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Passport 300 Pro Service Diagrams 100%

AMP ASSY Service Diagram (Exploded View) ............SPEAKER ASSY Service Diagram (Exploded View) ............PACKING ASSY SIP5 1 2 3 4 5 CS1 C705 22U/16V 104 C701 22U/16V C704 GS1 22U/16V R707 C700 + 5K1,1% 5 6 221 GND C707 221 7 U700-B + NE5532 5K1,1% R708 C706 GND C703 221 1 U700-A 3 + NE5532 2 +5V U700-C - R726 R706 5K1,1% R701 5K1,1% R709 5K1,1% R700 5K1,1% 5K1,1% 5K1,1% C708 -5V 4 8 NE5532 GND 22U/16V C744 22U/16V C743 10K GND R707A 3K3 R709A GND 10K R706A 3K3 R708A -5V D719 1N4148 4R7 R777 3 2 GND + U705 3U3/25VC747 R778 4R7 4 7 5.6V C748A 104 GND D702 1N4148 0R R725A -5V D703 1N4148 3 2 4R7 R780 GND 3U3/25V C749 CH2 IN + - 4 U706 7 104 C750 3U3/25V 5.6V Z714 C750A TLC081 6 GND 104 Z713 5.6V C749A +5V GND 1K R734 GND R735 GND 220R(%1) 1K +5V 1K R737 470R R717A 1K R736 +5V R733 470R R716A 151/500V C756 100R(1%) C754 102/250V R731 C755 151/500V 270R(%1) R713A C753 102/250V 47K R785 GND 1K R730 C752 102/250V 100R(1%) R712A C751 102/250V GND Z712 C748 3U3/25V TLC081 6 104 5.6V C747A Z711 +5V 47K R783 PWM generator for CH2 GND D718 1N4148 0R R724A CH1 IN 1K PWM2 CH2O PWM1 CH1O 1 22uH L701 22uH 2 10R/5W R723A 10R/5W R722A C760 474/400V CH2_O C759 474/400V -B D714 ER1D C759A 472 CH1 OUT C762 104/400V +B -B D716 ER1D D717 ER1D CH2 OUT C760A 472 6 5 4 3 2 1 6 5 4 3 2 1 jack-1 CH701 jack-2 CH700 CH2CLG LC Filter and audio output for CH2 C761 104/400V D713 ER1D R794 R732 CH1_O 2K/1W L700 +B 2 1 1 TP701 TP702 PWM generator for CH1 CL700 R795 2K/1W 22U/16V 2 1 2 CL701 R705 4R7 CH1CL 1 C702 221 C709 104 R700B R701B 1 2 1 104 4R7 TBD LC Filter and audio output for CH1 TBD LIN RIN 4 3 3 4 1 R779 4R7 CH1CLG CH2CL JA702 PASSPORT AMP Schematic Diagram – 1/3 PASSPORT AMP Schematic Diagram – 2/3 SD EP+IP2 EP+IP1 SD VDD1 1N4148 1N4148 CSD2 CSD1 D701 1N4148 5V1 Z709 5V1 Z710 GND PWM2 1N4148 D741 CSD2 VDD2 1K R723B 1K R723 +15VPOP GND PWM1 D700 100R 2K4 R743 C728 47pF 100R(1%) R745 R754A C730 C726 open 2U2/25V + U703 R767 15K 8K2 IRS20957 VDDCSH CSD VB IN HO VSS VS NC NC VREF VCC OCSET LO DT COM R749 6K8 R748 1 C733 2 3 4 5 6 7 8 For 500 PRO 10uF/16V 12K 16 15 14 13 12 11 10 9 R775 4R7 VCC 1N4148 D739 8K2 R702 8K2 R702B 1 1 B B E C 2 3 E C 2 3 C727 open 2U2/25V C770 3K9 Q718 MMBT5401 Q717 MMBT5401 2K4 R744 C729 47pF 100R(1%) R746 100R R766 For 300 PRO + 15K 8K2 IRS20957 VDDCSH CSD VB IN HO VSS VS NC NC VREF VCC OCSET LO DT COM U704 R768 1 2 3 4 5 6 7 8 10uF/16V R752 6K8 R751 C734 12K For 500 PRO 16 15 14 13 12 11 10 9 R776 4R7 VCC 22R R773 R753 6K8 22R D711 ER1D ER1D D712 22R R774 R772 R702A 3K3 R703A 3K3 22R R771 6K8 R759 10K C736 22uF/25V R782 39K C732 2U2/25V R770 10R R755 10K C735 R750 22uF/25V R781 39K C731 2U2/25V R769 10R Driver and MOSFET Amplifier for CH2 1N4148 D708 D709 R758A CSD1 R710 3K9 R754 R758 D738 For 300 PRO D710 D715 +15VPOP Driver and MOSFET Amplifier for CH1 1 1 1 1 3 2 3 2 3 2 3 2 5R1 IRFB4020 Q703 IRFB4020 C738 Q702 IRFB4020 Q701 IRFB4020 C737 Q700 R704A 102/250V 102/250V C740 102/250V 102/250V C742 C741 104/250V +B -B C739 104/250V +B -B CH2O CH1O 1 1 2 3 4 E702 GHS2 GHS1 E701 CON4 JB702 1 C7HS2 C7HS1 104 104 C720 2200UF/50V C717 + C721 104/250V 2200UF/50V C716 + 104/250V GS2 + C719 104/250V + C718 104/250V bracket M700 1 1 2 2200UF/50V C7G1 104 bracket M702 2 bracket M701 1 100K C723 R712 R711 100K TP703 C722 1 2200UF/50V 1 D740 10K 10K SSW14 SSW14 1M 1M R700C R700D VDD1 VDD2 R724 R724B ER1D ER1D 3 4 TP704 3 4 5R1 R705A 5R1 R704B 5R1 R705B 2 1 2 bracket M703 2 -B +B C7G2 104 GS1 PASSPORT AMP Schematic Diagram – 3/3 B 1 1 B 10K R757 0R 1N4148 D725 C766 473 Q712 MMBT5401 R718 C3 E 2 1N4148 D724 2 E Q716 MMBT3904 3 C SD C765 473 10k NTC EP+IP2 EP+IP1 RP701 R717 6K8 1M OTP +5V 3V3 Z701 2K R719A 1 MUTE_C R719B B E 2 C3 +B Q721 3904 1K R719C D744 1 1 2K2 R718A B E 2 C3 2 8K2 R721A 47K GND C778 10U/16V 1 R718B 2 1 B E 2 C3 GND 3904 Q720 B E 2 C3 Q722 3904 1 334 C777 PROTECT LED CONTROL R718C MUTE_C R719 2K7 PROTECT1 R729A 6K8 5K1 SD 1 GND 4K7 B SD 0R E 2 C3 GND B 1 Q719 3904 2 E 3 C R788 MMBT5551 Q706 R721C GND 3904 Q705 Z706 47V PROTECT OVP R789 47K 10K R764 10K R765 DCP B 1 UVP 2 E 47K 47K 3 C R791 R790 MMBT5551 Q707 R792 47K +B 2 1 +5V 2 R721B 1 100k 1N4148 D743 22V Z705 C775 104/50V JB703 SIP7 7 6 5 4 3 2 1 1 2 10U/25V + C768 MMBT5401 C769 47K R798 10U/25V 10U/25V C767 GND -5V + MUTE_C +15VPOP DCP Q715 1 B E 2 C3 VCC -B +5V B 1 PROTECT 3 C 2 E +B 1N4148 MMBT5551 Q710 33K SIP1 MARK4 SIP1 MARK1 1 1 MMBT5551 Q714 100K R763 2 E 3 C 1 C774 100U/16V B DCP R703 D723 Over temperature protection 1N4148 D742 + 3 18K R721 TP705 CH1_O R700A 100K 100K R701A CH2_O 1 DC_PS AMP PCB top side AMP PCB bottom side PASSPORT AMP PCB 4

https://www.pdf-archive.com/2015/12/07/passport-300-pro-service-diagrams/

07/12/2015 www.pdf-archive.com

manual masterdive x 99%

2N7000 0.22uF 1.0uF 0.1uf LED 1M + 1N4007 1N34A 51K 1N4148 1N4148 22K 1N34A !

https://www.pdf-archive.com/2012/08/19/manual-masterdive-x/

19/08/2012 www.pdf-archive.com

RH200 - Schematics.PDF 94%

1 2 3 Q21 D7 1N4148 R3 18K C15 22uF/25V D8 1N4004 C19 330U/35V R11 1K6 C18 100U/25V R46 MF4K7/1W PAGND 1K8 R24 R19 220R/2W R20 220R/2W LIFT SW4 Q9 2SA1837 2N5401 Q11 R23 1K C8 100pF/100V C22 104 Q10 2N5551 R12 MF 330R/0.5W ZD3 1N4744A Q7 2N5551 D2 1N4004 R47 * 2N5551 Q6 R22 1K R21 1k8 R13 4R7 R39 10K ¼Æ ¶Ô ºË ºÅ Éè У Éó ͼ 1K2 R31 R32 27K D5 IN4148 270R R35 2K7 R34 Ç© ×Ö ÈÕ ÆÚ Q19 2SA970GR R38 100K C14 1uF/100V R36 33K R201 220R/2W !

