IBM 655743N Service Manual - Page 27

(2) Schematic Diagram of A Board CONNECTOR PANEL 54321 10 9 8 7 6 15 14 13 12 11 TO D BOARD CN502 HD15 B.GND2 7 BLUE2 6 NC 5 G.GND2 4 GREEN2 3 R.GND2 2 RED2 1 CN403 7P WHT-L :S-MICRO CN404 6P WHT-L :S-MICRO B.GND1 6 BLUE1 5 G.GND1 4 GREEN1 3 R.GND1 2 RED1 1 TO D BOARD CN502 13W3 CN402 9P WHT-L :S-MICRO TO D BOARD CN503 6 - 14 PIN OSD_SEL 9 DAC_SEL 8 DMP_DATA 7 DMP_CLK 6 GND 5 C BLK 4 V BLK 3 H BLK 2 CLAMP 1 INPUT_SEL 5 TO D BOARD S/C ENABLE 4 CN503 AUTO S/C 3 1 - 5 PIN GND 2 SYNC ON G 1 CN401 5P WHT-L :S-MICRO R361 82 :RN B G R261 82 :RN R R161 82 :RN C352 100 16V C252 100 16V R319 6.8k :CHIP C152 100 16V R219 6.8k :CHIP R119 6.8k :CHIP D311 1PS226-115 PROT D211 1PS226-115 PROT R363 56 :CHIP D111 1PS226-115 PROT C401 0.01 B:CHIP R263 56 :CHIP B R301 82 :RN G R201 82 :RN R R101 82 :RN D301 1PS226-115 PROT C320 100 16V R163 56 :CHIP R340 22 :CHIP R302 6.8k :CHIP D201 1PS226-115 R240 PROT 22 :CHIP D101 1PS226-115 PROT C220 100 16V R202 6.8k :CHIP C120 100 16V R102 6.8k :CHIP R140 22 :CHIP R447 47k :CHIP C447 47 25V R465 100k :CHIP C458 R466 0.1 1k 25V :CHIP B:CHIP R480 4.7k :CHIP C454 10p CH:CHIP Q404 2SA1037K R467 G SYNC 1k :CHIP Q405 2SC2412K G SYNC R421 1k :CHIP O≠≠S≠≠D S≠≠E≠≠L≠ DAC_SEL R419 1k :CHIP DMP_DATA R420 1k :CHIP DMP_CLK R424 1k :CHIP R487 100 :CHIP R405 2.2k :CHIP R417 1k :CHIP R404 100 :CHIP R416 2.2k :CHIP C446 0.01 B:CHIP R418 470 :CHIP 14 13 4Y D401 RD5.1ESB2 1A 1Y R415 2.2k :CHIP 12 C449 22p CH:CHIP R450 470 :CHIP R410 22k :CHIP 20 19 18 17 16 15 14 13 G2 DMP_DATA DMP_CLK DAC_SEL OSD_CONT CONT LD 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 IC408 M52348FP INPUT SELECT VCC VCC B_2 B_OUT VCC GND NC NC G_2 NC VCC VCC R_2 G_OUT H_2 GND V_2 VCC GND R_OUT B_1 GND GND G.SYNC G_1 VCC NC NC GND H_OUT R_1 VOUT H_1 GND V_1 SW R481 1.5k :CHIP R446 4.7k :CHIP Q406 2SA1037K G SYNC 3A 3B 3Y 4A 4B 12 11 10 9 8 IC402 MC74HC02AF NOR 34567 2B 2A 2Y 1B R409 1k :CHIP 12 11 C459 0.01 B:CHIP FC 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 C445 0.01 B:CHIP C403 0.01 B:CHIP C330 0.22 25V :CHIP C230 