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Compaq MV-920 Service Manual

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COMPAQ
MV-920
MODEL
SERVICE MANUAL

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Summary of Contents for Compaq MV-920

  • Page 1 COMPAQ MV-920 MODEL SERVICE MANUAL...
  • Page 2 2 Product Specifications 2-1 Specifications Item Description Picture Tube: 17-Inch (43 cm): 16-inch (40.6 cm) viewable, 19-Inch (48.2 cm): 18-inch (45.8 cm) viewable, 21-Inch (53 cm): 20-inch (50.8 cm) viewable, 17”/19”: 0.26 mm Dot pitch, 21”: 0.25 mm Dot pitch, Full-square flat-face tube, 90˚...
  • Page 3 2 Product Specifications Table 2-1. Timing Chart Mode VESA MAC. VGA2/70Hz VGA3/60Hz 640/85 Hz 800/85 Hz 1024/85 Hz 1600/75 Hz 1600/85 Hz 1152/75 Hz 1280/75 Hz 1280/85 Hz 720 x 400 640 x 480 640 x 480 800 x 600 1024 x 768 1600 x 1200 1600 x 1200...
  • Page 4 6 Exploded View and Parts List 6-1 PG17** PG17**/PG19**/PG21**...
  • Page 5 6 Exploded View & Parts List 6-2 PG19** PG17**/PG19**/PG21**...
  • Page 6 6 Exploded View & Parts List 6-3 PG21** PG17**/PG19**/PG21**...
  • Page 7 6 Exploded View & Parts List Memo PG17**/PG19**/PG21**...

  • Page 8: Exploded View And Parts List

    6 Exploded View and Parts List 6-1 Front Cover & CRT Ass’y (PG17**) PG17**/PG19**/PG21**...
  • Page 9 6 Exploded View & Parts List 6-2 Chassis & Stand Ass’y (PG17**) PG17**/PG19**/PG21**...

  • Page 10: Rear Cover Ass'y

    6 Exploded View & Parts List 6-3 Rear Cover Ass’y (PG17**) PG17**/PG19**/PG21**...
  • Page 11 6 Exploded View & Parts List 6-4 Front Cover & CRT Ass’y (PG19**) PG17**/PG19**/PG21**...
  • Page 12 6 Exploded View & Parts List 6-5 Chassis & Stand Ass’y (PG19**) PG17**/PG19**/PG21**...
  • Page 13 6 Exploded View & Parts List 6-6 Rear Cover Ass’y (PG19**) 6-10 PG17**/PG19**/PG21**...
  • Page 14 6 Exploded View & Parts List 6-7 Front Cover & CRT Ass’y (PG21**) PG17**/PG19**/PG21** 6-11...
  • Page 15 6 Exploded View & Parts List 6-8 Chassis & Stand Ass’y (PG21**) 6-12 PG17**/PG19**/PG21**...
  • Page 16 6 Exploded View & Parts List 6-9 Rear Cover Ass’y (PG21**) PG17**/PG19**/PG21** 6-13...
  • Page 17 6 Exploded View & Parts List Memo 6-14 PG17**/PG19**/PG21**...

