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Samsung DP17L Series Service Manual
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Samsung DP17L Series Service Manual

Samsung DP17L Series Service Manual

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SERVICE
Supplement
to the Service Manual DP17L*
This supplement contains information which differs from service manual DP17LS/LT
Use both this supplement and service manual part number BH68-00129A.
COLOR MONITOR
EXIT
EXIT
COLOR MONITOR
DP17L*
(For implementing TDA9113)
MENU
Manual
SUPPLEMENT-1
CONTENTS
1. Troubleshooting
2. Electrical Parts List
3. Schematic Diagrams

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Summary of Contents for Samsung DP17L Series

  • Page 1 COLOR MONITOR DP17L* (For implementing TDA9113) SERVICE Manual SUPPLEMENT-1 Supplement to the Service Manual DP17L* This supplement contains information which differs from service manual DP17LS/LT Use both this supplement and service manual part number BH68-00129A. COLOR MONITOR CONTENTS 1. Troubleshooting 2.
  • Page 2 Samsung Electronics Co., Ltd. October 2000 Printed in Korea P/N : BH68-00129A-02...
  • Page 3 Copyright Trademarks © 2000 by Samsung Electronics Co., Ltd. Samsung is a registered trademark and DP17L* and MacMaster Cable Adapter are All rights reserved. trademarks of Samsung Electronics Co., Ltd. This manual may not, in whole or in part, be...

  • Page 4: Troubleshooting

    1 Troubleshooting 1-1 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. • High voltage develops but no raster appears: Video output circuits. •...
  • Page 5 1 Troubleshooting 1-1-2 DPMS Failure WAVEFORMS Check signal source H/V sync video level. 100V (IC601, #1) Make No H/V sync (power off mode) CH1 P-P = 100V CH1 RMS = 325.8 V LED blinks Check IC201 Pin 40. +12 V line off Check IC201 Pin 5.
  • Page 6 1 Troubleshooting 1-1-3 H_Deflection Failure Does PWM output signal appear Does DC 12V appear at Check 12V line. at Pin 28 (H_out) of IC401? Pin 29 of IC401? WAVEFORMS Check IC401. 2.00 V (IC401, #28) Does Horizontal paluse signal Check IC401. appear at at Pin 26 of IC401? CH1 P-P = 2.00V CH1 RMS = 5.868V...
  • Page 7 1 Troubleshooting 1-1-5 H_Lin. Failure IC201 Pin 21 voltage varies with Replace IC201. different H_Lin. DAC values? IC603 Pin 9 voltage varies with Check +12 V, –10 V line. different H_Lin. DAC values? Check some parts around IC603. Check Q412, Q413, T402. 1-1-6 Invariable H_Size IC401 Pin 28 voltage varies with Check and replace IC401.
  • Page 8 1 Troubleshooting 1-1-8 Side Pin or Trap Failure WAVEFORMS IC401 Pin 24 output exists? Check and replace IC401. 1.00 V (IC401, #24) Refer to 5-1-7 Abnormal H_Size . CH1 P-P = 1.00V CH1 RMS = 3.008 V 1-1-9 Para. or Pin Balance Failure IC401 Pin 24 output varies with Refer to 5-1-7 Abnormal H_Size .
  • Page 9 1 Troubleshooting 1-1-11 V Deflection Failure WAVEFORMS 13 V, –10 V line is on? Refer to 1-1-1 No Power Supply 500 V (IC401, #23) IC401 Pin 23 output exists? Check and replace IC401. CH1 P-P = 500 V CH1 RMS = 1.425 V 10.0 V (IC301, #6) Check and replace some parts IC301 Pin 6 output exists?
  • Page 10 1 Troubleshooting 1-1-13 High Voltage Failure WAVEFORMS Check and replace IC401 IC401 Pin 28 OSC pulse exists? 2.00 V (IC401, #28) and +12 V line. Q402 Gate driving pulse exists? Check and replace Q401. CH1 P-P = 2.00 V CH1 RMS = 5.868 V 2.00 V (Q402, Gate) Check and replace Q403, Q402 Drain pulse exists?
  • Page 11 1 Troubleshooting 1-1-15 Dynamic Focus Failure WAVEFORMS IC401 Pin 32 output is right? Replace the IC401. 2.00 V (IC401, #32) Some parts around Q551 are right? Replace failed part. CH1 P-P = 2.00V CH1 RMS = 6.124V 50.0 V (T502, #6) T502 Pin 6 input is right? Check and replace C432.
  • Page 12 1 Troubleshooting 1-1-16 No Video WAVEFORMS Check signal cable and connection. 1.00 V (IC101, #5, 8, 10) IC101 Pin 5, 8 and 10 inputs Check the signal cable connection. are right? CH1 P-P = 1.00V CH1 RMS = 2.452V 1.00 V (IC101, #21,24,26) IC101 Pin 21, 24 and 26 Check I C bus and +12 V line.
  • Page 13 1 Troubleshooting 1-1-17 Micom Failure WAVEFORMS IC201 Pin 11 input voltage is 5V? Check IC604. 1.00 V (IC201, #13, 14) IC201 Pin 13 and 14 inputs Check C202, C203, X201. are right? CH1 P-P = 1.00 V CH1 RMS = 2.108V IC201 Pin 18 input is right? Check IC605.
  • Page 14 1 Troubleshooting 1-1-18 OSD Failure WAVEFORMS Check CN104 and connector Ass’y. 1.00 V (IC104, #6) Check and replace Q102. IC104 Pin 6 input is right? Check CN102 Pin 14. CH1 P-P = 1.00V CH1 RMS = 4.516V 1.00 V (IC104, #17) Check and replace Q101.
  • Page 15 1 Troubleshooting 1-1-19 User Control Failure Does the DC level change at Check the button. Pin 36 of IC201 when you push the (SW201 ~ SW204) button S/W? Check IC201. 1-1-20 Degaussing Failure Check degaussing connector. RL601 operation is right? Check D-coil and TH601.

