Daewoo DV6T844 Instrukcja Użytkownika

S/M No. : VTB834NET2Service ManualMODEL:DV6T834N/DV6T834DV6T844N/DV6T844DV6T854N/DV6T854DV6T864N/DV6T864DV6T935N/DV6T935DV6T945N/DV6T945DV6T955N/DV6T

9TROUBLESHOOTINGCassette tape isnÕt inserted.Is 5V voltage obtained at Loadingparts IC601 pin#82?Is 13V voltage obtained atCapstan Motor P601 pin#8?Ch

10TROUBLESHOOTINGF. DRUM Motor stopsG. CAPSTAN doesnÕt rotateCAPSTAN doesnÕt rotate.Is EVER 13V voltage obtained at P601 pin#2?YESNONONOYESYESIs Capst

11TROUBLESHOOTING3. VIDEO circuit A. EE screen doesnÕt appearEE MODE Picture NGIs Video signal input atIC301 pin#28, 30, 32?Is 5V supplied at pin#23,4

12TROUBLESHOOTINGB. Playback picture doesnÕt appearYESYESIs signal output at IC301 pin#14?Is composite video signal input intoIC301 pin#34?Is composi

13TROUBLESHOOTINGIs +5V supplied at IC301 pin#68?NONOYESYESIs VIDEO SW Pulse input at IC301pin#57?Is REC signal output from IC301pin#66,73?EP MODE: 73

14TROUBLESHOOTINGE. No sound in broadcasting (Stereo)Is 12V obtained at IC251pin#58?Is 5V obtained at IC251 pin#40?YESNONOYESYESIs SIF output from RF1

15TROUBLESHOOTINGNOCheck PCB PatternCheck FFC CABLE & DVDModuleDVD Composite signal doesnÕtappearIs signal output at P101pin# 7?Is signal at IC3

16TROUBLESHOOTING4. AUDIO (Hi-Fi MODEL)No sound in RF E-E modeCheck Output JACK.A. No sound in E-E modeA. a.1 RF E-ENOCheck IC601.Is Audio signal out

17TROUBLESHOOTINGCheck Output JACK.A. b. LINE1 E-EYESNOCheck IC601.No sound in LINE1 E-Emode.Is 12V obtained at IC251 pin#58?NOIs 5V obtained at IC251

18TROUBLESHOOTINGA. c. LINE2 E-ECheck Output JACK.YESNOCheck IC601.No sound in LINE2 E-Emode.Is 12V obtained at IC251 pin#58?NOIs 5V obtained at IC251

1SPECIFICATIONS...2ADVANTAGES OF THIS PROD

19TROUBLESHOOTINGA. d. DVD E-ENo sound in DVD E-E mode.Is there DVD Audio at P101 pin#1,3?Is 12V obtained at ICD02 pin#8?Is Audio(DVD) signal at IC251

20TROUBLESHOOTINGIs there playback Audio signal atIC251 pin#53, 57?Are CLK and DATA obtained atIC251 pin#42, 43?NOIs thereMUTE(H) at IC251pin#36?Check

21TROUBLESHOOTINGAre there Audio signalat IC251 pin#9,14#10, 15#2,4?Is there REC(H)at IC251 pin#29, 30?Check input LINE1 JACK.Check input LINE2 JACK.C

22TROUBLESHOOTINGE. No NORMAL AUDIO playback in record/playback mode(Check in REC mode)No Normal Audio playback inrecord/playback modeAre there Audio

23WAVEFORMS1. VIDEO!(IC301-57) 5Vp-p1V/2msec/cmREC!(IC301-57)5Vp-p1V/2msec/cmPLAY@(IC301-20) 520mVp-p200mV/5usec/cmREC@(IC301-20) 520mVp-p200mV/5usec/

24WAVEFORMS2. AUDIO2-1 AUDIO(Normal)2-2 AUDIO(Hi-Fi)((IC301-76) 100mVp-p20mV/0.5msec/cmREC)(IC301-10) 1.5Vp-p0.5V/0.5msec/cmREC1(IC301-9) 2.3Vp-p0.5V/

