Страница 1: ...TIONS OF CIRCUIT BOARDS 5 5 DISASSEMBLY PROCEDURE 6 6 CD DRIVE MAINTENANCE AND ADJUSTMENT 8 7 BLOCK DIAGRAM 11 8 SCHEMATIC DIAGRAMS 13 9 CIRCUIT BOARD DIAGRAMS 27 10 PARTS SPECIFICATIONS 32 11 EXPLODE...
Страница 2: ...pecially critical components as indicated on the circuit diagram should not be replaced by other manufacturer s Furthermore where a short circuit has occurred replace those components that indicate ev...
Страница 3: ...tandard industry format for compressing Full Motion Video footage This means that the footage takes up less disk space and when it is to be viewed the MPEG program decodes the footage and plays it on...
Страница 4: ...r their texturing shading or lighting Realtime An important adjective that usually indicates the game display is being re calculated every second taking into account the full effects of the player s a...
Страница 5: ...RAM 4Mbit IPLROM 4Mbit Backup RAM 256 Kbit Resolution 320 x 224 dot etc Graphics Colors 1024 2048 16 770 000 simultaneous transmission Sprite Enlargement Reducation Rotation Transformation 5 screen ma...
Страница 6: ...sole 2 3 Control pad OPEN Button Cartridge Slot ACCESS Light CONTROL PORT 1 CONTROL PORT 2 2 2 Back View of Console Master Reset Switch DIRECTIONAL Button START Button 2 RIGHT SHIFT Button A Button B...
Страница 7: ...SORIES Positive Side B Lithium Battery CR2032 RGB Cable AC Cable UK AC Cable SOE AC Cable AUSTRALIA 4 IDENTIFICATIONS AND LOCATIONS OF CIRCUIT BOARDS CD Drive Unit P SW Board Main Board R SW Board Fig...
Страница 8: ...sh the lever in the direction of arrow to release the boss and then push the lever in the direction of arrow to remove the CD compart ment lid Fig 5 2 5 3 CD Drive Unit Removal 1 Disconnect two connec...
Страница 9: ...ports 2 Remove five screws and then the main board Fig 5 5 5 6 Power Power Indicator and R SW Boards Removal I Remove three screws If and then the power board 2 Remove screw and then the power indicat...
Страница 10: ...placed Adjusting this variable resistor may cause damage to the laser diode 6 2 Laser Pickup Replacement Procedure 8 Turn the power switch off and unplug the power cord from the AC outlet 1 Replace th...
Страница 11: ...meter 3 Non metallic adjustment screwdriver 4 Test CD A BEC TCD 792A 6 4 CD Drive Unit Adjustment Proce dure r I I ____B ____________r____ IC201 C 401 I I I I I 10k Q FEIN vc 10k Q BPI _ 0 IW Fig 6 2...
Страница 12: ...IC 2 BOO BOIS DSP SOUND 1 B CONTROL L r ELS PIXELS SPRITES FM 8CHANNELS POLYGONS l VOP I VDP2 1 COLOR CALCULATION ICIO IC14 TEXTURE SHADING 2Mb it SPR l TE CHARACTER I RAM ICll FRAME 2Mb i t 1 RAM IC1...
Страница 13: ...JO il i74i l COlO I C 029 1c 7l f CIJ29 i C 02 B 1 71 I C02B I C 02 7__ il i 69 l C02l j C 02 6 _ l 768 C026 l l tl CIJ25 C02l 165 CIJ24 Nc0 02 2 176l CIJ2J Nc i o2 1 17 62 C022 I C 02 0 ii F 61 I NC...
Страница 14: ...AS 110 16 ru or r r FlllXJ1 LOlli CS p1 8 r to6 te J t i J3 30 FIAO II FlAO 21 AO FIAI I T f Fil i Al_____ i22 H AI FIA2 IA2 2l 2 FlAJ FlAl 24 Al 120 FIA6 FlAb 29 A6 FIA7 FIA7 30 FlAB 20 122 FIA9 19 F...
Страница 15: ...SUl14 123 saJIS saJlS z o a c ai N lr E3 NN z o 0 0 U u 3 5 OB Rl29 Rll O ICIB 68ECOOOFN12 l4o AO AS 33 AI UIJS 34 A2 LDS J6 Al 37 A4 RAI 36 AS l9 A6 DTACK AI 40 A8 00 41 A9 PIT 42 AIO IPLO 43 All AVE...