  • Page 16: General Troubleshooting

    1 Troubleshooting 1-2 General Troubleshooting 1-2-1 No Picture LED blinks? Refer to 1-2-2 Shut down. LED is green color? Check Micom. Check G2 voltage, high voltage, R, G, B cathode voltage. 1-2-2 Shut Down Blinking LED’s? Check power supply. Check horizontal, vertical deflection Scan failure system and check power supply secondary voltages.
  • Page 17 1 Troubleshooting 1-2-3 Missing Color WAVEFORMS Are proper Video levels 10.0 V (R,G,B, Video) Check signal generator. on CN101 (D-Sub) Pin 1, 3 and 5? Are proper Video signal on all Refer to 1-1-16 No Video. cathodes? CH1 P-P = 10.0V CH1 RMS = 17.02V Check IC101 Pins 15, 16 and 17.
  • Page 18 1 Troubleshooting 1-2-4 Visible Retrace Check white balance adjustment. Check D502, D503, Q501, Is G2 voltage right? and adjust G2. Is blank pulse on Pin 17 of IC401? Check IC401. WAVEFORMS 5.00 V (Q303, Collector) Is V_FLB pulse on Check Q303. Collector of Q303? CH1 P-P = 5.00V CH1 RMS = 28.33V...
  • Page 19 1 Troubleshooting 1-2-5 Unsynchronized Image Check input signals Pin 2 and 3 of CN202. Are signals right? Check Video Cable. Signals at Pin 28 and 29 of Check IC201. IC201 are right? Signals at Pin 1 and 2 of Check IC401. IC401 are right? Check circuits on Main board.
  • Page 20 1 Troubleshooting 1-2-6 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 DP17L* 1-17...

  • Page 21: Poor Focus

    1 Troubleshooting 1-2-7 Poor Focus Adjust focus VR of FBT. Aging monitor and check for focus Improved focus? change. Check focus leads from FBT to CRT Socket. Check the CRT Socket. Refer to 1-1-15 Dynamic Is dynamic focus circuit right? Focus Failure.

