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Sega Genesis 32X Service Manual

1. ROM 1 CARTRIDGE 1 1 CEO ASEL 052 CASO LE IRLI IRL3 Tr LECH CSI CS2 ROR i 85 VELU DICK SH RES OREO WATT 1 si sat INTERFACE MORA REGISTER C4 1 1 RISC CPU PROVIDES OMA CONTAINS AXBNTE CACHE I TO FROM 32x SYSTEM amp REGISTER 125it REGISTERS SET SOUND CYCLE AND PULSE 06 GENESI S HD DATA BUFFER AN 15 ALTERNATLY DRAWN 1 AND THEN DISPLAYED I 4 COMMUNICATIO e GENESI S MD INTERFACE 1 INTERFACE 5 AS VOLK MRES HCART RAS CAS 0E WE AAT 2 1 t var COMMUNICATION 1 l gt 5 INTERFACE 1 1 Mime 1 t gt E 1 SPLIT WHICH THEN BECOMES L REGISTER R CPU at CLOCK FT MRES KI l SET IN ICE 5 SYSTEM REGISTER UL SAT ADRESS voP BUFFER CONTROL 16bit COLOR RAM 1 S VREF IREF TO TV ACC RGB R 6 B CVIDEO SOUND VAL VA23 00 015 CONTROL ANALOG 5
2. Discription Pin Name No VO Pin Name Pin Name Pin Name 45 GND 46 GND 47 1 SHA10 48 1 SHA11 49 1 SHA12 50 1 SHA13 51 I SHA14 52 1 SHA15 53 1 SHA16 54 1 5 17 55 WAIT 56 1 RD 57 1 DOMLL 58 1 DQMLU 59 l RDXWR 60 1 BS 61 52 62 1 CSI 63 1 CS0S 64 1 CSOM 65 DREQI 66 DREQ0 67 1 18 68 1 VA17 69 1 VA16 70 1 15 71 1 14 2 vais 1 1 1 1 1 1 1 1 1 IC5 ADDRESS SELECTOR IC CUSTOM CHIP MARS ADSE Parts No 315 5805 H Top View 65 80 Description Pin Name Pin 61 RA22 6 8bit 20MHz D A CONVERTER CUSTOM CHIP G A MARS VDPNEC IC CUSTOM CHIP SCA MARS VDP Parts No 315 5781 Parts No 315 5781A E Top View 108 73 109 Pin Name No Pin Name 73 VDD 74 VDD 75 VDD 76 N C 77 78 6 79 5 80 4 81 EA3 82 EA2 83 EAL 84 85 EUWE 86 ELWE 87 88 o ECAS 89 ERAS 90 1 0 EDIS 91 1 0 ED14 92 1 0 93 yo ED12 2 94 1 0 EDI 95 1 0 EDIO 96 1 0 ED9 97 1 0 ED8 98 yo E
3. 36 Parts No 151 0614 01 151 0615 151 0615 01 151 0405 151 0405 151 0614 151 0615 01 151 0405 151 0405 151 0405 151 0614 151 0614 01 151 0615 151 0615 01 151 0405 151 0405 151 0614 151 0614 01 151 0615 151 0615 01 151 0405 151 0405 151 0405 151 0405 151 0405 151 0405 151 0405 151 0614 151 0614 01 151 0615 151 0615 01 151 0614 151 0615 01 151 0405 151 0405 151 0614 151 0615 01 151 0614 151 0614 01 151 0615 151 0615 01 NOT USED 151 0620 151 0253 151 0629 151 0251 151 0253 151 0251 151 0253 Description 4 7UF EMK316F475Z CP 3 3UF 16V ZF3216NEC CP 3 3UF 16V 73216 CAP CER 0 1 16V ZF1608 CER 0 1UF 16V 21608 CER 4 10 ZF3216 CER CP 4 EMK316F4757 CAP CER 3 3UF 16V ZF3216NEC CER CP 3 16V Z3216T0KI CAP CER 0 16V ZF1608 CAP CER 0 1UF 16V ZF1608 CAP CER 0 1UF 16V ZF1608 CAP CER 4 TUF 10 ZF3216 CER CP 4 EMK316F475Z CAP CER CP 3 3UF 16V ZF3216NEC CER 3 3UF 16V 23216 CAP CER 0 16V ZF1608 CAP CER 0 1UF 16 221608 CAP CER 4 7UF 10 7 3216 CER CP 4 7UF 16 4757 CER CP 3 3UF 16V ZF3216NEC CER CP 3 3UF 16V 23216 0 CA
4. RO SL2 I 1 RGB j ENCODER i GAME MAIN BACKUP AUDIO T DL 1 PROCESSOR CPU MEMORY MIX 1 1 poor r I AUDIO 1 co PCH Video Ron somo pa DECODE SOURCE AUDIO Love coNTRoL 6 MEGA DRIVE 2 SECTION MEGA CD2 I GENESIS 2 1 L SEGA CD2 2 7 SCHEMATIC amp CIRCUIT BOARD DIAGRAMS 7 1 Schematic Diagram 1 Main Section 1 2 E 165 sy 315 5818 I t PL REL 90 M E VAG 9 VS VAT D wa CE Hg AO Wa At WIS VAS AIT Wig IE SUB ONS ts VAT 17 UO YB 06 M06 22 oi zaj 0 0 1 772 3 LE ws An m AT 15 10 5 6 36 Tr T 109E 109 NO USE 744004 109 D WA AVAL 12004 Oed reser 1
5. AB A9 is bank select signal BS In command cycle A9 low select bank and A A9 High select bank CKE determine next CLK is valid or not If CKE is high next CLK rising edge is valid But if CKE is low next CLK is invalid If CLK rising edge is invalid internal clock is not asserted and PD4504161 becomes halt operation And when PD4502161 dose not in burst mode and CKE is negated PD4502161 enter power down mode During power down mode CKE must keep low level control Upper byte and controls Lower byte input output buffers In read mode DOMU DQML control output buffer impedance like conventional OE If DOMU DQML is High output buffers become high impedance If DQMU DQML is Low output buffers become low impedance And when device in write mode DOMU DQML control word mask If DOMU DQML is High input data is not written to memory cell If DOMU DOML is Low input data is written to memory cell Function 200 pins are the same as conventional DRAM Power supply of intemal circuits Power supply of internal circuits 1c4 IC CUSTOM CHIP G A MARS I F IC CUSTOM CHIP SCA MARS I F Parts No 315 5818 Parts No 315 5818A E Top View 133 176