  • Page 18: Electrical Parts List

    7 Electrical Parts List 7-1 Main PCB Parts Loc. No. Code No. Description Specification Remarks BD261 3301-000011 CORE-FERRITE BEAD AA,3.5x1.0x5.7mm,1500,2375G BD262 3301-000011 CORE-FERRITE BEAD AA,3.5x1.0x5.7mm,1500,2375G BD265 3301-000011 CORE-FERRITE BEAD AA,3.5x1.0x5.7mm,1500,2375G BD266 3301-000011 CORE-FERRITE BEAD AA,3.5x1.0x5.7mm,1500,2375G BD401 3301-000011 CORE-FERRITE BEAD AA,3.5x1.0x5.7mm,1500,2375G BD402 3301-000011 CORE-FERRITE BEAD...
  • Page 19 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C266 2401-000603 C-AL 1uF,20%,50V,GP,TP,5x11,5 C267 2202-002148 C-CERAMIC,MLC-RADIAL 0.68NF,2%,50V,NP0,TP,5.1X3.2X6.4MM,5 C268 2401-000480 C-AL 10uF,20%,50V,GP,TP,5x11,5 C269 2202-000654 C-CERAMIC,MLC-RADIAL 100nF,10%,50V,X7R,TP,5.1x6.6,5 C270 2401-000050 C-AL 10uF,20%,16V,GP,TP,5x11,2.5 C271 2305-001041 C-FILM,MPEF 220nF,5%,63V,TP,7.5x4.5x13.5,5 C272 2201-000017 C-CERAMIC,DISC 1nF,10%,50V,Y5P,TP,4x3.5,5 C273 2301-000005 C-FILM,PEF 33nF,5%,100V,TP,5.8x12.5x3,5...
  • Page 20 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C425 2202-002008 C-CERAMIC,MLC-AXIAL 10nF,+80-20%,50V,Y5V,TP,2.3X3. C426 2202-000470 C-CERAMIC,MLC-RADIAL 330pF,5%,100V,NPO,TP,5.1x5.1x3 C427 2303-000011 C-FILM,PPF 1nF,5%,100V,TP,14x11.5mm,7.5mm C428 2301-000020 C-FILM,PEF 27nF,5%,100V,TP,7.3x4x12.5mm,5 C429 2301-000284 C-FILM,PEF 47nF,5%,100V,TP,8.5x12.5mm,5mm C430 2401-000480 C-AL 10uF,20%,50V,GP,TP,5x11,5 C431 2202-002008 C-CERAMIC,MLC-AXIAL 10nF,+80-20%,50V,Y5V,TP,2.3X3. C432 2201-000019 C-CERAMIC,DISC 10nF,+80-20%,500V,Y5V,TP,13.5x...
  • Page 21 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C604 2301-001285 C-FILM,MPPF 680NF,10%,275V,BK,31X11X21MM,27.5 C605 2201-000023 C-CERAMIC,DISC 2.2nF,20%,125V,Y5U,TP,11x7,5 C606 2201-000023 C-CERAMIC,DISC 2.2nF,20%,125V,Y5U,TP,11x7,5 C607 2401-000015 C-AL 33uF,20%,50V,WT,-,6.3x11mm,2.5 C608 2202-002009 C-CERAMIC,MLC-AXIAL 100nF,+80-20%,50V,Y5V,TP,2.3X3 C609 2401-003483 C-AL 270uF,20%,400V,GP,BK,25.4x45,10 C610 2201-000019 C-CERAMIC,DISC 10nF,+80-20%,500V,Y5V,TP,13.5x C611 2201-000012 C-CERAMIC,DISC 220pF,10%,1KV,Y5P,TP,6x5,5...
  • Page 22 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks BH75-10655E UNIT/BRKT-CDT PG19HS,SECC T1.0 6501-000004 CABLE TIE DA-80,T1,W2.5,L80,NTR,NYLON66 6502-000131 CABLE CLAMP DAWS-1NA,ID10,-,NTR,NYLON66 BH27-00020A COIL-DEGAUSSING DAWS-1NA,ID10,-,NTR,NYLON66 BH39-00054A CBF-HARNESS 1P,320MM,BLK,UL1015,3*0.16TA*16/AWG BH70-10500B BRKT-CDT/R,L PG19*,SECC-CL,T1.0 BH70-10536B BRKT-CDT/TOP PG19H/L,SECC-CL,T1.0 BH70-10537B BRKT-CDT/BOTTOM PG19HS/LS,SECC-CL,T1.0 BH71-00001A EARTH-PLATE CHB7707,PBS,T0.3 BH72-60778A COVER-D/COIL...
  • Page 23 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks BH62-30024B HEAT/SINK-IC SPC-1,T1,SN COATING BH13-00012A IC-POWER SWITCH PG17/19/21,DP308O,TO-3P-5L,5P,POWER BH61-70003A SPRING CVT4857,STS304-W1/2H,T0.5,W3.8 BH62-30412D HEAT/SINK A6063S,T1.8,CSH780B 0402-001215 DIODE-RECTIFIER SDS10U150S,1500V,10A,TO-220F,S 0502-001143 TR-POWER 2SC5583,NPN,150W,TOP-3L,ST,6-1 BH62-00001A INSULATION-MICA MICA,W25XL35XT0.15,CSM920B BH71-10436A COVER-BRKT H/S CSM920B,SPTE,T0.5,SM,SE 6021-000118 NUT-HEXAGON 1C,M3,ZPC(YEL),SM20C BH62-30425A HEAT/SINK...
  • Page 24 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks D409 0402-000208 DIODE-RECTIFIER EK-04,40V,1.5A,DO-41 D411 0402-000007 DIODE-RECTIFIER 1N4937GP,600V,1A,DO-41,TP D412 0402-000007 DIODE-RECTIFIER 1N4937GP,600V,1A,DO-41,TP D413 0402-000012 DIODE-RECTIFIER UF4007,1KV,1A,DO-41,TP D414 0402-000272 DIODE-RECTIFIER UF4001,50V,1A,DO-41,TP D415 0401-000006 DIODE-SWITCHING BAV21,250V,250mA,DO-35,TP D416 0402-000454 DIODE-RECTIFIER RG10V1,400V,1.2A,DO-201 D451 0402-000274 DIODE-RECTIFIER UF4004,400V,1A,DO-41,TP...
  • Page 25 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks EY404 6042-000001 EYELET ID2.2,OD2.7,L3.1,SN,BSS3-E/EH EY405 6042-000002 EYELET ID1.5,OD2,L3.1,SN,BSS3-E/EH EY408 6042-000002 EYELET ID1.5,OD2,L3.1,SN,BSS3-E/EH EY409 6042-000002 EYELET ID1.5,OD2,L3.1,SN,BSS3-E/EH EY410 6042-000002 EYELET ID1.5,OD2,L3.1,SN,BSS3-E/EH EY411 6042-000002 EYELET ID1.5,OD2,L3.1,SN,BSS3-E/EH EY412 6042-000001 EYELET ID2.2,OD2.7,L3.1,SN,BSS3-E/EH EY413 6042-000001 EYELET ID2.2,OD2.7,L3.1,SN,BSS3-E/EH...
