Sega VA1 Service Manual
Contents
1. poo Vi TW v 1 ini n gt 2 abet del L I IIUIIII j 422474 e s n ne la ln T Hil I bd TBI TTD 21 n RAY 84 47u Bov 47 9 0919 mas 240 A41 0 19 9 010 83 s 8 ad 8 vi 2 T 1 og et 8 5 8 8 3 a vi z lt 4 4 2 2 3 U x o 98 gd 29 pa Mh TNT nin LA 2 gt PRL 2 5 3 DC DC Converter Circuit Board 5 4 Sound Circuit Board For eo eer uu s EES NOT USED 4 CONN CIN I JG 4 0 2 1000 9 2 x E 9V AS Li wi 100 LINE FILTEA sma Swi i GND ahon 8 B cs cs qasa e 3 l 470 0 10 rh i MAA 72 ru A O CD oe ae Ig e m f E 4 kan aaa TDA2822M MINT JACK For A2900 am ahua ciues2. CBA 1XX 837 9025 01P BD GG DC DC USA VAI W SEQ CBA 1XX 1 2 1130 5052 SPKR 8 OHM 0 15W 28CS028003 01 837 9131 01 BD GG DC DC CONV EUROPE 211 1 3 253 6367 SPEAKER HOLDER GG 837 9026 BD GG SOUND USA 1XX 2 610 5213 ASSY BOTTOM CASE GG USA C 837 9026 01P BD GG SOUND USA VAI W SEO CBA 1XX 2 610 5213 01 ASSY BOTTOM CASE GG USA 01 CS C 837 9132 01P BD GG SOUND EUROPE VAT 2XX 2 1 253 6421 BOTTOM CASE GG EXPORT A 253 6422 BLADE COVER GG 2 1 253 6421 01 BOTTOM CASE GG EXPORT 01 C S 012 P02610 0B SCR BLK 2 6x10 2 2 250 5208 BATT BLADE 2P A 012 P00312 TAP SCR PH 3x12 2 3 250 5209 BATT BLADE 2P B 012 00206 SCR PH 2x 6 2 4 250 5210 BATT BLADE 1P C 029 000003 08 SCR LH 3 2 6x 10 BLK 2 5 250 5211 BATT BLADE 1P D 2 6 250 5214 BATT BLADE 1P E 509 5334 RUBBER CONTACT GG 4P 2 2 7 250 5243 SUPPORT PLATE GG 01 509 5435 RUBBER CONTACT GG 4P BALL TYPE 1 3 253 6434 CLEAR PLATE GG INMOLD 509 5335 RUBBER CONTACT GG 1P 601 6428 LCD CUSKION GG 4 253 6363 03 PAD GG 03 CONTACT 2XX 250 5202 BATT BLADE IP B 4 253 6486 PAD GG BALL TYPE 1XX 250 5203 BATT BLADE 1P A 5 1253 6364 BUTTON 1 GG 670 2704 LABEL INDICATION GG USA SMITH 1XX 6 253 6365 BUTTON 2 GG 670 2707 LABEL INDICATION GG MUL SMITH 2XX 7 253 6366 START BUTTON GG 8 253 6368 BATT LID LEFT GG 670 2705
3. Address inputs Output enable input Data in outputs 5V power supply 95 Chip enable 1 2 inputs Ground Write enable input No connection CE OE IC FCB61C65L 70T Block Diagram As As 65 536 BIT As ROW 256 x 256 Ag DECODER MEMORY CELL A10 ARRAY 1 12 DATA m t E I I IC4 Dual Operational Amplifier IC PC358G2 IC NJM2904 01 Top View H Pin Layout 8 5 7 2 DC DC Converter Circuit Board MB3775PF G BND View amp Pin Layout 7 3 Sound Circuit Board IC1 IC TDA2822M Top View amp Pin Layout OUTPUT 1 1 8 INPUT 1 SUPPLY VOLTAGE 2 INPUT 1 OUTPUT 2 3 6 INPUT 2 GROUND 4 5 INPUT 2 Block Diagram 8 EXPLODED VIEW amp PARTS LIST 8 1 Exploded View 8 1 1 Main Assembly 8 1 2 Sub Assembly 8 2 Mechanicai Parts List 8 2 1 Main Assembly Circuit individually Ref Parts No Description N Parts No Description No 0 610 5403 ASSY TOP CASE GG USA ALL A C 837 9024 IC BD GG MAIN USA VAT CBA 1X 1 610 5403 01 ASSY TOP CASE GG USA ALL 01 C S C 837 9024 01P BD GG MAIN USA VAI W SEO CBA 193 837 9130 01P BD GG MAIN EUR VAI W SEQ CBA 2XX 1 1 253 6420 91 CASE GG ALL 4 1 1 253 6420 01 91 TOP CASE GG EXPORT 01 ALL LC SC 837 9025 IC BD GG DC DC CONV USA
4. m 270 321 _ _ D6 poer USED 4 SE 9 5 CONN P FOR GG 0 4 UIBC44 s vsu DC JACK EX 3660 FT 4 i a D JV JG DV sp FBA04VA4504B 00 2 CONN 9 a SY 1 ga I a L ce jJ R7 C1 110K 1 0 680 TANT 9 19 cs 2501623 22U 35v G1 254812 AS 4 3K 1 MB3775PF 2581301 ZO or CONN SP FOR GG Ria 1 A15 6 8K 1 6 2 DC DC Converter Circuit Board AC120V area 6 CIRCUIT BOARD DIAGRAMS le w Top View DC DC CONV IC 8D GG Bottom V a rad Ge NATO UE TITETTY ti la A ag esa 2 Pu Tec vil anmi OHO L uA lt 4 3 T st L x ld ix ANC NI 300 56063006 IVA YSN 99 08 51 NR q e x p SI utc m 6 1 Main Circuit Board 120 area t Board 120 area ircui Top Sound C 6 3 4 6 _ 888850 A RES pe iew Bottom V GN Beer Yi UEM ZUR TT SN ae IN n gt 169 Noe