  • Page 22: Electrical Parts List

    2 Electrical Parts List 2 Electrical Parts List 2-1 Main PCB Parts Loc. No. Code No. Description Specification Remarks B/PCB+LMF 6003-000010 SCREW-TAPTITE “BWH,+,B,M3,L10,ZPC(YEL),SWRCH1” BOTTOM 0403-000361 DIODE-ZENER “UZ6.2BSB,6.2V,5.99-6.24V,500mW” C402 2305-000665 “C-FILM,MPEF” “100nF,5%,63V,TP,7.5x4.0x5.0mm,” C409 2306-000147 “C-FILM,MPPF” “1uF,5%,250V,BK,26x24x15,22.5mm” C420 2301-001306 “C-FILM,PPF” “2.5NF,3%,1.6KV,TP,21.5X15.5X8.5MM,7.5” C430 2306-000249 “C-FILM,MPPF”...
  • Page 23 2 Electrical Parts List Loc. No. Code No. Description Specification Remarks Q410 0505-001391 FET-SILICON “IRF630M,N,200V,9A,0.4ohm,75W,TO-220” R417 2001-000290 R-CARBON “10KOHM,5%,1/8W,AA,TP,1.8X3.2MM” R527 2001-000864 R-CARBON “56KOHM,5%,1/8W,AA,TP,1.8X3.2MM” RL601 3501-001111 RELAY-POWER “12Vdc,250mW,5A,1FormA,15mS,5mS” S/BTM+PCB 6003-000010 SCREW-TAPTITE “BWH,+,B,M3,L10,ZPC(YEL),SWRCH1” SW401 3406-000002 SWITCH-ROTARY “36Vdc,200mA,SP3T,-” SW601 3403-001050 SWITCH-PUSH “30V,0.3A,SPDT,ON-OFF,PC BORD T” T401 BH26-00027A TRANS-HOR.DRIVE...
  • Page 24 2 Electrical Parts List Loc. No. Code No. Description Specification Remarks C305 2401-000037 C-AL “470uF,20%,16V,GP,TP,8x11.5,5” C306 2401-000856 C-AL “220uF,20%,35V,WT,TP,10x20,5” C307 2305-000237 “C-FILM,MPEF” “1uF,5%,63V,TP,7.5x15.5mm,5mm” C308 2301-000013 “C-FILM,PEF” “4.7nF,5%,100V,TP,10.5x12.5x6.5” C309 2202-002008 “C-CERAMIC,MLC-AXIAL” “10nF,+80-20%,50V,Y5V,TP,2.3X3.” C311 2301-001027 “C-FILM,PEF” “15nF,10%,250V,TP,9.5x12x4.5,5m” C312 2401-001016 C-AL “3.3UF,20%,50V,BP,TP,5X11,5” C401 2301-000312 “C-FILM,PEF”...
  • Page 25 2 Electrical Parts List Loc. No. Code No. Description Specification Remarks C551 2401-000050 C-AL “10uF,20%,16V,GP,TP,5x11,2.5” C552 2201-000132 “C-CERAMIC,DISC” “0.1nF,10%,500V,Y5P,TP,6.5x3,5” C603 2201-000023 “C-CERAMIC,DISC” “2.2nF,20%,125V,Y5U,TP,11x7,5” C604 2201-000023 “C-CERAMIC,DISC” “2.2nF,20%,125V,Y5U,TP,11x7,5” C605 2305-001041 “C-FILM,MPEF” “220nF,5%,63V,TP,7.5x4.5x13.5,5” C607 2202-002009 “C-CERAMIC,MLC-AXIAL” “100nF,+80-20%,50V,Y5V,TP,2.3X3” C609 2401-000971 C-AL “22uF,20%,50V,WT,TP,6x11mm,5mm” C610 2301-000284 “C-FILM,PEF”...