  • Page 26 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks IC203 1103-001150 IC-EEPROM 24C081,8KBIT,DIP,8P,300MIL,10MS,5V IC204 1103-001087 IC-EEPROM 24LC21,128x8BIT,DIP,8P,300MIL, IC261 1204-001448 IC-DEF. PROCESSOR SAM9222G,DIP,32P,300MIL,PLASTI IC402 1203-001099 IC-PWM CONTROLLER 3843,DIP,8P,250MIL,PLASTIC,30V IC403 BH13-00009A IC-H/V CONVERGENCE PG17/19,AN5452,SIP,12P,H/V CONVER IC501 1203-000610 IC-PWM CONTROLLER 494,DIP,16P,300MIL,PLASTIC,40V IC502 1201-000420 IC-OP AMP...
  • Page 27 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R201 2001-000613 R-CARBON 3.9KOHM,5%,1/8W,AA,TP,1.8X3.2MM R202 2001-000281 R-CARBON 100OHM,5%,1/8W,AA,TP,1.8X3.2MM R203 2001-000281 R-CARBON 100OHM,5%,1/8W,AA,TP,1.8X3.2MM R204 2001-000869 R-CARBON 56OHM,5%,1/8W,AA,TP,1.8X3.2MM R205 2001-000869 R-CARBON 56OHM,5%,1/8W,AA,TP,1.8X3.2MM R206 2001-000734 R-CARBON 4.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM R207 2001-000734 R-CARBON 4.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM R208 2001-000008 R-CARBON 15KOHM,5%,1/8W,AA,TP,1.8X3.2MM...
  • Page 28 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R263 2001-000281 R-CARBON 100OHM,5%,1/8W,AA,TP,1.8X3.2MM R264 2001-000281 R-CARBON 100OHM,5%,1/8W,AA,TP,1.8X3.2MM R265 2001-000290 R-CARBON 10KOHM,5%,1/8W,AA,TP,1.8X3.2MM R266 2001-000744 R-CARBON 4.7OHM,5%,1/8W,AA,TP,1.8X3.2MM R267 2004-001118 R-METAL 5Kohm,1%,1/4W,AA,TP,2.4x6.4mm R268 2001-000429 R-CARBON 1KOHM,5%,1/8W,AA,TP,1.8X3.2MM R269 2001-003190 R-CARBON 2.5MOHM,5%,1/8W,AA,TP,1.8X3.2MM R270 2001-000786 R-CARBON 47KOHM,5%,1/8W,AA,TP,1.8X3.2MM...
  • Page 29 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R403 2001-000011 R-CARBON 75KOHM,5%,1/8W,AA,TP,1.8X3.2MM R404 2001-000522 R-CARBON 22KOHM,5%,1/8W,AA,TP,1.8X3.2MM R405 2003-000473 R-METAL OXIDE(S) 10ohm,5%,3W,AA,TP,6x16mm R406 2001-000006 R-CARBON 2.4KOHM,5%,1/8W,AA,TP,1.8X3.2MM R407 2001-000958 R-CARBON 750OHM,5%,1/8W,AA,TP,1.8X3.2MM R408 2001-000011 R-CARBON 75KOHM,5%,1/8W,AA,TP,1.8X3.2MM R409 2001-000037 R-CARBON(S) 330OHM,5%,1/2W,AA,TP,2.4X6.4MM R410 2003-000557 R-METAL OXIDE(S)
  • Page 30 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R469 2001-000429 R-CARBON 1KOHM,5%,1/8W,AA,TP,1.8X3.2MM R470 2001-000429 R-CARBON 1KOHM,5%,1/8W,AA,TP,1.8X3.2MM R471 2003-000450 R-METAL OXIDE(S) 100Kohm,5%,3W,AA,TP,6x16mm R472 2001-000221 R-CARBON 1.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM R473 2001-000411 R-CARBON 18KOHM,5%,1/8W,AA,TP,1.8X3.2MM R474 2001-000429 R-CARBON 1KOHM,5%,1/8W,AA,TP,1.8X3.2MM R475 2001-000273 R-CARBON 100KOHM,5%,1/8W,AA,TP,1.8X3.2MM R476 2001-000022 R-CARBON(S)
  • Page 31 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R553 2001-001153 R-CARBON(S) 47OHM,5%,1/2W,AA,TP,2.4X6.4MM R554 2001-000734 R-CARBON 4.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM R555 2001-000319 R-CARBON 120KOHM,5%,1/8W,AA,TP,1.8X3.2MM R556 2001-000045 R-CARBON 1.8KOHM,5%,1/4W,AA,TP,2.4X6.4MM R558 2003-000462 R-METAL OXIDE(S) 10Kohm,5%,2W,AA,TP,4x12mm R560 2001-000522 R-CARBON 22KOHM,5%,1/8W,AA,TP,1.8X3.2MM R561 2001-000890 R-CARBON 6.8KOHM,5%,1/8W,AA,TP,1.8X3.2MM R562 2001-000241 R-CARBON...
  • Page 32 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks R665 2004-000964 R-METAL 470Kohm,1%,1/4W,AA,TP,2.4x6.4m R666 2004-000964 R-METAL 470Kohm,1%,1/4W,AA,TP,2.4x6.4m R667 2004-001211 R-METAL 7.5Kohm,1%,1/4W,AA,TP,2.4x6.4m R668 2001-000734 R-CARBON 4.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM R669 2001-000793 R-CARBON 47OHM,5%,1/8W,AA,TP,1.8X3.2MM RL601 3501-001111 RELAY-POWER 12Vdc,250mW,5A,1FormA,15mS,5mS SK521 4715-000001 SURGE ABSORBER 1KV,+50-10% T401 BH26-00041A TRANS-HOR.DRIVE...
  • Page 33 7 Electrical Parts List 7-2 Video PCB Parts Loc. No. Code No. Description Specification Remarks BD101 3301-000011 CORE-FERRITE BEAD AA,3.5x1.0x5.7mm,1500,2375G BD105 3301-000011 CORE-FERRITE BEAD AA,3.5x1.0x5.7mm,1500,2375G BD106 3301-000011 CORE-FERRITE BEAD AA,3.5x1.0x5.7mm,1500,2375G BD151 3301-000011 CORE-FERRITE BEAD AA,3.5x1.0x5.7mm,1500,2375G BD155 3301-000011 CORE-FERRITE BEAD AA,3.5x1.0x5.7mm,1500,2375G BD181 3301-000011 CORE-FERRITE BEAD...