Страница 16: ...I 79 SFII iiTiiT BACK 71 BACK VINf EX8ACK 72 55 BIRL2 BRLS 7 imf i1ill 54 B Rll BGR 75 au IRED BREQ 76 8GR EXBREQ n iiR ij t EX8REG BEN CIIAIT 64 wm BOIR OAO CBS 84 OAI O A 2 CIIATIN 67 DAJ iiiTii CIV...
Страница 17: ...l 4 vee 6 TL WlES 7 R Qtl 4 C f RORES C _ 3 8 l FT NC6 _l Ell25 2 9 Gill 51 eRIGO IJ 112 200ioN I Elt26 2 H498 SlOES 211 _IJ 55 STSRES 2TH E1127 2TR 5b nSHRES CN2B 57 HSHNHI 2TL L oo _d 1Pl4 58 2R1Qtl...
Страница 18: ...8 23 c OSD CNl _ Rr tlo EXIIGIS EX8G2 _tftGOH EXSTI AA __ _ SlllO AA6 I r l m ll l 0 K QL vee CN4 r L l r t 53 E EBCJ OEEI1 ESD r lli r Aloi O 5 4 N l A AOl r AIJf _ lE _ r t LB r 1 A22 I All I Al IA...
Страница 19: ...o 1 fvv ec vs s h Sllil5 I 75 DO DIS l6 Sllil4 S1Jt6 10 D6 Dl Dl4 J7 51 1113 SDt7 II 07 X 02 DIJ l6 Sllil2 J VSS EXTAl 7l 1 t DJ 55 12 35 72 XlOl 2tntz SIJt4 1 vee 011 l34nr Sllill SDt9 14 08 IC101 vs...
Страница 20: ...1 Main Circuit Board 1 2 3 4 5 6 A j __ _ D 64 Ct39 837 11493 IC BO SATURN 171 69638 PC BO SATURN M MAIN VAO PAL MAIN VAO PAL 26 SEGA 1995 27 MADE IN JAPAN CE46 CE45 43 44 FUSE o eillj B 27 IC32 DIREC...
Страница 21: ...TPH C70 D A B c 29 Cl36 CJ D E 0 0 OD Ill TI N TPte TI Tl a7 2 3 4 5 6 F G H 30...
Страница 22: ...14 Data bus 6 VSSI Power supply OV 7 015 8 016 9 l 0 017 Data bus 10 018 11 019 12 VCC2 Power supply SV 13 1 0 D20 Data bus 14 VSS2 Power supply OV 15 D21 16 1 0 D22 Data bus 17 D23 18 VCC3 Power supp...
Страница 23: ...or PSRAM 80 0 CAS OE CAS for SDRAM OE for PSRAM 81 0 CASHH DQMUU WE3 Each memory most significant byte select signal 82 0 CASHL DQMUL WE2 Each memory 2nd significant byte select signal 83 0 CASLH DWML...
Страница 24: ...wer supply OV 116 N C Not connected 117 I MD3 Operation mode pin 118 I 0 CKIO System clock input output 119 I MD4 Operation mode pin 120 MD5 121 VSSI7 Power supply OV 122 I RES Reset 123 VCC14 Power s...
Страница 25: ...ING 0 l TIMER a ffi h 1 k J l co v z CACHE BREAK a SERIAL LU LU DATA CONTROLLER 1 a COMMUNI 0 CATIONS 0 1 INTERFACE co J l i co a LU 0 r 1 J 0 VECTOR ADDRESS a 0 z LU DIVU 1 a 0 J WATCH DOG LU y 1 TIM...
Страница 26: ...in Name A0 A9 I 00 I 015 AO A7 cs RAS CAS WE DQMU DQML CLK CKE Ycc Yss YccO YssO NC 0 w 0 0 w 0 z 0 36 IC HM5241605TT 15 TSOP Parts No 315 0928 15 Function Address inputs Row addresses AO A8 Column ad...