https://www.pdf-archive.com/2011/03/25/rh200-schematics/

25/03/2011 www.pdf-archive.com

HARLEQUIN 128K timing 87%

2 D2 D3 D4 B0 B2 G Spkr J8 M-DIN_8-R 270 150 Mic 2 D5 R38 R21 R43 68 68 68 68 Q2 BC548 Q1 BC548 KB4 Ear J2 74HC174 1 2 3 4 5 1N4742A 1 R48 R20 VCC 1 19 OE1 OE2 KB0 KB1 VD0 1 VD2 2 U5B 4 AL 74HC32 KB3 KB4 U1 R6 D6 10k D7 14 15 12 8 7 9 10 13 RST 26 D0 U5C D1 9 D2 8 VCC 10 D3 WR D4 2.2K VCC R29 R30 R31 18K 3.9K 2.2K U40 2 3 4 5 6 7 8 9 CA10 CA9 CA8 CA4 CA3 CA2 CA1 U31 CA0 1G 1C0 1C1 1C2 1Y 1C3 7 B A B 9 2Y 2C0 2C1 2C2 2C3 2G 1 U38 6 5 4 3 DD4 U33 19 18 17 16 15 14 13 12 DD0 DD1 DD2 DD3 DD4 10 11 12 13 DD5 DD5 DD2 DD6 B2 DD7 2 3 4 5 6 7 8 9 1D 2D 3D 4D 5D 6D 7D 8D 19 18 17 16 15 14 13 12 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q 11 1 CLK OC 15 2 3 4 5 6 7 8 9 1D 2D 3D 4D 5D 6D 7D 8D VD0 VD1 OutLatch 10 VD2 VD3 VD4 VCrst 11 VD5 VD6 VD7 11 1 CLK OC 74HC574 9 7 6 5 3 2 4 13 12 14 15 1 CA0 19 1 18 17 16 15 14 13 12 11 B1 B2 B3 B4 B5 B6 B7 B8 VA7 VA0 VA6 VA1 VA5 VA2 VA4 VA3 VA3 VA4 VA2 VA5 VA1 VA6 VA0 VA7 VA8 VA9 G DIR CA1 VA10 VA11 74HC245 U41 CA2 CA3 15 1 CA4 CA5 CA7 CA11 CA8 CA5 CA9 VC7 CA10 CA6 2 3 5 6 11 10 14 13 CA11 CA11 74HC4040 CA7 VA12 VA13 VA14 G A/B CA6 1A 1B 2A 2B 3A 3B 4A 4B 74HC574 12 11 10 9 8 7 6 5 27 26 23 25 4 28 3 31 VA15 1Y 2Y 4 VA8 VRD 7 VA9 VCS U34 2Y 2C0 2C1 2C2 2C3 2G 6 5 4 3 DD0 B0 U30A 2 14 1 13 3 2 10 11 12 13 U36 2 3 4 5 10 11 12 14 A B C D E F G QH H DD3 SER SH/LD CLK CLK_INH DD6 74HC86 19 18 17 16 15 14 13 12 1 15 7 6 CLR B A 1 74HC253 24 29 22 30 VCC 3Y 2 3 5 6 11 10 14 13 VD2 VD3 VC7 VD4 VD5 VD6 VD7 VD1 VD1 VD2 VD2 VD3 VD3 VD4 VD4 VD5 VD5 VD6 VD6 VD7 VD7 4 6 5 74HC08 DD7 74HC86 U30C 9 3Y VA6 VA5 VA4 VA3 VA2 VA1 VA0 R10 R11 VA9 10k 10k VA10 VA12 VCS VCS VA13 VRD VRD U5D 13 D0 C1 D1 VCC D2 A1 A2 A3 A4 A5 A6 A7 A8 19 1 WR D3 D5 R3 R4 10kNMI 10kWAIT D6 R5 10kBUSRQ D4 D7 12 INT A4 A2 11 18 17 16 15 14 13 12 11 B1 B2 B3 B4 B5 B6 B7 B8 R32 A12 470 9 RD 8 C0 C2 C3 C4 C5 C6 VCC 5 10 12 VC0 VC1 11 74HC08 13 VC2 VC3 VC4 13 D VC5 D11 1N4148 D12 1N4148 D13 1N4148 D14 VC5 VC6 3 VC7 11 2 VC8 12 U26B 74HC08 5 1N4148 VC4 1 CON3 Q D 74HC32 9 7 6 5 3 2 4 13 12 14 15 1 15 14 13 12 11 10 9 7 11 6 6 4 D A8 M1 A10 RFSH -12V RD WR WAIT +12V IORQ -5V D3 D4 HALT MREQ D5 NMI D6 INT D2 D0 D1 D7 A6 D7 A7 A8 A12 A13 RA14 RA15 Q CLK 3 HQ1 2 HQ2 74HC00 HQ3 74HC00 HQ5 U23B 4 Y0 A Y1 B Y2 C Y3 Y4 Y5 G1 Y6G2B Y7G2A HC1 HCa HC2 HC0 HC3 HC1 HC2 VCC 6 5 4 6 74HC4040 5 A11 A9 A4 A5 BUSAK ROMCS A6 A7 RST BUSRQ GND A3 A2 A1 A0 VD6 VD7 A 24 29 22 30 RAM A15 RD 13 14 15 17 18 19 20 21 I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 D0 A6 D1 A7 D2 A8 D3 A9 D4 A10 D5 A11 D6 A12 D7 A13 RA14 RA15 GND 24 29 22 30 RD WR RAM A15 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 D0 D1 D2 D3 D4 D5 D6 D7 R13 UM61512 Q6 2SA1175 A11 RESET ROMCS Q7 2SA1175 Q8 2SA1175 Q9 2SA1175 A10 Q10 2SA1175 A13 Q12 2SA1175 A8 VRAM D3 D4 D5 D6 D7 4.7K*8 Q11 2SA1175 A12 13 D2 VCC J12 R7 470 D1 HM628128 OE WE CS1 CS2 J1 1 2 3 4 5 6 7 8 RFSH 1 2 D0 OE WE CS1 CS2 WR RST 13 14 15 17 18 19 20 21 B Q13 2SA1175 RCPT 8 A14 12 A15 VCC U22B U11A U9A D Q CLK 2 VSyncEn 3 HCrst U13C 4 1 C6 6 3 5 6 D 5 2 C7 2 3 74HC04 A5 5 RD VCC U39 1N4148 16 VCC OE1 OE2 74HC74 CLK7 U13E 11 VCC U12D 10 U11B 12 nA14 A15 12 nBK0 13 4 MCON D0 D1 D2 D3 D4 D5 U12B 5 13 R58 10K 1N4148 D7 6 CLKQ 74HC32 74HC08 D6 U10A Q 6 6 5 4 74HC32 74HC08 3 5 7 9 11 13 74HC32 Y1 Y2 Y3 Y4 Y5 Y6 A1 A2 A3 A4 A5 A6 GND 1 15 IORQGE J13 2 4 6 10 12 14 S0 S1 S2 S3 S4 VCC S2 S1 S0 S4 S3 14 13 12 11 15 QA A QB B QC C QD D RCO CLK ENT ENP LOAD CLR VCC 8 74HC366 74HC08 3 4 5 6 Header 8 8 HC8 HC5 HC6 14 13 12 11 15 QA A QB B QC C QD D RCO CLK ENT ENP LOAD CLR 1 U21B 4 9 6 5 74HC08 U12C HC0 HC7 HC8 U20A 1 HC1 3 14 13 12 11 15 QA A QB B QC C QD D RCO CLK ENT ENP LOAD CLR 2 4 74HC00 5 VCC 6 5 4 9 1 8 2 R59 1 2 3 4 5 6 S0 S1 S2 S3 S4 3 74HC32 74HC74 8 C 10k VCC CLK U13D 74HC32 3 4 5 6 9 74HC04 HCa 74HC00 11 HCa 12 3 4 5 6 1 2 11 9 Q CLKB 13 A12 IORQGE 74HC08 A1 6 5 4 13 A B C Y0 Y1 Y2 Y3 Y4 G1 Y5 G2BY6 G2AY7 15 14 13 12 11 10 9 7 11 BDIR 8 BC1 12 74HC00 U51C 10 74HC138 HC6 9 D0 U13B U13A 4 CLK14 3 D1 U13F C2 2 1 12 D2 13 D3 D4 100pF 74HC04 74HC04 RST R16 470 2.2M 470 Y1 R60 3 4 6 11 13 14 1 9 1D 2D 3D 4D 5D 6D 1Q 2Q 3Q 4Q 5Q 6Q 2 5 7 10 12 15 BK0 BK1 BK2 VB ROM0 D3 CLR CLK 1N4148 74HC174 1K 9 C50 8 3 D5 74HC04 R15 74HC00 U50 CLKB 4k7 2 10 7 9 1 U24A HC8 12 R17 U20C HC7 WR VCC 74HC161 74HC138 A15 U29D 8 CLKQ D 1 2 3 A14 HC3 74HC74 HC6 74HC00 U51D U4 U45B 2 10 7 9 1 VCC 6 Q CLKQ 9 U16 74HC32 HC7 D 10 74HC161 74HC32 U20B 12 11 10 HC6 9 HC0 VCC U12A 10 MREQ GND U10B 8 HC4 74HC32 11 HC5 U11C IORQULA 2 10 7 9 1 1 2 3 4 5 6 7 8 U15 HC3 3 VCC U21C 1 2 3 VD5 74HC32 Q HC2 U18 15 14 13 12 11 10 9 7 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 27C256 MREQ VCC 74HC32 1 74HC08 D6 A11 U14 2 13 U23A VD4 OE WE CS1 CS2 11 1 HC8 11 A5 A10 74HC161 4 PRE 10 PRE Q 74HC32 8 10 A4 D5 VPP M1 74HC74 3 HC4 9 HBlank D4 U11D 1 2 3 Y0 A Y1 B Y2 C Y3 Y4 Y5 G1 Y6G2B Y7G2A 12 8 2 10 27pF C51 14MHz 27pF 28.375MHz 74HC00 VCrst 74HC08 U51B U51A 4 VCC VCC nA14 5 U53B 1 3 nBK0 BK0 2 3 BK1 2 6 