Daewoo DVQ-10H1FCN Manuel de service

TV / VCR CombinationCHASSIS : CN-071MODEL : DAEWOO ELECTRONICS CO., LTDDVQ-13H1FCDVQ-19H1FCDVQ-13H2FCDVQ-19H2FCService ManualS/M No:CN071N-010http : /

9IC DESCRIPTION1. SYSTEM FEATURE1) The system for TV/VCR tuning is Frequency Synthesis type.2) VCR SERVO Controller is interior designed.3) Closed Cap

10IC DESCRIPTION2. PIN DESCRIPTIONPin Terminal Name Explanation Remarks1 P11(0) KEY 1 IN Power, Ch up/down, Vol up/down2 P7(7) AGC IN Connect this por

1126 P4(7) AUDIO MUTE H Connect this port to 95 pin of ICY01.When special play, set audio mute.27 P4(6) Not used28 P4(5) REC LED H Light up LED(RED) w

1260 P0(4) OSD BLANK OUT Fast blanking control signal.Switch TV image signal andCaption/OSD image signal.61 P0(3) Not used62 P0(2) OSD B OUT Blue out

1389 P8(1) DRUM FG IN Drum Frequency Generator signal input.Feed back Drum rotation speed.90 DRUM PG IN Drum Pulse Generator signal input.Feed back Dr

14IC DESCRIPTIONIC501DCT814B(LA76814B) : IC VIDEO PROCESSOR

15IC DESCRIPTIONICY01LA71550M : IC VCR Y/C & AUDIO PROCESSOR

16IC DESCRIPTIONI801POWER CONTROL MODULEPIN NO DESCRIPTION PIN NO DESCRIPTION1 GATE DRIVE1 10 +12V INPUT2 OCP 11 POWER CONTROL3 SOURCE 12 +26 OUTPUT4

17TROUBLESHOOTING GUIDE1. NO POWERT801B+PWC01L801F801 R802CheckF801(125V 4A)C804D801CheckD801(PBS208GU)CheckR802(10W 2.2)R803R804R805R807L802L803C805Q

18TROUBLESHOOTING GUIDE2. TV PART 2-1) NO PICTURECheck the waveform of I501 #46NG : GO to the figure aOK : GO to the figure bCheckVoltageaU102T

1TABLE OF CONTENTSSAFETY PRECAUTIONS ...2SPECIFICATION

19TROUBLESHOOTING GUIDE 2-2) NO SOUNDCheck the waveform of I501 #1NG : GO to the figure cOK : GO to the figure dCheckVoltagecU102TUNERICS01TIME

20TROUBLESHOOTING GUIDE 2-3) CHANNEL DON’T STOPCheck the input signal conditions.NG : Loss of signal or weak signalOK : GO to the figure eCheckVo

21TROUBLESHOOTING GUIDE 2-4) NO COLORI501DCT814B#44CheckCVS waveformCC527#18R504Checkthe voltageRGB Vcc(9V)R OUTG OUTB OUTR505R506R507CheckR/G/B si

22TROUBLESHOOTING GUIDE 2-5) NO VERTICAL DEFLECTIONI501DCT814B5V#24 X5013.58MHzCheckthe crystal#38L502 Chroma/DEF Vcc#43Checkthe voltageCC508CC507C

23TROUBLESHOOTING GUIDE 2-6) NO ON-SCREEN DISPLAYI501DCT814BXCS01#6432KHzCheckthe crystalOSD RCheckdata/clock signalCheckthe waveformICS01TIMER/SYS

24TROUBLESHOOTING GUIDE 2-7) REMOTE CONTROL DOES NOT OPERATEXCS01#1432KHzCheckthe crystalCheckthe voltageICS01TIMER/SYSCON#100XS02KEY 116MHz#35 #36

25TROUBLESHOOTING GUIDE3. VCR PART 3-1) NO LOADINGCheck the loading conditions (VHS TAPE)EJECT : GO to the figure fUNLOADING : GO to the figure

26TROUBLESHOOTING GUIDE 3-2) NO ROTATINGCheck the RotatingDRUM : GO to the figure hCAPSTAN : GO to the figure iPS01DRUMCONNECTORXCS0132KHzChec

27TROUBLESHOOTING GUIDE 3-3) NO PICTURE PLAYBACKCheck the waveform of ICY01 #27NG : GO to the figure jOK : GO to the figure kICY01VCR Y/CLA71550

28TROUBLESHOOTING GUIDEICY01VCR Y/CLA71550MXCS0132KHzCheckthe crystalCheckthe voltageICS01TIMER/SYSCON#65 #67XS0216MHz#35#36#38#39#37#34RESETVcc(5V)k#

2SAFETY PRECAUTIONSCAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY.NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFAC-TURER°ØS APPROVAL

29TROUBLESHOOTING GUIDE 3-4) NO COLOR PLAYBACKICY01VCR Y/CLA71550MXCS0132KHzCheckthe crystalCheckthe voltageICS01TIMER/SYSCON#65 #67XS0216MHz#35#36

