Daewoo DVT-14/20H1(T)D manuale d’uso

TV / VCR Combination CHASSIS : CP-062 MODEL : D AE W OO ELECT R ONICS C O . , L TD Ser vice Man ual S/M No:TCP062PEF0 http : //svc.dw e .co .kr A ug.2000 SPECIFIC A TIONS D V T -14/20H1(T) F DV T -14/20H2(T)F D V T -14/20H1(T) P DV T -14/20H2(T)P D V T -14/20H1(T) D D V T -14/20H2(T)D D V T -14H2(T)FG/(T)PG D V T -14H2(T)FB/(T)PB[...]

1 TABLE OF CONTENTS SAFETY INSTRUCTION .................................................................................................... 2 SPECIFICATION ............................................................................................................ 3 CIRCUIT BLOCK DIAGRAM .............................................................[...]

2 SAFETY INSTRUCTION WARNING : BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCTION SAFETY NOTICE" BELOW. X-RAY RADIATION PRECAUTION 1. Excessive high voltage can produce potentially hazard ous X-RAY RADIATION. To avoid such hazards, the high voltage must not exceed [...]

3 SPECIFIC ATION ITEMS MODEL DVT-14/20H1(T)F, DVT-14/20H2(T)F, DVT-14/20H1(T)P, DVT-14/20H2(T)P, DVT-14/20H1(T)D, DVT-14/20H2(T)D, DVT-14H2(T)FG/(T)PG , DVT-14H2(T)FB/(T)PB REMARK TV SECTION STANDARD PAL-B/G(F MODEL) PAL-I/II(P MODEL) PAL/SECAM-B/G, D/K (D MODEL) SCREEN SIZE 14 ” : A34JLL90X01, A34AGT13X, A33LPE02X01, A34EAC01X06 20 ” : A48JLL9[...]

4 CIRCUIT BLOCK DIAGRAM[...]

5 ALIGNMENT INSTRUCTIONS 1. MAIN TUNER AGC 1) Set a Pattern Generator with RF level 62 6 2 dBu V , 210.25 MHz. 2) Connect a OSCILLOSCOPE PROBE to P101 ( TUNER AGC INPUT ). 3) Adjust AGC UP/DOWN KEY the voltage drop about 1V DC over below it's maximum voltage. 2. SCREEN 1) Apply a COLOR BAR PATTERN SIGNAL. 2) Press the "SCREEN" KEY . [...]

6 ALIGNMENT INSTRUCTIONS 5.5 HORIZONTAL CENTER 1) Apply a RETMA PATTERN SIGNAL. 2) Adjust picture centering with H-CENTER +/- KE Y. 6. DECK ADJUSTMENT 6-1. X-POSITION AND P2,P3 ADJUSTMENT 1) Adjust point : X-POSITION Checking point : oscilloscope ch1 = H/SW (PY03 #2) oscilloscope ch2 = PB ENVE (PY03 #4) Triggering : CH1 Measuring Equipment : oscill[...]

7 ALIGNMENT INSTRUCTIONS 6-2. AUTO PG ADJUSTMENT 1) After adjustment of 6-1. Press the " REC." button. 2) Eject the Test tape. 6-3. AZIMUTH ADJUSTMENT 1) Adjust point : AZIMUTH SCREW Checking point : SOUND OUTPUT (P601) Measuring Equipment : oscilloscope or audio level meter. Mode : PLAYBACK Test tape : DP-2 (6KHz) * Adjustment Procedure [...]

8 SERVICE REMOCO N 1. DIAGRAM 1'st 2'nd 3'rd 4'th 5'th LANGUAGE V-SLOPE V-CENT V-SIZE H-CENT S-CORR B G R ATK OFF OSD SUB AGC OSD SHIPPING AGC- REC AGC+ SCREEN R-46C04 To enter the " SERVICE MODE" Press NORMAL-> AV->SLEEP->CLEAR->POWER buttons in regular sequency within 10seconds using USER REMOCON aft[...]

9 SERVICE REMOCON 2. HOW TO CHECK TV SECTION WITHOUT VCR DECK If you want to check TV section without DECK mechanism, then please perform in this order. 1. Pull out the power cord. 2. Remove the VCR DECK mechanism. 3. Supply the main power. ( Main sw on ) 4. Wait for about 10 seconds. ( You can see the light of power LED if the TV is normal. 5. Tur[...]

10 SERVICE REMOCON 13. STILL Press this button to enter the PAUSE/STILL mode. 14. STOP Press this button to enter the STOP mode. 15. REW/REV Press this button to enter the REW/REV mode. 16. PLAYBACK Press this button to enter the PLAYBACK mode. 17. FF/CUE Press this button to enter the FF/CUE mode. 18. LANGUAGE Press this button to enter the LANGUA[...]