Страница 27: ...AD13 AD14 ADIS AAO AAl AA2 vss AA3 VDD AA4 Block Diagram INT f z 1 n ln p CPU 1 F A Bus 1 F DMA TIMER __ 1 _ ilB B Bus 1 F DSP Function GND A bus data bit 4 A bus data bit 5 A bus data bit 6 A bus dat...
Страница 28: ...CSI A bus chip select 1 54 0 ACS2 A bus chip select 2 55 VDD Power supply 5V 56 I AWAIT A bus external wait 57 I All A bus external interrupt factor 58 I TEST Test mode selection normally input H 59 0...
Страница 29: ...1 0 CAS C bus address bit 8 113 1 0 CA9 C bus address bit 9 114 1 0 CAlO C bus address bit 10 115 VSS GND 116 1 0 CAll C bus address bit 11 117 VDD SV Power supply 118 1 0 CA12 C bus address bit 12 11...
Страница 30: ...chip select 1 177 I CCS2 C bus chip select 2 178 0 CCS3 C bus chip select 3 179 VSS GND 180 I RESET Initial reset 181 I CLK28 System clock 182 1 0 CRDWR C bus read write 183 I CRO C bus read pulse 18...
Страница 31: ...40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 1 0 I I I I I I I I I I I I I I I I 0 0 I I I I I I 0 I I 41 Name No 1 0 Name A9 69 I I WEO AlO 70 vss All 71 0 B...
Страница 32: ...t Pin Name A0 Al7 Address inputs CE Chip enable OE Output enable GND Ground BYTE DO DIS Data inputs outputs Vee SV power supply IC UPD43257B 1 OLL SOP IC M5M5255BFP 12LL SOP Parts No 315 0930 10 Parts...
Страница 33: ...l Jumper configuration input Not connected GND Clock 3 Ground Clock 4 Master reset input Power Chip select input Read write input Address bus Data bus 43 No 1 0 33 34 35 36 I 0 37 38 39 40 41 42 43 I...
Страница 34: ...put mask VRAM VLDQM Lowerbyte input output mask VRAM VSS Ground for internal circuit veASN Column address asserted VRAM VRASN Row address asserted VRAM vee Power supply VWEN Write enable VRAM veSN Chi...
Страница 35: ...FBO 62 0 FOLDQM Lower byte input output mask FBO 63 0 FOUDQM Upper byte input output mask FBO 64 vss Groun for 1 0 pin 65 FODO 66 FODl 67 0 FOD2 Data bus FBO 68 FOD3 69 FOD4 70 vss Ground for internal...
Страница 36: ...cal sync timing 130 0 V2CLK Video clock 1 2 MCLK 131 vss Ground for 1 0 pin 132 0 VOUTO 133 0 VOUTI Display start address video data 134 0 VOUT2 135 0 VOUT3 136 vee Power supply 137 0 VOUT4 Display st...
Страница 37: ...trols upper byte and DQML controls lower byte input output buffers In read mode DQMU DQML control output buffer impedance like conventional OE If DQMU DQML is high output buffers become high 14 36 I D...
Страница 38: ...34 I CKE internal clock is not asserted and J l PD4504161 becomes halt operation And when J l PD4502161 does not in bun t mode and CKE is negated J l PD4502161 enter power down mode During power down...
Страница 39: ...ce data bit 15 39 I AD SYSCON interface address data selection 40 I DTEN SYSCON interface data enable 41 0 READY SYSCON interface data ready 42 I cs SYSCON interface chip select 43 VDD 5V power supply...
Страница 40: ...YSYNC Vertical sync signal output 88 0 HSYNC Horizontal sync signal output 89 YDD 5Y power supply 90 0 DCLK Dot clock output 91 0 HTIM YDP1 interface H timing 92 0 YTIM YDP1 interface Y timing 93 1 0...
Страница 41: ...140 l 0 RCLK YRAM AlB clock 141 I I TEST Test mode selection normally connected to VDD 142 1 0 RBDO VRAM B data bit 0 143 I 110 I RBD1 YRAM B data bit 1 144 1 0 RBD2 YRAM B data bit 2 145 1 0 RBD3 YRA...
Страница 42: ...ELN MCASON MCASIN MOEN VDD MAO MAl MA2 MA3 MA4 MAS vss MA6 MA7 MAS MDO Function MCPU data bus GND MCPU data bus Ready signal to MCPU Interrupt request to MCPU Power supply Sv SCSP reset input GND SCSP...