5. INR CTN GG CAN 2122 22 MK 2122 CANADA INR CTN GG CAN 2100 PM MK 2100 CANADA INR CTN GG CAN 2131 PM MK 2131 CANADA 16 16 NOTE 671 1362 671 3857 671 3862 671 3941 671 2370E 671 3760 671 3766 671 3778 671 2370 02 671 3788 671 3800 671 1363 671 1893 671 3858 671 3863 671 3942 671 1917 671 1918 672 0422 02 672 0422 22 672 0422 22F 672 0422 5 672 1041 672 0423 672 0646 672 0972 672 0972 22 672 0423 50 672 0646 50 672 1063 50 ACCESSORY PROVIDED MODEL NO MK 2100 SONIC CARTRIDGE SONIC2 CARTRIDGE COLUMNS CARTRIDGE 4 IN 1 CARTRIDGE AC ADAPTOR NO YES NO NO NO NO NO YES YES NO NO NO NO NO NO NO INR CTN GG MULT 2180 MK 2180 Except USA 8 CANADA INR CTN GG MULTI 2100 PM MK 2100 Except USA 8 CANADA INR CTN GG MULTI 2184 PM MK 2184 Except USA 8 CANADA INR CTN GG MULT 2180 PM MK 2180 Except USA 8 CANADA CTN GG USA 2122 E MK 2122 USA CTN GG USA 2100 PM MK 2100 USA MA CTN GG USA 2121 PM MK 2121 USA GG USA 2131 PM MK 2131 058 GG CAN 2122 22 MK 2122 CANADA CTN GG CAN 2100 MK 2100 CANADA MA CTN GG CAN 2131 2131 CANADA MA CTN GG MULTI 2180 MK 2180 Except USA 8 CANADA MA GG PLUS MULT 2182 2182 Except USA 8 CANADA MA CTN GG MULTI 2100 PM MK 2100 Except USA 8 CANADA MA CTN GG MULT 2184 PM MK 2184 Except USA 8 CANADA
6. 151 0291 151 0263 151 0263 151 0263 151 0263 151 0263 151 0263 151 0263 151 0328 151 0328 151 0265 150 0308 150 0420 151 0309 151 0265 150 0307 151 0265 150 0318 151 0265 150 0319 151 0265 151 0265 151 0271 151 0271 150 0317 150 0317 151 0270 151 0270 151 0286 Description RES CHIP 1 8K OHM 1 10W 5 RES CHIP 1 8K OHM 1 10W 5 RES CHIP 1K OHM 1 10W 5 NOT USED W SEQ E CHIP 33UF 6 3FC33D8 NOT USED NOT USED CAP E CHIP 10 6 3FC10B6 CAP E CHIP 10UF 16V 20 UUSTATO0MCZ2GH NOT USED CAP CER CP 68PF 50V J CH 2125 CER CP 0 33UF 16V ZF 2125 CAP CER CP 0 33UF 16V ZF 2125 CAP CER CP 0 33UF 16V ZF 2125 CAP CER CP 0 33UF 16V ZF 2125 CAP E CHIP 1006 6 3V MF6 3FC10B6 CAP E CHIP 10UF 16V 20 UUSIATO00NCZ2GH CAP CER CP 0 022UF 50V ZF 2125 CAP CER CP 0 1UF 25V ZF 2125 CAP E CHIP 100 6 3V MF6 3FC10B6 CAP E CHIP 10UF 16V 20 UUSTAT00MCZ2GH CAP CER CP 0 10 25V ZF 2125 CAP CER CP 0 1UF 25V ZF 2125 CAP CER CP 1200PF 50V K B 1608 CAP CER CP 39PF 50V K SL 1608 CAP CER CP 39PF 50V K SL 1608 CAP CER CP 39PF 50V K SL 1608 CAP CER CP 39PF 50V K SL 1608 CAP CER CP 39PF 50V K SL 1608 CER CP 39PF 50V K SL 1608 CAP CER CP 39PF 50V K SL 1508 CAP CER CP 39PF 50V K SL 1608 CAP CER CP 39PF 50V K SL 1608 CAP CER CP 39PF 50V K SL 1608 CAP CER CP 39PF 50V K SL 1608 CAP CER CP 39PF 50V K SL 1608 CAP CER CP 39PF 50V K SL 1608 CAP CER CP 39PF 50V K SL
7. ADDRESS BUS DATA BUS CONTROL BUS VIDEO DISPLAY PROCESSOR AC200V SOKHZ Eme WEI CONVERTER INVERTER CIRCUIT i I 1 1 l l 1 l 1 T5Vy 1 N N SOUND ANALOG x i 5 MAIN CLOCK 5V N DATA BUS 32 215905 C VS CONN ez gt MHz CONTROL PAD NN S 7 54 7 45 CARTRIDGE SLOT DATA BUS CELL ARRAY LCD DRIVER 2 CONTROL BUS CONTROL BUS cco UNIT 020 POWER SUPPLY 45 34V 7 AA 0 UNIT ko 7 A lt x LCD DRIVER MEA 7 SOUND ANALOG DATA ANNI SESS SSS Q HI II IIIINSIIXIIIIKOUVS 2 I 4 7 A CCLK CONTROL 7 1 x 145 CARTRIDGE SLOT CONNECTOR 1 2 3 4 S DC DC CONVERIER BOARD lt INTERNAL 6 BATTERIES EXTERNAL AC ADAPTOR BATTERY PACK 6 E SOUND BOARD SPEAKER 0 15W 8 OHM MONAURAL 6 8 5 SCHEMATIC DIAGRAMS 5 1 Main Circuit Board 1 lt MAIN 2 2 gt SND R SPON ERE I SO j n 1 l _ Jay 95v BY 8 amp 3 4 4900 48 00 BY NC 10 lt CALL mai ca CL1B3 A7 A US
