Daewoo DVT-14/20H1(T)P Service Manual Page 1

TV / VCR CombinationCHASSIS : CP-062MODEL : DAEWOO ELECTRONICS CO., LTDService ManualS/M No:TCP062PEF0http : //svc.dwe.co.kr Aug.2000SPECIFICATIONSDV

9 SERVICE REMOCON2. HOW TO CHECK TV SECTION WITHOUT VCR DECKIf you want to check TV section without DECK mechanism, then please perform in

10SERVICE REMOCON 13. STILL Press this button to enter the PAUSE/STILL mode. 14. STOP Press this button to enter the STOP mode.

11SCHEMATIC DIAGRAM

12SCHEMATIC DIAGRAM

13EXPLODED VIEW1. DVT-14H1F

14EXPLODED VIEW2. DVT-20H1F

15PRINTED CIRCUIT BOARD

16SERVICE PARTS LISTLOC PART CODE PART NAME DESCRIPTION REMARK ZZ100 48B4446C04 TRANSMITTER REMOCON R-46C04 (AAA) 2 ZZ110 PTACPWA643 ACC

17 I826 1LE33CZ--- IC REGULATOR LE33CZ 2 I901 PTB3SW1300 HEAT SINK ASS`Y 1TDA6107Q- + 71743010111 1TDA6107Q- IC V

18 QC501 T2SC1623T2 TR CHIP 2SC1623-L6/T2B QC502 T2SC1623T2 TR CHIP 2SC1623-L6/T2B QC503 T2SA812T2B

1TABLE OF CONTENTS SAFETY INSTRUCTION ... 2SPECIFICAT

19 P802B 4857417500 TERM PIN DA-IB0214(D2.3/DY PIN) P904 485923162S CONN WAFER YW025-03 (STICK) PY03 485923202

20 CY03 CEXF1H109A C ELECTRO 50V RSM 1MF (4X7) TP CY05 CEXF1C101A C ELECTRO 16V RSM 100MF (6.3X7) TP CY08 CXCH1H50

21 C543 CCZF1H103Z C CERA 50V F 0.01MF Z C546 CBZR1C392M C CERA 16V Y5R 3900PF M (AXIAL) C548 CCZB1H10

22 D805 DBYV96E--- DIODE BYV96E (TAPPING) D806 DUZ13BM--- DIODE ZENER UZ-13BM D807 D1N4937G

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-AZ103

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-AZ153

25SERVICE 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

26 L311 5CPZ109M04 COIL PEAKING 1UH 10.5MM M (LAL04TB) R301 RD-4Z101J- R CARBON FILM 1/4 100 OHM J R302 RD-4Z101

27THE DIFFERENT PARTS LIST FOR SIZELOC. PART NAME PART CODE PART TYPE DVT-14H1F DVT-20H1F20 ANT ROD 4850A03310 PH-RM-008AC418 C MYLAR CMYE2D684J 200V

28SP01 SPEAKER 4858314310 SP-5070A01 3W 8 OHM48A8306000 SS-5070A01 3W 8 OHMSP01A SCREW SPKR FIX 4856013600 SWRM+SECCV01 COIL DY 58D1000045 ODY-M200258

2SAFETY INSTRUCTIONWARNING : BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "

29THE DIFFERENT PARTS LIST FOR SYSTEMTHE DIFFERENT PARTS LIST FOR TELETEXTLOC. PART NAMEPAL B/G[F]PAL I[P]P/S-B/G,D/K [D] SF501 FILTER SAW G1966M

1CIRCUIT DESCRIPTIONVideo1. OutlineThis video circuit uses a LA71598SM Super A/V 1 chip IC made by SANYO which includes luminance and color processor,

2CIRCUIT DESCRIPTIONB. REC modea) Luminance Signal Processing The signal is to pin 38,34 of ICY01, and one is selected to input to AGC AMP. Thi

3CIRCUIT DESCRIPTIONREC Luminance process Fig. 2 REC Luminance ProcessAppendix3834ICY01 AGC AMP 1/2 LPF YNR COMB FILTER CC

4REC color process Fig . 3 REC color processCIRCUIT DESCRIPTION AppendixVideo in 3834AGC AMP BPF YNR COMB FILTER 41

5C. PB mode a) Luminance Signal Processing The recorded signal is picked up by the head, and amplified 60dB by PRE AMP part. The amplifi

6PB Luminance processPB Luminance processFig .4 PB Luminance ProcessCIRCUIT DESCRIPTION AppendixHEAD 8285PB FM AGCPB FM EQPHASE COMP DOUBLE LIMITER F

7CIRCUIT DESCRIPTIONPB color process Fig . 5 PB Color ProcessAppendixHEAD 8285C. LPF AGC AMP MAIN CONVERTBPF 1/2 59575

8CIRCUIT DESCRIPTIONLinear Audio1 Outline This audio circuit uses a LA71598SM Super A/V 1 chip IC made by SANYO. The major features of this IC i

9CIRCUIT DESCRIPTION3 Explanation by ModeA. Mute Control ( pin 10 ) B. Explanation by modea) EE mode ( Rear line IN )The line input signal divided b

3SPECIFICATIONITEMS MODEL DVT-14/20H1(T)F, DVT-14/20H2(T)F, DVT-14/20H1(T)P, DVT-14/20H2(T)P,DVT-14/20

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

4CIRCUIT BLOCK DIAGRAM

5ALIGNMENT INSTRUCTIONS1. MAIN TUNER AGC 1) Set a Pattern Generator with RF level 62 6 2 dBuV, 210.25 MHz. 2) Connect a OSCILLOSCOPE PROBE to P101 ( T

6 ALIGNMENT INSTRUCTIONS5.5 HORIZONTAL CENTER 1) Apply a RETMA PATTERN SIGNAL. 2) Adjust picture centering with H-CENTER +/- KEY. 6. DECK ADJUSTME

7ALIGNMENT INSTRUCTIONS6-2. AUTO PG ADJUSTMENT1) After adjustment of 6-1. Press the " REC." button.2) Eject the Test tape.6-3. AZIMUTH ADJUS

8SERVICE REMOCON1. DIAGRAM1'st2'nd3'rd4'th5'thLANGUAGEV-SLOPE V-CENT V-SIZE H-CENTS-CORRBGRATK OFFOSD SUB AGC OSDSHIPPINGAGC