Страница 43: ...SCA20 69 SCA19 70 YSS GND 71 SCA18 72 SCA17 73 SCA16 74 SCA15 75 I SCA14 SCPU address bus 76 SCA13 77 SCA12 78 SCAli 79 SCAlD 80 YDD Power supply 5Y 81 SCA9 82 SCAB 83 SCA7 84 SCA6 85 I SCA5 SCPU add...
Страница 44: ...CPU 126 I MCCK 28 MHz clock from MCPU 127 VDD Power supply SV 128 I 0 I MCD7 MCPU data bus SCSP Chip Block Diagram lSCPUI SOUND CPU I I LFO LOW FREQ OSCILLATOR I ALFO PLFO IMCPUI MAIN CPU I I 7f IDMA...
Страница 45: ...G Bus grant 46 A14 13 I BR Bus request 47 Al5 I4 vee Power IS 48 Al6 49 A17 16 I CLK Clock 50 Al8 17 GND Ground 18 51 Al9 52 A20 19 I MODE 8 bit 16 bit select 53 vee 20 1 0 HALT Halt 54 A21 21 l 0 RES...
Страница 46: ...2 Open L2 Underlined H L Valid IC HM514270Aj 7 SOJ HITACHI Parts No 315 0777 70 Operation Mode Standby Standby Read cycle Early write cycle Delayed write cycle Read modified write cycle RAS onlY_ refr...
Страница 47: ...clock signal input switching control 5V Crystal oscillation OV External clock signal I CMOS I with pull up resistor incorporated Ground of digital circuits Czystal oscillator output OSC2 I Oscillation...
Страница 48: ...used by subcarrier frequency components contained in the Y signaL Adjusts fo of the internal filter Connect the following resistor between this pin and ground depending on the NTSC or PAL mode Power s...
Страница 49: ...L 5 WS DATA BCK 4 INPUT TEST1 TEST2 3 11 FILTCL 19 1 nF VOL 10 IJ F l RCONV1 4fs DIGITAL UP SAMPLE FILTER AND FEATURES CKSL1 CKSL2 13 9 20 RCONV2 VssA J ____231 1 11 21 Vsso Vooo 59 SYSCLK APPL APPO A...
Страница 50: ...w 2 3 IC26 27 29 30 74LS245 IC 74LS245 SOP 300MIL Parts No 314 0563 II Top View Pin Layout 1 OUT 2 VDD 3 vss 1Y 2 2Y 4 3Y 6 4Y 8 SY 10 6Y 12 r I __________________________________ J II Function Table...
Страница 51: ...1 1 0s NC LCAS UCAS OE AS A7 AB A5 A3 A4 B Logical Operation Circuit IC UPD424260LE 70 E2 SOJ NEC Parts No 315 0985 70 IC M8814260 70PJ G SOJ FUJITSU Parts No 315 0984 70 61 B Truth Value Table INPUT...
Страница 52: ...nction I SEL Common data select input 2 AI Data inputs from source 0 3 81 Data inputs from source 1 4 Yl Multiplexer outputs 5 A2 Data inputs from source 0 6 82 Data inputs from source I 7 Y2 Multiple...
Страница 53: ...6 Pin Name Function IROL Host command intenupt input level detection IRQH CD ROM sync detection subcode sync detection intenupt input level detection VSS Ground ADO ADI ADZ AD3 Data input output AD4 A...
Страница 54: ...nd 78 NC Not conncted 79 I RESET Reset input reset at Lo 80 MOO 81 I MDI MCU operation mode setting pins The built in ROM is effective 82 MD2 83 vee 5V 84 vee 5V 85 vee 5V power supply of analog circu...
Страница 55: ...ti E w C z w C Pin Name A0 A8 AO A8 1 01 1 04 RAS CAS WE OE Ycc Yss 1 0 3 1 0 4 I I 1110 BUFFER II en en 0 0 E E 256k 256k MEMORY ti ti MEMORY CELL E E CELL c c ARRAY w w ARRAY C C z z w w C C WORD W...