6. 105 1 MDO Operation mode pin 106 VSS PLL 15 Power supply of built in PLL 107 1 MDI Operation mode pin E Extemal capacitor connection pin for PLL no 1 MD2 Operation mode pin 111 CKPACKN Clock pause acknowledge output n2 1 CKPREQN Clock pause request input 113 Power supply SV 114 I N C Not connectes 115 5516 Power supply 116 N C Not connectes 117 1 MD3 Operation mode pin vo CKIO T System clock input output 1 e Operation mode pin VSS17 Power supply 0V I RES Reset gt VCCI4 Power supply 5V Interrupt vector fetch cycle I Non maskable interrupt request External interrupt factor input Data bus Data bus Power supply 0V Power supply SV Data bus Power supply 0V 21 E Block Diagram MULT o gt 8 8 CACHE TAG BD 51 8 Q u EXCEPTION w 15 PROCESS LM INTERRUPT m CACHE 5319 ES CONTROLLER Sines LL o a 5 a E 8 z 5 CACHE DATA 5 z 4 a e a e lt VECTOR ADDRESS DIVU z 5 L 5 gt gt KIE state 15 DIRECT ONTROLLER MEMORY z ACCESS CONTROLLER 2 CHANNELS OSCILLATOR VV INTERFACE EXTERN
7. 115 W X 210 L x 100 H mm 32bit RISC SH2 23 MHz 20MIPS 32bit RISC SH2 23 MHz 20MIPS Memories 2Mbit SDRAM 2Mbit Sound Display capability Video Output SEGA custom LSI 32 768 colors VIDEO RF RGB Cartridge slots 2 IDENTIFYING PARTS Front View Rear View Cartridge Slot Cartridge Slot AN OUT Jack AN IN Jack AC Adaptor Jack 3 ACCESSORIES Connector Cable Conversion Cable Audio Video Cable Mono Spacer for GENESIS 11 Electromagnetic Shield Plates IMEGA DRIVE II RF Unit Mono Cable Scart Extension Unit PAL version except for France France only Only GENESIS 32X VA0 4 DISASSEMBLY 4 1 Top Case Removal See Fig 4 1 1 Remove four screws and the top case Bottom case 4 2 Sub Board Removal See Fig 4 2 1 Remove ten screws B attached the top shield case 2 Remove 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 4 3 Main Board Removal See Fig 4 3 4 4 1 Remove four screws attached the front case and case on the bottom case and then their showned as arrow 2 Remove two screws attached the front case and case and main board Rear Case Main Board Fig 4 4 5 ADJUSTMENT Video Frequency Matching Adjustment Test equi
8. 10 Power supply SV CASLL DOMLL WEO Each memory least significant byte select signal VSS12 Power supply 0V RD Read pulse CKE SDRAM clock enable control WAIT Hardware wait request BEN Reserve 5513 _ Power supply _ BACK BRLS Bus right permission in slave mode Bus right acknowledge in master mode BREQ BGR Bus right request in slave mode Bus right acknowledge in master mode WDTOVF Watch dog timer qutput FTOB Free running timer output VCCII Power supply SV _ Free running timer output A Power supply OV Free running timer input Free running timer clock input data input Serial data output Serial clock input output Power supply SV _ Data bus Power supply OV o Data bus Power supply SV Data bus Power supply OV Data bus Power supply SV Data bus Power supply 0V H Data bus Power supply SV Data bus Power supply OV Data bus Address bus d Power supply 0v Address bus lol o olol i ojojojolo i Power supply 5
