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S/M No. : TCP082AEFO
Service Manual
TV / VCR Combination
CHASSIS : CP-082
Model : GB14H3/14H4/20H3/20H4/21H4 T1/T2
14H3/14H4/20H3/20H4/21H4 T1/T2
F14H3/14H4/20H3/20H4/21H4 T1/T2
K14H3/14H4/20H3/20H4/21H4 T1/T2
SPECIFICATIONS
GB14H3/14H4/20H3/20H4/21H4 T1/T2
ITEMS MODEL 14H3/14H4/20H3/20H4/21H4 T1/T2 REMARK
F14H3/14H4/20H3/20H4/21H4 T1/T2
K14H3/14H4/20H3/20H4/21H4 T1/T2
TV SECTION STANDARD PAL-I/II(GB MODEL),PAL-B/G(BLANK MODEL),PAL-B/G,SECAM-L/L(F MODEL)
PAL/SECAM-B/G,DK(K MODEL)
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TABLE OF CONTENTS SAFETY INSTRUCTION ....................................................................................................... 2 SPECIFICATION................................................................................................................... 3 CIRCUIT BLOCK DIAGRAM ................................................................................................. 4 ALIGNMENT INSTRUCTIONS .................................................................................
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SAFETY INSTRUCTION CAUTION PRODUCT SAFETY NOTICE WARNING : BEFORE SERVICING THIS CHASSIS,READ Many electrical and mechanical parts in this have special THE “X-RAY RADIATION PRECAUTION”, “ SAFETY safety-related characteristics. PRECAUTION” AND “PRODUCTION SAFETY NOTICE” These characteristics are often passed unnoticed by a BELOW. visual inspection and the X-RAY RADIATION protection afforded by them cannot necessarily be obtained by using X-RAY RADIATION PRECAUTION replacement components rated fo
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SPECIFICATION CAUTION GB14H3/14H4/20H3/20H4/21H4 T1/T2 MODEL 14H3/14H4/20H3/20H4/21H4 T1/T2 REMARK ITEMS F14H3/14H4/20H3/20H4/21H4 T1/T2 K14H3/14H4/20H3/20H4/21H4 T1/T2 TV STANDARD PAL-I/II(GB MODEL),PAL-B/G(BLANK MODEL),PAL-B/G,SECAM-L/L(F MODEL) SECTION PAL/SECAM-B/G,DK(K MODEL) SCREEN SIZE 14”:A34JLL90X01, A34AGT 14X71, A33EKC01X01, A34EAC01X06 20”:A48JLL90X02, A48LPE01X01, A48EAX33X081 21”:A51EAL155X17, A51EFS83X181, A51EBV13X09 MAIN VOLTAGE 220~240V AC,50Hz POWER STAND BY MODE : BELOW 5 Wa
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CIRCUIT BLOCK DIAGRAM 4
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ALIGNMENT INSTRUCTIONS 1. MAIN TUNER AGC 1) Set a Pattern Generator with RF level 62 2 dBuV, 210.25 MHz. 2) Connect a OSCILLOSCOPE PROBE to P101 (pin #1) ,(TUNER AGC INPUT). 3) Adjust AGC UP/DOWN KEY the voltage drop about 1V DC over below it’s maximum voltage. 2. SUB TUNER AGC 1) Set a pattern Generator with RF level 62 2dBuV, 210.25 MHz 2) Connect a OSCILLOSCOPE PROBE to P101(pin #3) 3) Press the REC-B key two times. 4) Ajust R157 on the MAIN PCB the voltage drop about 1V DC over below
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ALIGNMENT INSTRUCTIONS 6-5. HORIZONTAL CENTER 1) Apply a RETMA PATTERN SINGNAL. 2) Adjust picture centering with H-CENTER +/- KEY. 7. DECK ADJUSTMENT 7-1. 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 : oscilloscope, path jig Mode : PLAYBACK, ATK OFF Test tape : DP-2 (6KHz) Adjustment Procedure * 1) Connect the PATH JIG to PY03 after Test tape PLAYBACK 2) I
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ALIGNMENT INSTRUCTIONS 7-2. AUTO PG ADJUSTMENT 1) After adjustment of 7-1. Press the “REC.” button. 2) Eject the Test tape. 7-3. 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
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SERVICE REMOCON 1. DIAGRAM * To enter the “SERVICE MODE” Press NORMAL => AV => SLEEP => CLEAR => POWER buttons in regular sequency within 10seconds using USER REMOCON after setting ST-BY. 8
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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) S-CORR +/- ( S-CO
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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 you want by press AGC + (moving up) or AGC - (moving down) buttons. 19) OSD-POS / OSD / OSD Press OSD
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SCHEMATIC DIAGRAM - 11 -
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SCHEMATIC DIAGRAM - 12 -
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EXPLODED VIEW 1. 14H3 13
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EXPLODED VIEW 2. 14H4 14
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EXPLODED VIEW 3. 20H3 15
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EXPLODED VIEW 4. 20H4 16
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EXPLODED VIEW 5. 21H4 17
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