S/M No:TCP062PEF0 Service Manual TV / VCR Combination CHASSIS : CP-062 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 SPECIFICATIONS ITEMS MODEL DVT-14/20H1(T)F, DVT-14/20H2(T)F, DVT-14/20H1(T)P, DVT-14/20H2(T)P, REMARK DVT-14/20H1(T)D, DVT-14/20H2(T)D, DVT-14H2(T)FG/(T)PG , DVT-14H2(T)FB/(T)PB TV SECTION STANDARD PAL-B/G(F MODEL), PAL-I/II(P MODEL), PAL/SECAM-B/G, D/K (D MODEL) SCREEN SIZE 14": A34J
TABLE OF CONTENTS SAFETY INSTRUCTION .................................................................................................... 2 SPECIFICATION ............................................................................................................ 3 CIRCUIT BLOCK DIAGRAM ............................................................................................ 4 ALIGNMENT INSTRUCTIONS............................................................................................
SAFETY INSTRUCTION WARNING : BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCTION SAFETY NOTICE" BELOW. PRODUCT SAFETY NOTICE Many electrical and mechanical parts in this have special safety-related characteristics. These characteristics are often passed unnoticed by a visual inspection and the X-RAY RADIATION protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage,etc.
SPECIFICATION ITEMS TV SECTION VIDEO SECTION AUDIO GENERAL 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 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”: A48JLL90X01, A48LPE01X01, A48EAX33X01 MAIN VOLTAGE 220V~240V AC, 50Hz POWER CONSUMPTION STAND BY MODE : BELOW 5 Watts OPERATION MODE : 14”= 59Watt
CIRCUIT BLOCK DIAGRAM 4
ALIGNMENT INSTRUCTIONS 1. 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 ( 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 . 3) Connect a OSCILLOSCOPE PROBE to P901 ( CRT CATHODE R,G,B ) 4) Adjust the screen volume on FBT such that the highest black level voltage 120V6 5Vdc .
ALIGNMENT INSTRUCTIONS 5.5 HORIZONTAL CENTER 1) Apply a RETMA PATTERN SIGNAL. 2) Adjust picture centering with H-CENTER +/- KEY. 6. DECK ADJUSTMENT 6-1.
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 1) Connect the measuring equipment to the AUDIO OUTPUT (P601) terminal. 2) After test tape playback, adjust the output level maximally by varing the azimuth screw.
SERVICE REMOCON 1. DIAGRAM LANGUAGE 5'th 4'th V-SLOPE V-CENT V-SIZE H-CENT 3'rd 2'nd R G B S-CORR 1'st ATK OFF OSD AGC+ SUB AGC SCREEN OSD AGCSHIPPING REC R-46C04 To enter the " SERVICE MODE" Press NORMAL-> AV->SLEEP->CLEAR->POWER buttons in regular sequency within 10seconds using USER REMOCON after setting ST-BY.
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. Turn on the TV using the remocon. ( You can see the OSD "EMERGENCY" ) 6. Check the TV section. 3. Refer to general adjustment 1.
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 LANGUAGE SELECTION mode. You can select the language by AGC+(moving up) and AGC-(moving down) buttons. 19. OSD Press this button to adjust the OSD H-Position.
SCHEMATIC DIAGRAM 11
SCHEMATIC DIAGRAM 12
EXPLODED VIEW 1.
EXPLODED VIEW 2.
PRINTED CIRCUIT BOARD 15
SERVICE PARTS LIST CAUTION “I“is safety component, so it must be used the same component. " 2 " is recomendable part for stock. LOC PART CODE PART NAME DESCRIPTION REMARK ZZ100 48B4446C04 TRANSMITTER REMOCON R-46C04 (AAA) M561 4855613600 MARK BRAND COPPER T0.
SERVICE PARTS LIST LOC PART CODE PART NAME DESCRIPTION I826 1LE33CZ--- IC REGULATOR LE33CZ I901 PTB3SW1300 HEAT SINK ASS`Y 1TDA6107Q- + 7174301011 1 1TDA6107Q- IC VIDEO TDA6107Q REMARK 2 2 LOC PART CODE PART NAME DESCRIPTION TU01 5800000032 COIL OSC DE0-006 U101 4859719930 TUNER VARACTOR DT5-BF18D X701 5XE6R0000C CRYSTAL QUARTZ HC-49/U 6.0000 MHZ 20PPM 0000A 4857031300 HEAT SINK A1050P-H24 T1.6 XN01 5XJ16R000E CRYSTAL QUARTZ HC-49S 16.