9. SEGA SERVICE MANUAL GENESIS 32X VA0 VA1 MEGA DRIVE 32X NO 012 ISSUED JUNE 1995 CONTENTS 1 SPECIFICATIONS sme n 2 IDENTIFYING PARTS 3 ACCESSORIES 8444 44 eee eee eee ee ee 4 DISASSEMBLY 5 ADJUSTMENT 6 BLOCK DIAGRAM 7 SCHEMATIC amp CIRCUIT BOARD DIAGRAMS 83 33 8 PARTS SPECIFICATIONS lt lt oem Ga saa siens 9 EXPLODED VIEW amp PARTS LIST 9 1 Exploded Views 34 9 2 Mechanical Parts List 0000000006 see 9 3 Electrical Parts List ie se me weds 9 4 Accessories Package List n Enterprises Ltd BEFORE REFERRING THE SERVICE MANUAL Since the circuit of the Extension Unit used in the GENESIS 32X has been integrated on the main circuit board an Extension Unit is not necessary for the GENESIS 32X VA1 This circuit is built into the MEGA DRIVE 32X from the first unit 1 SPECIFICATIONS Ratings Model GENESIS 32X Input AC120 V 60 Hz Output DC10 V 850 mA DRIVE 32X PAL PAL G I Input AC230 V 50 Hz Output DC10 V 850 Input AC240 V 50 Hz Output DC9 V 850 Power consumption Approx 4 W Approx 4 W Approx 4 W Operating environment Temperature S C 35 C Humidity 20 RH 80 RH no condensation Dimensions Specifications
10. 5 wc VP 10 1 i sg v F Et N 8 HVDE IM BVH 5 t sg 4 M Um 8 8 1599 art ey o lt z 9 85 Ol Fit 4 L cu 3 4 E 457 je PEE 90 Lil amp 18 8 PARTS SPECIFICATIONS IC1 2 CPU Address bus Power supply 5 Function IC HD6417095F23 QFP ac HD6417095F28 QFP Parts No 315 0922 Parts No 315 0922A Address bus Wi Top View Power supply SV Address bus Power OV Address bus Power supply SV Address bus Power supply 0V Address bus 108 7 M 109 i HD6417095 i 114 ES i 3 1 6 Power supply 5 lll Description Address bus Power supply Address bus Function Data bus DMACO acknowledge Power supply 5 DMACI acknowledge _ Power supply OV DMACO recuest DMACI request Chip select 0 Chip select 1 Chip select 2 Chip select 3 Bus cycle start Read write d Power supply OV RAS CE RAS for DRAM SDRAMICE for PSRAM CAS OE CAS for SDRAM OE for PSRAM _ CASHH DOMUU WES Each memory most significant byte select signal CASHL DQMUL WE2 Each memory 2nd byte select signal CASLH DWMLU WEI Each memory 3rd byte select signal
11. RZ 476 1133 6 16 RB 476 1272 6 16 R9 416 1162 6 16 R61 416 1822 J 16 R62 416 1202 J 16 R63 NOT USED R64 NOT USED R65 NOT USED R66 419 0472 a 151 0405 cz 151 0613 3 NOT USED 4 NOT USED NOT USED C6 151 0614 C6 151 0614 01 C6 151 0615 C6 151 0615 01 151 0405 8 151 0614 8 151 0614 01 8 151 0615 151 0615 01 C9 151 0405 c10 151 0405 e 151 0612 c2 151 0614 2 151 0615 12 151 0615 01 151 0405 151 0612 15 151 0614 15 151 0614 01 15 151 0615 15 151 0615 01 151 0405 eam 151 0614 em 151 0615 01 C18 151 0405 C19 151 0405 C20 151 0614 C20 151 0614 01 C20 151 0615 C20 151 0615 01 21 151 0405 622 151 0405 C23 151 0614 C23 151 0615 01 C25 151 0613 C26 151 0610 C26 151 0620 151 0614 RES CHIP NOT USED RES CHIP RES CHIP 2 RES CHIP 1 RES CHIP 8 RES CHIP NOT USED NOT USED NOT USED CAP CER CP CAP CER CP NOT USED NOT USED NOT USED CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER CP CAP CER
12. 2 476 1332 6 16 RES CHIP 3 1 16W 2 1 400 5135A AC ADAPTOR ACI20V DCIOV 0 85A 476 1103 16 RES CHIP 10 1 16W 5 400 5135 01 AC ADAPTOR AC120V DC10V 0 85A 476 1472 J 16 RES CHIP 4 7KOHM 1 16W 5 400 5135A 02 AC ADAPTOR AC120V DCIOV 0 85A RES CHIP 1KOHM 1 16W 5 253 6923 2 HOLDER MARS RES CHIP 10 1 16W 5 250 5408 FRONT CONNECTOR MARS RES CHIP 2KOHM 1 16W 5 250 5409 REAR CONNECTOR MARS pis 1163 J 16 RES CHIP 16 1 16W 5 600 6323 VIDEO CABLE 2 MONO W CORE 600 6412 A V CABLE 8P 9P W CORE 151 0604 CAP CER CP 50V BK1608 151 0604 CAP CER CP 50V 1608 600 6411 A N CABLE 9P 9P W CORE 151 0410 CAP CER 680PF 50V BK1608 151 0410 CER 680PF 50V BK1608 671 5440 03 BOX amp PACK MARS USA DP WARS 151 0409 CAP 1000PF 50V BK1608 671 5440 02 BOX amp PACK MARS USA DP 8400 151 0413 CP 2200PF 50V KB1608 671 5659 03 amp MARS USA PM 84003 W STAR WARS 151 0409 CAP 1000PF 50V BK1608 671 5659 02 MARS USA 84002 151 0413 CAP 2200 50V KB1608 151 0409 CAP CER CP 1000PF 50V BK1608 671 561 1 02 MA CTN MARS USA 84002 151 0405 CAP CER CP 0 10 16V 221608 671 5611 03 MA CTN MARS USA 84003 W STAR WARS 151 0405 CER CP 0 1UF 16V 2 1608 151 0405 CAP CER CP 0 1UF 16V 670 5874 MANUAL HARD GENESIS 32X USA 151 0405 CAP CER 0 1UF 16V BUSINESS