  • Page 34 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks C172 2201-000234 C-CERAMIC,DISC 150pF,5%,50V,CH,TP,9.5x3,5 C181 2201-000288 C-CERAMIC,DISC 1nF,10%,2KV,Y5P,TP,10x5mm,10mm C182 2201-000119 C-CERAMIC,DISC 100nF,+80-20%,50V,Y5V,TP,8x3.5 C183 2201-000530 C-CERAMIC,DISC 4.7nF,10%,500V,YB,TP,12.5x4,5 CB01 2202-002009 C-CERAMIC,MLC-AXIAL 100nF,+80-20%,50V,Y5V,TP,2.3X3 CB02 2202-000319 C-CERAMIC,MLC-RADIAL 100nF,10%,100V,X7R,TP,5.1x3.2x CB11 2201-000222 C-CERAMIC,DISC 12pF,5%,50V,NPO,TP,4x3.5,5 CB12 2201-000504 C-CERAMIC,DISC 39pF,5%,50V,SL,TP,5...
  • Page 35 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks CR11 2201-000689 C-CERAMIC,DISC 8pF,0.5pF,50V,CH,TP,4x3.5,5 CR12 2201-000504 C-CERAMIC,DISC 39pF,5%,50V,SL,TP,-,5 CR14 2305-000009 C-FILM,MPEF 100nF,5%,250V,TP,13x11x6.5,7.5 CR16 2401-003479 C-AL 0.47UF,20%,100V,WT,TP,5X11MM,5 CR17 2401-003479 C-AL 0.47UF,20%,100V,WT,TP,5X11MM,5 CR21 2202-002009 C-CERAMIC,MLC-AXIAL 100nF,+80-20%,50V,Y5V,TP,2.3X3 2201-002080 C-CERAMIC,DISC 0.027NF,5%,500V,NPO,TP,6.3X4MM,5 2301-000188 C-FILM,PEF 1nF,5%,100V,TP,10.5x12.5x6.5,5 D104 0401-000005...
  • Page 36 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks QR51 0501-000581 TR-SMALL SIGNAL 2N3906,PNP,625mW,TO-92,TP,100 R101 2001-000281 R-CARBON 100OHM,5%,1/8W,AA,TP,1.8X3.2MM R102 2001-001000 R-CARBON 82KOHM,5%,1/8W,AA,TP,1.8X3.2MM R103 2001-000290 R-CARBON 10KOHM,5%,1/8W,AA,TP,1.8X3.2MM R110 2001-000281 R-CARBON 100OHM,5%,1/8W,AA,TP,1.8X3.2MM R111 2001-000290 R-CARBON 10KOHM,5%,1/8W,AA,TP,1.8X3.2MM R112 2001-000472 R-CARBON 2.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM R113 2001-000290 R-CARBON...
  • Page 37 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks RB16 2001-000962 R-CARBON 75KOHM,5%,1/4W,AA,TP,2.4X6.4MM RB17 2001-000020 R-CARBON(S) 22OHM,5%,1/2W,AA,TP,2.4X6.4MM RB21 2001-000273 R-CARBON 100KOHM,5%,1/8W,AA,TP,1.8X3.2MM RB26 2001-000003 R-CARBON 330ohm,5%,1/8W,AA,TP,1.8x3.2mm RB31 2001-000110 R-CARBON 10OHM,5%,1/4W,AA,TP,2.4X6.4MM 2001-000221 R-CARBON 1.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM RG02 2001-000666 R-CARBON 33OHM,5%,1/8W,AA,TP,1.8X3.2MM RG04 2001-000356 R-CARBON 150KOHM,5%,1/8W,AA,TP,1.8X3.2MM RG05...
  • Page 38 7 Electrical Parts List 7-3 SOG PCB Parts Loc. No. Code No. Description Specification Remarks BD150 3301-000011 CORE-FERRITE BEAD AA,3.5x1.0x5.7mm,1500,2375G BD151 3301-000011 CORE-FERRITE BEAD AA,3.5x1.0x5.7mm,1500,2375G C151 2202-002009 C-CERAMIC,MLC-AXIAL 100nF,+80-20%,50V,Y5V,TP,2.3X3 C152 2201-000573 C-CERAMIC,DISC 47pF,5%,50V,CH,TP,6.5x3.0,5 C153 2201-000573 C-CERAMIC,DISC 47pF,5%,50V,CH,TP,6.5x3.0,5 C154 2201-000573 C-CERAMIC,DISC 47pF,5%,50V,CH,TP,6.5x3.0,5 C155 2201-000573...
  • Page 39 7 Electrical Parts List Loc. No. Code No. Description Specification Remarks DR53 0401-000005 DIODE-SWITCHING 1N4148,100V,200MA,DO-35,TP DR54 0401-000005 DIODE-SWITCHING 1N4148,100V,200MA,DO-35,TP EY101 6042-000001 EYELET ID2.2,OD2.7,L3.1,SN,BSS3-E/EH EY102 6042-000001 EYELET ID2.2,OD2.7,L3.1,SN,BSS3-E/EH EY103 6042-000001 EYELET ID2.2,OD2.7,L3.1,SN,BSS3-E/EH EY104 6042-000001 EYELET ID2.2,OD2.7,L3.1,SN,BSS3-E/EH EY105 6042-000001 EYELET ID2.2,OD2.7,L3.1,SN,BSS3-E/EH 1001-001101 IC-ANALOG SWITCH KA2507,SDIP,24P,300MIL,SINGLE,7V,25T 0801-000337...
  • Page 40 7 Electrical Parts List Others Loc. No. Code No. Description Specification Remarks BH03-00029A CRT-COLOR 0.26,M46LPA507XX608(F3G1 PROCESS-PBA UNIT BH94-30018F ASS’Y,PCB CSF9839T/EDC B/D ASS’Y CODE BH98-10017J ASS’Y,PCB-MAIN CSF9839T/EDC BH98-20006T ASS’Y,PCB-VIDEO CSF9839T/EDC BH98-60002N ASS’Y,PCB-SOCKET CSF9839T/EDC P/CORD BH39-10007A CBF-POWER/CORD DET,250V/6A,H05W-F,LP-34A/KKP SIGNAL BH39-00001A CBF-SIGNAL 1830MM,15P/15P,IVORY,2990,D-SUB/MALE PG17**/PG19**/PG21** 7-23...
  • Page 41 7 Electrical Parts List 17”,19”FST,S/L BNC Yes,No(main) Different Parts List LOCATION PG****(WITH BNC) PG****(WITHOUT BNC) code spec code spec BNC ASSY' BH98-00076C NONE (Auto Selection) ZD245 NONE 0403-000361 DIODE-ZENER,6.2V ZD246 NONE 0403-000361 DIODE-ZENER,6.2V ZD247 NONE 0403-000361 DIODE-ZENER,6.2V ZD248 NONE 0403-000361 DIODE-ZENER,6.2V ZD249 NONE...