0.22 25V :CHIP C130 0.22 +12V OSD.BLK R.OSD G.OSD B.OSD B.OSD B.DRV G.OSD G.DRV R.OSD R.DRV R486 1k :CHIP R342 R341 1M 22 :CHIP :CHIP C411 0.1 25V B:CHIP OSD BLK BRT B.IN B.S/H VCC B.OUT GND VCC R242 1M :CHIP C409 0.1 25V B:CHIP R241 22 :CHIP G.IN VCC GDN GND G.OUT G.S/H C303 0.01 B:CHIP C203 0.01 B:CHIP C103 0.01 B:CHIP C421 0.01 B:CHIP R440 22k :CHIP C304 0.1 25V B:CHIP R309 390 :CHIP R324 3.3k :CHIP C443 C422 100 0.01 25V B:CHIP C324 220p CH:CHIP R209 R224 390 3.3k :CHIP :CHIP C204 B.DRV G.DRV R.DRV BRT IC407 FA4111 652 3 4 RGB-VIDEO-AMP R.IN R.E.P. R.OUT GND G.OUT G.E.P. G.IN VBB GND VBB B.IN B.E.P. B.OUT VCC C110 D303 0.1 1SS376TE-17 25V C309 B:CHIP R306 R334 0.47 R125 1 2 3 4 5 6 7 8 9 10 11 12 13 14 22 :CHIP 0 250V :CHIP :MPS 390 :CHIP C448 R126 390 :CHIP 1 R127 390 :CHIP R129 22 :CHIP 0.1 25V B:CHIP C209 R206 22 D304 :CHIP 1SS376TE-17 0.47 250V :MPS C405 22 100V R234 0 D203 1SS376TE-17 R105 :CHIP C109 47 :CHIP D204 0.47 250V Q103 1SS376TE-17 :MPS 2SA1738 R BUFF R330 R106 R134 R225 C210 390 0.1 R452 470 R453 2.2k 150 22 :RN-CP :CHIP 0 :CHIP :CHIP 25V B:CHIP R226 390 :CHIP :CHIP :CHIP D104 D103 1SS376TE-17 1SS376TE-17 C311 R227 390 :CHIP R229 22 :CHIP 22p CH:CHIP R205 R130 R230 FB101 0UH FB301 OUH FB201 0UH 8 1 KB 7 2 GND 6 3 KG 5 4 GND 4 5 KR 3 6 GND 2 7 HEATER 1 8 GND R207 2.2M :CHIP CN407 8P R232 2.2M :CHIP R107 2.2M :CHIP R132 2.2M :CHIP +80V GND KB GND KG GND KR GND HEATER GND CN408 8P R308 22 FV 1/2W :RC 18 J401 27 SG301 FGND FV G1 3 6 R208 45 22 1/2W 54 :RC R108 63 22 1/2W 7 2 :RC 81 SG201 1 FC 13 3 H1 4 H2 5 6 G1 GND 11 10 G1 9 8 7 KR KG 9 G2 KB 8 FB418 FB417 0UH 0UH SG101 C434 7 SG401 1000p 500V B C BLOCK SG402 C438 0.0047 2kV E R458 10k 1/2W :RC(G2) (G2) TO D BOARD T901(FBT) FV2 TO D BOARD T901(FBT) FV1 RCV V901 H PICTURE TUBE KB KR G2 G4 KG G1 GM HV TO D BOARD T901(FBT)HV 25V 0.1 C224 47 :CHIP 68 220 C455 C404 47 25V C462 0.01 B:CHIP :CHIP CONT R142 1M :CHIP R141 22 :CHIP R.IN R.OUT C414 V REF. R.S/H 0.1 25V B:CHIP C410 CONT BLK 0.01 B:CHIP OSD CONT OSD_CONT R425 100k :CHIP CLAMP C413 0.01 IC403 B:CHIP LM1283N RGB-PRE-AMP R434 