13. 131 t23 2 7 m gt pr Leu V RES tors EI i pe none Ed ne EDS LU w ams NTSC PAL ors 190 25 1 1 2 19 resti m 18 vo 85 35 tests 106 5 108 108 2 115 e 2 15 io a T Toe 90 5 o0 d 120 Go T SET as we Li 109 109 F so a Les 151 92 2 3 n mo mod E 4 gt ett T T 29 100P oo 17 Li 120P VAD H E F 6 7 4 Schematic Diagram 3 Sub Section No A 05 I goe Ta tm res A tmt Lai eM m ans Tp MIN i ma W His tt PT ot GI id AS 18
14. 200 90 MINI DIN CONN 9 TCS7913 43 MINI DIN CONN 9P C 59200 90 CONN DC JACK EIAJ3 HEC3100 CONN DC JACK EIAJ3 060086 RES CHIP 0 OHM 1 16W RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP PEAKING COIL LALO3 PEAKING COIL 12UH ELEPK120KA PEAKING COIL 12UH 14103 PEAKING COIL 10UH LALO3 PEAKING COIL 10UH ELEPK100KA PEAKING COIL 100UH PEAKING COIL 82UH LALO3 PEAKING COIL 100UH ELEPKIOTKA PEAKING COIL 82UH ELEPK820KA PEAKING COIL 12UH LALO3 NTSC 12UH Circuit BBE BB 37 Parts No 180 5157 180 5141 180 5141 01 180 5148 271 0007 271 0007 477 0170 477 0170 02 477 0170 477 0170 02 482 5126 313 5321 230 5187 230 5191 416 1750 J 476 1750 J 476 1822 J 416 1302 J 416 1822 4 476 1750 J 1 476 1750 476 1330 J 476 1330 J 16 476 1330 J 16 416 1161 J 16 416 1161 J 16 416 1161 J 16 NOT USED 416 1302 J 16 416 1431 J 16 416 1561 J 16 416 1122 J 16 416 1681 J 16 416 1102 J 16 NOT USED 476 1102 J 16 NOT USED 476 1750 J 16 476 1000 J 16 NOT USED 476 1101 J 16 NOT USED 476 1103 J 16 476 8R13 J 01 476 1561 J 16 Description CHOKE COIL 300UH CHOKE COIL 330UH LHL13TB331K CHOKE COIL 330UH EMI FILTER STX222MB FILTER STX222NB R PK CP 8 10 1 16W 5X W C R PK CP 8 amp 10 1 16W 5 R PK CP 8 amp 10 1 16W 5 R PK 8 10 1 168 5 H C XSTR 2501623 L
15. 4 L eor mes u 109 A 85 741004 FBG VAL ONLY NTSC 0 1 2 ant ams GO Doi HVSYNC 6 USE I T9 T ain one Each oat a 1075 A CUT 21013 000 1 m TM TM 29 1 eee pes CARD EDGE ME 64 314 RE EU TRE OAT a WSE Lid EU Wo 11AS0 7 3 Schematic Diagram 2 Main Section 2 2 PARTS Wo C96 097 315 0922 315 09224 1010841709528 55 49 100641709528 vee Le IJ 167 163 3b TUA
16. 5 7 CHIP XSTR 2501623 15 7 CHIP XSTR 2501623 L5 7 CHIP XSTR 2501623 15 7 CHIP FX401 XTAL 3 579545MHZ 20PPM XTAL 4 43361875MHZ 20PPM RES CHIP 75 OHM 1 16W 5 RES CHIP 75 OHM 1 16W 5 RES CHIP 8 2KOHM 1 16W 5 RES CHIP 3KOHM 1 16W 5 RES CHIP 8 2 1 16W 5 RES CHIP 1 16W 5 RES CHIP 8 2 1 16 5 RES CHIP 10 1 16W 5 RES CHIP 8 2 1 16W 5 RES CHIP 1 16W 5 RES CHIP 330 OHM 1 16W 5 RES CHIP 330 OHM 1 16W 5 RES CHIP 4 7KOHM 1 16W 5 RES CHIP 10 OHM 1 16W 5 RES CHIP 2 2 1 16W 5 RES CHIP 75 OHM 1 16W 5 RES CHIP 75 OHM 1 16W 5 RES CHIP 75 OHM 1 16W 5 RES CHIP 75 OHM 1 16W 5 RES CHIP 75 1 16W 5 RES CHIP 75 OHM 1 16W 5 RES CHIP 33 OHM 1 16W 5 RES CHIP 33 OHM 1 16W 5 RES CHIP 33 OHM 1 16W 5 RES CHIP 160 OHM 1 16W 5 RES CHIP 160 OHM 1 16W 5 RES CHIP 160 OHM 1 16W 5 NOT USED RES CHIP 1 16W 5 RES CHIP 430 OHM 1 16W 5 RES CHIP 560 OHM 1 16W 5 RES CHIP 1 2 1 16W 5 RES CHIP 680 OHM 1 16W 5 RES CHIP 1KOHM 1 16W 5 NOT USED RES CHIP NOT USED RES CHIP 75 OHM 1 16W 5 RES CHIP 0 OHM 1 16W NOT USED RES CHIP 100 OHM 1 16W 5 NOT USED 1 16W 5 LE ale 8 RES CHIP E OHM 1 16 5 9 4 Accessories Package List Circuit Parts No No Parts No Description 476 8221 J 01 RES CHIP 220 OHM 5 9 4 1 USA CANADA 476 1103 6 16 RES CHIP 1 16W