8. CAP CER CP 0 JUF 25V ZF 2125 CER CHIP 0 47UF 16V 2 F 6500 CAP TANT CHIP 106 16V 20 F931C CAP TANT CHIP 1UF 16V SVAIC105M1 8R CAP TANT CHIP 10V SVATATOSMI CAP TANT CHIP 1 16V 20 F931C CAP TANT CHIP 1UF 16V SVAICIOSMI BR CAP TANT CHIP 10V SVATATOSMI CAP CER CP 0 10 25V ZF 2125 CAP TANT CHIP 16V 20 F931C CAP TANT CHIP 16V SVA1C105MI 8R CAP TANT CHIP 10V SVATATOSMI CAP CER CP 8200PF 50V KB 2125 CAP CER CP 8200PF 50V KB 2125 CAP TANT CHIP 10 16V 20 19310 CAP TANT CHIP 106 16V SVAIC105M1 8R CAP TANT CHIP 10V 105 1 CAP E CHIP 100UF 6 3V MF6 3FC100D13 CAP MP 0 1UF 100V 10 CER 270PF 2KV SL MURATA CAP CER 270PF 2KV SL MURAYAMA CAP CER CP 0 0220 SOV ZF 2125 CAP CER CP 0 022UF 50V ZF 2125 CAP CER CP 0 022UF SOV ZF 2125 8 3 2 DC DC Converter Circuit Board 313 5140 A 482 5125 482 5126 482 5130 481 5111 481 5071 481 5071 NOT USED 210 5078 210 5062 C MB3775PF G BND SOP FUJITSU XSTR 25 812 5 7 CHIP XSTR 2561623 L5 7 CHIP XSTR CHIP 2SB1301 ZQ OR ZP NEC DIODE CHIP 18644 TOSHIBA DIODE CHIP HRF 22 HITACHI DIODE CHIP HRF 22 HITACHI NOT USED CONN DC JACK EIAJ W SW HOSHIDEN 1XX CONN DC JACK W SW LGP4013 0300 2 22 Ah 85 83 9 talsi 212 5355 510 5028 180 5071 180 5072 180 5083 271 0041 271 0041 01 271 0041 271 0041 01 476 2333 J 10 476 2273 J 10 4
9. CAP E CP 47UF 4V MVAVC47 CAP E CHIP 47UF 4V UWXOGATOMCR CAP CER CP 0 1UF 25V ZF 2125 CAP E CP 47UF AV MVAVC47 CAP E CHIP 47UF 4V UWXOG470MCR CAP CER CP 0 10 25V ZF 2125 LINE FILTER 50 103 1 TOKIN LINE FILTER CMOARCO2T 0 1 120 area 2 AC230V 240V area 28 Circuit No Parts No Description 8 4 Tar s List Parts No Description Parts No Description 1 1 400 5050 400 5109 2 x 400 5204 601 6499 610 5343 610 5365 670 0332 01 670 0364 27 670 0863 02 670 1440 670 2582 670 1523 670 1564 04 670 4106 670 1513 670 1629 01 670 2401 510 2157 02 670 3327 670 2778 670 2779 670 2116 670 4206 671 1270 02 671 1892 02 671 3757 671 3763 671 3775 671 4664 671 3785 671 3790 671 3797 671 3856 671 3861 671 3919 671 3940 671 2369E 671 3759 671 3765 671 3777 671 2369 02 671 3787 671 3799 AC ADAPTOR AC240V DC9V 1 AS AUSTRALIA AC240V DC9V 0 85 BS U KUWAIT ADAPTOR AC220V DC 10V 0 85 EXCEPT U K KUWAIT USA amp CANADA STRAP GG PACKING GG PLUS TRAY amp LID MK 2182 AUSTRALIA KUWAIT SAUDIARABIA amp SPAIN PACKING TRAY GG EXPORT SET MK 2180 SPAIN SEAL 6 PREZIOS ITALY 01 MK 2100 2182 2184 ITALY BAR CODE SEAL MULTI 2180 MK 2180 SPAIN MEMBERSHIP CARD SWEDEN 02 SWEDEN STICKER GG USA MK 2100 USA STICKER INCL COLUMNS
10. Carefully check and remove dust inside clear plate and top case using air gun in a clean place Attach each button and rubber contact in its normal position 3 Attach the LCD cushion along to the bosses in the top case 4 Lead the speaker cable outside the bosses of the top case 5 Attach the main board Case 1 After exchange of LCD Take off protective film of LCD Case 2 Others Clean surface of LCD using an air gun 6 Attach the main board inside and along to the bosses of top case Note When setting the main board it is important to attach it as quickly as possible to prevent the adhesion of dust on the surface of the LCD and clear plate 7 Tighten six screws 203 8 Tighten two screws 202 Bottom case reinstallation 1 Correct 2 connectors from the main board to the sound board and 1 connector from the main board to the DC DC converter board 2 Firmly set the bottom case to the top case taking care not to pinch the cables by the edge of the cases Tightening the screws on the bottom case 1 Turn over the unit 2 Tighten six screws 201 3 Tighten the screw 204 4 Attach both battery lids 8 amp 9 4 BLOCK DIAGRAM ICS 102 045646 151 HM65256BLFP 12 MAIN RAM MAIN BOARD 64631 i STATIC 1 CHIP CPU VDP SCA RAM 101 CUSTOM CHIP r gt gt Ji Gan Z80A CENTRAL PROCESSING
