☰

Sony Repair Tips




AIWA
BEKO
CCE
CINERAL
DAEWOO
FUNAI
GRADIENTE
GRUNDIG
HITACHI
ITT
JVC
LG
MITSUBISHI
PANASONIC
PHILCO
PHILIPS
PIONEER
RCA
SAMSUNG
SANYO
SHARP
SONY
THOMSON
TOSHIBA
VESTEL


Search: sony
Results: 20073
Make Model Symptom Problem Solution By
SONY CDP370
Does not work with remote properly Does not work with remote control, or intermittent remoteoperation. not taking commands properly. remote commander checks ok.
SONY STRAV710
No system power Power relay ry-901 will not turn on. solder joints at legs ofq-911 look discolored by excessive heat.
SONY KV27TS22
Compressed picture, replace c-542 Severely compressed picture with signal in picture foldoverand bright line in the center - horizontal deflection is ok.
SONY CCDF55
Dew light comes on Dew light comes on intermittently. read about 7kΩ atsensor and 45kΩ at other end of connector on loading motor board.
SONY CCDF55
Color fades Color fades in and out - with flicker on some part of picture.
SONY KV27TS30
Purity changes on left side, crt Purity changes on the left side after warming up.
SONY KV27EXR10
No audio, replace ic-405 audio out Not audio.
SONY KV20XBR
Immediate shut down Unit powered up and immediately shut down. we found thatq-503 in the protect circuit had a e-b short. this was caused by anintermittently arcing flyback. replacement of the transistor and flybackresolved the problem. -hq comments: with the flyback ar
SONY STRAV920
Unit blows 3.5 amp fuses Unit came in with blown fuses: f852, and f851. result was noaudio. i replaced the fuses and put the unit on back bench to test it.several hours later, the fuses were blown again.
SONY SLHF900
Cue/review When coming out of cue/review, capstan would not slow down.tape would wrap itself around the capstan shaft.
SONY KV27HFR
Dead, shorted d-686 on "g" board Dead - could not get 135v line past 40 volts. this unit isdifficult to troubleshoot due to incorrect voltages in some areas aroundic-682, ic-651, etc.
SONY KV27XBR60
Power only, replaced ic-1301 Unit had no picture or sound. the main relay closed, h.v.came up and the sleep light illuminated. the symptom was just as if therewere no vertical timing pulse to the micro. in fact, there was no outputfrom the vertical drive pin on the jungle althoug
SONY RMX2
Audio muted for 10-15 seconds when switching tracks When switching from track to track or switching disc, first10 to 15 seconds of music is muted.
SONY KV27XBR10
Intermittent color, replaced comb filter, also see sb # 53 Monitored ic-301/pins 4 and 5 on the a board. chroma levelwould drop, traced back to comb filter.
SONY KV2011CR
No picture/sound, l-659 value changed The unit had no picture or sound. we found the 8v line to beapproximately 2.2v. the problem was caused by l-659 in the pulse supply.while it looked ok and theΩ check was good, it had changed value.l-659's value is important. it's reactance determi
SONY CCDF55
Ic-82 (ref 364) corrected part number Servicer ordered above part number. the part is physically different from part in the unit. computer shows this part to be forced-f89. page 109 of service manual.
SONY CDP707ESD
Intermittent playback Customer said unit would intermittently skip and stop playing.unit had been at authorized shop two times (fop changed once). testedunit with no evidence of problems. upon pressing on ic-101 (rf ic) rfpattern distorted and dropped out. as only pressing
SONY STRAV920
Unit turns on/no operation-display malfunctions Unit turns on, however, there is no operation and the displayis erroneous. drlc light stays on all the time, even though drlc is notselected also equalizer, tuning, and index lights on the display are onall the time, even if not selected.
SONY TCFX707R
Several parts installed backwards on the new pc board After installing new pc board, several problems occured.after troubleshooting pc board, the following components were found to beinstalled backwards: q-303, q-304, f-101, f-201, ic-304, q-301 and q-302.
SONY SPP100
Intermittent line grab and ring on phone Phone would not ring sometimes, and sometimes, it wouldgrab line.