U46 OKI-78SR-5 J4 3 2 1 1-2 = NTSC 2-3 = PAL 1 +9V C3x C3 10uF 10uF DC JACK Vin Vout GND A15 3 C6 C29 C6x C5 C9 C10 C11 C12 C13 C14 C15 C16 C17 C19 C20 C21 C39 Y2 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 74HC00 74HC00 U29C U24D 9 22uF 22uF 220uF 3.58MHz = NTSC BK0 13 A14 12 8 10 11 9 GND MREQ VB 13 AL 12 U52C 6 9 5 8 VA15 10 nA15 74HC32 74HC32 11VA14 13 11 74HC32 Title 74HC08 74HC32 D U52B 4 74HC08 U52D 12 74HC08 U53D 8 RAM 10 74HC08 2 AL 8 10 74HC08 U22C 4.43MHz = PAL 1 BK2 3 9 5 74HC32 nAL A14 U53C 4 RA15 U53A RA14 U52A 1 6 nA15 A15 J9,J10,J11 5 U21A 2 U21D 3 U23C 10 A3 OE CE 1 IORQ D3 A9 HC6 74HC74 1 2 4 QA QB QC QD QE CLK QF QG QHCLR QI QJ QK QL 6 VCC U28A 3 2 VC2 74HC08 U26A U28D VC0 Q CLK 74HC74 U25 U26D 74HC00 VBorder CLR 6 HSync 11 13 U45A 74HC32 D 5 74HC74 1 10 9 VC1 Q CLK 12 VCC U19A 12 Q CLK 9 U26C D10 D 74HC00 U17 CLR U28C Q VD3 VCC 8 9 Vout 5 3 2 1 BUSAK 13 74HC08 U24C VCC 74HC86 2 22 20 HALT MCON 74HC74 C1 74HC00 1N4148 Q 8 G DIR 5 12 8 1 A15 A2 Den U9B A13 VRAM 4 74HC00 13 8 ROM0 D2 A5 VCC A11 6 AL1 12 11 3 A13 VCC U20D 11 VSyncEn J11 A13 12 CON3 U27A A12 A1 12 11 10 9 8 7 6 5 27 26 23 25 4 28 3 31 A9 A10 11 13 VD2 A8 U24B U27D VD1 A9 OutLatch nAL 11 CLR J10 6 A12 10k 10 U30D 4 10pF A11 74HC00 PRE 2 A11 A14 23 18 20 27 19 21 22 28 R51 VCC 6 10k A10 D1 11 U19B 4 1 2 3 A9 A10 74HC04 10 5 A8 A9 A0 AL 74HC00 U28B 74HC32 U27B A7 A8 3 74HC138 1 A6 A7 74HC32 MREQ 74HC08 U29A A6 O0 O1 O2 O3 O4 O5 O6 O7 D0 2 8 3 A4 A5 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 11 12 13 15 16 17 18 19 U22D 10 Blank A4 A5 1 A15 A0 C7 10k 1N4148 A3 A1 9 R61 1N4148 D2 A3 12 QA QB QC QD QE CLK QF QG QHCLR QI QJ QK QL AL2 VCC D1 A2 U22A A14 A3 A2 A14 U27C 74HC08 NMI WAIT BUSRQ BUSAK INT HALT IORQ M1 CLK MREQ RD WR REFSH Z80-CPU A6 A5 9 C4 6 A7 74HC245 10 ComSync 17 24 25 16 A1 10 9 8 7 6 5 4 3 25 24 21 23 2 26 27 74HC32 9 R22 10uF A1 11 11 74HC257 74HC4040 74HC86 RST G DIR 2 3 4 5 6 7 8 9 VA11 U23D 18 17 16 15 14 13 12 11 B1 B2 B3 B4 B5 B6 B7 B8 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A0 74HC245 U44 VRD VWR A1 A2 A3 A4 A5 A6 A7 A8 19 1 VCC 12VCS 4Y 16 15 14 13 12 11 10 9 B0 B1 B2 B3 B4 B5 B6 B7 U43 2 3 4 5 6 7 8 9 VA7 VA8 2Y A0 A1 A2 A3 A4 A5 A6 A7 CLK 7 VA13 8 C 1 2 3 4 5 6 7 8 RES x 8 4 VA12 1Y U37 9 7 6 5 3 2 4 13 12 14 15 1 U29B VCC 4 1A 1B 2A 2B 3A 3B 4A 4B VD0 UM61512 VCC G A/B VD1 VD0 OE WE CS1 CS2 12VA10 4Y 13 14 15 17 18 19 20 21 I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 D0 D1 D2 D3 D4 D5 D6 D7 A0 13 6 5 15 1 VD0 11 1 CLK OC VCC U30B 2 3 4 5 6 7 8 9 1D 2D 3D 4D 5D 6D 7D 8D 74HC574 74HC166 15 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q CLK7 9 1G 1C0 1C1 1C2 1Y 1C3 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 9 VA11 74HC257 U42 U32 9 U35 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q VCC QA QB QC QD CLK QE QF QG CLRQH QI QJ QK QL DD1 B1 2 14 74HC253 7 A1 A2 A3 A4 A5 A6 A7 A8 U47 U8 U3 U2 30 31 32 33 34 35 36 37 38 39 40 1 2 3 4 5 1 R28 3.9K 10 R27 18K A13 A3 PRE R26 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 A2 A4 Q4 BC548 VCC A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A1 IORQ CLR 2.2K B1 B2 B3 B4 IORQULA RD VD0 U3x 12 11 10 9 8 7 6 5 27 26 23 25 4 28 3 31 2 A0 6 5 13 14 15 17 18 19 20 21 HM628128 470 13 R25 3.9K A1 A2 A3 A4 IORQGE R9 VD7 74HC32 R24 VCC 74HC541 KB2 24 29 22 30 VRD VWR VCC 74HC32 VD6 VCC 18K GND VD5 RCPT 5 R23 VA15 VCS D5 VCC VA14 AY-8912 VD4 VA12 A0 3 VD3 270 Q3 BC548 D7 U5A VD1 VA11 D0 D1 D2 D3 D4 D5 D6 D7 D7 68 D1 18 17 16 15 14 13 12 11 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 D6 68 D3 1 9 CLR CLK KB3 A0 A1 A2 A3 A4 A5 A6 A7 D5 B1 D5 KB2 2 3 4 5 6 7 8 9 D3 R19 D4 KB0 KB1 D4 R34 D0 D2 VA10 10k*8 D2 6 4 3 1 R18 270 3 4 6 11 13 14 1D 2D 3D 4D 5D 6D VA8 VA13 R1 D1 Audio R8 1Q 2Q 3Q 4Q 5Q 6Q VA7 Audio2 D0 7 8 5 2 CSync R12 2 5 7 10 12 15 D6 VA6 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 1 2 3 4 5 6 7 8 9 +9V U6 VA5 Audio1 4 VCC 2.7K R 10k*8 D5 PRE R2 U7 A VCC 1 2 KB0 3 KB1 4 KB2 5 KB3 6 KB4 7 8 9 VA4 1 2 3 4 5 6 7 8 9 CON3 IORQGE D1 R49 VA3 VA9 CLKB 1 2 3 4.433MHz B 28 27 26 25 24 23 22 21 D0 AUDIO R56 R57 1K 1K GND EAR/MIC 3.3nF 14 13 12 11 10 9 8 7 GND C36 BDIR +9V 10k 1nF VA2 ZX_EDGE J3 A12 1nF C38 2.2uF J5 A14 12K A15 2 12K R36 C-AY 5 4 3 2 1 VCC 3.3nF R46 C18 B-AY 1K 2K 2K 1K CLR Y2 R45 12K 20 19 18 17 BC1 R52 R53 R54 R55 A-AY VA1 1 4.7M 0.1uF 3 + 0.1uF J9 VCC 7 33K J6 5 4 1 10 75 VIDEO 75 C35 5 4 3 2 1 C37 2.2uF /RESET CLK ChA ChB BC1 ChC BC2 BDIR A8 IO0 IO1 D0 IO2 D1 IO3 D2 IO4 D3 IO5 D4 IO6 D5 IO7 D6 D7 PRE 75 DGND AGND 220uF 2 - HC1 C32 1 13 2 6 16 15 RST R35 CLR 10pF 75 STDN SELECT FIN AD724JR R42 1N4740A C8 12 11 10 9 8 7 6 5 27 26 23 25 4 28 3 31 2 VA0 13 1 12 3 C25 C28 6 13 R50 R33 J7 11 9 U49 TL712 0.1uF C7 CLR R39 100K Audio2 Audio PRE R40 LUMA CRMA 10uF 0.1uF U54 VCC 10 R41 C30 VSYNC HSYNC 0.1uF C34 0.1uF 10 5 U8x D4 4 15 16 CMPS C27 4 VCC R44 Audio1 C26 1 BIN GIN RIN 0.1uF 4 14 PRE R APOS DPOS 4 8 8 7 6 0.1uF C24 C33 C31 0.1uF ENCD 2 C23 G 3 VCC U48 5 5 VCC 0.1uF CLR 1 C22 B ZX Spectrum Superfo Harlequin 74HC08 Size Document Number Rev A H Date:

https://www.pdf-archive.com/2016/04/24/harlequin-128k-timing/

24/04/2016 www.pdf-archive.com

TDA Bridge-public-doc 82%

TDA7294 9 15 680 8 20K 22K 22µF 10K 30K 0.56µF -Vs 0.22µF 2200µF 1N4148 10 22µF 9 15 8 TDA7294 3 Images (on Google Piacasa) about this project:

https://www.pdf-archive.com/2011/10/13/tda-bridge-public-doc/

13/10/2011 www.pdf-archive.com

Clamped Mixer 1 0 78%

IC2A 100K R3 100K IC1B 5 LM833 GND C4 10K -12V LM833 7 2 5 LM833 106 106 IC2B 6 IC1P GND GND 6 LM833 IC2P R7 4K7 7 R9 5 1N5231 6 LM833 D3 1 3 2 GND +12V IC3P 8 8 1 IC1A 1 3 4 3 1 LM833 2 R2 1N4148 D1 2 LM833 GND J2 C3 4 100K 8 R6 100K 4 R5 100K LM833 7 IC3B D2 1N4148 3 2 R8 100K R4 100K R1 1 3 2 GND GND +12V J1 3 1 3 2 J3 LM833 1 IC3A GND TITLE:

https://www.pdf-archive.com/2017/02/04/clamped-mixer-1-0/

04/02/2017 www.pdf-archive.com

rectifier 1 0 78%

+12V R2 IC2A R3 R4 10K 20K R5 6 LM833 GND 8 D2 1N4148 IC2B 7 106 IC2P LM833 C4 106 LM833 -12V 7 5 3 IC1B GND 2 LM833 1 3 GND 2 1 1 3 2 J3 IC1A 100K R8 100K 1 3 2 5 LM833 20K GND J1 6 IC1P 4 10K 4 R1 1 105 3 LM833 R9 2 C1 1 3 2 GND J2 D1 1N4148 8 C3 10K GND TITLE:

https://www.pdf-archive.com/2017/02/08/rectifier-1-0/

08/02/2017 www.pdf-archive.com

TDA Modular amp 75%

6 Notes 16:20:00 3 input connector C3 4 Number 4 12/12/2011 22u 10u 220n 1N4148 1000u 60V 10u 22u Mute TDA 7293/7294 Stage 1 (main module) Date:

https://www.pdf-archive.com/2012/01/22/tda-modular-amp/

22/01/2012 www.pdf-archive.com

EQ-public-doc 73%

26 R4 4.7k R3 4.7k R6 R7 4.7k 2k C5 100n GND U1B 6 B C3 C(c) Input TL074J 4.7k 4.7k R9 U1C TL074J 9 R10 8 C 10 C4 U1D 13 D 12 14 TL074J GND D1 Diode 1N4148 http://custompcb.blogspot.com/ http://diyguitarpa.blogspot.com/ Multiband Section:

https://www.pdf-archive.com/2011/10/12/eq-public-doc/

12/10/2011 www.pdf-archive.com

HARLEQUIN 128 issue 1 73%

2 D2 D3 D4 R B2 G Spkr J8 M-DIN_8-R 270 150 Mic 2 68 D5 R38 R21 R43 68 68 68 68 Q2 BC548 Q1 BC548 KB4 Ear J2 74HC174 1 2 3 4 5 1N4742A 1 R48 R20 VCC OE1 OE2 KB0 KB1 18 17 16 15 14 13 12 11 VD0 1 19 AL VD1 1 VD2 2 74HC32 KB3 KB4 U1 R6 D6 10k D7 14 15 12 8 7 9 10 13 RST 26 D0 U5C D1 9 D2 8 VCC 10 D3 WR D4 2.2K VCC R29 R30 R31 18K 3.9K 2.2K U40 2 3 4 5 6 7 8 9 CA10 CA9 CA8 CA4 CA3 CA2 CA1 U31 CA0 1G 1C0 1C1 1C2 1Y1C3 7 B A B 9 2Y2C0 2C1 2C2 2C3 2G 1 U38 6 5 4 3 DD4 U33 B1 19 18 17 16 15 14 13 12 DD0 DD1 DD2 DD3 DD4 10 11 12 13 DD5 DD5 DD2 DD6 B2 DD7 2 3 4 5 6 7 8 9 1D 2D 3D 4D 5D 6D 7D 8D 19 18 17 16 15 14 13 12 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q 11 1 CLK OC 15 2 3 4 5 6 7 8 9 1D 2D 3D 4D 5D 6D 7D 8D VD0 VD1 OutLatch 10 VD2 VD3 VD4 VCrst 11 VD5 VD6 VD7 11 1 CLK OC 74HC574 9 7 6 5 3 2 4 13 12 14 15 1 CA0 19 1 18 17 16 15 14 13 12 11 B1 B2 B3 B4 B5 B6 B7 B8 VA7 VA0 VA6 VA1 VA5 VA2 VA4 VA3 VA3 VA4 VA2 VA5 VA1 VA6 VA0 VA7 VA8 VA9 G DIR CA1 VA10 VA11 74HC245 U41 CA2 CA3 15 1 CA4 CA5 CA7 CA11 CA8 CA5 CA9 VC7 CA10 CA6 2 3 5 6 11 10 14 13 CA11 CA11 74HC4040 CA7 VA12 VA13 VA14 G A/B CA6 1A 1B 2A 2B 3A 3B 4A 4B 74HC574 12 11 10 9 8 7 6 5 27 26 23 25 4 28 3 31 VA15 1Y 2Y 4 VA8 VRD 7 VA9 VCS U34 2Y2C0 2C1 2C2 2C3 2G 6 5 4 3 DD0 B0 U30A 2 14 1 13 3 2 10 11 12 13 2 3 4 5 10 11 12 14 A B C D E F G QH H DD3 74HC86 19 18 17 16 15 14 13 12 1 15 7 6 SER SH/LD CLK CLK_INH DD6 CLR B A 1 74HC253 24 29 22 30 VCC 3Y 2 3 5 6 11 10 14 13 VD2 VD3 VC7 VD4 VD5 VD6 VD7 VD1 VD1 VD2 VD2 VD3 VD3 VD4 VD4 VD5 VD5 VD6 VD6 VD7 VD7 9 7 6 5 3 2 4 13 12 14 15 1 4 6 5 6 74HC08 DD7 74HC86 9 3Y VA5 VA4 VA3 VA2 VA1 VA0 D3 D4 R3 D5 R4 D6 R5 U30C R11 VA9 10k 10k VA10 VA12 VCS VCS VA13 VRD VRD U5D 18 17 16 15 14 13 12 11 B1 B2 B3 B4 B5 B6 B7 B8 13 A1 A2 A3 A4 A5 A6 A7 A8 19 1 INT A7 WR 12 Z80-CPU A5 A4 A2 1N4148 11 A0 18 17 16 15 14 13 12 11 B1 B2 B3 B4 B5 B6 B7 B8 R32 A12 470 9 RD Q D QCLK 11 12 5 11 6 5 C0 C1 C2 C3 C4 8 C5 C6 VCC 5 U26C 10 12 11 74HC08 13 VC2 VC3 74HC00 74HC08 U26A U28D VC4 VC5 1 VC6 3 VC7 11 2 VC8 12 74HC08 5 74HC32 9 7 6 5 3 2 4 13 12 14 15 1 QA QB QC QD QE CLK QF QG QHCLR QI QJ QK QL 6 2-3 = PAL 4 Y2 1 15 14 13 12 11 10 9 7 4 D QCLK A8 M1 A10 RFSH -12V +12V RD WR WAIT IORQ -5V MREQ D3 D4 HALT D5 NMI D6 INT D2 D1 D0 D7 A7 A11 A12 A13 RA14 RA15 HCa HC2 HC0 HC3 HC1 HC2 2 A15 RD 14 13 12 11 15 2 HQ2 74HC00 HQ3 74HC00 HQ5 U23B 4 Y0 A Y1 B Y2 C Y3 Y4 Y5 G1 Y6G2B Y7G2A HC4 2 HC8 HC5 3 HC6 74HC32 6 74HC4040 5 14 13 12 11 15 A11 A9 A5 A4 A6 BUSAK ROMCS A7 RST A3 A2 BUSRQ D1 A7 D2 A8 D3 A9 D4 A10 D5 A11 D6 A12 D7 A13 RA14 RA15 GND 24 29 22 30 RD WR RAM A15 VD7 R7 470 RESET ROMCS R13 Q6 2SA1175 Q7 2SA1175 Q8 2SA1175 Q9 2SA1175 A10 U22D Q10 2SA1175 A13 Q12 2SA1175 A8 VRAM D0 D1 D2 D3 D4 D5 D6 D7 OE WE CS1 CS2 4.7K*8 Q11 2SA1175 A12 13 13 14 15 17 18 19 20 21 VCC A11 1 2 D0 D1 D2 D3 D4 D5 D6 D7 HM628128 OE WE CS1 CS2 UM61512 RST J1 1 2 3 4 5 6 7 8 Q13 2SA1175 B RCPT 8 A14 12 A15 VCC U22B U11A D 2 VSyncEn 3 HCrst U13C 4 1 C6 QA A QB B QC C QD D RCO CLK ENT ENP LOAD CLR U21B 4 5 11 6 3 5 6 2 D 5 2 C7 3 74HC08 74HC04 D6 U10A A5 5 Q RD VCC U39 1N4148 16 VCC OE1 OE2 74HC74 CLK7 U13E 11 VCC U12D 10 U11B 12 nA14 A15 12 nBK0 13 D0 D1 D2 D3 D4 D5 U12B 4 MCON 5 13 R58 10K 1N4148 D7 6 CLKQ 74HC32 6 6 5 4 74HC32 74HC08 3 5 7 9 11 13 74HC32 Y1 Y2 Y3 Y4 Y5 Y6 1 15 IORQGE VCC 2 S0 4 S1 6 S2 10 S3 12 S4 14 VCC A1 A2 A3 A4 A5 A6 S0 S1 S2 S3 S4 8 GND R59 1 2 3 4 5 6 10k 74HC366 74HC08 3 4 5 6 11 HC8 1 HC1 3 14 13 12 11 15 QA A QB B QC C QD D RCO CLK ENT ENP LOAD CLR 2 4 6 74HC00 5 HC7 VCC 6 5 4 9 Q J13 8 2 74HC32 74HC74 8 VCC 9 J14 S2 S1 S0 S4 S3 1 2 3 4 5 6 7 8 1 3 CLKQ U12C CLK VCC VCC 5 9 S0 4 8 S1 3 7 S2 2 S4 6 S3 1 Header 8 U13D C KEMPSTON 74HC32 3 4 5 6 9 74HC04 HCa 74HC00 2 10 7 9 1 HCa 11 12 Q 8 12 9 13 WR 11 CLKB A12 IORQGE 74HC08 A1 1 2 11 BDIR 12 74HC00 U51C 10 8 BC1 9 4k7 D0 U13B 2 10 7 9 1 4 CLK14 74HC00 U50 R17 U13A 3 2 D1 U13F C2 1 12 D2 13 D3 D4 100pF 74HC04 74HC04 D5 74HC04 RST R16 R15 470 U24A HC8 15 14 13 12 11 10 9 7 VCC 3 4 5 6 470 Y1 3 4 6 11 13 14 1 9 1D 2D 3D 4D 5D 6D 1Q 2Q 3Q 4Q 5Q 6Q 2 5 7 10 12 15 BK0 BK1 BK2 VB ROM0 D3 CLR CLK 1N4148 74HC174 U20C HC7 6 5 4 13 A Y0 B Y1 C Y2 Y3 Y4 G1 Y5 G2BY6 G2AY7 74HC138 74HC161 74HC138 A15 U29D CLKQ D 1 2 3 A14 74HC74 HC6 9 14MHz 8 3 74HC00 U51D U4 U45B U16 HC7 U20A HC6 D 10 HC0 VCC HC0 U20B 12 74HC08 2 10 7 9 1 U10B U12A 8 10 MREQ 74HC161 74HC32 HC5 U11C 9 IORQULA 10 74HC32 1 2 3 A6 RFSH U9A QA A QB B QC C QD D RCO CLK ENT ENP LOAD CLR 9 6 U18 15 14 13 12 11 10 9 7 D0 WR 8 3 13 HQ1 VD6 U15 HC3 74HC32 1 24 29 22 30 RAM U14 HC1 VCC 6 5 4 12 8 2 3 74HC08 A6 D7 13 14 15 17 18 19 20 21 I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 11 HC2 74HC32 8 11 D6 A10 74HC161 VCC U21C 3 U23A 10 A5 27C256 MREQ VCC 1 2 3 Y0 A Y1 B Y2 C Y3 Y4 Y5 G1 Y6G2B Y7G2A HC8 HBlank D5 A9 HC6 1 HC4 10 A4 VPP M1 74HC74 U21A U21D 1 2 U23C 9 D4 OE CE HALT IORQ A3 U11D 74HC74 VCC U28A 3 PRE PRE 10 6 Q 13 CLR D 4 U25 U26D U26B Q 74HC74 9 CON3 QCLK PRE 6 HSync 5 11 QCLK U45A 74HC32 12 D 74HC74 1 10 VSyncEn J9,J10,J11 Q 8 12 8 13 BUSAK D3 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 J12 QCLK VCC U19A CLR U28C 74HC86 VBorder 9 Vout VD5 VCC 74HC08 U24C VCC VD4 74HC32 Q 74HC00 U17 6 AL1 9 8 ROM0 22 20 13 4 74HC00 CON3 3 2 1 A13 VCC A15 MCON 74HC74 U24B 12 5 2 A13 A2 Den U9B A13 VRAM 11 13 1 A12 A1 D2 A8 74HC04 U27D 11 3 A12 D1 12 11 10 9 8 7 6 5 27 26 23 25 4 28 3 31 VCC A11 1 J10 4 J11 A11 12 74HC00 U27A A11 U20D nAL U30D 6 A10 A0 A5 A9 A10 74HC245 13 VD3 A9 OutLatch CLR 4 10pF A9 A10 74HC00 11 VD2 A8 8 VCC 74HC32 U27B A8 A9 10k 10 U19B 6 2 A7 A8 12 QA QB QC QD QE CLK QF QG QHCLR QI QJ QK QL 10 3 A6 A7 D0 11 74HC00 U28B 10k A6 3 74HC138 1 2 3 A5 A14 23 18 20 27 19 21 22 28 R51 9 5 A5 74HC32 8 1 A4 11 12 13 15 16 17 18 19 O0 O1 O2 O3 O4 O5 O6 O7 2 MREQ 74HC08 U29A A4 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 AL U27C Blank A3 1 A15 10 3.58MHz = NTSC 1N4148 D2 A3 A1 9 1-2 = NTSC D1 A2 U22A A14 A3 A1 A14 74HC4040 74HC08 NMI WAIT BUSRQ BUSAK INT HALT IORQ M1 CLK MREQ RD WR REFSH A1 A2 10 9 8 7 6 5 4 3 25 24 21 23 2 26 27 74HC32 AL2 ComSync 6 A6 C7 C4 10kBUSRQ D7 G DIR 11 74HC257 10 R22 17 24 25 16 G DIR 2 3 4 5 6 7 8 9 VA11 9 74HC86 10kNMI 10kWAIT A0 74HC245 U44 R10 U23D VCC D2 10uF A0 11 19 1 VCC VRD VWR A1 A2 A3 A4 A5 A6 A7 A8 RST C1 D1 30 31 32 33 34 35 36 37 38 39 40 1 2 3 4 5 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 D0 U43 2 3 4 5 6 7 8 9 VA7 VA6 12 VCS 4Y 16 15 14 13 12 11 10 9 B0 B1 B2 B3 B4 B5 B6 B7 CLK 7 VA13 2Y A0 A1 A2 A3 A4 A5 A6 A7 RES x 8 4 VA12 1Y 8 C 1 2 3 4 5 6 7 8 VA8 U37 U29B 4 1A 1B 2A 2B 3A 3B 4A 4B VD0 UM61512 VCC G A/B VD1 VD0 OE WE CS1 CS2 12VA10 4Y 13 14 15 17 18 19 20 21 I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 D0 D1 D2 D3 D4 D5 D6 D7 13 VCC 5 VD0 11 1 CLK OC VCC U30B 2 3 4 5 6 7 8 9 1D 2D 3D 4D 5D 6D 7D 8D 74HC574 74HC166 15 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q 15 1 CLK7 9 1G 1C0 1C1 1C2 1Y1C3 U36 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 9 VA11 74HC257 U42 U32 9 U35 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q VCC QA QB QC QD CLK QE QF QG CLRQH QI QJ QK QL DD1 2 14 74HC253 7 A1 A2 A3 A4 A5 A6 A7 A8 U47 U8 U3 U2 1 R28 3.9K 10 R27 18K PRE R26 A13 A4 Q4 BC548 VCC B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 A3 CLR 2.2K B1 B2 B3 B4 A2 IORQ 74HC541 KB2 VD1 U3x 6 RD VD0 OE WE CS1 CS2 12 11 10 9 8 7 6 5 27 26 23 25 4 28 3 31 2 A0 A1 5 13 14 15 17 18 19 20 21 HM628128 470 IORQULA 13 R25 3.9K VCC D0 D1 D2 D3 D4 D5 D6 D7 A 24 29 22 30 VRD VWR VCC R9 4 74HC32 R24 GND IORQGE U5B VCC 18K VA15 74HC32 VD7 RCPT 5 R23 VA12 VCS D5 VCC VA11 10k*8 VD5 VD6 VA10 VA14 R1 AY-8912 VD4 VA8 A0 3 VD3 270 Q3 BC548 D7 U5A VA7 D7 68 D1 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 D5 R19 D3 1 9 CLR CLK KB2 KB3 A0 A1 A2 A3 A4 A5 A6 A7 D6 R34 D4 D5 KB1 2 3 4 5 6 7 8 9 D4 270 D2 KB0 D3 B1 R18 10k*8 D0 D2 6 4 3 1 3 4 6 11 13 14 1D 2D 3D 4D 5D 6D VA6 VA13 D1 Audio R8 1Q 2Q 3Q 4Q 5Q 6Q VA5 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 Audio2 D0 7 8 5 2 CSync R12 2 5 7 10 12 15 VA4 1 2 3 4 5 6 7 8 9 B0 D6 4 +9V U6 VA3 Audio1 PRE VCC 2.7K D5 CLR R2 U7 A VCC 1 2 KB0 3 KB1 4 KB2 5 KB3 6 KB4 7 8 9 VA2 1 2 3 4 5 6 7 8 9 CON3 GND D1 R49 R56 R57 1K 1K IORQGE 1 2 3 4.433MHz B 28 27 26 25 24 23 22 21 D0 VA1 VA9 A1 3.3nF AUDIO A0 EAR/MIC 14 13 12 11 10 9 8 7 CLKB BDIR C38 2.2uF 12 11 10 9 8 7 6 5 27 26 23 25 4 28 3 31 2 VA0 ZX_EDGE J3 GND 12K 10k C-AY J5 A1 A2 A3 A4 1nF 20 19 18 17 BC1 5 4 3 2 1 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 12K R36 1nF C36 A15 2 R46 C18 B-AY 1K 2K 2K 1K GND 3.3nF R45 12K J6 R52 R53 R54 R55 A-AY +9V J9 VCC 3 + 0.1uF 75 C35 0.1uF C37 2.2uF 5 4 1 A12 220uF 7 33K 1 13 2 5 4 3 2 1 C32 VIDEO Audio /RESET CLK ChA ChB BC1 ChC BC2 BDIR A8 IO0 IO1 D0 IO2 D1 IO3 D2 IO4 D3 IO5 D4 IO6 D5 IO7 D6 D7 A14 R42 HC1 VCC C28 2 - 16 15 RST R35 1 Y2 STDN SELECT DGND FIN AGND AD724JR J7 11 9 6 C7 R33 U54 VCC 1N4740A C8 PRE 4.7M VSYNC LUMA HSYNC CRMA 0.1uF D4 U49 TL712 0.1uF CLR 75 C30 100K 0.1uF 10 75 C34 Audio2 13 10pF 75 Audio1 13 C25 10uF CLR 1 12 3 C27 0.1uF PRE R50 C26 10 10 R39 4 14 6 U8x 4 R40 CMPS 5 PRE 0.1uF 15 16 R41 APOS DPOS BIN GIN RIN 4 VCC R44 1 8 7 6 C24 R ENCD 0.1uF 0.1uF C33 0.1uF 4 8 C23 G C31 2 5 C22 B 3 VCC U48 5 VCC CLR 1 10 74HC00 VCrst 4.43MHz = PAL 74HC08 D U51B U51A 4 VCC VCC nA14 5 U53B 1 3 nBK0 BK0 2 3 BK1 2 6 U46 OKI-78SR-5 J4 3 2 1 1 +9V C3x C3 10uF 10uF A15 3 C6 C29 C6x C5 C9 C10 C11 C12 C13 C14 C15 C16 C17 C19 C20 C21 C39 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 74HC00 74HC00 U29C U24D 9 2 DC JACK Vin Vout GND 22uF 22uF 220uF BK0 13 A14 12 11 9 GND MREQ VB 13 AL 12 U52C 6 9 5 8 VA15 10 nA15 74HC32 74HC32 11VA14 13 11 74HC32 Title 74HC08 74HC32 D U52B 4 74HC08 U52D 12 74HC08 U53D 8 RAM 10 74HC08 2 AL 8 10 74HC08 U22C 8 10 1 BK2 3 9 5 74HC32 nAL A14 U53C 4 RA15 U53A RA14 U52A 1 6 nA15 A15 Superfo Harlequin 128K 74HC08 Size Document Number Rev A 1 Date:

https://www.pdf-archive.com/2016/07/09/harlequin-128-issue-1/

09/07/2016 www.pdf-archive.com

Preamps-public-doc 69%

gitarfogas@gmail.com V_OUT V_IN+ 2 C12 47uF 60V INA217 AIP RG_2 3 R13 2.2K R4 1K GND R7 1 P1 1.6kA 6.8K U1 5 12 11 10 9 8 7 R6 B D2 1N4148 D4 1N4148 V- D1 1N4148 7 D3 1N4148 4 GND 6 5 4 3 2 1 GND 7 C3 GND 4 -15V C5 47uF 60V C2 47nF +15V R1 47K 0 1 2 3 4 5 +48V V+ This project made for testing and building the best simple solutions for instrument and audio preamplifiers for home users.

https://www.pdf-archive.com/2011/10/19/preamps-public-doc/

19/10/2011 www.pdf-archive.com

Modular-Mixer-public-doc 68%

25 V_OUT V_IN+ 6 11 12 14 15 16 17 18 19 20 22 23 24 R4 1K GND C5 C15 Input Jack 6.3 1 2 3 4 5 6 B 7 8 9 10 11 12 GND GND R15 100K 10uF Output C Bal In 1 GND GND +48V P4 Header 6X2A R1 47K 6 5 4 3 2 1 R9 1 REF Header 6X2A 12 11 10 9 8 7 6.8K U1 4 8 R8 5 7 D2 1N4148 0 1 2 3 4 5 R6 B D4 1N4148 V+ D1 1N4148 4 -15V a1 D3 1N4148 C Printed Circuit Boards for instrument preamps project .

https://www.pdf-archive.com/2011/11/11/modular-mixer-public-doc/

11/11/2011 www.pdf-archive.com

Expandable-Modular-Mixer-public-doc 67%

43 5 6 -15V 1 2 3 4 5 6 A GND 7 8 9 10 11 12 A +15V GND Header 6X2A +15V a1 R9 1 8 P1 1.6kA 6.8K 3 2 C12 47uF 60V C13 47uF 60V R13 2.2K GND REF R4 1K GND R7 RG_1 RG_2 INA217 AIP V_OUT R10 1M GND C11 10uF J1 R11 100K 7 C 6 P2 47kB U3 OPA137 2 4 3 -15V a2 GND GND +15V a2 10uF 47uF 60V R12 470 C14 100nF GND 2 C10 3 6 V_IN- R14 2.2K U2 OPA137 470 6 V_IN+ R5 1K C5 C15 Input Jack 6.3 1 2 3 4 5 6 B 7 8 9 10 11 12 GND GND R15 100K 10uF Output C Bal In 1 GND GND +48V P4 Header 6X2A Header 6X2A 12 11 10 9 8 7 6.8K U1 R1 47K 6 5 4 3 2 1 8 R8 5 7 D2 1N4148 4 R6 B D4 1N4148 0 1 2 3 4 5 D1 1N4148 4 -15V a1 D3 1N4148 P3 Bal In 2 GND P6 D 1 2 3 4 5 6 GND 7 8 9 10 11 12 Title GND Header 6X2A Mic and instrument preamp with assimatrical/simmetrical inputs Size D Number Revision A3 http://custompcb.blogspot.com/ http://diyguitarpa.blogspot.com/ Date:

https://www.pdf-archive.com/2011/11/11/expandable-modular-mixer-public-doc/

11/11/2011 www.pdf-archive.com

Elektor02-2011DE Lichtwecker 63%

115 V) mit maximal 80 W wird wie bei einem handelsüblichen Triac-Licht- +5V +5V K3 R1 100n +5V S2 T2 +5V S4 S3 K8 BC547 R15 D2 4 IC2 1 1N4148 100n X2 100R D3 6 2 4 6 1N4148 2 MOC3023 115 TR1 C15 C13 10n 10n 230 JP1 C12 10n C16 C14 10n 10n 115 JP3 B40C1500 K6 1 3 5 IC1 LM2940CT-5.0 D1 1 1N4004 C11 C10 220u 100n 25V 1k R19 BC547 T1 C6 220u 25V 100n C1 22u 35V 100n C2 15p 10MHz C3 BC639 R20 P1 10k R21 15p R14 6k8 B1 K5 T4 R17 470R * B40C1500 D4 LCD1 C5 C8 1N4148 +5V R11 X1 C9 DCF R18 22R 2 3 4 5 6 11 12 13 +5V 100n R2 R16 XTAL1 XTAL2 GND 9 10 8 3 2 D5 PC0 (ADC0) IC3 PC1 (ADC1) ATmega168 PC2 (ADC2) -20PU PC3 (ADC3) PD0 (RXD) PC4 (ADC4/SDA) PD1 (TXD) PD2 (INT0) PC5 (ADC5/SCL) PC6 (RESET) PD3 (INT1) PD4 (XCK/T0) PB0 (ICP) PD5 (T1) PD6 (AIN0) PB1 (OC1A) PB2 (SS/OC1B) PD7 (AIN1) PB3 (MOSI/OC2) PB4 (MISO) PB5 (SCK) GND 22 ISP B1 2x8V/1VA5 14 15 16 17 18 19 Sensor R13 2A5 T AVCC VCC AREF 1k +5V K4 21 10k BTA16600BW 7 100k F1 R4 100k C4 R5 TRI1 330R K2 1k5 5A 20 23 24 25 26 27 28 1 L1 100uH K1 R12 4R7 R7 10k 10k R8 10k 10k K7 JP2 R9 10k R10 10k S1 10k C7 R3 470R T3 R6 15R 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 VSS VDD VL RS R/W E D0 D1 D2 D3 D4 D5 D6 D7 LED+A LED-C 2 x 16 (DEM16217) BC639 080850 - 11 Bild 1.