100 :CHIP 25V 220p B:CHIP CH:CHIP R109 R124 390 3.3k :CHIP :CHIP C104 0.1 25V C124 220p CH:CHIP B:CHIP R437 1k :CHIP D306 MA111 Q203 2SA1738 G BUFF R325 C310 390 0.1 :CHIP 25V B:CHIP R326 390 :CHIP R327 390 :CHIP R305 47 :CHIP Q303 2SA1738 B BUFF :RN-CP C111 22p CH:CHIP R329 22 :CHIP :RN-CP C211 22p CH:CHIP 0.22 25V B:CHIP C427 0.22 25V B:CHIP C453 47 100V :HT R114 100k :CHIP R171 100k :CHIP D205 1SS376TE-17 D207 1SS376TE-17 D105 1SS376TE-17 R116 100k :CHIP R172 100k R115 :CHIP R214 100k :CHIP R271 100k :CHIP D107 1SS376TE-17 R216 100k :CHIP R272 100k :CHIP R215 D305 1SS376TE-17 R307 2.2M :CHIP D307 R332 1SS376TE-17 2.2M :CHIP D407 1SS376TE-17 R314 100k :CHIP R316 100k :CHIP C432 10 200V R371 R372 100k 100k :CHIP R315:CHIP CN405 2P WHT R461 :VH 2.2M 1W :RN 1 NC 2 1KV TO D BOARD CN505 STBY+5V C402 0.01 B:CHIP Q401 DTC124EKA INV R435 4.7k :CHIP Q402 D406 1SS119 2SC2412K D106 D206 MA111 MA111 Q101 2SC4015 R-CUTOFF-AMP 1k :CHIP Q102 2SA10910 R117 1k BUFF :CHIP C107 1k :CHIP Q202 2SA10910 R217 1k BUFF :CHIP 1k :CHIP Q302 2SA10910 BUFF GT401 VIDEO OUT 2.2 C207 C307 C442 0.01 B:CHIP R432 C420 33p CH:CHIP R436 4.7k :CHIP +12V R448 R449 C452 4.7k 4.7k 47 :CHIP :CHIP 25V R113 2.2k :CHIP 250V Q201 R213 2.2k 2.2 250V 2SC4015 :CHIP Q301 R313 2SC4015 2.2k :CHIP 2.2 250V G-CUTOFF-AMP B-CUTOFF-AMP R317 1k :CHIP 1k :CHIP G2 R464 100k :CHIP C468 470p 2kV B R110 39k :CHIP R112 1M :CHIP C106 0.01 B:CHIP R451 2.2M :CHIP R462 56k :CHIP R463 10M 1/4W :RN R488 15k GT402 R111 :CHIP FLOATING R429 1M :CHIP R431 5.6k :CHIP C415 0.1 25V B:CHIP R428 1.8k -2 C425 22p CH:CHIP IC404 LSC4308DW2EL OSD VSSA VSS R118 39k :CHIP 47k :CHIP R104 1M :CHIP C430 R403 0.01 100k B:CHIP :CHIP 14 13 12 11 10 9 8 OUT - + IC405 + LM324M-FL63 - OUT RGB-CUTOFF-CONT D413 1SS119 SW Q410 2SC5022-02 G2-AMP C437 100 25V R456 R457 3.3k 10k :CHIP :CHIP R460 R459 3.3k 100 :CHIP :CHIP Q411 DAT144-EKA D417 C469 MA111 4.7 PS402 1A C467 1000p 500V B L405 22µH C440 1000p 500V 1 B L401 100µH 2 CN406 7P WHT-L :S-MICRO HEATER GND :CHIP C435 47 25V R430 1.5k :CHIP C408 0.1 C418 25V 22p B:CHIP CH:CHIP L404 C407 VC0 