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Sony Repair Tips




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Search: sony
Results: 20077
Make Model Symptom Problem Solution By
SONY ITA205
No ogm & memo recording replace c513, p/n 1-124-584-00. Unit will not record ogm or memo. c513 is shorted to groundpreventing the mic signal (mic 501) from entering the pre amp (ic503).
SONY SPPA20
Request a part number for the mic board h/s The mic sub board h/s is cracked and since it is notavailable, you have to order the whole main board h/s.
SONY SPPA20
No range - resolder l501 and l502 in hand main board. Distorted audio or bad reception at handset speaker in talkfunction. l501 and l502 are cold soldered, causing rx & tx signal to beweak.
SONY SPPA20
Part number for cassette lid No part number for the rubber foot on the inside of cassettelid.
SONY ITA305
No ogm, icm timing failure & no remote record The shorted capacitor grounds pin 15 of ic503, which is thepreamplifier for microphone mic301 and incoming message.
SONY SPPA20
Base leds do not light - open trace ic301/pin 10 and r313. Leds on base did not light, but answer led was ok. checkedvoltages on ic302 and found no voltage on ic302/pin 2. checked ic301/pin10and it had the correct voltage. r313 that is between ic301/pin 10 andic302/pin 2 had no voltage either. checked trace be
SONY ICFPRO80
The unit only tunes on mw band - replace q501, p/n 872980036 The unit only tunes on mw band. there is no 18.5v at d502 andno waveform at base of q501. found base - emitter junction of q501 open.
SONY GVS50
No sound recorded from tuner pack ic401/au-136 bd Unit will not record audio when tuner pack is used. hasaudio output for line, speaker and hp, during record.
SONY KV27TS29
Picture tilt, added magnet and adjusted Customer complained about tilted picture at the top(seediagram below) of screen. tech used magnets on top of yoke to straightenout the line. (adjusting the yoke only moved the problem to the bottom). customer was not 100% satisfied but accepted the
SONY CCDVX3
White lines(horizontal)/defective ic601, vc-116 Looking at ee picture, several white lines, about 1 to 2scan lines thick would appear (see diagram below). scoping the output ofic601 at the vertical rate, you could see the problem. heating andcooling ic you could make and correct the problem. p.s.
SONY CDPC725
60 hz buzz heard with audio (replace d207, p/n 8-719-987-63) Unit makes a loud buzzing over audio (60hz sound). asc hadchanged all the digital processing ics without improvement.
SONY XR3050
Won't auto reverse correctly (replace trigger arm, ref. 234) When attempting to auto reverse, the mech would auto reverseto the opposite side but would then jump back. by holding the ff & revbuttons in for a few seconds, the auto reverse feature would work. by ob-serving the reverse gear, it appeared that the t
SONY CCDF77
Intermittent e to e sound/e to e color/check w502 fu-72 Checked chroma in at w701 pin 3. ok. found chroma signalgoing into ct21 board, w701 pin 4. no signal coming out of w704 pin 5.
SONY KV32XBR95
No power, replaced v out ic-1401 Set came in with no power turn on. problem was traced todefective ic.
SONY KV32XBR95S
Speaker rattle, replaced tweeter Speaker cone rattles with nominal volume.
SONY EVC3
Schematic difference on in23 board, r003 Schematic on p. 81 shows a 10k resistor, r003, connectedbetween rf gnd and cn602 pin 10. the board i saw had a shorting traceinstead. this also changes the voltage callout on ic002 pin18 (vi52 bd).it should read 0v, instead of 1.4v or 1v, page 69. -h
SONY CCDTR77
Availabilty of connector cn401/use 1-691-539-11
SONY KV27XBR10
Erratic operation on pic, brt, hue, etc. , static discharge Terry williams worked with a tech on the phone concerning asystem control problem. the sympton was when the set is turned on all thepicture controls are at max. (pic, brightness, hue, color, etc). thetech had replaced the memory and microprocessor. th
SONY KV27TS36
Shorted g2 on pix tube, replace crt Set is excessively bright with retrace lines. g2 is shortedinternally.
SONY TCK61
Random poping noise heard when in record mode - ry301 faulty A poping noise is heard in the output during the record modetap on the record/playback board and it is okay for a while but soonrepeats that noise.