Daewoo C-CP420 free download

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RTV servis Horvat Tel: ++385-31-856-637 Tel/fax: ++385-31-856-139 Mob: 098-788-319 www.rtv-horvat-dj.hr 10. TROUBLE SHOOTING CHARTS 10-1. NO RASTER CHECK MAIN B+ ( 123V LINE ) NG. I806 6Vout ? Q803 BASE = H ? NG. SW08,P803 SOLDER ? TOP210 PIN VOLT ? D825~D828,F801,R803 ? NG. XN01,XN02,X701 OSC ? RN46,47,48'S PULSE ? IN01,I701 RESET = H ? NG. DECK SEPERATION OK DECK EXCHANGE NG 5V VCC VOLT ? PATTERN SHORT ? IN01,I701 EXCHANGE ? OK PA805 VCR H = H ? OK CHECK HEAT VOLTAGE, 16.5V, 45V, 190V LINE NG CHECK H DRIVE PULSE AT PIN3 OF PA406 NG OK PA406 MON. ON = H ? NG. I701 EXCHANGE CHECK DATA,CLOCK AT PIN 7,8 OF I501. CHECK PULSE AT PIN 6,13,38 OF I501. OK CHECK PULSE R,G,B,FB AT PIN 18,19,20,21 OF I501 OK OK CHECK D811 ~ D815 CHECK I802,804,805 CHECK CONNNECTOR PA904 P401,PA408 CHECK H.VCC AT PIN 37 OF I501 X501,X502 OSC OK ? OK CHECK Q401,Q402,T401,C418 R401,R402,R407,R409 I301,D301,D302 OK CHECK T801 SECONDARY VOLTAGE 8.5V,14V,13.5V ? NG CHECK I801 #9 VOLT I801 #7, #1 VOLT CHECK R817,D801~D804 EXCHANGE I801 OK OK 10-2. NO OSD DISPLAY CHECK H,V SYNC SIGNAL AT PIN 45,46 OF I701 NG CHECK V SYNC OF P405. NG CHECK H SYNC (SC) OF PA405 OK CHECK OSD OSC PULSE. NG CHECK I301 AND ADJACENT CIRCUIT. NG CHECK D501 CHECK CONNECTOR (PA406) AND PATTERN NG CHECK L,C or I701 OK CHECK 23,24,25,26 PULSE AND VOLT NG CHECK BRIGHT,CONTRAST CONTROL = MINIMUM ? 54 10-3. NO PICTURE(RASTER OK) CHECK VIDEO SIGNAL AT PIN6 OF I501 (TDA8374) NG CHECK DATA,CLOCK AT PIN7,8 OF I501 ( TDA8374 ) OK CHECK SIGNAL AT PIN48, 49 OF I501 ( TDA8374 ) NG CHECK I701 AND ADJACENT PATTERN. OK CHECK VIDEO SIGNAL AT PIN13 OF I501 ( TDA8374 ). NG CHECK QC504, QC512 OK CHECK R-Y, B-Y IN/OUT AT PIN 29, 30, 31, 32 OF I501 OK CHECK SIGNAL AT PIN 18,19,20,21 OF I501 OK CHECK TUNER VCC, DATA CLOCK,MODULE RF(ANT01) NG CHECK I502, I503 AND VCC 10-4. NO COLOUR CHECK R-Y,B-Y SIGNAL AT PIN 31,32 OF I501. (TDA8374) OK CHECK R,G,B SIGNAL AT PIN 19,20,21 OF I501 NG CHECK R-Y, B-Y SIGNAL AT PIN 29,30 OF I501 OK CHECK / REPLACE I901, I902 I903 ( CRT BOARD ) NG CHECK / REPLACE I501 ( TDA8374 ) OK CHECK / REPLACE I502 ( TDA4665 ) NG CHECK X501,X502 CC523,CC524,CC534 CC503,RC543 NG CHECK / REPLACE I503 ( TDA8395 ) ( SECAM ) NG CHECK SIGNAL AT PIN38 OF I501. 55 10-5. NO SOUND CHECK AUDIO SIGNAL AT PIN 15 OF I501 (TDA8374) NG CHECK VOLUME CONTROL VOLTAGE ? CHECK SIGNAL AT PIN 1 OF I501 OK NG CHECK QC505,Z501,Z502 OK CHECK SIGNAL AT PIN 55 OF I501. I701 20 PIN = H ? IN01 56 PIN = H ? CHECK QCY17,QC601 AND ADJACENT CIRCUIT OK CHECK VOLTAGE AT PIN 2,3 OF I601 NG SPEAKER ? SPEAKER CONNECTOR ? 10-6. NO EXTERNAL AV SCART JACK INPUT CHECK SIGNAL AT PIN 23,24,25 OF I501. RCA JACK INPUT CHECK SIGNAL AT PIN 11 OF I501. OK CHECK SWITCHING VOLTAGE ABOUT 2.2V AT PIN 26 OF I501. NG CHECK SCART JACK AND PATTERN. OK CHECK AT PIN 19 OF I701 = H ? NG CHECK SCART JACK AND PATTERN. NG CHECK QC511 AND ADJACENT CIRCUIT. OK CHECK I701 AND ADJACENT CIRCUIT. OK CHECK / REPLACE I501. OK CHECK / REPLACE I501