  • Page 42 7 Electrical Parts List PEGASUS-PJT BNC Yes,No(Video 19”) Different Parts List LOCATION PG19**(WITH BNC) PG19**(WITHOUT BNC) code spec code spec (Auto Selection) WITH BNC WITHOUT BNC C170 NONE 2202-002009 C-CERAMIC,100NF,50V" CG04 NONE 2401-000597 C-AL,1UF,50V DB01 NONE 0401-000005 DIODE-SWITCHING;1N4148 DB02 NONE 0401-000005 DIODE-SWITCHING;1N4148 DG01...
  • Page 43 7 Electrical Parts List PJT 17” BASIC/OEM(main) Different Parts List LOCATION PG17*S PG17*0 code spec code spec (Auto Selection) JP214 BH39-40305U CBF-HARNESS NONE JP267 NONE BH39-40305U CBF-HARNESS Q663 NONE 0501-000586 TR-SMALLSIGNAL;KSC945 R290 NONE 2001-000221 R-CF,1.2KOHM,1/8W R291 NONE 2001-000007 R-CF,3KOHM,1/8W R292 NONE 2001-000812 R-CF,5.6KOHM,1/8W...
  • Page 44 7 Electrical Parts List PJT 17” CDT(main) Different Parts List LOCATION PG17** TBS:BH03-10339L PG19** SDD:BH03-10339A code spec code spec (Auto Selection)) C422 2301-000005 C-FILM,PEF;33nF,5%,100V 2301-000016 C-FILM,PEF;22nF,5%,100V R302 2004-000481 R-METAL, 2.4Kohm,1%,1/4W 2004-001661 R-ETAL,3Kohm,1%,1/4W R303 2004-002234 R-MF;560 OHM,1/4W 2004-000268 R-MF;120 OHM,1/4W R304 2004-000412 R-METAL;18Kohm,1%,1/4W 2004-000344...
  • Page 45 7 Electrical Parts List PJT 19” (FST) CDT (main) Different Parts List LOCATION PG19** TSB:BH03-00029A PG19** SDD:BH03-00030A code spec code spec (Auto Selection) C411 2301-001304 C-FILM,PPF;1.5nF,2.5KV 2303-001022 C-FILM,PPF;2nF,2.5KV C412 2301-001169 C-FILM,PPF;1.8nF,2.5KV 2303-001022 C-FILM,PPF;2nF,2.5KV C413 NONE 2201-000469 C-CERAMIC,330PF,500V C422 2301-000174 C-FILM,PEF;15nF,5%,100V 2301-000148 C-FILM,PEF;10nF,5%,100V C451...
  • Page 46 7 Electrical Parts List PEGASUS - PROJECT MODEL CDT CODE NO MODEL PG17HS PG17HO CDT MAKER CDT CODE BH03-10339L BH03-10339A MODEL PG19HS PG19HO PG19LS PG19LO CDT MAKER CDT CODE BH03-00029A BH03-00029A BH03-00030A BH03-00030A MODEL PG19SS PG19SO PG19RS PG19RO CDT MAKER CDT CODE BH03-00001A BH03-00047A...
  • Page 47 7 Electrical Parts List LOCATION PG17**(FST) TDB:BH03-10339L PG19*S(FST) TSB:BH03-00029A code spec code spec R293 NONE NONE R294 NONE NONE R295 NONE NONE R296 NONE NONE R299 NONE NONE R301 2004-000532 R-METAL;20Kohm,1%,1/4W 2004-000344 R-METAL;15Kohm,1%,1/4W R302 2004-000481 R-METAL, 2.4Kohm,1%,1/4W 2004-000679 R-METAL, 2Kohm,1%,1/4W R303 2004-002234 R-MF;560 OHM,1/4W...
  • Page 48 7 Electrical Parts List LOCATION PG17**(FST) TDB:BH03-10339L PG19*S(FST) TSB:BH03-00029A code spec code spec R421 2003-000653 R-METALOXIDE(S);330ohm,3W 2006-001063 R-CEMENT;75OHM,5%,5W NONE NONE NONE NONE T601 BH26-00039A TRANS-POWER, 150UH,18P BH26-00039A TRANS-POWER, 150UH,18P C604 2301-001285 C-FILM,MPPF:680nF,275V,BK 2301-001285 C-FILM,MPPF:680nF,275V,BK C609 2401-003483 400V,270uF 2401-003483 400V,270uF LOCATION PG19**(S/L) MEC:BH03-00001A LOCATION...
  • Page 49 7 Electrical Parts List LOCATION PG19**(S/L) MEC:BH03-00001A LOCATION PG19**(S/L) MEC:BH03-00001A code spec code spec R305 2004-001254 "R-METAL;8.2Kohm,1%,1/4W" T601 BH26-00050A TRANS-POWER,130UH,EER4445 R404 2001-000679 R-CARBON;36KOHM,5%,1/8W C604 2305-001049 C-FILM,MPPF:1uF,275V,BK R410 2003-000557 R-METAL OXIDE(S), 2.2 ohm C609 2401-001137 400V,330uF R415 2001-000281 R-CF, 100ohm, 1/8W 21”...
  • Page 50 7 Electrical Parts List MAIN PCB R416 2001-000118 R-CARBON(S) C419 2201-000229 C-CERAMIC,DISC C454 2306-000263 C-FILM,MPPF C455 2306-000147 C-FILM,MPPF C456 2306-000169 C-FILM,MPPF C457 2306-000119 C-FILM,MPPF R309 2001-000016 R-CARBON(S) R314 2001-000734 R-CARBON R543 2001-000947 R-CARBON R523 2001-000812 R-CARBON L521 BH27-00027A COIL-CHOKE-1 L601 BH27-00026A COIL-LINE FILTER T601...
  • Page 51 7 Electrical Parts List PG17IS (FST TSB CDT Different Parts List) PG17HS (TSB) PG17IS (SDD) LO_NO code_no spec code_no spec R302 2004-000481 R-METAL, 2.4Kohm,1%,1/4W 2004-001661 R-METAL, 3Kohm,1%,1/4W R303 2004-002234 R-MF;560 OHM,1/4W 2004-000268 R-MF;120 OHM,1/4W R304 2004-000412 R-METAL;18Kohm,1%,1/4W 2004-000344 R-METAL;15Kohm,1%,1/4W R305 2004-001211 R-METAL;7.5Kohm,1%,1/4W 2004-001136...