  • Page 26 2 Electrical Parts List Loc. No. Code No. Description Specification Remarks D504 0402-000017 DIODE-RECTIFIER “RGP02-12,1200V,0.5A,DO-204AL,T” D505 0401-000004 DIODE-SWITCHING “1SS244,250V,200mA,DO-34,TP” D506 0402-000546 DIODE-RECTIFIER “TVR10G,400V,1.0A,DO-41,TP” D507 0401-000005 DIODE-SWITCHING “1N4148,100V,200MA,DO-35,TP” D508 0401-000005 DIODE-SWITCHING “1N4148,100V,200MA,DO-35,TP” D509 0401-000005 DIODE-SWITCHING “1N4148,100V,200MA,DO-35,TP” D510 0401-000005 DIODE-SWITCHING “1N4148,100V,200MA,DO-35,TP” D511 0401-000005 DIODE-SWITCHING “1N4148,100V,200MA,DO-35,TP”...
  • Page 27 2 Electrical Parts List Loc. No. Code No. Description Specification Remarks GT604 BH71-40300A PIN-HINGE “-,BRASS,D2.36,SN,HEAT/SINK” IC202 1103-000156 IC-EEPROM “24C04,512x8BIT,DIP,8P,300MIL,1” IC603 1201-000229 IC-OP AMP “324,DIP,14P,300MIL,QUAD,100V/m” IC605 1203-000495 IC-RESET “7045,T0-92,3P,-,PLASTIC,4.3/4.” BH39-40305U CBF HARNESS “52MM,AWG22(0.6PI),-,-,AWG22(0.” JP10 BH39-40305U CBF HARNESS “52MM,AWG22(0.6PI),-,-,AWG22(0.” JP11 BH39-40305U CBF HARNESS “52MM,AWG22(0.6PI),-,-,AWG22(0.”...
  • Page 28 2 Electrical Parts List Loc. No. Code No. Description Specification Remarks JP55 BH39-40305U CBF HARNESS “52MM,AWG22(0.6PI),-,-,AWG22(0.” JP56 BH39-40305U CBF HARNESS “52MM,AWG22(0.6PI),-,-,AWG22(0.” JP57 BH39-40305U CBF HARNESS “52MM,AWG22(0.6PI),-,-,AWG22(0.” JP58 BH39-40305U CBF HARNESS “52MM,AWG22(0.6PI),-,-,AWG22(0.” JP62 BH39-40305U CBF HARNESS “52MM,AWG22(0.6PI),-,-,AWG22(0.” JP63 BH39-40305U CBF HARNESS “52MM,AWG22(0.6PI),-,-,AWG22(0.”...
  • Page 29 2 Electrical Parts List Loc. No. Code No. Description Specification Remarks R206 2001-000515 R-CARBON “220OHM,5%,1/8W,AA,TP,1.8X3.2MM” R207 2001-000869 R-CARBON “56OHM,5%,1/8W,AA,TP,1.8X3.2MM” R208 2001-000869 R-CARBON “56OHM,5%,1/8W,AA,TP,1.8X3.2MM” R209 2001-000734 R-CARBON “4.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM” R210 2001-000472 R-CARBON “2.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM” R211 2001-000904 R-CARBON “620OHM,5%,1/8W,AA,TP,1.8X3.2MM” R212 2001-000613 R-CARBON “3.9KOHM,5%,1/8W,AA,TP,1.8X3.2MM” R213 2001-000429 R-CARBON “1KOHM,5%,1/8W,AA,TP,1.8X3.2MM”...