https://www.pdf-archive.com/2011/02/07/elektor02-2011de-lichtwecker/

07/02/2011 www.pdf-archive.com

HARLEQUIN 128 Issue 2B 62%

2 B1 68 PID502 PIR4302 COR21 R21 D2 D4 D5 D3 D1 VCC 74HC174 PIR20 1 COQ3 Q3 BC548 PIR2502 PIR2302 PIR2402 COR23 R23 COR24 R24 18K 3.9K PIQ301 PID501 PIR2602 PIR2702 VCC 2.2K COR26 R26 COR27 R27 18K 3.9K PIR2601 PIR2701 COR28 R28 COR29 R29 COR30 R30 18K PIR2801 PIR2901 PIR30 1 B 9PIU3109 DD4 PIU3 02 DD5 NLDD4 DD4 NLDD5 DD5 DD2 NLDD6 DD6 B2 DD7 COU33 U33 19 1Q 18 PIU33018 2Q 17 PIU33017 3Q 16 PIU33016 4Q 15 PIU33015 5Q 14 PIU33014 6Q 13 PIU33013 7Q 12 PIU33012 8Q PIU3502 1D 2D 3D 4D 5D 6D 7D 8D PIU33019 COU35 U35 19 1Q 18 PIU35018 2Q 17 PIU35017 3Q 16 PIU35016 4Q 15 PIU35015 5Q 14 PIU35014 6Q 13 PIU35013 7Q 12 PIU35012 8Q 2 3 PIU3303 4 PIU3304 5 PIU3305 6 PIU3306 7 PIU3307 8 PIU3308 9 PIU3309 PIU3302 PIU35019 11 CLK PIU33011 1 OC PIU3301 15 2G PIU31015 1D 2D 3D 4D 5D 6D 7D 8D 2 3 PIU3503 PIU35044 5 PIU3505 PIU35066 PIU35077 8 PIU3508 PIU35099 VD0 PIU3502 NLOutLatch OutLatch VD1 10 PIU38010 VD2 VD3 NLVCrst VCrst VD4 11 PIU38011 VD5 VD6 VD7 11 CLK PIU35011 1 OC PIU3501 PIU3 01 PIU3108 74HC253 VCC QA QB QC QD CLK QE QF QG CLR QH QI QJ QK QL PIU38099 CA0 7 CA1 PIU3807 PIU38066 5 3 PIU3803 PIU38022 4 PIU3804 PIU3801313 PIU3801212 14 PIU38014 PIU3801515 PIU38011 PIU3805 A1 A2 A3 A4 A5 A6 A7 A8 PIU4001818 VA7 PIU4001717 VA6 PIU4001616 VA5 VA0 PIU4001515 PIU4001414 13 PIU40013 PIU4001212 PIU4001111 VA4 VA3 VA3 VA4 VA2 VA5 VA1 VA6 VA0 VA7 VA1 VA2 VA8 VA9 VA10 VA11 PIU40 10 PIU410 6 74HC245 COU41 U41 CA3 VA12 VA13 15PIU41015 G 1PIU4101 A/B CA4 CA5 CA6 CA7 CA11 CA8 NLCA5 CA5 CA9 VC7 CA10 NLCA6 CA6 2PIU4102 3PIU4103 5PIU4105 6PIU4106 11PIU41011 10PIU41010 14PIU41014 13PIU41013 CA11 NLCA11 CA11 PIU3808 74HC4040 NLCA7 CA7 74HC574 1A 1B 2A 2B 3A 3B 4A 4B VA14 VA15 1Y 2Y 3Y 4Y PIU41044 VA8 VRD 7 VA9 VCS PIU4107 12 PIU8012 11 PIU8011 10 PIU8010 9 PIU809 8 PIU808 7 PIU807 6 PIU806 5 PIU805 27 PIU8027 26 PIU8026 23 PIU8023 25 PIU8025 4 PIU804 28 3 PIU803 31 PIU8031 PIU8028 24 PIU8024 29 PIU8029 22 PIU8022 30 PIU8030 VCC PIU41099 VA11 PIU34016 COU34 U34 1 1G PIU3201 6 1C0 PIU3206 5 1C1 PIU3205 4 1C2 PIU3204 3 1Y1C3 PIU3203 7PIU3207 DD3 DD0 B0 0 14 PIU3U30A COU30A COU30B COU30C COU30D 2 B PIU3202 14 A PIU32014 3 PIU3003 PIU30 2 10 2Y2C0 PIU32010 11 2C1 PIU32011 12 2C2 PIU32012 13 2C3 PIU32013 DD6 1 13 PIU34013 2 COU36 U36 A B C D E F G QH H SER SH/LD CLK CLK_INH PIU30 7 74HC86 CLR 9PIU3209 PIU30 1 2 PIU3402 19 PIU36019 18 PIU36018 17 PIU36017 16 PIU36016 15 PIU36015 14 PIU36014 13 PIU36013 12 PIU36012 3 PIU3403 4 PIU3404 5 PIU3405 10 PIU34010 11 PIU34011 12 PIU34012 14 PIU34014 PIU30 5 5 VD0 3 VD1 PIU3603 PIU36044 PIU36055 2PIU4202 3PIU4203 5PIU4205 6PIU4206 11PIU42011 10PIU42010 14PIU42014 13PIU42013 VD2 NLVC7 VC7 VD3 6 VD4 PIU3606 PIU36077 PIU36088 VD5 VD6 9 VD7 PIU3609 11 PIU36011 PIU36011 9 PIU3709 7 PIU3707 PIU29044 6 PIU3706 5 PIU3705 PIU2906 5 PIU2905 6 74HC08 NLDD7 DD7 74HC86 3 PIU3703 2 PIU3702 4 PIU3704 13 PIU37013 12 PIU37012 14 PIU37014 15 PIU37015 1 PIU3701 2Y 3Y 4Y PIU42044 VA12 PIU30 9 PIU30 10 10 PIR601 COR6 R6 1 VD0 PIU4701 2 VD1 PIU4702 17 VD3 PIU8017 18 VD4 PIU8018 19 PIU8019VD5 20 VD6 PIU8020 21 VD7 PIU8021 4 VD3 PIU4704 5 VD4 PIU4705 3 VD2 PIU4703 6 VD5 PIU4706 7 VD6 PIU4707 8 VD7 PIU4708 2 VA7 PIU4302 3 PIU4303 4 PIU4304 5 PIU4305 6 PIU4306 7 PIU4307 8 PIU4308 9 PIU4309 VA5 VA4 OE WE CS1 CS2 COR10 R10 PIR10 2 VRD VA3 VA2 VA1 VA0 COR11 R11 VA9 10k VA10 13 PIU47013 12 PIU47012 11 PIU47011 10 PIU47010 9 PIU4709 VCC D3 D4 COR3 R3 PIR301 PIR302NMI PIR401 COR5 R5 PIR501 PIR402WAIT PIU1024 10k 25 PIR502BUSRQ PIU1025 16 INT PIU1016 2 PIU4402 3 PIU4403 4 PIU4404 5 PIU4405 6 PIU4406 7 PIU4407 8 PIU4408 9 PIU4409 VA12 PIU42099 VRD VRD U5D PIU5013 VWR 11 PIU5011 COC43 C43 PIU5012 13 D6 D7 B1 B2 B3 B4 B5 B6 B7 B8 18 16 PIU43016 15 PIU43015 14 PIU43014 13 PIU43013 12 PIU43012 11 PIU43011 A5 A4 A14 A3 A2 A15 A0 12PIU23012 QA QB QC QD 10 QE CLK PIU37010 QF QG 11 QH CLR PIU37011 QI QJ QK QL A1 A2 A3 A4 A5 A6 A7 A8 B1 B2 B3 B4 B5 B6 B7 B8 18 PIU44018 17 PIU44017 16 PIU44016 15 PIU44015 14 PIU44014 13 PIU44013 12 PIU44012 11 PIU44011 A9 nAL A13 6PIU2406 NLAL1 AL1 12PIU27012 PIU2907 74HC08 PIU27044 PIU30012 9 PIU28010 10 12 8 VCC PIU2808 74HC86 COU45B COU45A U45A 74HC32 5 6 NLHSync HSync PIU2705 PIU4506 74HC74 U26C PIU2609 8 PIU2608 1 CON3 74HC08 COU26A COU26B COU26C COU26D U26A PIU26014 U28D 11 PIU28011 VBorder NLVBorder U26B 5 VC5 PIU5 07 74HC11 PIU28013 13 PIU28012 12 1 PIU2601 3PIU2603 PIU26022 PIU2607 74HC08 74HC32 PIU2605 6 PIU2606 VC4 D 12 PIU9012 11 PIU9011 QCLK PIU2501 2 5 PIU1905 11 6 PIU19011 PIU1906 Y0 A Y1 B Y2 C Y3 Y4 Y5 G1 Y6G2B Y7G2A 8 PIU2802 4 D QCLK 2 PIU1902 HC1 HC2 HCa HC3 HC0 NLHC1 HC1 VCC 6 5 PIU1705 PIU17044 PIU1706 PIU2102 3 15 PIU18015 14 PIU18014 13 PIU18013 12 PIU18012 11 PIU18011 10 PIU18010 9 PIU1809 7 NLHQ1 HQ1 NLHQ2 HQ2 NLHQ3 HQ3 PIU2307 74HC00 NLHQ5 HQ5 U23B 4 PIU2304 6 PIU2306 74HC08 2 NLHC3 HC3 NLHC4 HC4 HC8 HC5 NLHC5 PIU2107 HC2 PIU1901 U21B 2 11PIU21011 9 PIU2106 6 128PIU2108 10 PIU21010 PIU21013 13 PIU2104 4 PIU2105 5 PIU1807 HC6 HC7 20 14 IUU20A COU20A COU20B COU20C PCOU20D 1 PIU1801 2 PIU1802 3 PIU1803 HC8 1 PIU2001 3 PIU2003 4 HC5 PIU2004 6PIU2006 HC6 PIU20 7 74HC00 5 PIU2005 HC7 VCC 6 HC1 2 PIU2002 HCa 74HC00 PIU1804 J15 COJ15 NLHC6 HC6 74HC00 VCC 28.000MHz = 48K TIMIMG 28.375MHz = 128K TIMING Y2 