Instruction/ maintenance manual of the product DVT-14/20H2(T)P Daewoo
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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/.
1 TABLE OF CONTENTS SAFETY INSTRUCTION .................................................................................................... 2 SPECIFICATION ...............................................................................................
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.
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 .
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.
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.
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.
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 ente.
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.
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.
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.
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.
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 Q.
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.
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.
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) D8.
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.
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.
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.
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.
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.
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 A.
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.
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 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.
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 M.
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 .
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.
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.
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 INS.
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.
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.
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.
An important point after buying a device Daewoo DVT-14/20H2(T)P (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Daewoo DVT-14/20H2(T)P yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Daewoo DVT-14/20H2(T)P - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Daewoo DVT-14/20H2(T)P you will learn all the available features of the product, as well as information on its operation. The information that you get Daewoo DVT-14/20H2(T)P will certainly help you make a decision on the purchase.
If you already are a holder of Daewoo DVT-14/20H2(T)P, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Daewoo DVT-14/20H2(T)P.
However, one of the most important roles played by the user manual is to help in solving problems with Daewoo DVT-14/20H2(T)P. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Daewoo DVT-14/20H2(T)P along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