17. 6W FB6 271 0092 BEADS INDUCTOR CP BK1608HS121 1 180 5137 01 P COIL CHIP 100UH ELJFATOTKF u 180 5137 02 P COIL CHIP 100UH LEM3225T101K LI 180 5137 03 COIL CP 100UH NL322522 101J LI 180 5137 CHIP INDUCTOR 100UH 10 RI 201 029 000035 08 B TITE SCR BLK 3X10 202 029 000034 B TITE SCR PH 3X8 203 029 000047 B TITE SCR PH 3X16 204 029 000048 0B B TITE SCR PH BLK 2X6 180 5137 01 P COIL CHIP 100UH ELJFAIOTKF 180 5137 02 P COIL CHIP 100UH LEM3225T101K 180 5137 03 P COIL 100UH NL322522 101J 180 5137 CHIP INDUCTOR 100UH 10 AN 411 0115 R PK CP 4 10KOHM 1 8 5X VAI 477 0175 01 R PK CP 4 10KOHM 1 84 5 471 0175 02 R PK CP 4 10KOHM 1 84 5 VAI 411 0115 R 44 CP 4410 1 84 55 477 0175 01 R PK 4 10KOHM 1 88 5 VAI 411 0115 02 R PK CP 4310 1 84 5 VAI 411 0115 R PK CP 4 10KOHM 1 84 5 VAI 471 0175 01 R PK CP 4410 0 1 84 5X VAI 471 0175 02 R PK CP 4s10KOHM 1 88 5 VAI 477 0175 CP 4s10KOHM 1 84 5 VAI R PK 471 0175 01 R PK CP 4 10KOHM 1 84 5 VAI 4T1 0175 02 R PK CP 4 10KOHM 1 84 5 VAI i NOT USED NOT USED BBB RRR BBE 5555 Note 1 ASIA PAL 2 USA CANADA 3 PAL 6 1 4 CANADA 35 Parts No 476 1103 J 16 R3 476 1302 J 16 R4 NOT USED R5 476 1302 J 16 R6 476 1181 J 16
18. 75 Dos te AN IN JACK To GENESIS or MEGA DRIVE CN6 as T ge M i e XOIFFERENCE TABLE FOR DLAGRAN 3 e Tenor HE CIA ra 0 If Lc ET 2 15 10021 32H CS eme 3 xi 35756 6 43561875 eme cre 4 R40 560 430 any CIE CARTRIDGE IK NOT USED 285 NOT USED ik m tu 17 dp en 15 tt CI06 tiie C75 SOP ATP Sint INEC 1013 100 0 WI 105 125 a 16C3126 010010 E 1 Oc IN 2 3 CT 3 13 1 vec wr Le Q5 4 Dim Lin B 1 rf er 91 1 cmt SET LI 125 FBI T s i EIC T T r mm T Circuit Board Diagram 2 Sub Board BEgi ag ggg ge A 5 t 4887 10 5 leg k 8 83 8 P d i
19. 8 09 SET 32X SWE 84204 PM A 671 5610 05 CTN MD 32X ASIA 84204 151 0405 CAP CER 0 1UF 16 ZF1608 151 0612 CAP CER 470PF 50V CH1608 671 5438 08 MD 32X MUL OP 151 0405 1 ZF1608 671 5658 08 WD 32X MUL 84204 PM B 1 151 0405 CAP CER 0 1UF 16V ZF1608 Seo 3 J xm 594 55 CAP CER 2F1608 671 5610 05 MD 32X ASIA 84204 151 0405 151 0405 CAP CER CP 2F1608 671 5438 02 32X 84203 DP E F 6 151 0405 ZF1608 671 5658 02 32X MUL E 6 151 0405 671 5610 02 32X MUL 84 IC E F 6 151 0405 151 0405 671 5438 01 MUL 84201 DP D E 151 0405 CAP CER CP 671 5658 01 MUL 84201 PM F 671 5610 01 IL 84201 DEF eooooo ooo 55455 555 ss S FEE FEE en ina 5 88 3 32 NOT NOT USED 151 0620 CAP CER CP 03 INFOR SHEET CONTENTS 32X 84204 A B WARRANTY CARD OZ MD 32X AUS C WARRANTY CARD 071 MD 32X NZL E GUARANTEE CARD SOE MD 32 D F 6 POLY BAG 260432040 05 EXP 6 POLY BAG 260231020 05 EXP 6 Note A PAL B NTSC Description Parts No Description SGM 4217 SGM 4245 SGM 4282 670 6561 670 6697 POLY BAG 2003000 05 EXP 6 POLY BAG 200 310 0 05 EXP 6 POLY BAG 951650 03 INFOR SHEET SET UP 32X MUL B D F INFOR SHEET SET UP 32X 507 C
20. 81 0149 01 150 0023 150 0023 150 0023 150 0062 150 0062 150 0062 150 0062 150 0062 150 0009 150 0159 150 0009 150 0047 150 0062 150 0159 150 0484 150 0498 150 0047 150 0047 210 5086 209 5026 209 5061 209 5063 209 5076 209 5076 212 5364 212 5364 01 212 5364 212 5364 01 212 5353 212 5353 01 476 1000 J 476 1000 J 476 1000 J 476 1000 J 476 1000 J J 476 1000 476 1000 J 476 1000 J 180 5059 180 5158 180 5059 180 5147 180 5159 180 5060 180 5151 180 5157 180 5160 180 5059 Note A 1 1 1 1 1 1 1 1 6 6 6 6 6 6 6 6 PAL Description Board IC CUSTOM CP BA6166FS SOP IC BA7237FS IC BA7237FSA 1 MC34063A SOP 8P IC IR3MO3AN SOP 8P PST993E DIP 1 74HC74 SOP 225MIL IC 741500 SOP 225MIL DIODE 158139 100 62 AXIAL DIODE 152473 RADIAL 10UF 16V U TYPE 20 10UF 16V U TYPE 20 10UF 16V U TYPE 20 ATUF 10V U TYPE 4TUF 10V U TYPE 4TUF 10V U TYPE ATUF 10V U TYPE 47UF 10V U TYPE CAP E 50V U TYPE 20 CAP E 220UF 16V U TYPE CAP E 1UF 50V U TYPE 20 CAP E 100UF 10V U TYPE CAP E 4 10V U TYPE CAP E 220UF 16V U TYPE CAP E 470UF 10V U TYPE CAP 05 100UF 10V 20 UAM CAP E 100UF 10V U TYPE CAP E 100UF 10V U TYPE COMMON FILTER CMO4RCOIT EDGE CONNECTOR 64P EDGE CONNECTOR 64P PSB4D32K 7R EDGE CONNECTOR 64P FFC CNN 40P SOP FFC CNN 40P SOP MINI DIN CONN 9P TCS7913 43 MINI DIN CONN 9P C MD S9