RP VDDA R R.OSD G G.OSD B B.OSD R439 OUT 12 R204 1M :CHIP + + - OUT 34567 R210 R310 39k 39k :CHIP :CHIP R304 1M :CHIP R312 D414 RD3.3ESB2 R401 2.2k :CHIP Q409 2SA1037K G2 CONT FB405 0UH FB406 0UH PS401 FB408 1A 0UH D415 HSS83TD 3 STBY+5V 4 +15V 5 +80V 6 GND 7 +B(+180V) TO D BOARD 100µH 0.1 25V B:CHIP C406 22p HFLB 1k FBKG :CHIP OSD.BLK R212 1M C429 R211 0.1 47k 25V :CHIP B:CHIP 1M :CHIP R311 47k C466 1000p 500V B C412 CN504 0.1 25V B:CHIP O≠≠S≠≠D S≠≠E≠≠L≠ CH:CHIP SS H.TONE/ PWMCK :CHIP :CHIP +12V C433 47 OI G C439 C444 1000p 0.1 500V 25V B B:CHIP DMP_DATA HOSI VFLB C424 25V R218 C206 DMP_CLK 47 25V SCK VDD 39k :CHIP 0.01 B:CHIP IC406 TA78M12S C436 47 25V NC NC R318 39k :CHIP C306 0.01 B:CHIP STBY+5V 12V REG A C460 47 25V NC NC (VIDEO AMP,RGB OUT) Vcc A011 A012 MISO CLK MOS1 A01 A02 GND D416 MA111 Vss A03 A04 A05 A06 IC401 M62352GP D/A CONVERTER 1 2 3 4 5 6 7 8 9 10 R121 22k :CHIP :R2C22H2kI1P:R2C32H2kI1P:RC11Hk0I3P:RC12Hk0I3P:RC13Hk0I3P:R2C42H0kI8P A07 A08 A09 A10 VDD NC NC NC NC NC NC NC NC B-SS9064-A.. R469 10k :CHIP 14 13 12 11 10 9 8 7 6 5 4 3 2 1 15 16 17 18 19 20 21 22 23 24 25 26 27 28 G2 R_CUTOFF G_CUTOFF B_CUTOFF R_CUTOFF G_CUTOFF B_CUTOFF R.DRV G.DRV B.DRV BRT 5-13 5-14 Schematic diagram Ò A board • A BOARD WAVEFORMS 1 2 3 4.0 Vp-p (H) 4 50.0 Vp-p (H) 4.0 Vp-p (H) 5 6 50.0 Vp-p (H) 7 4.0 Vp-p (H) 8 50.0 Vp-p (H) 9 50.0 Vp-p (H) 50.0 Vp-p (H) 50.0 Vp-p (H) • A BOARD VOLTAGE LIST Ref. Pin No. Voltage [V] Ref. Pin No. Voltage [V] IC403 1 2 3 4 5 8 11 12 13 14 15 16 17 18 19 20 23 24 25 26 27 28 IC407 1 2 3 5 6 7 8 10 11 12 13 1.6 1.6 1.6 0 2.2 2.2 2.2 2 1.7 1.5 4.8 4 6.7 2.2 6.8 2.1 2.1 6.8 1.5 3.4 3.5 3.4 2.8 2.0 50.8 50.8 1.9 2.8 9.8 9.8 2.8 1.9 50.8 C E Q202 B C E Q203 B E Q301 B C E Q302 B C E Q303 B E Q401 B C Q402 B E Q404 B C E Q405 B C Q406 B E 91.7 5.2 91.7 0.6 92.3 1.9 2.6 5.8 92.1 5.2 92.1 0.6 92.7 1.9 2.6 0 6.1 5.5 4.8 3.5 0.6 4.1 0.6 3.3 3.3 3.6 Q101 B 5.8 Q409 B 8.3 C 93.3 E 7.8 E 5.2 Q410 B 8.3 Q103 B 1.9 C 2.6 C 463 E 7.8 Q102 B C E Q201 B 93.3 J401 KB 70 0.6 KG 70 94 KR 70 G2 462 5.8 H2 6.2 Schematic diagram H board l 5-15