SEGA ENTERPRISES GENESIS 32X Service Manual Download Page 1 | Manualshive

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SEGA ENTERPRISES GENESIS 32X Service Manual Download Page 1

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Summary of Contents for GENESIS 32X

Page 1: ... 2 IDENTIFYING PARTS 3 3 ACCESSORIES 3 4 DISASSEMBLY 4 5 ADJUSTMENT 5 6 BLOCK DIAGRAM 7 7 SCHEMATIC CIRCUIT BOARD DIAGRAMS 9 8 PARTS SPECIFICATIONS 19 9 EXPLODED VIEW PARTS LIST 34 9 1 Exploded View 34 9 2 Mechanical Parts List 35 9 3 Electrical Parts List 35 9 4 Accessories Package List 38 Sega Enterprises Ltd ...

Page 2: ... AC120 V 60 Hz Input AC230 V 50 Hz Input AC240 V 50 Hz Output DCIO V 850 mA Output DCIO V 850 mA Output DC9 V 850 mA Power consumption Approx 4 W Approx 4 W Approx 4 W Operating environment Temperature 5 C 35 C Humidity 20 RH 80 RH no condensation Dimensions l 15 W x 210 L x IOO H mm Specifications Master 32bit RISC SH2 23 MHz 20MIPS CPU Srave 32bit RISC SH2 23 MHz 20MIPS RAM 2Mbit SDRAM Memories ...

Page 3: ...r for GENESIS II MEGA DRIVE II RF Unit Cartridge Slot PAL version except for France Rear View Conversion Cable AC Adaptor Mono Cable Scart France only 3 AN IN Jack AC Adaptor Jack AudioNideo Cable Mono Electromagnetic Shield Plates Extension Unit Only GENESIS 32X VAO ...

Page 4: ...ove two screws attached the 64 pin connector 3 Remove two 40 pin flat cables on the sub board 4 Remove the sub board showned as arrow Flg 4 2 4 3 Main Board Removal See Fig 4 3 4 4 4 I Remove four screws attached the front case and rear case on the bottom case and then their showned as arrow 2 Remove two screws attached the front case and rear case and main board Rear Case Flg 4 3 Flg 4 4 ...

Page 5: ...vely for super 32X To AC outlet Frequency counter 13 5795456MHzl To DC Jack Connect to 10 1 probe to IC12 pin 20 Connect to GND Pattern Adlustment procedure l Disconnect the super 32X from the Mega Drive Connect to IC12 pin 31 Sub Board 2 Remove the top case and top shield case from the super 32X 3 Plug the AC adaptor into an AC outlet and into the DC jack 4 Set the regulated power supply to 5V DC...

Page 6: ...MEMO 6 ...

Page 7: ...7 2 Circuit Board Diagram Main Board VAO 2 3 4 5 6 A B c 0 11 ...

Page 8: ...7 2 Circuit Board Diagram Main Board VA1 2 3 4 5 6 A B c D 12 ...

Page 9: ...6 Power supply OV ll6 0 N C Not connectes ll7 I MD3 Operation mode pin 118 1 0 CKIO System clock input output ll9 I MD4 Operation mode pin 120 MDS 121 VSS17 Power supply OV 122 I RES Reset 123 VCC14 Power supply SV 124 0 JVECF Interrupt vector fetch cycle 125 I NM Non maskable interrupt request 126 IRL3 127 I IRL2 External interrupt factor input 128 IRLI 129 IRLO 130 1 0 bo Data bus 131 Dl 132 VCC...

Page 10: ...r RUNNING a CD TIMER en a en CD v w w a z 0 J 0 0 v BREAK __l_ i SERIAL z J J COMMUNI CACHE DATA _ ONTROLLER a w a a v _ CATIONS w w z INTERFACE CD k a a w w I a a 0 VECTOR ADDRESS J v WATCH DOG DIVU z TIMER cil a J 1 I BUS STATE DIRECT w ONTROLLES I ___ MEMORY ACCESS OPERATION CONTROLLER v MODE x2 CHANNELS ONTROLLER OSCILLATOR EXTERNAL BUS INTERFACE 0 22 ...

Page 11: ... be used as the burst access start address AB define precharge mode Precharge command cycle A8 Low Both bank prccharged AB High One bank prcchartged depends on state of A9 Read write command cycle AS High Prccharge cycle is started automatically following the end of data transfer in burst mode A9 is bank select signal BS In command cycle A9 low select bank A and A9 High select bank B CKE determine...