21. AL 1 1 837 10924 1C BD MARS VAO NTSC 2 1 837 11292 01 BD MARS VAT NTSC 4 315 0922 HD6417095F23 1 837 1533 1C BD MARS ASIA NTSC t Ici 315 0922 HD6417095F28 QFP 315 0998 1C HD6417095SF28 OFP 1 1 837 11293 01 IC BD MARS VAI MAIN 3 4 1 1 8317 10925 1C BD MARS VAO MAIN 2 315 0922 HD6417095F23 QFP 1 1 837 11534 IC BD MARS VAI MAIN JPN ASIA 1 102 315 0922 HD6417095F28 OFP 1 2 837 10928 01 1 BD MARS VAI PAL SUB 1 3 102 315 0998 1C HD6417095SF28 1 2 837 10926 1 BD MARS NTSC SUB 2 4 1 3 600 6413 FFC 40P_L 70NM 163 315 0910 12 1 UPD450216165 A12 TSOP 1 4 270 5092 FERITE CORE BP53RD065270080M 103 315 1013 1C UPD450216165 VDPI MARS TSOP 2 610 5714 ASSY TOP CASE MARS JPN 1 104 315 5818 1 CUSTOM CHIP G A MARS 1 F 2 610 5765 ASSY TOP CASE MARS USA 2 104 315 5818A IC CUSTOM CHIP 5 MARS 2 610 5800 ASSY TOP CASE MARS EXPORT 3 165 315 5805 IC CUSTOM CHIP MARS ADSE 2 1 253 6902 TOP CASE MARS 2 1 253 6902 02 MARS USA 2 1 6 315 5781 CUSTOM 6 MARS 2 1 253 6902 01 TOP CASE MARS EXPORT 3 1C6 315 5781 IC CUSTOM SCA MARS VDP 2 2 253 6906 COVER MARS 17 315 0745 80 TC511664BJ 80 50 315 0961 80 LC321664AJ 80 50 2 3 4 253 6907 DOOR MARS 315 0962 80 IC LC321664AM 80 SOP 2 3 253 6908 FRON
22. AL BUS I3 WATCH DOG TIMER 16 bit FREE RUNNING TIMER SERIAL COMMUNI CATIONS INTERFACE OPERATION MODE ONTROLLER IC3 2Mbit SDRAM IC UPD4502161G5 A12 TSOP Parts No 315 0910 12 Top View Description Pin Name Function CLK is the master clock input pin The other inputs signals are referenced at CLK rising edge CS low start the command input cycle When CS is high all input are not referenced But even if CS is high internal operations i e bank active or burst are not changed RAS CAS WE have the same names with conventional DRAM But these pins have deferent definitions with conventional ones All of these pins on y define command cycle definition For detail information see command table Row address AX0 AX6 is determined by A0 A8 input signal level at the Al rising edge CLK signal at the bank active command cycle state of AX7 is not applicable 2 Column address AY0 AY7 is determined by A0 A7 input signal level at a read or write command cycle The column address will be used as the burst access start address A4 _ A8 define precharge mode Precharge command cycle 5 Low Both bank precharged A8 High bank prechartged depends state 9 Read write command cycle A7 A8 High Precharge cycle is started automatically following the end of data transfer in burst mode
23. CP CAP CER CP CAP CER CP CAP CER CP Description RES CHIP 10 1 16W 5 1 16 5 1 16W 5 RES CHIP 180 OHM 1 16W 5 RES CHIP 13 1 16W 2 TKOHM 1 16W 2 GKOHM 1 16 2 2KOHM 1 16 5 2KOHM 1 16W 5 RES 4 7KOHM 1 6 5 0 1UF 16 ZF1608 68PF 25V CH1608 4 TUF 10V 73216 4 TUF EMK3IGFAT5Z VAI 3 3UF 16V ZF3216NEC 3 3UF 16V 23216TOKI 0 1UF 16V ZF1608 4 TUF 10V ZF3216 4 TUF EMK3IGFA75Z VAI 3 16V ZF3216NEC 3 16V 23216 0 0 1UF 16V 7 1608 0 1UF 16V ZF1608 ATOPF 50V CH1608 4 TUF 10V ZF3216 4 TUF EMK316F475Z VAI 3 3UF 16V ZF3216NEC 3 3UF 16V 23216 0 0 16V 221608 ATOPF 50V CHI608 4 TUF 10 73216 4 TUF 6 4752 VAI 3 16V ZF3216NEC 3 16V 23216 0 lt VA1 gt 0 1UF 16V ZF1608 4 TUF 10V ZF3216 4 TUF EMKSIGFAT5Z VAI 3 16V ZF3216NEC 3 3UF 16V 23216 0 0 1UF 16V ZF1608 0 1UF 16V ZF1608 4 TUF 10V 7 3216 4 TUF EMK316F475Z VAI 3 3UF 16V ZF3216NEC 3 16V 23216 0 0 16V 221608 0 1UF 16 221608 4 10 ZF3216 4 TUF 6 752 VAI 3 3UF 16V ZF3216NEC 3 3UF 16V 23216 0 25V CHI608 120PF 25V CH1608 VAO 100PF 50V CHI608 VAI 4 TUF 10V ZF3216 Circuit No
24. D7 99 1 0 ED6 100 1 0 EDS 101 yo ED4 102 yo ED3 103 1 0 ED2 104 1 0 EDI 1 105 10 106 gt VDD 107 VDD 108 VDD B IC7 8 1Mbit CMOS DRAM IC TC511664BJ 80 SOJ TOSHIBA IC LC321664AJ 80 SOJ SANYO IC LC321664AM 80 SOP SANYO Parts No 315 0745 80 Parts No 315 0961 80 Parts No 315 0962 80 E Top View A0 A7 Address inputs 1 01 1 016 Data input outputs RAS Row address strobe CAS Column address strobe uw Upper byte write enable Tw Lower byte write enable Output enable Power supply GND Ground NC Not connected E Description VO2 104 VOID VOi2 LOIS VO 103 VOS 107 VOI VOI3 0015 vss DATA INPUT BUFFER COLUMN DECODER SENSE AMP GATE MEMORY ARRAY 256 x 256 x 16 STRAIGHT BIAS ENERATOR 28 IC9 INVERTER 74AC04 SOP 300MLL HITACHI IC 74AC04 SOP 300MLL TOSHIBA Parts No 314 0623 Parts No 314 0694 Top View E Truth Table 1 10 3PIN REGULATOR IC RHSRL33A Parts No 313 5320 E Top View W Block Diagram Fixed positive voltage regulator 1 11 SOUND NETWORK HEADPHONE IC CUSTOM CP BA6166FS SOP ROHM Parts No 315 5684 Top View 5 RESET OUT 16 REF IN RESET 18 RESET 15 OUT IC12 VIDEO MIX IC BA7237F