Страница 56: ...t I GASTAT 18 I 8 18 I F r 7 7 7 J v l VIC 18 I L J 0 VIW ISH FIF we za DATA a o E z eo CTRL COUNTER i O ow CD IROMS COl RQREQJ COMMANDd e Lower Lower REG o 3 v_ 7 lsummj VIC HI ROMSK I L HI ROOREO R...
Страница 57: ...Wait control signal used to transfer MPEG video frame data 30 vss Ground 31 0 FDACK MPEG video frame data transfer control signal 32 0 MVCS MPEG video chip select signal 33 0 MACS MPEG audio chip sel...
Страница 58: ...signal 81 I CASL 82 I SWRH SH uP upper byte write enable signal 83 I SWRL SH uP lower byte write enable signal 84 I SA19 SH uP address bus 85 I TP3 Test pin 86 vss Ground 87 0 DSWR Delayed write cycl...
Страница 59: ...OM serial data 131 I SCKX CD ROM serial data bit sync signal 132 vss Ground 133 vee Power supply 134 vss Ground 135 ATIM1 A BUS timing control signal 136 I ATIMO 137 I I ARD A BUS read signal 138 VSS...
Страница 60: ...PARTS LIST LODEDVIEW 11 EXP loded View 54 11 1 Exp I _ 6 4 6 A I I I 5 i 2J 1 B 70 1 2 21 r I I I I I I I I I I I I __ _ _ _ _ _ _ r I I I I I I _I I I L__ c 0 I I CNI I I I I I I j...
Страница 61: ...ATURN SH1 6 610 5679 20 ASSY CD DRIVE UNIT SATURN 6 610 5679 21 7 400 5271 AC POWER UNIT SATURN EUR 7 400 5272 AC POWER UNIT SATURN EUR e 7 1 601 7672 INLET FOR UL CSA SATURN e 7 2 514 5066 FUSE 1 6A...
Страница 62: ...A12 TSOP NEC CNlO NOT USED NOT USED IC12 315 1017 17 IC HM5221605TT 17 TSOP HITACHI CNll NOT USED NOT USED IC12 315 1012 17 IC LC382161T 17 TSOP SANYO CN12 212 5457 CONN 3P SJ21 03WT IC13 315 0910 12...
Страница 63: ...44 151 0361 CAP CER CP 15PF 50V CH2125 EM113 271 0045 EM FILTER STB101KB TAlYO C45 NOT USED NOT USED EM114 271 0045 EM FILTER STB101KB TAlYO EMI15 271 0045 EMI FILTER STB101KB TAlYO C46 NOT USED NOT U...
Страница 64: ...ED CE22 150 0496 01 CAP E CP 4 7UF 25V ECEV1EA4R7 CE22 150 0496 02 CAP E CP 4 7UF25V UWX1E4R7MCR1 C114 NOT USED NOT USED CE22 150 0496 03 CAP E CP 4 7UF25V REV C115 151 0265 CAP CER CP 0 1UF 25V ZF212...
Страница 65: ...10 1 5 CE46 150 0504 CAP E330UF USROJ331MCA1TD R69 476 2103 J 10 RES CHIP 10KOHM 1 10 1 5 R74 476 2103 J 10 RES CHIP 10KOHM 1 10W 5 CE47 150 0463 CAP ECP 1UF 50V MV50VC1MD55 R96 NOT USED NOT USED CE4...
Страница 66: ...390 5568 LED SL8 25DL13F ORANGE RA2 477 0170 R PK CP 8 10KOHM 1 161 5 1 1 C SWl 510 5063 TACT SW SKEYAC RA2 477 0170 02 R PK CP 8 10KOHM 1 161 1 5 W C RA2 477 0170 01 R PK CP 8 10KOHM 1 161 1 5 W C CN...
Страница 67: ...01 476 1103 J 16 RES CHIP 10KOHM 1 16W 5 R102 476 1103 J 16 RES CHIP 10KOHM 1 16W 5 6 SGM 4349 POLY BAG 340 340 0 05 EXP 6 R103 476 1103 J 16 RES CHIP 1OKOHM 1 161 1 5 7 SGM 4363 POLY BAG 200 310 0 05...
Страница 68: ...II 1995 Sega Enterprises Ltd Printed in Japan 50630...