11. 1608 CAP CER CP 2200PF 50V KB 2125 CAP CER CP 2200PF 50V KB 2125 CAP CER CP 2200PF 50V KB 2125 CAP CER CP 2200 50V KB 2125 CAP CER CP 2200PF 50V KB 2125 CAP CER CP 2200PF 50V KB 2125 CAP CER CP 2200PF 50V KB 2125 CAP CER CHIP 22PF 50V CH 2125 CAP CER CHIP 22PF 50V CH 2125 CAP CER CP 0 25V ZF 2125 CAP E CHIP 10UF 6 3FC10B6 CAP E CHIP 10UF 16V 20 UUS1A100MCZ2GH CAP E CHIP 22UF 6 MF6 3 2206 CAP CER CP 0 10 25V ZF 2125 CAP E CHIP 4 TUF 35V MF35FCA 706 CAP CER CP 0 1UF 25V ZF 2125 CAP E CHIP 68UF 6 3V MF6 3FC68D10 CAP CER CP 0 10 25V ZF 2125 CAP E CHIP 10007 4V MF4FC100D10 CER CP 0 105 25V ZF 2125 CAP CER CP 0 25V ZF 2125 CER 0 50V ZF 2125 CER 0 01UF 50V ZF 2125 CAP E CHIP 0 47UF 50V MFSOVFCO 4786 CAP E CHIP 0 47UF 50V MFSOVFCO 4716 CAP CER CP 477 50V KSL 2125 CAP CER CP 47PF 50V KSL 2125 CER CHIP 0 47UF 16V ZF GSR 40 NOTE 1 1XX AC120V area 2XX AC230V 240V area Circuit No 59 C60 C61 C61 C61 C62 C62 C62 C63 C64 C64 C64 C65 C66 C67 C67 C67 C68 C69 C70 C70 071 C72 73 Parts No 151 0265 151 0286 153 0085 01 153 0086 153 0090 153 0085 01 153 0086 153 0090 151 0265 153 0085 01 153 0086 153 0090 151 0264 151 0264 153 0085 01 153 0086 153 0090 150 0313 152 0177 151 0272 151 0272 01 151 0307 151 0307 151 0307 Description
12. CTN GG MULT 2180 PM MK 2180 Except USA 8 CANADA PACKING CASE GG MULT NK 2180 SPAIN PACKING BOARD GG MULT MK 2180 SPAIN INSTR MANUAL GG USA 02 USA INSTR MANUAL GG CANADA E CANADA INSTR MANUAL GG CANADA F CANADA INSTR MANUAL GG MUL EPILESY Except USA CANADA amp SAUDIARABIA INSTR MANUAL KSA SAUD ARABIA PLAY INSTR GG USA COLUMS USA PLAY INSTR GG USA SONIC H H USA PLAY INSTR GG USA SONIC2 USA PLAY INSTR GG SONIC2 CAN CANADA PLAY INSTR GG COLUMNS MULTI Except USA PLAY INSTR GG SONIC H H MUL Except USA amp CANADA PLAY INSTR GG 4 IN 1 MUL Except USA amp CANADA NO YES NO NO NO NO NO NO 1993 Sega Enterprises Ltd Printed in Japan 1 31209
13. GG ITALY MK 2100 ITALY INFOR SHEET GG CANADA WK 2100 CANADA BUSINESS REPLY MAIL GG USA O4 USA BUSINESS REPLY CARD SOC MK 2122 2131 CANADA WARRANTY CARD GG CANADA MK 2100 CANADA WARRANTY CARD GG ITA 01 ITALY GUARANTEE CARD SOE GG ESP SPAIN GUARANTEE CARD GG SOE 02 SEGA OF EUROPE WARRANTY CARD OZISOFT AUS AUSTRALIA EPILEPSY WARNING SHEET USA USA EPILEPSY WARNING SHEET MULT MK 2100 CANADA GAME CATALOG GG USA MK 2122 2131 CANADA PERIPHERAL CATALOG GG USA MK 2122 2131 USA amp CANADA BOX GG MULT CE SMITH 02 MK 2180 SPAIN BOX GG W AC MULTI CE SMITH 02 MK 2182 KUWA IT SAUDIARABIA SPAIN BOX 8 PACK SET GG 2100 PM MK 2100 USA BOX 5 PACK SET GG 2121 PW MK 2121 USA BOX 5 PACK SET GG 2131 PM MK 2131 USA BOX 5 PACK SET GG 2122 PM NK 2122 USA BOX amp PACK SET GG CAN 2100 PM MK 2100 CANADA BOX amp PACK SET GG CAN 2122 PP MK 2122 CANADA BOX amp PACK SET GG CAN 2131 PM MK 2131 CANADA BOX amp PACK SET GG MUL 2100 PM MK 2100 Except USA amp CANADA BOX amp PACK SET GG MUL 2184 PM MK 2184 Except USA amp CANADA BOX amp PACK SET GG MUL 2182 PP MK 2182 Except USA CANADA AUSTRALIA KUMAIT SPAIN amp SAUDIARABIA BOX amp PACK SET GG MUL 2180 P 2180 Except USA 8 CANADA INR CTN GG USA 2122 E MK 2122 USA INR CTN GG USA 2100 PM MK 2100 USA INR CTN GG USA 2121 PM MK 2121 USA INR CTN GG USA 2131 PM MK 2131 USA