  • Page 30 2 Electrical Parts List Loc. No. Code No. Description Specification Remarks R322 2001-000890 R-CARBON “6.8KOHM,5%,1/8W,AA,TP,1.8X3.2MM” R323 2001-000022 R-CARBON(S) “33OHM,5%,1/2W,AA,TP,2.4X6.4MM” R324 2001-000660 R-CARBON “33KOHM,5%,1/8W,AA,TP,1.8X3.2MM” R325 2003-000805 R-METAL OXIDE(S) “82ohm,5%,1W,AA,TP,3.3x9mm” R326 2003-000805 R-METAL OXIDE(S) “82ohm,5%,1W,AA,TP,3.3x9mm” R401 2004-000907 R-METAL “4.7Mohm,5%,1/4W,AA,TP,2.4x6.4m” R402 2001-000869 R-CARBON “56OHM,5%,1/8W,AA,TP,1.8X3.2MM”...
  • Page 31 2 Electrical Parts List Loc. No. Code No. Description Specification Remarks R446 2001-000117 R-CARBON(S) “68OHM,5%,1/2W,AA,TP,2.4X6.4MM” R447 2003-000777 R-METAL OXIDE(S) “68ohm,5%,2W,AA,TP,4x12mm” R448 2003-000777 R-METAL OXIDE(S) “68ohm,5%,2W,AA,TP,4x12mm” R449 2001-000211 R-CARBON “1OHM,5%,1/4W,AA,TP,2.4X6.4MM” R450 2001-000563 R-CARBON “27KOHM,5%,1/8W,AA,TP,1.8X3.2MM” R451 2001-000290 R-CARBON “10KOHM,5%,1/8W,AA,TP,1.8X3.2MM” R452 2001-000290 R-CARBON “10KOHM,5%,1/8W,AA,TP,1.8X3.2MM”...
  • Page 32 2 Electrical Parts List Loc. No. Code No. Description Specification Remarks R604 2001-000857 R-CARBON “560OHM,5%,1/8W,AA,TP,1.8X3.2MM” R605 2001-000734 R-CARBON “4.7KOHM,5%,1/8W,AA,TP,1.8X3.2MM” R606 2003-000225 R-METAL OXIDE “22Kohm,5%,1W,AA,TP,4.3x12mm” R607 2003-000225 R-METAL OXIDE “22Kohm,5%,1W,AA,TP,4.3x12mm” R608 2001-000281 R-CARBON “100OHM,5%,1/8W,AA,TP,1.8X3.2MM” R609 2002-001056 R-COMPOSITION “180Kohm,2%,1/4W,AA,TP,2.5x6.5mm” R610 2002-001056 R-COMPOSITION “180Kohm,2%,1/4W,AA,TP,2.5x6.5mm”...
  • Page 33 2 Electrical Parts List Loc. No. Code No. Description Specification Remarks 6006-001008 SCREW-ASS’Y MACH “WSP,BH,+,M3,L10,ZPC(YEL),SWRCH” 6021-000118 NUT-HEXAGON “1C,M3,ZPC(YEL),SM20C” BH62-00003A HEAT/SINK-V.IC “-,T1,-,A1050S,DA/DB” HS601 BH99-00003A “ASSY,HEAT/SINK” “H/S POWER,SPRING,DP104,-,-,RUBBER,-,-” BH13-00004A IC-HYBRID “-,DP104C,TO-220-5L,5P,POWER SWITCH,-,-” BH61-00004A SPRING-TR “CDA,CDB,SUS304,T0.5,-,-,-,-” BH62-00004A HEAT/SINK-POWER “-,T1,-,A1050S,DA/DB” BH62-20001B RUBBER “CSQ4357,W25*L20*T0.45,-,-,-,-” HS401 BH99-00006A “ASSY,HEAT/SINK”...
  • Page 34 2 Electrical Parts List 2-2 Video PCB Parts Loc. No. Code No. Description Specification Remarks BH71-00006A SHIELD-VIDEO/CAP “CDA4507,SPTE,T0.2,-,-” BH75-00192H UNIT/SHIELD-VIDEO “DEL,-,SPTE,-,-,14””,15””,17””,-” BH61-00002A SPRING-VIDEO “CDB7907,STS H14 ,T1.0,-,-,-,NORMAL CDT” BH71-00007A SHIELD-VIDEO “CDA4507,SPTE,T0.2,-,-” BH72-00024A HOLDER-VIDEO “CDA4507,ABS+PC,5V,IV16,-,NORMAL CRT” BH73-00014A HOLDER-RUBBER(NORMAL) “DEL,SILICON V2,GRAY,-,-,-,NORMAL” CN101 3711-004228 CONNECTOR-HEADER “BOX,6P,1R,2MM,ANGLE,SN”...