25. E LABEL CAUTION MARS MUL C D E F NORTHERN EUROPE AUSTRALIA NEW ZEALAND 0 0 9 4 3 ASIA PAL 400 5209 AC ADAP AL 0 85 1 2 253 6923 M02 HOLD 3 600 6187 VIDEO CABLE n JAP MONO 2M A 4 600 6412 A V CABLE W CORE A 5 600 6411 AN CABLE 9 9 W CORE 6 210 5030 CONVERSION PLUG E 5 7 671 5438 03 B amp P SET 32X ASIA 84202 8 671 5658 03 B amp P SET MD 32X ASIA 84202 PM A 9 671 5610 03 CTN MD 32X ASIA 84202 A 7 671 5438 05 B amp P SET MD 32X ASIA 84204 8 671 5658 05 B amp P SET 32X ASIA 84204 PM B 9 671 5610 05 CTN MD 32X ASIA 84204 B C 0 7 671 5438 10 B amp P SET MD 32X S A 84204 8 671 5658 10 B amp P SET MD 32X S A 84204 PM 7 671 5438 11 B amp P SET 32X KSA 84204 DP 8 671 5658 11 B amp P SET MD 32X KSA 84204 PM 10 672 2161 MANUAL HARD MD 32X ASIA n SGM 4181 POLY BAG 260432020 05 12 SGM 4185 POLY BAG 1602400 05 A ONG KONG ASIA B INGAPORE C SOUTH AFRICA SAUDI ARABIA ISRAEL 39 0 1995 Sega Enterprises Ltd Printed in Japan 50620 6 BLOCK DIAGRAM 32X BLOCK DIAGRAM
26. M 04502161 5 2 m m vo ie Mt vo 103 Fe E om 105 0 Ea poj 7 D M 2 uo 108 vo tos 1010 5 wa DO 1012 Fag Fo os 1013 Hs at seni E E is 4 T A ein a ds SB ARG i 4 000 RESET GO 9 5 30i vec Hi E GD a 2 GO 002 PT om GD d 8 x luc oo FE Ir GD 005 Fig 00 00 nos E vec mw o 16 9012 o ow 17 001 Ob Ob Fie mu 19 15 9065 Lez TII om 2 148 an fs an sou 315 5818 M d E 1 5 1 55 100 Fey 1 z ioi zs 106 Ae EH Bi M 107 5 Po os us Hr ny 108 AB ra ox w 105 2145 suc 1010 905 no EL ton AD M p tus Fo a 08 Sksi ic o ecas bir 28d gc tore X45 amp on 4 1015 _ MA EHE ER 19 D wat onn L 1 ria 2 VK nera Apis 18 21 05 Ws vec Luz vec Ht VOC 015 5 mi 103 7 vec a El Tol NC H dg sk eis oir 125 0 05 Fs ee 4 125 sH Ed Aes rae amp 2 87 Ma 3 vant M Da ET
27. P CER 0 1UF 16V ZF1608 CAP CER 0 16V ZF1608 CAP CER 0 16V ZF1608 CAP CER 0 16V ZF1608 CER 0 1UF 16V ZF1608 CAP CER CP 0 1 16V ZF1608 CAP CER 0 16V 2 1608 CER 4 TUF 10 ZF3216 CAP CP 4 TUF EMK316F475Z CP 3 16V ZF3216NEC CP 3 3UF 16V 23216 CAP CER 4 TUF 10 ZF3216 4 7UF EMK316F475Z CAP CER 3 16V ZF3216NEC CER CP 3 3UF 16V 23216 CER 0 16V ZF1608 CER 0 16V 221608 CER 4 7UF 10V 7 3216 CAP 4 EMK316F4752 CAP CER CP 3 16 ZF3216NEC CER CP 3 3UF 16V 23216 CER 4 7UF 10 ZF3216 CER CP 4 TUF 16 4757 CAP CER CP 3 16V ZF3216NEC CER 3 3UF 16V 23216 0 USED CER CP 100PF 50V CH1608 CAP 100PF 50V CAP CER AXIAL 120PF 50V 50V 100 50V CAP CER 50V CER 100 50V A A AI lt VA1 gt lt VAI gt AI A A1 A A VAI lt VA1 gt A A lt VA1 gt VA0 VA0 A A1 Parts No 315 5684 315 5788 315 5788A 313 5244 313 5335 313 5319 314 0647 314 0646 481 5170 4
28. REPLY MAIL MARS USA 151 0405 CAP CER 0 TUF 16V POLY BAG 260432040 05 EXP 6 151 0405 CAP CER 0 1UF 16V ZF1608 POLY BAG 200 300 0 05 EXP 6 i SGM 4282 POLY BAG 951650 03 670 5777 PERIPHERAL CATALOG GENESIS 32X 151 0432 CAP CER 47PF 50V CH1608 ASSY MARS EXTENSION UNIT 151 0613 CAP CER CP G8PF 25V CHI608 POLY BAG 70518050 04 INFOR SHEET EXTENSION UNIT 151 0430 CAP CER CP 50V CH1608 151 5003 01 CAP CER IMS nM 151 0482 CAP CER CP CH1608 151 0436 CAP CER CP 15PF 50V JCH1608 1 400 5208 ADAP 240V 50HZ 10VDC 0 85A F 151 0619 CAP CER CP 18 CH1608 400 5209 ADAP 230V 50HZ 10VDC 0 85 B D 6 400 5211 AC ADAP 240V DC9V 0 85 C E 151 0432 CAP CER CP 50V CH1608 151 0611 CAP CER CP 56 50V CH1608 610 5473 RF UNIT MD2 MDU UD3631 610 5473 01 RF UNIT 02 4 0 J 16 RES CHIP 0 OHM 1 16W 610 5473 02 RF UNIT MD2 TOWA PAL G I 151 0607 CAP CER CP 0 047UF 16V 1608 610 5493 RF UNIT MD2 PAL B 151 0482 CAP CER CP 2 50V CH1608 253 6923 02 HOLDER MARS 151 0620 CAP CER CP 50 CH1608 250 5408 FRONT CONNECTOR MARS 250 5409 REAR CONNECTOR MARS 151 0607 CAP CER CP 0 047UF 16V BK1608 AN CABLE 8P 9P W CORE C D E F 6 CAP CER CP 0 1UF 16V ZF1608 A V CABLE 9P 9P W CORE CAP CER CP 0 1UF 16V ZF1608 CAP CER 0 16V 21608 671 5438 09 B amp P SET 32X SWE 84204 DP A 151 0405 CER 0 1UF 16V ZF1608 671 565