14. LABEL SER NO GG 9 253 6369 BATT LID RIGHT GG 10 253 6378 POWER KNOB GG 11 253 6401 CONN COVER GG l The insides of the top and bottom cases are coated with aluminum or given a conductive surface treatment 12 837 7841 01 ASSY IC BD GG USA W SEQ 1 XX Combine the top and bottom cases with the same coating 12 837 7994 ASSY BD GG EUROPE W SEQ 292 top case coated with aluminum and a bottom case with a conductive surface treatment or vice versa cannot be used 13 837 9023 IC BD GG USA VA W SEO CBA 1 in combination 13 837 9023 01P 8D GG USA W SEQ CBA XX 2 gt ACI20V area 2XX AC230V 240V area 13 IC BD GG EUR VAI W SEQ CBA 2XX 3 The MAIN DC DC conv and SOUND boards cannot be ordered 8 2 2 Sub Assembly Parts No Description 293 6370 253 6380 012 P00206 090 0050 090 0048 SPREAD PLATE GG REFLECT COVER GG TAP SCR PH 2x6 POLY FILM 6335 TAPE GG FL LIGHT GG BACK LIGHT ELEBAM ASSY LCD 3 27 COLOR GG CITIZEN FL LIGHT PROTECTOR GG 390 5309 390 5311 601 6541 NOTE Please place order of POLY FILM in units of rolls One rol of POLY FILM can be used for approx 300 Game Gear units Heo the Circuit No L2 and T of the same manufacturer al Parts List Circuit Board No Description IC CUSTOM CHIP GG OFP 144P 1 IC HM65256BLFP 12 SOP 282 HITACHI 6 4 IC UPD4364G 15L SOP 28 NEC 5 IC KM6264BLG 12 SOP 28 SAMSONG 4 I
15. from a12V car battery Car Adaptor Input DC10 57V 16V Output DC9V 800mA 9V 3W ACI20V area 10V 3W AC220V 240V area Temperature 0 40 Humidity 10 80 no condensation Dimensions 210 W X 113 D x 39 H mm Memories SEGA custom LSI 1 chip CPU VDP SCA 160 X 146 dot matrix 32 on screen colors displayed from a palette of 4096 colors 64 sprites on screen with dimensions of 8 X 8 dot or 16 X 16 dot P displayed from a palette of 4096 colors Maximum of 448 defined types possible Scrolling Directions Horizontal vertical diagonal Specifications Scrolling Screens Display capability Design and specifications are subject to change without notice 2 IDENTIFYING PARTS 2 1 Front amp Top Views of Console Power Light POWER Color LCD TV Display Start Button START Brightness Control Directional Button BRIGHT PAD GG i Speaker Button 1 amp 2 Volume Control VOLUME L 97 A KLUM Headphone Jack PHONE Power Switch POWER Power Input Jack Gear to Gear Cable Input EXT 2 2 Bottom View of Console Cartridge Slot CARTRIDGE Battery Compartment Cover BATT LID LEFT GG Accessory Screwhole Battery Compartment Cover BATT LID RIGHT GG Note Names of parts in brackets are used in the parts list 2 3 Accessories Game Cartridge AC Adaptor Provided
16. i 41 _ 574 2 gt Oz see 1916 2 Cu LOT A 24 C3 R3t 22 CN a e ai Now Ri lt lt cs ae A gt m x U Bees o Qn a dies MIF ac 80 66 SOUND VAI EUROPE 5 1 lt at n x i A i KEE 6 3 e wt 1 lt AU ONE o E MEE id us si 3 3 E De See Bi 222 123456789101112 pete 52 MAN i A 1 2 z 1 dese 1 yan 2 A 21 A EN DR yta ne lt lt 2 M ua ur i uw Si ADE an JAPAN 17 40 7 PARTS SPECIFICATIONS 7 1 Main Circuit Board Custom Chip GG QFP 144P M Top View 108 73 109 114 Description No Pin Name IC2 IC HM65256BLFP 12 Top View amp Pin Layout 1 WE Vcc GND Operation Mode Data in outputs Chip enabie input Output enable input Write enable input 5V OV Block Diagram sH 10 zs 1 E TEHING PULSE En READ WRITE CONTROL Baz x IC3 IC 4 PD4364G 15L IC MB8464A 10LL Top View amp Pin Layout 2 01 Vcc C CE GND WE NC High Z
17. tal te lew n Uu m m w Bottom View p E E gt Vv v apti D ur ki ER A AA 7 TN a D uve z lt Sk dii 15221 NES MET 1234 fff 1 A La 1234 Om er A j jh 566 2 2 12345678910412 779 3 amp SAN AES tA PA w 4 ii 1964 3135 a a T 4 w gt IURI 7 ERR FOTOS man 4 X 8 il r 7 i dd i L 3 JEE oun v 4 par P an AA T Wt KIEL n WE o SILE prn wer 6 4 Main Circuit Board AC230V 240V area 6 5 tan Board 0V 240V area Top View Top View BT IC 80 GG DC DC EUROPE EUROPE MADE IN JAPAN 964 E 35 se m get 837 9130 IC BD GG MAIN V I Bottom View M33 _ 29 30 2 mai Ove M27 M26 M25 To D View 1 Ci U gt I p 7