30TROUBLESHOOTING GUIDE 3-5) NO SOUND PLAYBACKICY01VCR Y/CLA71550MXCS0132KHzCheckthe crystalCheckthe voltageICS01TIMER/SYSCON#65 #67XS0216MHz#35#36

31TROUBLESHOOTING GUIDE 3-6) NO RECORD PICTURECheck the waveform of ICY01 #40NG : GO to the figure 2-1 (TV PART)OK : GO to the figure mICY01VCR Y

32TROUBLESHOOTING GUIDE 3-7) NO RECORD SOUNDCheck the waveform of ICY01 #74NG : GO to the figure 2-2 (TV PART)OK : GO to the figure nICY01VCR Y/CLA

33TROUBLESHOOTING GUIDE 3-8) NO EXTERNAL VIDEO / AUDIOICY01VCR Y/CLA71550MXCS0132KHzCheckthe crystalCheckthe voltageICS01TIMER/SYSCON#65 #67XS0216MHz

34ELECTRICAL PARTS LISTr DVQ-19H1FCLOC PART CODE PART NAME DESCRITIONZZ100 48B4139A02 TRANSMITTER REMOCON R-39A02ZZ110 PTACPWJ690 ACCESSORY AS DVQ-20H

35C512 CMXB1H333J C MYLAR 50V EU 0.033MF J (TP)C518 CMXB1H473J C MYLAR 50V 0.047MF J (TP)C525 CEXF1C101A C ELECTRO 16V RSM 100MF (6.3X7) TPC604 CEXF1C

36CCS12 HCBK103KCA C CHIP CERA 50V X7R 0.01MF K 2012CCS13 HCBK103KCA C CHIP CERA 50V X7R 0.01MF K 2012CCS14 HCTAF109MB C CHIP TANTAL 16V 1MF M 3216CCS

37CCY29 HCTAD100MB C CHIP TANTAL 10V 10MF M 3216CCY30 HCTAF109MB C CHIP TANTAL 16V 1MF M 3216CCY31 HCFK104ZCA C CHIP CERA 50V Y5V 0.1MF Z 2012CCY32 HC

38F801B 4857415001 CLIP FUSE PFC5000-0702I301 1LA7841--- IC VERTICAL LA7841I301 PTB2SW7100 HEAT SINK ASS`Y 1LA7841--- + 7174300811I301A 4857027100 HE

3SAFETY PRECAUTIONSCAUTION : Do not attempt to modify this product in any way. Unau-thorized modifications will not only void the warranty, but may le

39P601 485923162S CONN WAFER YW025-03 (STICK)P802A 4859242220 CONN WAFER YFW800-02P803 4850701S06 CONNECTOR YFH800-01+YPT018+ULW=300P804 4857417500 TE

40R833 RD-4Z472J- R CARBON FILM 1/4 4.7K OHM JR836 RN01B124JS R METAL FILM 1W 120K OHM J SMALLR889 RC-2Z565KP R CARBON COMP 1/2 5.6M OHM KR902 RN01B15

41RCS03 HRFT102JCA R CHIP 1/10 1K OHM J 2012RCS06 HRFT000-CA R CHIP 1/10 0 OHM 2012RCS07 HRFT103JCA R CHIP 1/10 10K OHM J 2012RCS08 HRFT473JCA R CHIP

42RCU07 HRFT122JCA R CHIP 1/10 1.2K OHM J 2012RCU08 HRFT122JCA R CHIP 1/10 1.2K OHM J 2012RCU09 HRFT272JCA R CHIP 1/10 2.7K OHM J 2012RCU10 HRFT122JCA

43SWT08 5S50101090 SW TACT SKHV17910AT401 50D0000022 TRANS DRIVE HD-15DT402 50H0000198 FBT FSA37012MT802 50M3541T3- TRANS SMPS TSM-3541T3TU01 58000000

44EXPLODED VIEW1. DVQ-19H2FC

45EXPLODED VIEW2. DVQ-19H1FC

46EXPLODED VIEW3. DVQ-13H2FC

47EXPLODED VIEW4. DVQ-13H1FC

DAEWOO ELECTRONICS CO., LTD686, AHYEON-DONG MAPO-GUSEOUL, KOREAC.P.O. BOX 8003 SEOUL, KOREATELEX : DWELEC K28177-8CABLE : “DAEWOOELEC”E-mail : G7F00E@

4SAFETY PRECAUTIONSSUBJECT : IMPLOSION1. All direct viewed picture tubes are equipped with an integral implo-sion protection system, but care should b

5SPECIFICATIONITEMS MODEL DVQ-13/19H1FC, DVQ-13/19H2FC REMARKTV SECTIONSTANDARD NTSC-MTUNING SYSTE

6BLOCK DIAGRAM

7BLOCK DIAGRAMPH01

8IC DESCRIPTIONICS01DW37760MCA-AA1(M37760) : IC TIMER / SYSCON / CTL PROCESSOR9910098 97 96 9495 93 92 91 8990 88 87 86 8485 83 82 81KEY1AGC INOPTIOND