11 SCHEM ATIC DIAGRAM[...]

12 SCHEMATIC DIAGRAM[...]

13 EXPLODED VIEW 1. DVT-14H1F[...]

14 EXPLODED VIEW 2. DVT-20H1F[...]

15 PRINTED CIRCUIT BOARD[...]

16 SERVICE PARTS LIST LOC PART CODE PART NAME DESCRIPTION REMARK ZZ100 48B4446C04 TRANSMITTER REMOCON R-46C04 (AAA) 2 ZZ110 PTACPWA643 ACCESSORY AS DVT-14H1F 10 4850Q00910 BATTERY R03/NN 20 4850A03310 ANT ROD PH-RM-008A M821 4858213800 BAG INSTRUCTION L.D.P.E T0.05X250X400 ZZ120 PTBCSHA643 COVER BACK AS DVT-14H1F 2 M211 4852153021 COVER BACK HIPS B[...]

17 I826 1LE33CZ--- IC REGULATOR LE33CZ 2 I901 PTB3SW1300 HEAT SINK ASS`Y 1TDA6107Q- + 7174301011 1 1TDA6107Q- IC VIDEO TDA6107Q 2 0000A 4857031300 HEAT SINK A1050P-H24 T1.6 0000B 7174301011 SCREW TAPPTITE TT2 RND 3X10 MFZN IN02 1K1A6801K- IC MOTOR DRIVER KIA6801K IQ01 1KRT30---- IC PREAMP KRT30 2 JS01 4859200401 SOCKET RGB YRS21-R1 L801 5PLF24A1-- [...]

18 QC501 T2SC1623T2 TR CHIP 2SC1623-L6/T2B QC502 T2SC1623T2 TR CHIP 2SC1623-L6/T2B QC503 T2SA812T2B TR CHIP 2SA812-T2B QC504 T2SC1623T2 TR CHIP 2SC1623-L6/T2B QC505 T2SC1623T2 TR CHIP 2SC1623-L6/T2B QC506 T2SA812T2B TR CHIP 2SA812-T2B QC508 T2SC1623T2 TR CHIP 2SC1623-L6/T2B QC605 T2SC1623T2 TR CHIP 2SC1623-L6/T2B QC702 T2SC1623T2 TR CHIP 2SC1623-L6[...]

19 P802B 4857417500 TERM PIN DA-IB0214(D2.3/DY PIN) P904 485923162S CONN WAFER YW025-03 (STICK) PY03 485923202S CONN WAFER YW025-07 (STICK) R809 RS02Z228JS R M-OXIDE FILM 2W 0.22 OHM J SMALL ! R832 RS02Z828JS R M-OXIDE FILM 2W 0.82 OHM J SMALL ZZ200 PTMPJRA643 PCB MAIN RADIAL AS DVT-14H1F C102 CEXF1H100V C ELECTRO 50V RSS 10MF (5X11) TP C105 CEXF1H[...]

20 CY03 CEXF1H109A C ELECTRO 50V RSM 1MF (4X7) TP CY05 CEXF1C101A C ELECTRO 16V RSM 100MF (6.3X7) TP CY08 CXCH1H509D C CERA 50V CH 5PF D (TAPPING) CY10 CEXF1H479A C ELECTRO 50V RSM 4.7MF 4X7 CY16 CEXF1C101A C ELECTRO 16V RSM 100MF (6.3X7) TP CY17 CEXF1C100A C ELECTRO 16V RSM 10MF 5X7 CY18 CEXF1C220A C ELECTRO 16V RSM 22MF (5X7) CY21 CEXF1H109A C EL[...]

21 C543 CCZF1H103Z C CERA 50V F 0.01MF Z C546 CBZR1C392M C CERA 16V Y5R 3900PF M (AXIAL) C548 CCZB1H102K C CERA 50V B 1000PF K (AXIAL) C605 CCZB1H102K C CERA 50V B 1000PF K (AXIAL) C606 CCZB1H102K C CERA 50V B 1000PF K (AXIAL) C607 CCZB1H102K C CERA 50V B 1000PF K (AXIAL) C608 CCZB1H102K C CERA 50V B 1000PF K (AXIAL) C616 CCZF1H103Z C CERA 50V F 0.[...]