  • Page 52: Block Diagram

    8 Block Diagram PG17**/PG19**/PG21**...
  • Page 53 8 Block Diagrams Memo PG17**/PG19**/PG21**...
  • Page 54 9 Wiring Diagram 9 Wiring Diagram MAIN PCB VIDEO PCB V_SYNC_IN SOG_OUT CN701 CN203 CN201 CN102 KEY2 KEY2 CLAMP KEY1 KEY1 H_SYNC_IN P/KEY P/KEY S_RASTER P/KEY DDC_CLK P/KEY BRIGHT DDC_DATA CN702 BRIGHT CONTRAST V_FLB MUTE CONT CN204 V_FLB LED 5 MUTE +5 V +5 V 6...
  • Page 55 10 Schematic Diagrams 10-1 Power Part Schematic Diagram R662 Q663 C603 CN604 10-1 PG17**/PG19**/PG21**...
  • Page 56 10 Schematic Diagrams CSE980B, CSE988B CSE780B, CSE788B 544 V (IC601, #1) ~33K ~33K 33~35K 33~35K 35~37K 35~37K 37~40K 37~40K CH1 P-P = 544 V CH1 RMS = 332.4 V 40~46K 40~46K 46~50K 46~50K 50~55K 50~52K 55~59K 52~55K 59~65K 55~59K 65~68K 59~65K 68~70K 65~68K...
  • Page 57 10 Schematic Diagrams 10-2 Micom Part Schematic Diagram 10-3 PG17**/PG19**/PG21**...
  • Page 58 10 Schematic Diagrams Table 10-1. IC201 (ST72E75) 3.42 V (IC201, #33) 3.16 V (IC201, #32) MODES MODES 31 kHz 68 kHz 91 kHz 31 kHz 68 kHz 91 kHz 5.05 5.05 5.05 5.03 5.03 2.18 2.18 2.18 4.06 2.75 3.77 CH1 P-P = 3.42 V CH1 RMS = 2.500 V CH1 P-P = 3.16 V...
  • Page 59 10 Schematic Diagrams 10-3 H/V Process Part Schematic Diagram Hout Ewout Vout R286 C279 10UF 1/6W R289 1/8W 10-5 PG17**/PG19**/PG21**...
  • Page 60 10 Schematic Diagrams 12.08 V (IC261, #26) 2.20 V (IC251, #15) CH1 P-P = 12.08 V CH1 RMS = 7.396 V CH1 P-P = 2.20 V CH1 RMS = 2.776 V PG17**/PG19**/PG21** 10-6...
  • Page 61 10 Schematic Diagrams 10-4 HORI & VERTICAL Part Schematic Diagram R304 R305 2.4K C422 R404 R301 R303 CN409 1.2nF L403 C457 R473 C460 300nF 1/8W 250V Q462 R420 C413 SKS10N20 R474 R472 1/8W 1.2K Q461 R475 1/8W R411 R412 100K KSC-945-Y 1/8W R421...
  • Page 62 10 Schematic Diagrams Table 10-3. IC301 (TDA8172) Table 10-6. IC501 (TL494CN) 10.96 V (IC402, #6) 230 V (Q405, Source) 11.6 V (Q406, Gate) 54 V (Q406, Drain) MODES MODES 31 kHz 68 kHz 91 kHz 31 kHz 68 kHz 91 kHz 1.09 1.09 1.08...
  • Page 63 10 Schematic Diagrams 10-5 HIGH VOLTAGE Parts Schematic Diagram R501 UF4004 JP495 V4W MF VR501 10-9 PG17**/PG19**/PG21**...
  • Page 64 10 Schematic Diagrams 11.36 V (Q501, Gate) 0.8 V (Q554, Emitter) CH1 P-P = 11.36 V CH1 RMS = 6.944 V CH1 P-P = 0.8 V CH1 RMS = 10.216 V PG17**/PG19**/PG21** 10-10...
  • Page 65 10 Schematic Diagrams 10-6 Video Parts Schematic Diagram (17”) 10-11 PG17**/PG19**/PG21**...
  • Page 66 10 Schematic Diagrams Table 10-7. IC1 (BA7657S) Table 10-8. IC03 (VPS14) 0.96 V (IC5, #5) 2.92 V (IC5, #26) 5.32 V (IC5, #14) 4.96 V (IC5, #13) MODES MODES MODES 31 kHz 68 kHz 91 kHz 31 kHz 68 kHz 91 kHz 31 kHz 68 kHz...
  • Page 67 10 Schematic Diagrams 10-7 Video Parts Schematic Diagram (21”) C119 100PF R170 1/8W C170 100nF DR01 1N4148 RR01 1/8W DR02 1N4148 DG01 1N4148 RG01 1/8W RG03 CG04 1/8W DB01 DG02 1N4148 1N4148 RB01 DB02 1N4148 1/8W R116 1/6W Q103 2N3904 R121 R122 4.7K...
  • Page 68 10 Schematic Diagrams 5.32 V (IC5, #14) 4.96 V (IC5, #13) CH1 P-P = 5.32 V CH1 RMS = 3.508 V CH1 P-P = 4.96 V CH1 RMS = 3.586 V PG17**/PG19**/PG21** 10-14...
  • Page 69 10 Schematic Diagrams 10-8 Connector & Option Boards Parts Schematic Diagram CN142 slcon4p C227 CN201 R290 R293 R291 R294 R292 R295 R299 R296 CN203 CN208 10-15 PG17**/PG19**/PG21**...