18. 16 2102 J 10 416 2392 J 10 416 2222 J 10 416 2102 J 10 416 2114 F 10 416 2432 F 10 476 2473 4 10 476 2333 J 10 476 2123 J 10 476 0361 J 04 476 2221 J 10 CONN 9 FOR GG 178094 9 AMP SLIDE SW HSW1805 010010 CHOKE COIL 1 2 FL7H122J CHOKE COIL 68UH TSL1110680K R TDK CHOKE COIL 68UH 90 870 0 SE IBU BEADS INDUCTOR 04 450 00 TAIYO BEADS INDUCTOR 8 01 BEADS INDUCTOR FBAO4VA450AB 00 1 0 BEADS INDUCTOR B O1C AT RES CHIP 33K OHM 1 10W 5 RES CHIP 27K OHM 1 10W 5 RES CHIP 1K OHM 1 10W 5 RES CHIP 3 9K OHM 1 10 5 RES CHIP 2 2K OHM 1 10W 58 RES CHIP 1K OHM 1 10 5 RES CHIP 110K OHM 1 10W 1 RES CHIP 4 OHM 1 10 1 RES CHIP 47K OHM 1 10W 5 RES CHIP 33K OHM 1 10W 5 RES CHIP 12K OHM 1 10W 5 RES CHIP 360 OHM 1 44 5 RES CHIP 220 OHM 1 104 5 HOSHIDEN 1 0 814 815 C C C2 Cs C4 C5 C5 C6 CT C8 C10 C11 011 C12 C13 C13 C14 Parts No 476 2203 F 10 476 2682 F 10 153 0088 153 0096 151 0265 151 0269 151 0265 150 0314 150 0314 014 151 0265 151 0268 151 0269 151 0265 150 0315 150 0315 01A 151 0265 150 0316 A 150 0316 01A 151 0265 Description RES CHIP 20 OHM 1 10W 1 RES CHIP 6 8K OHM 1 10W 1X CAP TANT 0 68UF 16V 3216 CAP TANT CHIP 0 6805 20V 20 FS CAP CER CP 0 107 25V ZF 2125 CER CP 0 1UF 25V K 2125 CAP CER CP 0 1UF 2
19. 5V ZF 2125 CAP E 220 35V M 35580722 CAP E 220 35V 35 22 0511 CAP CER CP 0 1UF 25V ZF 2125 CAP CER CHIP 680PF K B 2125 CAP CER CP 0 25V K 2125 CAP CER CP 0 1UF 25V ZF 2125 E 100 25V M 255 00 100 CAP E 100UF 25V 25 100 0611 CAP CER CP 0 1UF 25V ZF 2125 E 820UF 6 M 6 3SP 0 820 CAP E 820UF 6 3V 6 3YXBB20Y CAP CER CP 0 1UF 25V ZF 2125 8 3 3 Sound Circuit Board LF LF NOTE 313 5141 313 5141 01 210 5061 212 5354 212 5356 02 220 5343 220 5343 01 476 2563 J 10 476 2563 J 10 476 24R7 J 10 476 24R7 J 10 476 2101 J 10 476 2101 J 10 150 0313 01 150 0313 03 150 0313 01 150 0313 03 150 0313 01 150 0313 03 151 0265 150 0312 01 150 0312 02 151 0265 150 0312 01 150 0312 02 151 0265 270 5044 02 210 5057 TDA2822M 565 2209 8 DIP SAMSUNG CONN MINI JACK HSJ0873 01 440 HOSHIDEN CONN 6P FOR GG 188094 6 AMP CONN M MT CT 2P 173981 2 SW VOL CONT 10K OHM K102J0Z25 ALPS VOL CONT 10K OHM A TYPE HOKURI KU RES CHIP 56K OHM 1 10W 5 RES CHIP 56K OHM 1 10W 5 RES CHIP 4 7 OHM 1 10W 5 RES CHIP 4 7 OHM 1 10W 5 RES CHIP 100 OHM 1 10W 5 RES CHIP 100 OHM 1 10W 5 E CP 10006 6 MV6 3VC100 CAP E CHIP 100UF 6 3V 20 UWXO CAP E CP 10006 6 3V MV6 3VC100 CAP E CHIP 100UF 6 3V 20 UWXO CAP E CP 100UF 6 3V MV6 3VC100 CAP E CHIP 10QUF 6 20 UWX0 CER CP 0 10 25V ZF 2125
20. 71 0007 04 EMI FILTER D31 B222M TOKIN 271 0007 EM FILTER STX222MB TALYO 271 0007 02 EMI FILTER DSS306 93E2227100 MURATA 211 0007 04 EMI FILTER ED31 B222M TOKIN 271 0007 FILTER STX222MB TAIYO 271 0007 02 FILTER DSS306 93E2227100 MURATA 211 0007 04 EMI FILTER ED31 B222M TOKIN 271 0007 FILTER STX222MB 14110 271 0007 02 FILTER DSS306 93E2222100 MURATA 271 0007 04 EMI FILTER ED31 B222M TOKIN 211 0007 EMI FILTER STX222MB 1410 271 0007 02 EMI FILTER 055206 93 2227100 MURATA 271 0007 04 EMI FILTER ED31 B222M TOKIN 271 0007 EMI FILTER STX222MB 10190 271 0007 02 EMI FILTER 055306 93 2227100 MURATA 211 0007 04 FILTER ED31 B222M TOKIN 271 0007 FILTER STX222MB TAIYO 2 7 AC230V 240V area FILTER DSS306 93E222Z100 MURATA EM FILTER ED31 B222M TOKIN BEADS INDUCTOR 700046890088 00 TAIYO BEADS INDUCTOR HF7OBTL3 5 9R TDK CHOKE 6011 105UH KI 1589 KIJIMA CHOKE COIL 10500 TOKYO TRANS CHOKE COIL 105UH 0007 001 FUJI COIL CHIP 10000 LEM4532T101K COIL CHIP 100UH NL453232T 101K TDK 271 0007 02 271 0007 04 271 0017 271 0017 02 180 5077 180 5092 180 5114 180 5073 180 5073 02 560 5172 INVERTER XFMR KI 1588 KI JIMA 560 5201 INVERTER XFMR TT911217 1 TOKYO TRANS 560 5251 INVERTER XFMR CA T 1618 001 FUJI 220 5339 VOL CONT 20K B RKOSJ11TO ALPS 220 5339 01 VOL CONT 20K B TYPE HOKURI KU RE