25WAVEFORMS3. SERVO/SYSCON0(IC601-18) 5Vp-p2V/5msec/cmREC/PLAY“ (IC601-77) 5Vp-p2V/5µsec/cmREC/PLAY‘ (IC601-76) 5Vp-p2V/5µsec/cmREC/PLAY+(IC601-94) 3V

26VOLTAGE CHARTS1. SERVO/SYSCON/TIMER MI-COM VOLTAGE CHARTSMODE MODE MODEPIN No.PIN No.PIN No.1 5.0 5.0 5.0 44 2.1 1.7 1.6 87 3.8 0.0 0.02 4.1 4.0 4.0

27VOLTAGE CHARTSIC EEPROM VOLTAGE CHARTSMODE MODEPIN No. PIN No.1 0.0 0.0 0.0 5 4.4 4.5 4.52 0.0 0.0 0.0 6 4.4 4.5 4.63 0.0 0.0 0.0 7 0.0 0.0 0.04 0.0

28VOLTAGE CHARTS2. IC A/V VOLTAGE CHARTSMODE MODE MODEPIN No. PIN No. PIN No.1 2.3 2.3 2.3 28 2.2 2.2 2.2 55 0.4 0.1 0.22 2.2 2.8 0.0 29 2.3 2.3 2.3 5

2SPECIFICATIONSDVD Audio output standardsPower AC 120V, 60HzConsumed electricity 24W (supplementary 4W)Weight 4.6kgDimension (WxHxD) 435mm x 93mm x 2

VOLTAGE CHARTS3. IC Hi-Fi VOLTAGE CHARTSMODE MODE MODE 1 2.3 2.3 2.3 23 0.0 0.0 0.0 45 0.0 0.0 0.02 0.5 0.5 0.5 24 2.0 1.9 0.7 46 3.3 3.2 3.33 2.3 2.

30CIRCUIT DIAGRAM1. POWER SUPPLY SCHEMATIC DIAGRAM (VE 1.5 COMBO)

31CIRCUIT DIAGRAM2. SERVO & SYSCON SCHEMATIC DIAGRAM(VE 1.5 COMBO)

32CIRCUIT DIAGRAMIC3013. VIDEO/AUDIO SCHEMATIC DIAGRAM(Hi-Fi) VE 1.5 COMBO

334. DVD AUDIO & VIDEO SCHEMATIC DIAGRAM(VE 1.5 COMBO)CIRCUIT DIAGRAM

34CIRCUIT DIAGRAM5. Hi-Fi & IN-OUT SCHEMATIC DIAGRAM(VE 1.5 COMBO)

35CIRCUIT DIAGRAM6. DQL-1003/1103/1203(ALI M3351 MPEG IC)

36CIRCUIT DIAGRAM7. DQL-1003/1103/1203(RF-MOTOR_DIRIVERS)

37CIRCUIT DIAGRAM8. DQL-1003/1103/1203(FLASH, SDRAM)

38CIRCUIT DIAGRAM9. DQL-1003/1103/1203(AUDIO_DAC, VIDEO_CHANNEL)

ADVANTAGES OF THIS PRODUCT3¥ DVD, VCD, CD, CD-R(MP3), CD-RW, VHS playback function ¥ Watching DVD for recording broadcast ¥ Integrated remote control

39CIRCUIT DIAGRAM10. DQL-1003/1103/1203(SYSTEM_POWER)NO. MODEL NAME SERVICE CODE(F/W) MECHA PICKUP REMARK1 DQL-1000/1003 ------------------H- DDM-4000

40PCB CIRCUIT BOARD1-1 . VCR (MAIN)

41PCB CIRCUIT BOARD1-2. POWER

42PCB CIRCUIT BOARD1-3. DVD(MAIN)

INSTRUMENT DISASSEMBLY1. DECK DISASSEMBLYPerform all disassembly procedures in the order presented. When reassembling, use the reverse procedure.Make

