RCA
CTC185
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RCA
CTC185
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Complaint
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Fix
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| PROCEDURE TO UNLOCK PARENTAL CONTROL MODE | USING ORIGINAL REMOTE PUSH "MENU" OR "PROG>CHANNEL 4> PARENTAL CONTROL> PUSH 4 TO TURN ON OR OFF |
| BEAT PATTERN IN PICTURE ON SOME HIGH CABLE CHANNELS | REPLACE Q621 (PN: ESDI8477) |
| CHANNELS INTERMITTENTLY CHANGE BY THEMSELF IN DECENDNING ORDER & MAY NOT TURN OFF | CHECK FOR CORROSION ON IR RECEIVER & TACT SWITCHES (NOTE: CLEANING SOLUTIONS GET DEPOSITED INSIDE CABINET DUE TO SHAPE OF CRT) |
| DEAD | REPLACE C3126 .02 SMD LOCATED OFF Q3102 |
| DEAD (0V ON PIN 1 OF IC4102) | REPLACE SHORTED CR4110 27V ZENER DIODE |
| DEAD (CLICKS THREE TIMES) | REPLACE CR4704 LABELED ON PC BOARD CR704 |
| DEAD (BLOWS F1 5AMP 125V LINE FUSE BLACK & Q4114 REGULATOR SHORTED) | REPLACE REGULATOR Q4114 (PN: 231523) & CHECK CR4111 (PN: 227362), CR4112 & CR4113 BOTH SAME (PN: 176296), R4136 (PN: 184980), U4103 (PN: 231525) & C4106 (PN: 226431) OR ORDER COMPLETE KIT (PN: 231523) (NOTE: CHANGE C4106 1UF ELECTROLYTIC TO A .47UF POLY CAPACITOR WHICH IS INCLUDED IN COMPLETE KIT) & Q4401 (MARKED Q401) (PN: BUH417) & T401 FLYBACK (NOTE: THERE ARE 3 FLYBACK DEPENDING ON SCREEN SIZE ORDER BY MODEL # |
| DEAD (COMES ON FOR A SECOND & SHUTSDOWN WORKS WITH VARIAC AT 75V) | REPLACE RESISTOR R4136 143K OHM 1% (PN: 184980) LOCATED IN POWER SUPPLY CIRCUIT |
| DEAD (COMES ON FOR A SHORT TIME & THEN SHUTSDOWN) | REPLACE LEAKY CHIP CAP C3126 22UF X 15V (PN: 217298) LOCATED IN RESET CIRCUIT BETWEEN "MUTE" BUTTON & MICRO U3101 MARKED C126 ON PC BOARD (NOTE: 0V ON PIN 2 "RESET" OF MICRO U3101 & 0V ON PIN 6 OF EEPROM U3201) |
| DEAD OR INTERMITTENT DEAD | DEAD OR INTERMITTENT DEAD |
| DEAD (HAS 160V B+ REGULATED VOLTAGE) | REPLACE CR4704 12V SCAN SUPPLY |
| DEAD (NO 160VDC REGULATED B+) | REPLACE R4114, R4136 & U4103 |
| DEAD (NO 22V STANDBY VOLTAGE AT U4102 REGULATOR) | REPLACE CR4410 |
| DEAD (PRESS POWER BUTTON RELAY CLICKS 3 TIMES) | REPLACE U7401 DEGAUSSING RELAY (PN: 231529) |
| DEAD (PULSES 3 TIMES & SHUTSDOWN) | REPLACE CR4704, R4710 3 OHM 3WATT CR4703, CR110 & R4119 10 OHM 1/2W & R4136 143K OHM RESISTORS |
| DEAD (Q4114 REGULATOR SHORTED) | REPLACE REGULATOR Q4114 (PN: 231523) & CHECK CR4111 (PN: 227362), CR4112 & CR4113 BOTH SAME (PN: 176296), R4136 (PN: 184980), U4103 (PN: 231525) & C4106 (PN: 226431) OR ORDER COMPLETE KIT (PN: 231523) (NOTE: CHANGE C4106 1UF ELECTROLYTIC TO A .47UF POLY CAPACITOR WHICH IS INCLUDED IN COMPLETE KIT) |
| DEAD (R4710 & R4119 BURNED) | REPLACE R4710 3 OHM 2W (PN: 223898) & R4119 10 OHM 1/4W (PN: 829010) & CR4704 (PN: 207878) & R4110 13 OHM 2W |
| DEAD (RELAY CLICKS ON & OFF) | REPLACE U7401 PLL IN LOCATED IN TUNER |
| DEAD (RELAY CLICKS) | REPLACE R4114 10K OHM 3W RESISTOR |
| INTERMITTENT OR NO AUDIO | REPAIR SOLDER CONNECTION ON J901 |
| INTERMITTENT VERTICAL SWEEP | REPAIR SOLDER CONNECTION ON PIN 27 OF U1001 |
| INTERMITTENTLY TURNS ON THEN SHUTSOFF CYCLES 3-4 TIMES THEN SHUTSDOWN & WON'T TURN ON | REPLACE CR4104 65V ZENER DIODE EVEN IF CHECKS GOOD (NOTE: STAND-BY VOLTAGE WAS TOO LOW 27 - 30V) |
| MENU BUTTONS WON'T WORK (PARENTAL CONTROL ON) | PARENTAL LOCK CONTROL IS ON MUST USE CUSTOMERS REMOTE TO DISABLE |
| NO PICTURE OR SOUND HAS ON SCREEN DISPLAY | REPLACE L2305 10UH COIL (PN: 175409) (MARKED L305 ON BOARD) (NOTE: NO I.F. VCC +76V ON PIN 3 OF U1001) |
| ON SCREEN DISPLAY IS BLACK & RED (SHOULD BE GREEN & BLACK) | REPLACE C2707 & C2708 |
| SHUTSDOWN (RELAY CLICKS) | REPLACE CR4704, R4710 3 OHM 3WATT & R4119 10 OHM 1/4WATT RESISTOR |
| SHUTSDOWN INSTANTLY | REPLACE LEAKY CR4105 5.6V 1/2W ZENER DIODE |
| VOLUME DISPLAY APPEARS IN UPPER RIGHT HAND CORNER & REMAINS ON & POWER CYCLES RAPIDLY ON & OFF | REPLACE MICROPROCESSOR |
| WON'T TUNE VHF CHANNELS | WON'T TUNE VHF CHANNELS |
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