  • Page 70: Disassembly And Reassembly

    3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the PG17**/PG19**/ PG21** monitors. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. 3-1 Disassembly Cautions:1. Disconnect the monitor from the power source before disassembly. 2.

  • Page 71: Removing The Bracket

    3 Disassembly and Reassembly 3-1-7 Removing the Video PCB Assembly 3-1-9 Removing the Main PCB Rear Shield and Video PCB 1. Remove 6 screws on the main PCB. 1. Remove the 3 screws on the PCB Assembly. 2. Pull the Main PCB towards you and carefully lift out the main PCB and placet it on a flat, 2.

  • Page 72: Alignment And Adjustments

    4 Alignment and Adjustments This section of the service manual explains how to make permanent adjustments to the monitor. Direction is given for adjustment using the monitor Interface Board Ver. 2.0 and software (Softjig). 4-1 Adjustment Conditions Caution: Changes made without the Softjig are saved only to the user mode settings. As such, the settings are not permanently stored and may be inadvertently deleted by the user.
  • Page 73 4 Alignment and Adjustments 4-1-1 (i) BRIGHTNESS AND CONTRAST Note: The signal cable connector which includes the 3-wire cable must connect to the Unless otherwise specified, adjust control monitor. If you use Setup 2 (PC only, no volumes: signal generator) you can only make Brightness: Maximum adjustments to the signal timing available Contrast:...
  • Page 74 4 Alignment and Adjustments 4-2 Display Control Adjustments 4-2-1 Centering 4-2-1 (d) VERTICAL POSITION ADJUSTMENT Centering means to position the center point of CONDITIONS the display in the middle of the display area. Scanning frequency: 91 kHz/85 Hz Horizontal size and position and vertical size and Display image: Crosshatch pattern position control the centering of the display.
  • Page 75 4 Alignment and Adjustments 4-2-2 (b) VERTICAL LINEARITY ADJUSTMENT CONDITIONS Scanning frequency: 91 kHz/85 Hz Display image: Crosshatch pattern Brightness: Cut-off 5 mm Contrast: Maximum Figure 4-6. Parallelogram To adjust the Vertical Linearity, refer to Tables 4-1 and 4-2 for the tolerance range. 4-2-6 Side Pincushion Adjustment Click on the <<...

  • Page 76: Color Adjustments

    4 Alignment and Adjustments 4-3 Color Adjustments 4-3-2 (b) G-GAIN ADJUSTMENT 4-3-1 Color Coordinates (Temperature) 1/3H-1/2H Color temperature is a measurement of the FRONT BEZEL OPENING radiant energy transmitted by a color. For BACK RASTER 1/3V-1/2V computer monitors, the color temperature refers GREEN WINDOW to the radiant energy transmitted by white.
  • Page 77 4 Alignment and Adjustments 4-3-2 (d) WHITE BALANCE ADJUSTMENT VERIFICATION 4-3-3 (c) WHITE BALANCE ADJUSTMENT CONDITIONS CONDITIONS Scanning frequency: 68 kHz/85 Hz Scanning frequency: 68 kHz/85 Hz Display image: Back raster pattern Display image: Full white pattern X-Y Coordinates: x = 0.283 ± 0.02, Brightness: Cut-off y = 0.298 ±...
  • Page 78 4 Alignment and Adjustments 4-3-4 (d) WHITE BALANCE ADJUSTMENT VERIFICATION CONDITIONS Orientation: Monitor facing east Refer to the procedure for 9300K, section 4-3-2 (d). Scanning frequency: 68 kHz/85 Hz Display image: White flat field 4-3-5 Luminance Uniformity Check Luminance: Cut off point at the center of the display area Luminance is considered uniform only if the ratio of lowest to highest brightness areas on the screen...
  • Page 79 4 Alignment and Adjustments Memo PG17**/PG19**/PG21**...