1-2 = NTSC 2-3 = PAL 3.579MHz = NTSC 4.433MHz = PAL 1 PIU4601 COC3x C3x PIC301 COC3 C3 Vin Vout GND VCC PIU4602 3 BK0 2PIU5102 COC6 C6 COC6x C6x PIC601 10uF PIC302 10uF PIC6x02 22uF PIC602 74HC74 COC29 C29 PIC2901 PIC501 PIC2902 PIC502 COC5 C5 PIC901 COC9 C9 PIC10 1 COC10 C10 PIC1 01 COC11 C11 PIC10 2 0.1uF PIC1201 COC12 C12 22uF 220uF PIC902 0.1uF 0.1uF PIC1 02 0.1uF PIC1202 0.1uF PIC1301 COC13 C13 PIC1401 COC14 C14 PIC1501 COC15 C15 PIC1601 COC16 C16 PIC1701 COC17 C17 PIC1901 COC19 C19 PIC1302 0.1uF PIC1402 0.1uF PIC1502 0.1uF PIC1602 0.1uF PIC1702 0.1uF PIC1902 0.1uF PIC20 1 COC20 C20 PIC2101 PIC20 2 0.1uF COC21 C21 PIC3901 COC39 C39 PIC2102 PIC3902 0.1uF 0.1uF A8 M1 A10 RFSH -12V RD WR WAIT +12V IORQ -5V D4 HALT MREQ D3 NMI D5 D6 INT D2 D1 D0 A13 D7 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B1 B2 B3 B4 A11 A9 A4 BUSAK A5 ROMCS A7 A6 RST BUSRQ GND IORQGE A3 A2 A0 A1 CLKB GND GND A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 A28 A1 A2 A3 A4 +9V A12 A14 4 6 PIU1306 PIQ903 COQ9 Q9 2SA1175 PIQ901 PIQ902 PIQ10 3 COQ10 Q10 PIQ10 2 PIQ1101 2SA1175 PIQ1001 COQ11 Q11 2SA1175 PIQ1 03 PIQ1 02 5 PIQ1203 COJ1 J1 COQ12 Q12 2SA1175 PIQ1201 COU14 U14 14PIU14014 QA A 13PIU14013 QB B 12PIU14012 QC C 11PIU14011 QD D 15PIU14015 RCO CLK ENT ENP LOAD CLR COU15 U15 14PIU15014 QA A 13PIU15013 QB B 12 PIU15012 QC C 11PIU15011 QD D 15PIU15015 RCO CLK ENT ENP LOAD CLR COU16 U16 14PIU16014 QA A 13PIU16013 QB B 12 PIU16012 QC C 11PIU16011 QD D 15PIU16015 RCO CLK ENT ENP LOAD CLR PIQ1303 COQ13 Q13 2SA1175 U55C 9 PIU5509 10 PIU55010 11 8 PIU5508 BK0 13 PIU24013 A14 12 PIU24012 BK1 9PIU2909 74HC08 U24A COU24A COU24B COU24C COU24D 1PIU2401 2 6 PIU2206 74HC32 PIU1 07 74HC08 2PIU1002 D 3PIU1003 CLKQ 74HC04 NLCLK7 CLK7 11PIU13011 COD6 D6 12 13 NLA5 A5 PID601 NLRD RD PID701 PIU10055 Q PIU10 1 74HC74 U11B D0 D1 D2 D3 D4 D5 U12B 4PIU1104 5 PIU1205 4 PIU1204 6 PIU1106 PIU12013 5PIU1105 6 PIU1206 74HC32 74HC08 74HC32 3 PIU3903 5 PIU3905 7 PIU3907 9 PIU3909 11 PIU39011 13 PIU39013 Y1 Y2 Y3 Y4 Y5 Y6 A1 A2 A3 A4 A5 A6 VCC 2 S0 PIU3902 4 S1 PIU3904 NLS0 S0 NLS1 S1 NLS2 S2 NLS3 S3 NLS4 S4 6 S2 PIU3906 10 S3 PIU39010 12 S4 PIU39012 14 NLVCC VCC PIU39014 COR61 R61 1PIR6101 2PIR6102 3PIR6103 4PIR6104 5PIR6105 6PIR6106 10k 74HC366 74HC08 3 MREQ 74HC08 U11C 2 10 PIU1402 U12C PIU14010 PIU14077 10 NLHC0 HC0 8 COJ13 J13 COU12A COU12B COU12C COU12D U12A PIU12014 9 PIU1009 Q 1 8 CLKQ PIU1008 2 PIU1202 PIU1207 74HC32 74HC74 VCC 1 2 3 4 5 6 7 PIU1201 3 PIU1203 VCC PIU1208 9 D PIU10 7 PIU10 13 PIU12010 9 PIU1409 1 PIU1401 VCC 5 PIJ1605 9 PIJ1301 PIJ1302S0 PIJ1303S1 PIJ1609 S0 4 PIJ1604 8 PIJ1608 S1 3 S2 PIJ1304 PIJ1305S3 PIJ1603 7 PIJ1607 PIJ1306 S4 PIJ1602 PIJ1307 PIJ1606 S3 1 PIJ1601 S2 2 S4 6 C Header 7 NLCLK CLK KEMPSTON PIU1209 U13D 74HC32 8PIU1308 3 PIU1503 PIU15044 9 PIU1309 74HC04 5 PIU1505 6 PIU1506 2 PIU1502 10 PIU15010 PIU15077 NLHCa HCa 9 PIU1509 1 PIU1501 D PIU4509 Q 11 NLCLKB CLKB PIU29011 74HC08 PIU45010 PIR1601 1K PIR1602 PIC201 27pF PIC202 U20C D1 D3 74HC04 PIU1307 D4 COY1 Y1 PIY101 U51C 10PIU51010 8 NLBC1 BC1 9PIU5109 PIU5108 74HC00 PIR5902 COU50 U50 3PIU5003 1D 4PIU5004 2D 6PIU5006 3D 11PIU50011 4D 13PIU50013 5D 14PIU50014 6D D5 1Q 2Q 3Q 4Q 5Q 6Q PIU50022 NLBK0 BK0 5 NLBK1 BK1 PIU5005 7 NLBK2 BK2 PIU5007 VB PIU5001010 NLVB 12 NLROM0 ROM0 PIU50012 15 PIU50015 PID301 PIY102 28.375MHz COC2 C2 10 PIU4010 9 PIU409 PIU4077 PIU50 16 D0 1 PIU1301 D2 COR16 R16 74HC04 9 PIU1609 1 PIU1601 BDIR NLBDIR 74HC00 470 PIR1502 2.2M 2 PIU1302 11 PIU51011 13 PIU4013 12 PIU4012 PIU401111 COR59 R59 PIR5901 PIU13014 COU13A COU13B COU13C COU13D COU13E COU13F U13A 3 PIU1303 PIU51013 12PIU51012 PIU408 PIR1501 U13B 4PIU1304 CLK14 NLCLK14 13 15 PIU4015 PIU401414 74HC138 COR15 R15 4k7 PIR1702 2 13PIU29013 12PIU45012 COR17 R17 5 PIU1602 10 PIU16010 PIU16077 9 PIU4508 A15 VCC PIR1701 PIU1605 6 PIU1606 U29D 12PIU29012 CLKQ VCC 3 8 11PIU45011 74HC74PIU45014 PIU1603 PIU16044 U51D COU4 PIU4016 U4 1PIU401 A Y0 2PIU402 B Y1 3 WR PIU403 C Y2 Y3 Y4 6 VCC PIU406 G1 Y5 IORQGE 5 PIU405 G2BY6 4PIU404 A1 G2AY7 A14 PIU4507 PIU45013 U45B 2 PIU2009 PIC401 PIC402 NLRST RST COC4 C4 27pF D3 COD3 1PIU5001 CLR 9PIU5009 CLK 1N4148 PIU50 8 PID302 74HC174 8 PIU2008 10 PIU20010 3 PIU2403 74HC00 COU53D COU53A COU53B COU53C U53A PIU53014 PIU2402 PIU2407 3 RA14 U53B PIU5202 4 PIU5304 NLnAL nAL PIU2 09 11PIU10011 74HC08 PIU5203 U22C 9 10 12PIU10012 6 PIU1406 74HC08 PIU5201 A15 PIU24011 PIU11088 10PIU11010 MREQ COJ16 J16 U10B PIU10 14 PIU10 10 9PIU1109 NLIORQULA IORQULA PIU1403 PIU14044 PIU14055 74HC32 74HC08 1 BK2 2PIU5302 74HC08 U53D 13PIU53013 AL 12PIU53012 4 PIU5303 AL NLAL PIU5307 74HC08 nA15 NLnA15 8 PIU5308 PIU52012 13 PIU52013 U51B 4 PIU5104 11VA14 11 5 U52C PIU5204 6 PIU5206 PIU5205 74HC32 PIU52011 A15 5PIU5105 74HC32 PIU53011 6 PIU5106 9 PIU5209 10 PIU52010 8 PIU5208 VA15 74HC32 U52D 12 D RA15 U52B PIU5301 3 U53C 9PIU5309 10PIU53010 VB 8 PIU2208 RAM PIU2 010 PIU53066 5 PIU5305 A14 nA15 Title ZX Spectrum Superfo Harlequin 128K 74HC00 Size Document Number Rev A 74HC08 2B Date:

https://www.pdf-archive.com/2016/07/09/harlequin-128-issue-2b/

09/07/2016 www.pdf-archive.com

electra distortion 61%

9V C1 GND D2 1N914.4 1N914.4 D1 C2 OUT Q1 2N3904 IN 2- 100nf 1- 2.2M 1- 47k 1- 680R 2- 1N4148 R4 100kA 1- 100K logaritmico 1- 2N3904

https://www.pdf-archive.com/2011/04/02/electra-distortion/

02/04/2011 www.pdf-archive.com