29. S IC BA7237FSA Parts No 315 5788 Parts No 315 5788A Top View Block Diagram 31 SWITCHING REGURATOR IC IC MC34063A SOP 8P Parts No 313 5244 Top View IR3MO3AN SOP 8P Parts No 313 5335 E Block Diagram Drive Collector 8 Switch Collector Sense FH 2 Switch Emitter Timing Capacitor Comparator Inverting Input IC14 RESETIC IC PST993E Parts No 313 5319 Top View E Front View E Block Diagram 1 vec out 1 2 3 GND 1 VCC 2 OUT 3 GND 32 IC15 IC 74HC74 SOP 225MIL Parts No 314 0647 Top View E Logic Symbol Diagram Pin Name IRp 2Rp Function A synchronous reset direct inputs active Low 2 12 I 1D 2D Data inputs I 1CP Clock inputs Low to High triggered by edge 1 155 255 synchronous set direct inputs active Low 10 20 True outputs 6 8 o 10 20 Complement flip flop outputs GND GND 0V Vec IC16 IC 74LSOO SOP 225MIL Parts No 314 0646 Top View 33 Positive supply voltage 9 EXPLODED VIEW amp PARTS LIST 9 1 Exploded View 1 9 2 Mechanical Parts List 9 3 Electrical Parts List Circuit No 9 3 1 Main Circuit Board Parts No Description Parts No Description 837 11294 01 IC BD MARS P
30. T DOOR MARS EXPORT 2 31 2 4 253 6909 0008 2 3 108 315 0745 80 TC511664BJ 80 50 2 5 125 5128 SPRING MARS Ic8 315 0961 80 LC321664AJ 80 S0J 2 6 029 000034 B TITE SCR PH 3X8 1C8 315 0962 80 LC321664AM 80 SOP 3 253 6903 BOTTOM CASE MARS 1 9 314 0694 1 74AC04 SOP 300MIL 4 610 5807 5 FRONT CASE MARS 1 2 3 1610 313 5320 1 RHSRL33A 4 253 6904 FRONT CASE MARS 4 2 250 5410 UNDER PLATE MARS 153 0119 CHIP 47UF 10V CET 153 0119 01 CAP TANT CHIP 47UF 10V 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 153 0119 01 TANT CHIP 47UF 10V 6 253 6599 COVER MD2 EXPORT 209 5076 FFC CNN 40P SOP 209 5076 01 FFC CNN 40 SOP lt VA1 gt 9 610 5338 LABEL MD 32X LOGO ASIA 209 5076 02 FFC CNN 40P SOP AI 9 670 5339 LABEL 32X LOGO MUL 3 209 5076 FFC CNN 40 SOP 10 670 5864 LABEL INDICATION MARS ASIA PAL n 209 5076 01 40 SOP lt VA1 gt 10 670 5341 LABEL INDICATION MARS USA 209 5076 02 CNN 40 SOP A 10 670 5341 01 LABEL INDICATION GEN 32X USA 01 10 670 5341 01A LABEL INDICATION 32X USA O1A 4 FBI 211 0092 BEADS Fae CP telat 10 670 5342 LABEL INDICATION MARS 32X MUL 3 FB2 476 1000 J 16 RES CHIP OHM 271 0075 BEADS 1608 5241 601 7738 TOP SHIELD SPACER MARS FBS 476 1000 J 16 RES CHIP 0 OHM 1 1
31. pment and tools for adjustment 1 Regulated power supply SV DC 2 Frequency counter capable of displaying 7 digits or more 3 10 1 oscilloscope probe 4 Philips screwdriver 5 Non metal adjustment driver 6 AC adaptor excusively for super 32X 7 One lead for GND and two leads for SV Connections of test equipment Regulated power supply Frequency counter AC adaptor excusively B 5795456MHz for super 32X To AC outlet To DC Jack Connect to GND Pattern 32 31 20 17 Sub Board Adjustment procedure 1 Disconnect the super 32X from the Mega Drive 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 SV DC and connect it to IC14 pin 1 The super 32X turns on 5 Connect 5 DC to IC12 pin 31 Set to the test mode 6 Connect the frequency counter to IC12 pin 20 and adjust C72 so the frequency is 3 579545 MHz 10Hz Connect to 10 1 probe to IC12 pin 20 7 2 Circuit Board Diagram Main Board VA0 Z r 38 44 7 2 Circuit Board Diagram Main Board VA1 12 VCC PLL 12 Function Power supply 5 of built in PLL

Sega Genesis 32X Service Manual

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