22 D805 DBYV96E--- DIODE BYV96E (TAPPING) D806 DUZ13BM--- DIODE ZENER UZ-13BM D807 D1N4937G-- DIODE 1N4937G (TAPPING) D808 D1N4937G-- DIODE 1N4937G (TAPPING) D809 D1N4937G-- DIODE 1N4937G (TAPPING) D822 D1N4937G-- DIODE 1N4937G (TAPPING) D823 D1N4937G-- DIODE 1N4937G (TAPPING) D824 D1N4937G-- DIODE 1N4937G (TAPPING) D825 D1N4937G-- DIODE 1N4937G (T[...]

23 R555 RD-AZ331J- R CARBON FILM 1/6 330 OHM J R556 RD-AZ102J- R CARBON FILM 1/6 1K OHM J R557 RD-AZ103J- R CARBON FILM 1/6 10K OHM J R558 RD-AZ102J- R CARBON FILM 1/6 1K OHM J R559 RD-AZ242J- R CARBON FILM 1/6 2.4K OHM J R575 RD-AZ223J- R CARBON FILM 1/6 22K OHM J R601 RD-AZ392J- R CARBON FILM 1/6 3.9K OHM J R604 RD-AZ472J- R CARBON FILM 1/6 4.7K [...]

24 RN07 RD-AZ472J- R CARBON FILM 1/6 4.7K OHM J RN08 RD-AZ221J- R CARBON FILM 1/6 220 OHM J RN09 RD-AZ153J- R CARBON FILM 1/6 15K OHM J RN10 RD-AZ332J- R CARBON FILM 1/6 3.3K OHM J RN11 RD-AZ103J- R CARBON FILM 1/6 10K OHM J RN12 RD-AZ103J- R CARBON FILM 1/6 10K OHM J RN13 RD-AZ103J- R CARBON FILM 1/6 10K OHM J RN14 RD-AZ221J- R CARBON FILM 1/6 220[...]

25 SERVICE PARTS LIST RY14 RD-AZ472J- R CARBON FILM 1/6 4.7K OHM J RY15 RD-AZ102J- R CARBON FILM 1/6 1K OHM J RY16 RD-AZ102J- R CARBON FILM 1/6 1K OHM J RY17 RD-AZ221J- R CARBON FILM 1/6 220 OHM J RY19 RD-AZ820J- R CARBON FILM 1/6 82 OHM J RY20 RD-AZ750J- R CARBON FILM 1/6 75 OHM J RY23 RD-AZ392J- R CARBON FILM 1/6 3.9K OHM J RY24 RD-AZ102J- R CARB[...]

26 L311 5CPZ109M04 COIL PEAKING 1UH 10.5MM M (LAL04TB) R301 RD-4Z101J- R CARBON FILM 1/4 100 OHM J R302 RD-4Z101J- R CARBON FILM 1/4 100 OHM J R311 RD-AZ152J- R CARBON FILM 1/6 1.5K OHM J R312 RD-AZ152J- R CARBON FILM 1/6 1.5K OHM J R315 RD-4Z562J- R CARBON FILM 1/4 5.6K OHM J R316 RD-4Z272J- R CARBON FILM 1/4 2.7K OHM J R317 RD-AZ564J- R CARBON FI[...]

27 THE DIFFERENT PARTS LIST FOR SIZE LOC. PART NAME PART CODE PART TYPE DVT-14H1F DVT-20H1F 20 ANT ROD 4850A03310 PH-RM-008A C418 C MYLAR CMYE2D684J 200V PU 0.68MF J CMYE2D624J 200V PU 0.62MF J CRT1 CRT AS PTRTPWA643 DVT-14H1F PTRTPWD353 DVT-20H1F M191 BUTTON CTRL 4851936700 4941901+5536500 4851936800 4942001+5538301 M201 MASK FRONT 4852070021 HIPS[...]

28 SP01 SPEAKER 4858314310 SP-5070A01 3W 8 OHM 48A8306000 SS-5070A01 3W 8 OHM SP01A SCREW SPKR FIX 4856013600 SWRM+SECC V01 COIL DY 58D1000045 ODY-M2002 58D1000046 ODY-M1401 V901 CRT BARE 48A96414P1 A34JLL90X 48A96420P1 A48JLL90X(W) ZZ110 ACCESSORY AS PTACPWA643 DVT-14H1F PTACPWD353 DVT-20H1F ZZ120 COVER BACK AS PTBCSHA643 DVT-14H1F PTBCSHD353 DVT-[...]

