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Summary of Contents for Game Gear VA1

Page 1: ...IDENTIFYING PARTS 4 3 DISASSEMBLY 5 4 BLOCK DIAGRAM 7 5 SCHEMATIC DIAGRAMS 9 6 CIRCUIT BOARD DIAGRAMS 15 7 PARTS SPECIFICATIONS 19 8 EXPLODED VIEW PARTS LIST 23 8 1 Exploded View 23 8 2 Mechanical Pa...

Page 2: ...31000001 COMPARISON WITH ANOTHER MODEL Electrical Components COMPONENT GAME GEAR VAO CPU IC Z80A VIDEO PROCESSOR IC IC CUSTOM CHIP VDP GG 1 0 LCD CONTROL IC IC CUSTOM CHIP SCA GG MEMORY FOR CPU S PROG...

Page 3: ...7V l6V Output DC9V 800mA 9V 3W ACI20Varea IOV 3W AC220V 240V area Temperature O C 40 C Humidity l0 RH 80 RH no condensation 2IO W X ll3 D X 39 H mm ZSOA 3 58MHz 64kbit l28kbit 3 types of sound 1 noise...

Page 4: ...l VOLUME Brightness Control BRIGHT Gear to Gear Cable Input EXT 2 2 Bottom View of Console Battery Compartment Cover BATT LID LEFT GG Cartridge Slot CARTRIDGE r l Accessory Screwhole Note Names of paJ...

Page 5: ...move the connector of DC DC convener board fixed on the bottom case Disconnect two connectors of sound board Fig 2 5 Main board removal See Fig 3 1 Remove two screws 202 2 Remove six screws 203 3 Remo...

Page 6: ...speaker cable outside the bosses of the top case 5 Attach the main board Case I After exchange of LCD Take off protective film of LCD Case 2 Others Clean surface of LCD using an air gun 6 Anach the ma...

Page 7: ...BOARD CONTROL MAIN CLOCK I C VS CONN SV 5V 1 DC DC EXTERNAL AC ADAPTOR BUS E 0 VCLK 10 738MHz SOUND ANALOG DATA BUS 32 215905 MHZ m CONTROL PAD 34y 0 INTERNAL 6 AA BATTERIES CONVERTER BATTERY PACK C I...

Page 8: ......

Page 9: ...oard 2 v 1ce P 11 aJ t 101 FWII 101 CIU HilTANTI caz RC11 71 ill ITANTI 1 132 1001 2 j u 201 1 11 CL2 DO 1 OW CLA 3 CLB l 3 3 FW1 1 21 4 1 2 1Ciei H L 010 V ______t I IIA81Z _vi 011 r v t r 1az3 5 E F...

Page 10: ...22 A4 11 Fl1 3 91 Ill Fl7 331 FIS 1101 111 Q 2 21 L C4 C3 0 0 1U I 2SAB12 J A2 2SC1623 22U 35V 271 Fl6 11 FIB 4 31 1 1 1 1 a 3 2 1 9 rhn i F 0 0 v CN1 T u c 9 N c T c 34V 2 2 2 NC B NC IC1 7 MB3775PF...

Page 11: ...cuit Board AC120V area 1 2 15 Top View Bottom View r Hiii iilmlmmumilfi1lHifffrmrmr nu 1u1u 3 5 6 2 DC DC Converter Circuit Board AC120V area Top View Bottom View 6 3 Sound Circuit Board AC120V area T...

Page 12: ...Bottom View J E91964 123t 56789101112 1n _ _ 1 2 123 1234 lt J A 31 354 c 3 M6 0 MS 0 4 M3 bco or J MIL 0 5 6 6 5 DC DC Converter Circuit Board AC230V 240V area Top View Bottom View 6 6 Sound Circuit...

Page 13: ...CA2 CB2 CAl CBl OW D03 DOl 004 D02 CL2 PI P4 P2 P3 DB ADO AD1 AD2 AD3 AD4 ADS AD6 AD7 ADS AD9 GND GND 19 No Pin Name No Pin Name 73 Von 109 GND 74 A010 110 CSYN 7S ADll Ill NUP 76 AD12 112 NOW 77 AD13...

Page 14: ...te enable input SV OV 1 0 Mode LowZ Read HighZ Write HighZ HighZ Refresh HighZ Standby IC FCB61C65L 70T Block Diagram A Ao As A7 As 9 A1o An A12 Address inputs ADDRESS ROW BUFFER DECODER 1 Output enab...

Page 15: ...al Operational Amplifier IC 11 PC358G2 Top View IC NJM2904 01 Pin Layout 8 5 VDD 0 4 7 2 DC DC Converter Circuit Board IC1 IC MB3775PF G BND Top View Pin Layout Block Diagram Error Mp 1 t 1 3 v v 3 r...

Page 16: ...7 3 Sound Circ it Board IC1 ICTDA2822M Top View Pin Layout Block Diagram Cl 09 Q17 07 22...

Page 17: ...PARTS LIST EXPLODED VIEW 8 v w loded 18 8 1 Exp Assembly 8 1 1 MaiM I I I I I l _ 2 13 3 3 2 _ 2 6 I I I 2 23 3 E D 2 c I I I I I I I I I I I I I I I I I I I I B I l I I I 13 2 I ____I A 3...

Page 18: ...8 1 2 Sub Assembly F E D c B A 2 3 24 403 C A 15 1 203 4...

Page 19: ...GG 4P BALL TYPE XX 3 253 6434 CLEAR PLATE GG INMOLD 302 509 5335 RUBBER CONTACT GG lP 303 601 6428 LCD CUSHION GG 4 253 6363 03 PAD GG 03 CONTACT TYPE 2XX 304 250 5202 BATT BLADE lP B 4 253 6486 PAD G...

Page 20: ...R8 476 1474 J 16 R9 476 2471 J 10 RIO 476 2472 J 10 Rll 476 2472 J 10 Rl2 476 1122 J 16 Rl3 476 1221 J 16 R14 476 1221 J 16 R15 476 1221 J 16 R16 476 1221 J 16 R17 476 1221 J 16 R18 476 1221 J 16 R19...

Page 21: ...2 S126 XSTR 2SC1623 L5 7 CHIP NEC C26 151 0291 CAP CER CP 39PF SOY KSL 1608 03 482 S130 XSTR CHIP 2SB1301 ZO OR ZP NEC C27 1S1 0291 CAP CER CP 39PF SOY KSL 1608 C28 151 0291 CAP CER CP 39PF SOY KSL 16...

Page 22: ...61 CONN MINI JACK HSJ0873 01 440 HOSHIDEN CN1 212 5354 CONN 6P FOR GG 188094 6 AMP CN2 212 5356 02 CONN MMT AMP CT 2P 173981 2 AMP VR1 220 5343 SW VOL CONT 10K OHM K102JOZ25 ALPS VR1 220 5343 01 VOL C...

Page 23: ...TRALIA KUWAIT SPAIN SAUDIARABIA BOX PACK SET GG MUL 2180 P CMK 2180CExcept USA CANADA INR CTN GG USA 2122 ECMK 2122CUSA INR CTN GG USA 2100 PI MK 2100 USA INR CTN GG USA 2121 PMCMK 2121 USA INR CTN GG...

Page 24: ...1993 Sega Enterprises Ltd Printed in Japan 31209...

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