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Modelo - Chassis KV32XBR35


Pesquisa: KV32XBR35 Enviar Dica Resolvida
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(Chassis)
SintomaCausaSoluçãoPor:
SonyKV32XBR35
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
SonyKV32XBR35
INTERMITTENT POWER SUPPLY FAILURE, COLD SOLDER ON IC651 Intermittent power supply failure. Q601/602 would short. Set worked three days between failure.
SonyKV32XBR35
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.
SonyKV32XBR35
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
SonyKV32XBR35
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
SonyKV32XBR35
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.
SonyKV32XBR35
BOWED PICTURE, REPLACE Q516 (PIN-MUTE) Picture was bowed in at the sides.
SonyKV32XBR35
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.
SonyKV32XBR35
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.
SonyKV32XBR35
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
SonyKV32XBR35
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
SonyKV32XBR35
CLOCK RUNS FAST, REPLACE "M" BOARD The clock gained about five minutes in one week. Replacingthe crystal X001 did not change the condition.
SonyKV32XBR35
PIP PICTURE IS BREAKING UP, REPLACED P-1 BOARD. Picture in picture would break up vertically.
SonyKV32XBR35
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
SonyKV32XBR35
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


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