29 THE DIFFERENT PARTS LIST FOR SYSTEM THE DIFFERENT PARTS LIST FOR TELETEXT LOC. PART NAME PAL B/G [F] PAL I [P] P/S-B/G,D/K [D] SF501 FILTER SAW G1966M J1952M K2950M Z501 FILTER CERA SFSH5.5MCB-TF21(TP) SFSH6.0MCB-TF21(TP) SFSH5.5MCB-TF21(TP) Z503 FILTER CERA TPS5.5MB-TF21 TPS6.0MB-TF21 TPS5.5MB-TF21 Z504 FILTER CERA X X SFSH6.5MCB-TF21(TP) Z502 [...]

1 CIRCUIT DESCRIPTION Video 1 . Outline This video circuit uses a LA71598SM Super A/V 1 chip IC made by SANYO which includes luminance and color pro cessor, CCD and PREAM P . This IC has 100 pin, but only 79 pin(10~74 pin and 81~94 pin) are related to Video circuit among them. 2. Video circuit A. EE mode 1.0Vp-p video signal out of SCART JACK or CH[...]

2 CIRCUIT DESCRIPTION B. REC mode a) Luminance Signal Processing The signal is to pin 38,34 of ICY01, and one is selected to input to AGC AM P . This input signal performs sync AGC and peak AGC. And then , it is input to the 6dB divider where its level is educed to 0.5V. LPF and 1H Delay separates luminance signal from output signal of the divider.[...]

3 CIRCUIT DESCRIPTION REC Luminance process Fig. 2 REC Luminance Process Appendix 38 34 ICY0 1 AG C AM P 1/ 2 LP F YN R COM B FILTE R CC D 1 H DELA Y 46 45 43 41 CLAM P DETAI L E N HAN C ER NL EMP H MAIN EMP H W/D CLI P FM MO D REC EQ + AGC AM P SP/L P 84 H E A D CHROM A VIDEO in 20 21[...]

4 REC color process Fig . 3 REC color process CIRCUIT DESCRIPTION Appendix Video i n 38 34 AGC AM P BP F YN R COM B FILTE R 41 43 CC D COM B FILTE R 45 CCD LP F ACC AM P BURS T EMPHASI S MAI N CONVER T COLO R LP F COLO R KILLE R + AGC AMP SP/L P 84 H E A D LUMINANC E 46 ICY0 1[...]

5 C. PB mode a) Luminance Signal Processing The recorded signal is picked up by the head, and amplified 60dB by PRE AMP part. The amplified FM signal is supplied to FM AGC. It is automatically controlled by FM AGC to adjust output tolerance of CH1 and CH2. This signal is FM EQ and phase compensation It is sent to Double Limiter circuit which remove[...]

6 PB Luminance process PB Luminance process Fig .4 PB Luminance Process CIRCUIT DESCRIPTION Appendix HEA D 82 85 PB FM AGC PB FM EQ PHASE COM P DOUBLE LIMITE R FM DEMO D SUB LP F MAI N DEEMPHAS I S 18 45 Y - LP F YN R CC D COM B 17 21 4 6 20 4 3 4 1 CLAM P Y/C MIX QV INSER T AM P 29 S P/L P QCY01 QCY02 QCY03 ICY0 1[...]

7 CIRCUIT DESCRIPTION PB color process Fig . 5 PB Color Process Appendix HEA D 82 85 C. LP F AGC AMP MAI N CONVERT BPF 1/ 2 59 57 5 54 C. COM B 51 61 COMB AM P CCD LP F NA P BP F 72 71 Y/C MI X QV INSER T VIDEO AMP 2 QCY0 5 ICY0 1 9 2[...]

8 CIRCUIT DESCRIPTION Linear Audio 1 Outline This audio circuit uses a LA71598SM Super A/V 1 chip IC made by SANYO. The major features of this IC is that REC/EE mode, PB/EE mode, SP/LP mode and audio input selection are controlled by parallel. 21 pin ( 1~9 pin, 75~80 pin, and 95~100 pin ) are related to Audio circuit. 2 Audio IC : name and operatio[...]

9 CIRCUIT DESCRIPTION 3 Explanation by Mode A. Mute Control ( pin 10 ) B. Explanation by mode a) EE mode ( Rear line IN ) The line input signal divided by RU29 and RU30 is input to pin 76 of IC, and output to pin 96 through ALC circuit and Line Amp. At same time and the signal is passed through voltage divided circuit (RU08 and RU09) and CU06, inpu[...]

DAEWOO ELECTRONICS CO., LTD 686, AHYEON-DONG MAPO-GU SEOUL, KOREA C.P.O. BOX 8003 SEOUL, KOREA TELEX : DWELEC K28177-8 CABLE : “ DAEWOOELEC ” E-mail : djkoo@web.dwe.co.kr TEL : 82-2-360-7806 FAX : 82-2-360-7877[...]