Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | KV32XBR35 AA-1 | shut down | Unit will shut down each time the Remote headphones circuit is turned on. | Unit has an intermittent short to ground on the IR12 volt line located at the output of IC202(3-4) located on the ""A"" board. This short was caused by a solder splace on that circuit "" | Muller |
Sony | KV32XBR35 | INTERMITTENT POWER SUPPLY FAILURE, COLD SOLDER ON IC651 | Intermittent power supply failure. Q601/602 would short. Set worked three days between failure. | ||
Sony | KV32XBR35 | DEAD SET, REPLACED D1409 | Set dead, relay would click on and off.Unplugging connector G5 on G bd caused tv to begin playing.SOLUTION: Replaced shorted D1409 on audio B+ line. HQ COMMENTS: Located off of IC1401/pin 9 on the A Board. | ||
Sony | KV32XBR35 | DEGAUSSING PROBLEMS, REPLACED DIODES D668, AND 672 | Unit always in degaussing. -FOUND: Shorted D672. -STILL PROBLEM: Now the unit would never degauss.-FOUND: Leaky D668. P/N 871991119, SS119 diode. -HQ COMMENTS: D668 is across the DG relay with this diode leaky thedegaussing relay will not operate c | ||
Sony | KV32XBR35 | NO P.I.P AFTER REPLACING MCB A, SERVICE MODE ADJ. "PPLL" | G and A boards were replaced because of a severe power surge.After installing A board and completing the adjustments, there was nochild picture window, though all other functions were normal. The displaywas indicating that PIP was on by displaying the c | ||
Sony | KV32XBR35 | NO H-FREQ LOCK, REPLACE IC201 (9V REGULATOR) ON A BOARD | At normal AC line level (115V) there would be no h-freq lock.Running set at 90V set would function normally. Found excessive noise on9V line. | ||
Sony | KV32XBR35 | BOWED PICTURE, REPLACE Q516 (PIN-MUTE) | Picture was bowed in at the sides. | ||
Sony | KV32XBR35 | MENU FRAME SHOWING BUT NO CHARACTERS, REPLACE E2 BOARD | The unit had half blanking but no menu. You could do adj. butyou would not know what you were doing. I sent a sample to Tech Dept. | ||
Sony | KV32XBR35 | NO B+ REGULATOR, REPLACED Q-653 | Under load B+ would be approximately 100 volts while theunloaded B+ is 135 volts. I found the collector of Q653 at +5 volts. | ||
Sony | KV32XBR35 | DIFFERENT E1 BOARD IN SET, ORIGINAL E1 CAN BE INSTALLED | The set came in with an A-1346-132-A board in it instead of anA-1346-051-A as indicated in the service manual. Can we use 051-A since132-A is new and not available? -HQ COMMENTS: 132-A is used for FN with Closed Caption models this year. You can instal | ||
Sony | KV32XBR35 | IMMEDIATE SHUT DOWN, REPLACE V-OUT IC1501 | The unit will go into shut down immediately after been poweredup. The situation allows only five seconds to check some test points.DVM indicated 135VDC max at G3 pin 1 +B. The scope showed momentarily aclean 1000VP-P(H) at collector of HDT. Then I wa | ||
Sony | KV32XBR35 | CLOCK RUNS FAST, REPLACE "M" BOARD | The clock gained about five minutes in one week. Replacingthe crystal X001 did not change the condition. | ||
Sony | KV32XBR35 | PIP PICTURE IS BREAKING UP, REPLACED P-1 BOARD. | Picture in picture would break up vertically. | ||
Sony | KV32XBR35 | WRONG ON SCREEN DISPLAY CHARACTERS,IC2301 OR DATA LINE M-E2 | The memu pages (on-screen) show wrong character in onecharacter locaton. 1. In audio sub-menu, the fourth line should be SRSAUTO, but it displays SRS AUVO. 2. In ON/OFF TIMER sub-menu, thelast digit (minutes) for second timer is wrong:Correct (should b | ||
Sony | KV32XBR35 | NO AUDIO, CONNECTOR A-12 NOT SOLDERED | No audio line out or through internal speakers.Troubleshooting with scope found audio entering IC-1010 but nothing on theoutput. Checked DC voltages on IC. Found 12 volt supply was missing.Traced missing 12 volt to connector A-12 further inspections re |