  • Page 35 2 Electrical Parts List Loc. No. Code No. Description Specification Remarks CG01 2202-002009 “C-CERAMIC,MLC-AXIAL” “100nF,+80-20%,50V,Y5V,TP,2.3X3” CG02 2202-002009 “C-CERAMIC,MLC-AXIAL” “100nF,+80-20%,50V,Y5V,TP,2.3X3” CG03 2201-000483 “C-CERAMIC,DISC” “0.033nF,5%,50V,NP0,TP,5x3.5,5” CG04 2401-000055 C-AL “1uF,20%,160V,WT,TP,3x11,5mm” CG05 2301-000010 “C-FILM,PEF” “100nF,5%,100V,TP,11.5x12.5mm,5” CG06 2202-002009 “C-CERAMIC,MLC-AXIAL” “100nF,+80-20%,50V,Y5V,TP,2.3X3” CR01 2202-002009 “C-CERAMIC,MLC-AXIAL” “100nF,+80-20%,50V,Y5V,TP,2.3X3” CR02 2202-002009 “C-CERAMIC,MLC-AXIAL”...
  • Page 36 2 Electrical Parts List Loc. No. Code No. Description Specification Remarks JP111 BH39-40305U CBF HARNESS “52MM,AWG22(0.6PI),-,-,AWG22(0.” JP112 BH39-40305U CBF HARNESS “52MM,AWG22(0.6PI),-,-,AWG22(0.” JP113 BH39-40305U CBF HARNESS “52MM,AWG22(0.6PI),-,-,AWG22(0.” JP114 BH39-40305U CBF HARNESS “52MM,AWG22(0.6PI),-,-,AWG22(0.” JP115 BH39-40305U CBF HARNESS “52MM,AWG22(0.6PI),-,-,AWG22(0.” JP116 BH39-40305U CBF HARNESS “52MM,AWG22(0.6PI),-,-,AWG22(0.”...
  • Page 37 2 Electrical Parts List Loc. No. Code No. Description Specification Remarks RB08 2001-000027 R-CARBON “100OHM,5%,1/4W,AA,TP,2.4X6.4MM” RB09 2001-000962 R-CARBON “75KOHM,5%,1/4W,AA,TP,2.4X6.4MM” RB10 2001-000705 R-CARBON “39OHM,5%,1/2W,AA,TP,3.3X9MM” RB11 2001-000281 R-CARBON “100OHM,5%,1/8W,AA,TP,1.8X3.2MM” RB12 2001-000449 R-CARBON “2.2KOHM,5%,1/8W,AA,TP,1.8X3.2MM” RB13 2001-001000 R-CARBON “82KOHM,5%,1/8W,AA,TP,1.8X3.2MM” RG01 2001-000969 R-CARBON “75OHM,5%,1/8W,AA,TP,1.8X3.2MM” RG02 2001-000969 R-CARBON “75OHM,5%,1/8W,AA,TP,1.8X3.2MM”...
  • Page 38 2 Electrical Parts List 2-4 Different Parts list (TDA9113) SDI CDT TSD NORMAL CDT TSB Mini Neck CDT LG CDT HITACHI CDT ORION CDT H/VOLTAGE 26.0kV 26.5kV 26.0kV 26.0kV 26.0kV 26.0kV G2 /VOLTAGE 480V 630V 630V 480V 530V 480V CORNER-C 42/4D 3D/41 40/42...
  • Page 39 3 Schematic Diagrams 3-1 Main Part Schematic Diagram DP17L*...
  • Page 40 pin # pin # pin # pin # pin # pin #...
  • Page 41 3 Schematic Diagrams 3-2 Video Part Schematic Diagram 16 21 DP17L*...