44B. PANEL FRONT DISASSEMBLYC. LOGIC PCB DISASSEMBLYFIG.2FIG.3! Remove 3Hooks atbottom@ Remove 2 Hooks at left and right sides,Simultaneously, remove

45INSTRUMENT DISASSEMBLYFIG. 4D. DECK AND MAIN PARTS DISASSEMBLY! Remove 6 screws, then remove DECK@ Remove 4 screws, then remove LOADER# Remove 3 scr

46INSTRUMENT DISASSEMBLYFIG. 5E. MAIN PCB DISASSEMBLY@ Remove 2 screws, then remove MAIN PCB! Remove 2 screws

47INSTRUMENT DISASSEMBLYF. MAIN CHASSIS DISASSEMBLYFIG. 6! Remove 4 screws, then remove MAIN CHASSIS

48INSTRUMENT DISASSEMBLYG. Explode view

4ADVANTAGES OF THIS PRODUCT¥ Repeat a defined period from A to B (DVD)¥ Selective Play (DVD/VCD/CD)You can select and play the desired title / chapte

49INSTRUMENT DISASSEMBLY2. DVD Module(DAEWOO DQL-10XX)DISASSEMBLYA. DECK TOTAL DVD AS

50INSTRUMENT DISASSEMBLYB. DRIVE UNIT AS

51INSTRUMENT DISASSEMBLYC. DRIVE UNIT HOLDER AS

52INSTRUMENT DISASSEMBLYD. PICK-UP TENSION AS

53ELECTRICAL PARTSLISTLOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARKM100 97QD020100 DVD COMBI DSL-630 A21 2CH note97Q6010000 DVD MECHADDM-4001(HOP1200)+

54ELECTRICAL PARTSLISTLOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARKCS01 HCBK103KBA C CHIP CERA 50V X7R 0.01MF K 1608CS02 HCBK471KBA C CHIP CERA 50V X7R

LOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARKRJ054 HRFS000-BA R CHIP 1/16 0 OHM 1608RJ055 HRFS000-BA R CHIP 1/16 0 OHM 1608RJ056 HRFS000-BA R CHIP 1/

56ELECTRICAL PARTSLISTLOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARKL252 5CPX680J2T COIL PEAKING 68UH(BLU-BLK)L301 5CPX101J2T COIL PEAKING 100UH(BRN-BRN

LOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARKR111 RD-AZ102J- R CARBON FILM 1/6 1K OHM JR112 RD-AZ102J- R CARBON FILM 1/6 1K OHM JR115 RD-4Z750JS R CARB

58ELECTRICAL PARTSLISTLOC PARTS_CODE PARTS_NAME PARTS_DESCR REMARKRD18 RD-AZ223J- R CARBON FILM 1/6 22K OHM JRS04 RD-AZ222J- R CARBON FILM 1/6 2.2K OH

5TROUBLESHOOTING1. POWER CIRCUIT✓ CAUTIONYou must use insulated transformer during the first part test of POWER circuit.Check IC601,IC751.No powerPOWE

686, AHYEON-DONG MAPO-GUSEOUL, KOREAC.P.O. BOX 8003 SEOUL, KOREATELEX : DWELEC K28177-8CABLE : "DAEWOOELEC"E-mail : [email protected] :

2. SYSTEM CIRCUIT6TROUBLESHOOTINGNo LED display.Is 5V obtained at IC751 pin #9, 25?Oscillation at IC751 pin #1? Specific GRID/SEG doesnÕt function.Ch

7TROUBLESHOOTINGNoise appears on theplayback screen.Is noise diminished by trackingadjustment.Noise band is trembled up anddown?Re-adjust PATH.Is the

8TROUBLESHOOTINGNo broadcasting signalreceivedIs the output at IC601 pin# 71(CLK),72 (DATA) normal?Is SIF,Video output at TMI(RF101)pin#13,16 normal?