21. C FCBBICBSL 70T SOP 28P PHILIPS 15 IC MBB464A 10LL SOP FUJITSU 53 10A IC LC3564PM 10L SOP SANYO 53 12A LC3564PM 12L SOP SANYO 66 10A IC LC3664BML 10H SOP SANYO 66 854 IC LC3664BML 85H SOP SANYO 330 104 IC MBB464H 10LL SOP 28 FUJITSU 331 15A IC GM76CBBALFW 15 SOP 28 KINSEI 134 IC UPC358G2 SOP 8 NEC 34 01 IC NJM2904 01 SOP 8P JRC 5127 67 2501614 CHIP NEC 5127 XSTR 2SD1614 CHIP NEC 5126 XSTR 2SC1623 L5 7 CHIP NEC 5126 XSTR 2SC1623 L5 7 CHIP NEC 5126 XSTR 2 61623 L5 7 CHIP NEC 5125 XSTR 254812 M5 7 CHIP NEC 5126 XSTR 251623 L5 7 CHIP NEC 5125 XSTR 254812 M5 7 CHIP NEC 5126 2SC1623 L5 7 CHIP NEC USED NOT USED 0 5308 LED SLR 34 VT3F ROHM 31 5072 DIODE 1SS184 CHIP TOSHIBA 31 5072 DIODE 155184 CHIP TOSHIBA 81 5072 DIODE 1SS184 CHIP TOSHIBA 81 5072 DIODE 1SS184 CHIP TOSHIBA 30 5066 XTAL OSC 32 215905M 100PPM 209 5037 01 CONN 45P FOR GG 3HOLES AMP 209 5037 02A CONN 45P FOR GG 3HOLES FUJITSU 209 5038 CONN FOR GG HDC 0492 HOSHIDEN 600 5910 WIRE HARN GP FOR GG 60MM HIRAKAWA 600 591 WIRE HARN 9P FOR GG 600 HIRAKAWA 514 5040 FUSE THERMAL SM09580 NEC 514 5040 FUSE THERMAL 5 095 0 NEC 079 000003 EYLET 3 5x7 079 000003 EYLET 3 5x7 271 0007 FILTER STX222MB TANO 271 0007 02 EMI FILTER 055306 93 2227100 MURATA 271 0007 04 EMI FILTER ED31 B222M 100 271 0007 EMI FILTER STX222MB 14190 271 0007 02 EMI FILTER 055306 93 2227100 MURATA 2
22. ED CL 1A2 A8 CL 182 48 CL 141744 1 ala CL1B1 AJ SA p s puran 2 Bis gt DB d DO3 A1 111 Gar Ria p 1200 51 1 1 2K DO1 AQ 2804 gt DW ee cua 4 5 IC1 37 _ ohakas TT CL83 743 OT A TETT TY 395549 een 43 TPA 70832 JERE 41 A 56 IE ts gt A naa 1 a 4 7k 9 77 cae zaf CH ANALOG 3 q A23 10K L3 XTL2 Az 194 ap an REFERS REM We Fi ANAL OG DIGITAL M3 4 v t A n pa AR LLLI iss Sida o gt af sa 2 28 NE ZZ 2 C43 O az 22u TV SOUND IV BONO TO MAIN 2 2 gt MIA c32 2200P 3 4 5 6 7 5 2 Main Circuit Board 2 ANALOG 3V ANALOG BY UPC AZO i BV 2 BO li Sevi gt v o a1u 5 2501614 8 8 MIR INVERT GNO 4 CL2 DO 1 4 DS P 1 v lt l 2222224 ll tin DW CLA 1 3 CLS 3 PG PTPP LETI OLLI 1 deni vini ie s gt Pata oly TIT A vy has L
23. S CHIP 1K OHM 1 10W 5 476 1472 J 16 476 1472 J 16 476 1472 J 16 476 1472 4 16 476 1474 J 16 476 1474 J 16 416 1474 J 16 476 1474 J 16 476 2471 J 10 476 2472 J 10 476 2472 J 10 476 1122 J 16 416 1221 J 16 416 1221 J 16 416 1221 J 16 416 1221 J 16 416 1221 J 16 416 1221 J 16 416 1221 J 16 416 1221 J 16 416 1221 J 16 416 1221 J 16 416 2412 J 10 416 2182 J 10 416 2510 J 10 416 2103 J 10 416 2103 J 10 416 2912 F 10 416 2112 F 10 416 2302 10 416 2104 J 10 416 2104 J 10 416 2303 J 10 416 2203 J 10 416 2510 J 10 416 2563 F 10 416 2303 F 10 416 2510 J 10 476 2471 F 10 476 2471 10 476 2222 J 10 416 2244 1 10 476 2223 J 10 476 2223 J 10 416 2105 10 476 2223 J 10 476 2223 J 10 476 2103 J 10 476 2103 4 10 476 2473 J 10 476 2473 J 10 476 2102 J 10 416 2102 J 10 416 2102 J 10 416 2102 J 10 KIJIMA or TOKYO TRANS Circuit No 56 57 58 JI C C2 C3 C4 C4 39 C40 C41 C42 C42 C43 C58 Parts No 476 2182 J 476 2182 J 476 2102 J NOT USED 150 0311 NOT USED NOT USED 150 0308 150 0420 NOT USED 151 0320 151 0358 151 0358 151 0358 151 0358 150 0308 150 0420 151 0307 151 0265 150 0308 150 0420 151 0265 151 0265 151 0357 151 0291 151 0291 151 0291 151 0291 151 0291 151 0291 151 0291 151 0291 151 0281 151 0291 151 0291 151 0291 151 0291