Page 12: ...DQ5 11 DQ6 12 DQ7 1 0 1 0 pins are the same as conventional DRAM 39 DQ8 40 DQ9 42 DQIO 43 DQll 45 DQ12 46 DQ13 48 DQI4 49 DQI5 I 7 13 Vee Powersupply of internal circuits 25 38 44 4 10 26 Vss Powersupply of internal circuits 41 47 50 31 32 GND Ground pins 24 ...

Page 13: ... SHA13 94 1 0 VDS SHA14 9S l O VD2 SHAIS 96 1 0 VDlO SHA16 97 l O VD4 SHA17 98 Ito VD3 WAIT 99 Ito VDU RD 100 I MRES DQMLL 101 I VA19 DQMLU 102 I VA20 RDXWR 103 I VA21 BS 104 I VA22 CS2 lOS I VA23 CSI 106 I CASO csos 107 I CEO CSOM 108 I AS DREQl 109 0 DTACK DREQO llO VDD VAIS lll GND VA17 112 I VCLK VA16 113 I CAS2 VAIS 114 1 0 VDlS VA14 llS 1 0 VD14 VA13 ll6 Ito VD13 VA12 117 1 0 VD12 VAil llS I...

Page 14: ... I I I I I I I I I I I I 0 I I I 41 40 25 24 Pin Name No 1 0 Pin Name No 1 0 Pin Name VA9 41 I SHA2 61 0 RA22 VA8 42 I SHA3 62 0 RA21 VA7 43 I SHA4 63 0 RA20 VA6 44 I SHAS 64 0 RA19 VAS 45 I SHA6 65 0 RA18 VA4 46 I SHA7 66 0 RA17 VA3 47 I SHA8 67 0 RA16 VA2 48 I SHA9 68 0 RAIS VAl 49 I SHAIO 69 0 RA14 SHA21 50 I SHAll 70 0 RA13 SHA20 51 I SHA12 71 GND CKIO 52 I SHA13 72 VDD GND 53 GND 73 0 RA12 VD...

Page 15: ...ts No 315 5781A Pin Name No 1 0 Pin Name GND 73 VDD GND 74 VDD ADlS 75 VDD AD14 76 N C AD13 77 0 EA7 AD12 78 0 EA6 ADU 79 0 EA5 ADlO 80 0 EA4 AD9 81 0 EA3 AD8 82 0 EA2 AD7 83 0 EAl AD6 84 0 EAO ADS 85 0 EUWE AD4 86 0 ELWE AD3 87 0 EOE AD2 88 0 ECAS ADI 89 0 ERAS ADO 90 1 0 EDIS TEST3 91 1 0 EDl4 C23 92 1 0 ED13 MODE2 93 1 0 ED12 RW 94 1 0 EDU DIR 9S 1 0 EDlO VACK 96 1 0 ED9 ACCS 97 1 0 EDS HINT 98...

Page 16: ...W Upper byte write enable LW Lower byte write enable OE Output enable VCC Power supply GND Ground NC Not connected IC LC321664AM 80 SOP SANYO Parts No 315 0962 80 l 02 1 04 1 06 l 08 l 010 l 012 1 014 1 016 1 01 1 03 l 05 l 07 l 09 1 011 1 013 1 015 0000000000000000 It LW 0 c r ______ CAS CLOCK GENERATOR No 2 COLUMN COLUMN 8 ADRESS 8 DECODER AO BUFFER 8 SENSE AMP A1 REFRESH 1 0 GATE A2 CONTROLLER ...

Page 17: ... No 314 0623 TopView GND 7 IC10 3PIN REGULATOR ICRH5RL33A Parts No 313 5320 TopView D2 3 1 GND 2 IN 3 0UT IC 74AC04 SOP 300MLL TOSHIBA Parts No 314 0694 Truth Table A y L H H L Block Diagram Fixed positive voltage regulator i3 V OUT 1 V ref 1 GNO 29 ...

Page 18: ...M CP BA6166FS SOP ROHM Parts No 315 5684 TopView 0 18 32 17 Pin Description and Block Diagram RESET OUT 17 i RESET r PSGIN FMIN2 20k REFIN REF OUT FM IN1 LPF1 LFB1 FM LPOUT1 ROM IN1 CDIN1 CDMIXOUT1 7 LPIN1 6 MIX LPOUT1 STOUT1 MONO OUT HPIN1 30 ...

Page 19: ...IC12 VIDEO MIX IC BA7237FS Parts No 315 5788 TopView Block Diagram 16 15 NT PAL 17 IC BA7237FSA Parts No 315 5788A F F YS 31 ...

Page 20: ... 3 IC14 RESET IC IC PST993E Parts No 313 5319 8 7 6 TopView FrontView 0 IC IR3M03AN SOP SP Parts No 313 5335 Block Diagram Drive Collector 8 1 lpk Sense 7 1 1 lpk c Oscillator T Vee 6 Comparator Comparator 5 1 Inverting Input Block Diagram 32 1 25V reference ulator 4 GND OUT ...

