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Now downloading free:IBM 6557

IBM 6557 free download

Computer monitors - CRT, TFT, LCD, touch screen, plasma display - service manuals and repair information

File information:
File name:IBM 6557 chassis N3.rar
[preview 6557]
Size:855 kB
Extension:
Mfg:IBM
Model:6557 🔎
Original:chassis N3 🔎
Descr:6557 chassis N3 schematics
Group:Electronics > Computer equipment > Monitors
Uploaded:13-09-2004
User:voivoda
Multipart:No multipart

Information about the files in archive:
Decompress result:OK
Extracted files:1
File name IBM 6557 chassis N3.pdf

SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAMS (with FRAME SCHEMATIC DIAGRAM) TO FBT FV1 FV2 HV IC408 RGB INPUT SELECT IC403 RGB DRIVE 11 R_IN 8 G_IN 5 IC407 RGB OUT 18 BUFF Q103 BUFF Q203 BUFF Q303 1 R_IN 7 G_IN 11 3 R_OUT 5 G_OUT 13 5 3 1 7 D(POWER AC INLET SUPPLY,U-COM,DEFLECTION) IC606 4 7 5 CN403 R IN 2 1 G IN 2 3 B IN 2 6 7 5 2 R_IN2 G_IN2 B_IN2 27 R_OUT 30 G_OUT 35 R_OUT G_OUT B_OUT B_OUT B_IN 20 B_IN B_OUT CN601 AC L 1 AC N 3 F601 6.3A SW601 POWER T601 SWITCH TH601 B+SW Q606 CN407 KR KG KB HEATER(+) CN408 KR KG KB HEATER(+) V901 PICTURE TUBE 5 3 1 7 +17V 23 D601 T602 Q605 CN404 R IN 1 1 G IN 1 3 B IN 1 5 16 R_IN1 13 G_IN1 11 IC404 OSD 5 6 7 8 22 B_IN1 SW G.SYNC DGC CN602 DGC 4 DGC 1 THP601 T604 RY601 RY602 +180V REG IC604 +80V D617 +15V +180V 5 4 3 2 1 10 9 8 7 6 15 14 13 12 11 19 REG OUT Q608,609 RELAY DRIVE Q601 RELAY DRIVE Q607 VCC SW Q602 IC603 HD15 13W3 CN401 INPUT_SEL SYNC ON G AUTO S/C S/C ENABLE 5 1 3 4 G.SYNC Q404~Q406 25 OSD_SEL DAMP_DATA DAMP_CLK V BLK HFLB SS HOSI SCK VFLB R 26 G 25 B 24 FBKG 27 3 2 1 4 R_OSD G_OSD B_OSD OSD_BLK IC401 D/A CONVERTER R_DRV G_DRV B_DRV BRT CONT OSD CONT 26 27 28 25 13 14 6 7 8 9 12 13 15 16 17 IC402(1/4) 15 CLP BLK IC402(4/4) VIDEO OUT Q402 V BLK NOR 16 IC402(2/4) IC402(3/4) DAC_SEL DMP_CLK DMP_DATA R_DRV G_DRV B_DRV BRT CONT OSDCONT LD CLK MOSI R_CUTOFF G_CUTOFF B_CUTOFF 3 4 5 IC405(1/4) IC405(2/4) IC405(3/4) R_CUTOFF Q101,102 G_CUTOFF Q201,202 B_CUTOFF Q301,302 G2 IC406 12V REG +12V O I +180V +80V 1 7 5 4 3 CN406 HEATER(+) +180V +80V +15V STBY 5V C IC405(4/4) G2 19 A -15V G2 CONT Q409,Q410 +5V B SW Q610 PH601 CN402 CLAMP C.BLK OSD_SEL DAMP_DATA DAMP_CLK DAC_SEL H.BLK V.BLK 1 4 9 7 6 8 2 3 Q401 H BLK 2 CN405 1KV D PH602 IC605 5V REG T603 REG SW IC602 5 7 6 5 4 3 2 1 I HEATER REG IC601 2 3 O STBY5V CN504 +180V GND +80V +15V STBY5V GND HEATER A(VIDEO AMP,RGB OUT) B-SS9064-B/D-P1 C A CN502 C.SYNC_1 V.SYNC_1 GND C.SYNC-2 V.SYNC-2 GND DDC_SDA_1 DDC_SCL_1 HOST+5_1 DDC_SDA_2 DDC_SCL_2 HOST+5_2 1 2 3 4 5 6 7 8 9 10 11 12 IC701 BUFFER CS1 VS1 CS2 VS2 +15V 5V REG Q002 LCC-RB SW Q612 3 4 7 6 5-2. CIRCUIT BOARDS LOCATION 2 8 4 3 1 2 8 7 5 6 LCC-LB LCC-LT 3 4 7 6 + + OUT1 OUT2 CN701 LCC-LB(-) LCC-LB(+) LCC-LT(+) LCC-LT(-) LCC-RB(-) LCC-RB(+) LCC-RT(+) LCC-RT(-) LT LB RT RB IC702 BUFFER + + OUT1 OUT2 2 8 LCC-RT STBY+5V IC001 CPU A CN506 V.DY C V.DY H H.DY C H.DY H V.DY All voltages are in V. Readings are taken with a 10 M digital multimeter. Readings are taken with a color-bar signal input. Voltage variations may be noted due to normal production tolerances. * : Can not be measured. Circled numbers are waveform references. s : B + bus. S : B bus. 8 IC002 ROM SDA SCL 5 6 VCC 7 V CLK DGC 99 HTR SW 98 POWER SW 47 100 V SHAPE VDC 5 IC1504 V OUT 2 2 1 4 6 D H.DY H Note: The components identified by shading and mark ! are critical for safety. Replace only with part number specified. P70/IRQ



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