SERVICE PARTS LIST LOC PART CODE PART NAME DESCRIPTION REMARK LOC PART CODE PART NAME DESCRIPTION QC501 T2SC1623T2 TR CHIP 2SC1623-L6/T2B RCA04 HRFT154JCA R CHIP 1/10 150K OHM J 2012 QC502 T2SC1623T2 TR CHIP 2SC1623-L6/T2B RCA05 HRFT153JCA R CHIP 1/10 15K OHM J 2012 QC503 T2SA812T2B TR CHIP 2SA812-T2B RCN22 HRFT105JCA R CHIP 1/10 1M OHM J 2012 QC504 T2SC1623T2 TR CHIP 2SC1623-L6/T2B RCN23 HRFT511JCA R CHIP 1/10 510 OHM J 2012 QC505 T2SC1623T2 TR CHIP 2SC1623-L6/T
SERVICE PARTS LIST LOC PART CODE PART NAME DESCRIPTION REMARK LOC PART CODE PART NAME DESCRIPTION P802B 4857417500 TERM PIN DA-IB0214(D2.3/DY PIN) C811 CEXF1H109V C ELECTRO P904 485923162S CONN WAFER YW025-03 (STICK) C838 CEXF1E470V C ELECTRO 25V RSS 47MF (5X11) TP PY03 485923202S CONN WAFER YW025-07 (STICK) C842 CEXF1C101V C ELECTRO 16V RSS 100MF (6.3X11) TP R809 RS02Z228JS R M-OXIDE FILM 2W 0.22 OHM J SMALL C843 CEXF1C101V C ELECTRO 16V RSS 100MF (6.
SERVICE PARTS LIST LOC PART CODE PART NAME DESCRIPTION REMARK LOC PART CODE PART NAME DESCRIPTION CY03 CEXF1H109A C ELECTRO 50V RSM 1MF (4X7) TP Q835 TKTA1266Y- TR KTA1266Y (TP) CY05 CEXF1C101A C ELECTRO 16V RSM 100MF (6.3X7) TP Q836 TKTC3198Y- TR KTC3198Y CY08 CXCH1H509D C CERA 50V CH 5PF D (TAPPING) Q837 TKTC3198Y- TR KTC3198Y CY10 CEXF1H479A C ELECTRO 50V RSM 4.7MF 4X7 QQ01 TKSR1001-- TR KSR1001 CY16 CEXF1C101A C ELECTRO 16V RSM 100MF (6.
SERVICE PARTS LIST LOC PART CODE PART NAME DESCRIPTION REMARK LOC PART CODE PART NAME DESCRIPTION C543 CCZF1H103Z C CERA 50V F 0.01MF Z CY04 CCZF1H103Z C CERA C546 CBZR1C392M C CERA 16V Y5R 3900PF M (AXIAL) CY06 CZSL1H270J C CERA 50V F 0.01MF Z 50V SL 27PF J (AXIAL) C548 CCZB1H102K C CERA 50V B 1000PF K (AXIAL) CY07 CCZF1H103Z C CERA 50V F 0.
SERVICE PARTS LIST LOC PART CODE PART NAME DESCRIPTION REMARK LOC PART CODE PART NAME DESCRIPTION D805 DBYV96E--- DIODE BYV96E (TAPPING) L802 5MC0000100 COIL BEAD HC-3550 D806 DUZ13BM--- DIODE ZENER UZ-13BM LA02 5CPZ100K04 COIL PEAKING 10UH 10.5MM K (LAL04TB) D807 D1N4937G-- DIODE 1N4937G (TAPPING) LA03 5CPZ100K04 COIL PEAKING 10UH 10.5MM K (LAL04TB) D808 D1N4937G-- DIODE 1N4937G (TAPPING) LU02 5CPZ680K02 COIL PEAKING 68UH K (AXIAL 3.
SERVICE PARTS LIST LOC PART CODE PART NAME DESCRIPTION REMARK LOC PART CODE PART NAME DESCRIPTION R555 RD-AZ331J- R CARBON FILM 1/6 330 OHM J R821 RD-4Z561J- R CARBON FILM 1/4 560 OHM J R556 RD-AZ102J- R CARBON FILM 1/6 1K OHM J R822 RD-4Z153J- R CARBON FILM 1/4 15K OHM J R557 RD-AZ103J- R CARBON FILM 1/6 10K OHM J R823 RD-AZ432J- R CARBON FILM 1/6 4.3K OHM J R558 RD-AZ102J- R CARBON FILM 1/6 1K OHM J R824 RD-AZ332J- R CARBON FILM 1/6 3.
SERVICE PARTS LIST LOC PART CODE PART NAME DESCRIPTION REMARK LOC PART CODE PART NAME DESCRIPTION RN07 RD-AZ472J- R CARBON FILM 1/6 4.7K OHM J RQ16 RD-AZ271J- R CARBON FILM 1/6 270 OHM J RN08 RD-AZ221J- R CARBON FILM 1/6 220 OHM J RQ18 RD-AZ431J- R CARBON FILM 1/6 430 OHM J RN09 RD-AZ153J- R CARBON FILM 1/6 15K OHM J RQ19 RD-AZ821J- R CARBON FILM 1/6 820 OHM J RN10 RD-AZ332J- R CARBON FILM 1/6 3.