Page 21: ...R0 2R0 ID 2D lCP 2CP So 2So IQ 2Q IQ 20 GND Vee Logic Symbol Diagram 4 10 1s0 2s0 210 So 10 5 D a 209 31CP CP FF 11 2CP 106 o 208 Ro 1 R0 2 R0 1 13 Function A synchronous reset direct inputs active Low Data inputs Clock inputs Low to High triggered by edge A synchronous set direct inputs active Low True flip flop outputs Complement flip flop outputs GND OV Positive supply voltage 33 ...

Page 22: ...9 EXPLODED VIEW PARTS LIST 9 1 Exploded View 2 1 2 5 2 2 6 3 4 5 6 A B c D 34 ...

Page 23: ...NT CHIP 47UF lOV CEl 153 0119 01 CAP TANT CHIP 47UF lOV 5 610 5808 ASSY REAR CASE MARS 5 253 6905 REAR CASE MARS CE2 153 0119 CAP TANT CHIP 47UF 10V 5 2 250 5410 UNDER PLATE MARS CE2 153 0119 01 CAP TANT CHIP 47UF lOV 6 253 6599 64P COVER MD2 EXPORT CN1 209 5076 FFC CNN 40P SOP CNl 209 5076 01 FFC CNN 40P SOP VAl 9 670 5338 LABEL MD 32X LOGO ASIA 1 CN1 209 5076 02 FFC CNN 40P SOP VA1 9 670 5339 LA...

Page 24: ...0 1UF 16V ZF1608 C44 151 0405 CAP CER CP 0 1UF 16V ZF1608 Cll 151 0612 CAP CEA CP 470PF SOY CH1608 C45 151 0614 CAP CER CP 4 7UF lOV ZF3216 C12 151 0614 CAP CEA CP 4 7UF 10V ZF3216 C45 151 0614 01 CAP CEA CP 4 7UF EMK316F475Z VAl Cl2 151 0614 01 CAP CER CP 4 7UF EMK316F475Z VA1 C45 151 0615 CAP CEA CP 3 3UF 16V ZF3216NEC Cl2 151 0615 CAP CEA CP 3 3UF 16V ZF3216NEC C45 151 0615 01 CAP CER CP 3 3UF ...

Page 25: ...OB6 COMMON FILTER CM04RC01T R24 476 1100 J 16 RES CHIP 10 OHM 1 16W S R2S 476 1222 J 16 RES CHIP 2 2KOHM 1 16W S CN3 209 S026 EDGE CONNECTOR 64P CN3 209 S061 EDGE CONNECTOR 64P PSB4D32K 7R R26 476 17SO J 16 RES CHIP 7S OHM 1 16W S CN3 209 S063 EDGE CONNECTOR 64P R27 476 17SO J 16 RES CHIP 7S OHM 1 16W S R2B 476 17SO J 16 RES CHIP 7S OHM 1 16W S CN4 209 S076 FFC CNN 40P SOP R29 476 17SO J 16 RES CH...

Page 26: ... lOPF C73 151 0482 CAP CER CP B2PF 50V CH1608 9 4 2 PAL C74 151 0436 CAP CER CP 15PF SOV JCH1608 AJ 1 400 S208 AC ADAP 240V 50HZ 10VDC 0 85A FJ C74 151 0619 CAP CER CP 18PF SOV CH1608 BJ 1 400 5209 AC ADAP 230V SOHZ 1OVDC 0 85A A B D GJ 1 400 5211 AC ADAP 240V DC9V 0 85A C EJ C75 151 0432 CAP CER CP 47PF SOV CH1608 AJ C75 151 0611 CAP CER CP 56PF SOV CH1608 BJ 2 610 5473 RF UNIT MD2 MDU UD3631 C D...

Page 27: ... 8P 9P W CORE AJ 5 600 6411 A V CABLE 9P 9P W CORE 6 210 5030 CONVERSION PLUG E 5 CJ 7 671 5438 03 B P SET MD 32X ASIA 84202 DP AJ 8 671 5658 03 B P SET MD 32X ASIA 84202 PM A 9 671 5610 03 MA CTN MD 32X ASIA 84202 AJ 7 671 5438 05 B P SET MD 32X ASIA 84204 DP BJ 8 671 5658 05 B P SET MD 32X ASIA 84204 PM BJ 9 671 5610 05 MA CTN MD 32X ASIA 84204 B C DJ 7 671 5438 10 B P SET MD 32X S A 84204 OP CJ...

Page 28: ...llU 1995 Sega Enterprises Ltd Printed in Japan 50620 ...

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