24. S CHIP 4 TK OHM 1 16W 5 RES CHIP 4 7K OHM 1 16W 5 RES CHIP 4 7K OHM 1 16W 5 RES CHIP 4 7K OHM 1 16W 5 RES CHIP 470K OHM 1 16W 5 RES CHIP 470K OHM 1 16W 5 RES CHIP 470K OHM 1 16W 5 RES CHIP 470K OHM 1 16W 5 RES CHIP 470 OHM 1 10W 5 RES CHIP 4 TK OHM 1 10W 5 RES CHIP 4 TK OHM 1 10W 5 RES CHIP 1 2K OHM 1 16W 5 RES CHIP 220 OHM 1 16W 5 RES CHIP 220 OHM 1 16W 58 RES CHIP 220 OHM 1 16W 5 RES CHIP 220 OHM 1 16W 5 RES CHIP 220 OHM 1 16W 5 RES CHIP 220 OHM 1 16W 5 RES CHIP 220 OHM 1 16W 5 RES CHIP 220 OHM 1 16 5 RES CHIP 220 OHM 1 16W 5 RES CHIP 220 OHM 1 16W 5 RES CHIP 4 7K OHM 1 10W 5 RES CHIP 1 8K OHM 1 10W 5 RES CHIP 51 OHM 1 10W 5 RES CHIP 10K OHM 1 10W 5 RES CHIP 10K OHM 1 10W 5 RES CHIP 9 1K OHM 1 10W 1 RES CHIP 1 1K OHM 1 10W 1 RES CHIP 3K OHM 1 10W 1 RES CHIP 100K OHM 1 10W 5 RES CHIP 100K OHM 1 10W 5 RES CHIP 300 OHM 1 10W 5 RES CHIP 20K OHM 1 10W 5 RES CHIP 51 OHM 1 10W 5 RES CHIP 56K OHM 1 10W 1 RES CHIP 300 OHM 1 10W 1 RES CHIP 51 OHM 1 10W 5 RES CHIP 470 OHM 1 10W 1 RES CHIP 470 OHM 1 10 1 RES CHIP 2 2K OHM 1 10W 5 RES CHIP 240K OHM 1 10W 5 RES CHIP 22K OHM 1 10W 5 RES CHIP 22K OHM 1 10 5 RES CHIP 1M OHM 1 10W 5 RES CHIP 22K OHM 1 10W 5X RES CHIP 22K OHM 1 10W 5 RES CHIP 10K OHM 1 10W 5 RES CHIP 10K OHM 1 10W 58 RES CHIP 47K OHM 1 10W 5 RES CHIP 47K OHM 1 10W 5 RES CHIP 1K OHM 1 10W 5 RES CHIP 1K OHM 1 10W 5X RES CHIP 1K OHM 1 10W 5 RE
25. SEGA SERVICE MANUAL GAME VA1 SES MM N BEB SUE w CONTENTS SPECIFICATIONS 22222222 3 IDENTIFYING PARTS corer ee eee nee e heres 4 DISASSEMBL Y 5 BLOCK DIAGRAM 7 SCHEMATIC DIAGRAMS ou a vede ES d Vedan ais 9 CIRCUIT BOARD DIAGRAMS 15 PARTS SPECIFICATIONS 19 EXPLODED VIEW amp 248 15 11517 23 8 1 Exploded View A ai 23 8 2 Mechanical Parts List 25 8 3 Electrical Parts List cece tt Il 26 8 4 Accessories Package List 6 29 Sega Enterprises Ltd BEFORE USING THIS SERVICE MANUAL This service manual covers the one chip custom LSI CPU VDP SCA The First Serial of 1 Chip Version Unit MAC 120V area AC 230V 240V area 020176537 For USA 020019501 020168498 For CANADA e B30000001 B20135204 K37000001 K20117921 P31020001 e P31000001 e COMPARISON WITH ANOTHER MODEL Electrical Components GAME GEAR VAO GAME GEAR VA1 IC CUSTOM CHIP GG 1 SPECIFICATIONS Ratings 6 LR6 HP7 Batteries internal Longer life alkaline batteries are recommended Input 120 60Hz Output 9 850mA AC Adaptor Power input Input AC230V 240V SOHz Output DCIOV 850mA External Battery Pack Input DC9V Output DC7 2V 1200mA h Uses power
26. or sold separately Kuwait 3 DISASSEMBLY 3 1 Dismantling Procedure Removal of bottom screws and bottom case Main board removal See Fig 3 See Fig 1 1 Remove two screws 202 1 Turn the power button off 2 Remove six screws 203 3 Remove the main board from the top case 2 Tum over the unit 3 Remove both battery compartment lids 8 amp 9 4 Remove screw 204 5 Remove six screws 201 Fig 1 Sound board and DC DC converter board 6 Remove the bottom case See Fig 2 removal See Fig 4 Lift bottom case in the direction of arrow A 1 Remove four screws 203 and make the open condition 2 Remove the support plate from the bottom case Remove the connector of DC DC converter 3 Remove two screws 203 board fixed on the bottom case 4 Remove the sound board from the bottom case Disconnect two connectors of sound board 5 Remove the battery blade cover 6 Remove two screws 203 7 Remove the DC DC converter board Fig 2 3 2 Reinstalling procedure Sound board and DC DC converter board reinstallation Attach the power knob to the DC DC converter board 2 Attach the DC DC converter board to the bottom case 3 Tighten two screws 203 4 Attach the battery blade cover 5 Attach the sound board 6 Tighten two screws 203 7 Attach the support plate 8 Tighten four screws 203 Main board reinstallation 1 Spray surface of inside clear plate with static proof lquid 2
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