  • Page 80: Troubleshooting

    5 Troubleshooting 5-1 Parts Level Troubleshooting Notes: 1. If a picture does not appear, fully rotate the brightness and contrast controls clockwise and reinspect. 2. Check the following circuits. • No raster appears: Power circuit, Horizontal output circuit, H/V control circuit, and H/V output circuit. •...
  • Page 81 5 Troubleshooting 5-1-2 DPMS Failure Check signal source H/V sync video level. Make No H/V sync (power off mode) LED blinks Check IC201 Pin 39. +12 V line off Check IC201 Pin 9. Check IC201 Pin 10. Q632 Base driving voltage exists? Check and replace Q632.
  • Page 82 5 Troubleshooting 5-1-3 H_Deflection Failure WAVEFORMS 1. Check R401, +12 V line. IC402 Pin 6 waveform is right? 2. Check IC402 Pins 6~5, 7~6. 10.96 V (IC402, #6) 3. Replace IC402. Q403 source waveform Check D407, D408, Q403, R436 is right? and R438, +210 V line.
  • Page 83 5 Troubleshooting 5-1-4 S Correction Failure Check S1 ~ S5 signal. S1~S5 signals are right at each Check and replace IC201. frequency block? Check and replace C430, C431, C433, C434, C435, C437 C441, C453, C454, C455, C456, C457, Q409~Q413, Q451~Q455, Q456~Q460 . 5-1-5 H_Lin.
  • Page 84 5 Troubleshooting 5-1-7 Abnormal H_Size WAVEFORMS T402 Pin 8 waveform is right? Check and replace T402. 29.8 V (T402, #8) Check some parts around D415, IC261 Pin 28, IC402 Pin 2 and IC201 Pin20. CH1 P-P = 29.8 V CH1 RMS = 7.14 V 5-1-8 Side Pin or Trap Failure IC261 Pin 24 output exists? Check and replace IC261.
  • Page 85 5 Troubleshooting 5-1-10 Tilt Failure Check tilt connector connection IC201 Pin 23 output duty varies Check and replace IC201. with different DAC values? IC403 Pin 10, 11 output varies with Check and replace IC403. different DAC values? Check and replace CRT. 5-1-11 V Deflection Failure ±14 V line is on? Refer to 5-1-1 No Power Supply...
  • Page 86 5 Troubleshooting 5-1-12 V Size or Pos. Variation Failure IC261 Pin 23 output varies with Check some parts around IC301. different DAC values? Check bias voltage. Check and replace IC261 and IC301. 5-1-13 High Voltage Failure Check +12 V line. Q524 gate driving pulse exist? Check and replace Q521, Q522, Q523, Q524 and IC501.
  • Page 87 5 Troubleshooting 5-1-14 ABL Failure Input full white pattern to monitor. IC101 (17”: IC104, Pin12) Pin 15 Check and replace IC101 (17”:IC104) . input exists and varies with different patterns? Check CN102. T501 Pin 8 output exists? Check and replace T501. IC103 (17”: IC04) Pin 16 output exists and varies with different Check and replace IC103 (17”: IC04).
  • Page 88 5 Troubleshooting 5-1-16 No Video Check signal cable and connection. IC101 Pins 2, 6 and 11 (17”: IC104, Check CN101 and BNC B’D IC1. Pin 5, 8, 10) inputs are right? IC101 Pins 29, 32 and 35 (17”: IC104, Pin 25, 28, 30) outputs Check I C bus and +12 V line.
  • Page 89 5 Troubleshooting 5-1-17 Micom Failure WAVEFORMS IC201 Pin 11 input is right? Check IC606. 3.42 V (IC201, #33) IC201 Pins 13 and 14 inputs Check X201, C204 and C205. are right? CH1 P-P = 3.42 V CH1 RMS = 2.500 V 3.16 V (IC201, #32) IC201 Pin 18 input is right? Check IC202.
  • Page 90 5 Troubleshooting 5-1-18 OSD Failure Check CN102 and connector Ass’y. IC103 (17”: IC04) Pin 17 input is Check and replace D302 and Q301. right? IC103 (17”: IC04) Pin 6 input is Check and replace Q104 (17”: Q103) . right? IC103 (17”: IC04) Pins 7 and 8 Check IC201 Pins 41 and 42.
  • Page 91 5 Troubleshooting 5-1-19 User Control Failure Check connector Ass’y. IC201 Pins 35 and 36 inputs are Check and replace function key. right at each function. Check and replace IC201. Done 5-1-20 Degaussing Failure Check degaussing connector. RL601 operation is right? Check D-Coil, TH601.

  • Page 92: General Troubleshooting

    5 Troubleshooting 5-2 General Troubleshooting 5-2-1 No Picture LED blinks? 5-2-2 Shut down LED is green color? LED is Amber color? Check signal cable. Check G2 voltage, high voltage, After restart monitor LED don’t R, G, B cathode voltage. come on, repair power circuit. 5-2-2 Shut Down Blinking LED’s? Check power supply.
  • Page 93 5 Troubleshooting 5-2-3 Missing Color Are proper Video levels on CN101 (D-Sub) Pins 1, 2 and 3, Check signal generator and cathode. R-BNC, G-BNC and B-BNC. Are proper AC voltage on all Refer to 5-1-16 No Video. cathodes? Check IC104 (17”: IC104 Pins 19, 20, Are proper DC voltage on all and 21) Pins 10, 11 and 12.
  • Page 94 5 Troubleshooting 5-2-4 Visible Retrace Check white balance adjustment. Is G2 voltage right? Check G2 control volume and FBT. Is blank pulse on Pin 27 of IC101 (17”: Pin 23 of IC104) on Video Check CN102, Q104 (17”: Q103). board? Is blank pedestal on Check IC101 (17”: IC104) and related Pins 29, 32 and 35 of IC101 (17”:...
  • Page 95 5 Troubleshooting 5-2-5 Unsynchronized Image Check input signals Pins 1, 2 and 3 of D-SUB connector. Are signals right? Check Video cable. Signals at Pins 1, 3 and 5 of IC1 Replace IC1. are right? Signals at CN201 Pins 6, 9 and Check wire dressing and connections.
  • Page 96 5 Troubleshooting 5-2-6 Misconvergence Try readjusting convergence. Is the convergence now Done within spec? Readjust convergence. Is the convergence now Done within spec? Change CRT and readjust convergence. Done PG17**/PG19**/PG21** 5-17...
  • Page 97 5 Troubleshooting 5-2-7 Poor Focus Adjust focus VR. Aging monitor and check for focus Improved focus? change. Check focus leads from FBT to CRT Socket. Check the CRT Socket. Refer to 5-1-15 Dynamic Is dynamic focus circuit right? Focus Failure. Replace the CRT and verify focus.

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