SERVICE PARTS LIST LOC PART CODE PART NAME DESCRIPTION REMARK LOC PART CODE PART NAME DESCRIPTION RY14 RD-AZ472J- R CARBON FILM 1/6 4.7K OHM J E005 4856310300 EYE LET BSR T0.2 (R1.6) RY15 RD-AZ102J- R CARBON FILM 1/6 1K OHM J E006 4856310300 EYE LET BSR T0.2 (R1.6) RY16 RD-AZ102J- R CARBON FILM 1/6 1K OHM J E007 4856310600 EYE LET BSR T0.2 (R2.3) RY17 RD-AZ221J- R CARBON FILM 1/6 220 OHM J E008 4856310600 EYE LET BSR T0.2 (R2.
SERVICE PARTS LIST LOC PART CODE PART NAME DESCRIPTION REMARK LOC PART CODE PART NAME DESCRIPTION L311 5CPZ109M04 COIL PEAKING 1UH 10.5MM M (LAL04TB) R320 RD-4Z473J- R CARBON FILM 1/4 47K OHM J R301 RD-4Z101J- R CARBON FILM 1/4 100 OHM J R405 RD-4Z152J- R CARBON FILM 1/4 1.5K OHM J R302 RD-4Z101J- R CARBON FILM 1/4 100 OHM J R412 RD-4Z272J- R CARBON FILM 1/4 2.7K OHM J 1/4 3.9 OHM J R311 RD-AZ152J- R CARBON FILM 1/6 1.
SERVICE PARTS LIST THE DIFFERENT PARTS LIST FOR SIZE LOC. PART NAME PART CODE PART TYPE 20 ANT ROD 4850A03310 PH-RM-008A C418 C MYLAR CMYE2D684J 200V PU 0.68MF J CMYE2D624J 200V PU 0.
SERVICE PARTS LIST LOC.
SERVICE PARTS LIST THE DIFFERENT PARTS LIST FOR SYSTEM LOC. PAL B/G [F] PART NAME 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 FILTER CERA X X TPS6.
CIRCUIT DESCRIPTION Appendix 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 PREAMP. 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 CHROMA IC is input to pin 38,34, of ICY01. One of them is selected, and input to AGC AMP(sync and peak AGC).
Appendix 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 AMP. 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. The separated luminance signal is passed through pin 21, and it is input to pin 20.
CIRCUIT DESCRIPTION Appendix REC Luminance process ICY01 38 VIDEO in AGC CCD AMP 1H 34 46 DELAY 45 YNR 43 1/2 LPF COMB 21 20 FILTER CLAMP DETAIL EN HANCER REC EQ FM MOD W/D CLIP NL EMPH MAIN EMPH H AGC + 41 SP/LP AMP 84 E A D CHROMA Fig.
CIRCUIT DESCRIPTION Appendix REC color process ICY01 CCD COMB Video FILTER AGC 34 AMP in 38 45 46 BPF ACC AMP 43 YNR CCD LPF COMB FILTER 41 BURST MAIN COLOR COLOR EMPHASIS CONVERT LPF KILLER LUMINANCE + H E A SP/LP 84 D Fig .
CIRCUIT DESCRIPTION Appendix 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 removes AM noise, prevents over-modulation and lets the signal input to FM DEMOD.
CIRCUIT DESCRIPTION Appendix PB Luminance process PB Luminance process HEAD ICY01 46 CCD 82 85 SP/LP 45 COMB SUB LPF 43 MAIN DEEMPHASIS 41 PB FM AGC FM DEMOD CLAMP PB FM EQ DOUBLE LIMITER YNR PHASE Y- LPF Y/C MIX QV INSERT COMP AMP 17 18 21 QCY01 20 QCY02 Fig .
CIRCUIT DESCRIPTION Appendix PB color process ICY01 HEAD 82 85 71 72 Y/C MIX C. LPF AGC AMP MAIN QV INSERT VIDEO AMP BPF NAP CCD LPF CONVERT BPF 1/2 C. COMB 57 52 59 COMB AMP 51 54 61 QCY05 Fig .
Appendix 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 operation of pins A. Features Including PB Amp, Line Amp, REC Amp, ALC circuit, EQ switch and Auto REC bias circuit.
Appendix CIRCUIT DESCRIPTION 3 Explanation by Mode A. Mute Control ( pin 10 ) Control Port Mute H L Mode Mute Except for Mute Function Line SW Open Close 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, input to REC 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.dwe.co.