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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY TCD5
Part not available - pause spring Part is on national back order. pls assist in locating part. -hq comments: there are none in the usa. hopefully rpc (tokyo parts)will have some. since this is an older unit though, they may not.
SONY KV25DXR
Dark picture - no color sync Set had very dark picture and no color sync.
SONY TAV5
Unit dead - no power Unit was inoperative due to malfunction of power supply.static tests revealed q901 base to collector short, r901 open and bothdiodes in ib901 circuit block were shorted.
SONY KV1500
White dots across top of screen White dots across top of picture, looks like unblacked vitssignal. vert. height and lin. controls have correct range.
SONY KV25DXR
Bar in middle of picture, replaced ic502 afc control Ghost image overlays normal video on screen. horizontalblanking bar appears in middle of pix.
SONY CDP302
Intermittent skipping Unit would play normally for a time then start to skip. afterwarmup it would occasionally fail to read toc. i noticed that the efbalance drifted after warmup and that freezing the rf amp ic would cause asignificant change in dc centering of traverse wa
SONY KPR36XBR
Broken picture control buttons, replaced front ass'y Picture up/down buttons broken.
SONY CDP302
Ams function does not work reliably Noisy unreliable ams. no other problem noted.
SONY SLHF450
Noise in playback During playback noise getting into video resulting in horiz.clicks getting into pix.
SONY KV1997R
Only power on & no power off, shorted c133 Only power on, could not power off. sleep light would notcome on at power on. no function. servicer had replaced ic103 and ic105still same problem. had v pulse pin 4, clock ok, reset ok, had noiseat h sync.
SONY KPR4600
No channel memory,replaced q-308 and d-339 Above symptoms were intermittent when turning set on and off with power button. reset pulse was insufficient. found a leaky base to emitter q308 and leaky d339.
SONY KV2091R
Low audio, change value of r842 to 300 ohms Customers are complaining about the low volume delivered by this model at max setting.
SONY KPR4600
Out of convergence at max brightner, replaced q-651 At max brightness, convergence would shift vertically, redabove and green below, with blue in the middle. found leaky q651 causingpoor regulation. b+ line about 5 volts lower.
SONY SLHF750
Noise in playback picture During the playback of self or prerecorded tapes, two or threebright spots, one line thick by 1/2 to 1 inch length on picture. theposition of spots changes left or right by turning the tracking knob.did not have any other unit to switch the boards for i
SONY SPP100
Missing p/n - mouthpiece speaker Need p/n for sp201 on page 28 and also for flex board. -hq comments: p/n for flex pcb is 1-618-500-11. it is reference #910.sp-201 is included in the front cabinet assthe cabinet is incorrect in the s/m. it should be x-3327-409-1.
SONY TCK96R
No p/n for panel, cassette holder Manual shows no part number for panel, cassette holder. -hq comments: the part number is 3-558-343-00.
SONY VCT150K
P/n for lock lever - left side Page 4 of s/m shows ref. no. 7 (2-391-606-00). however, thisp/n is for lock lever - right side. we need p/n of lock lever - left side(the threads are opposite ll-r). please advise. -hq comments: p/n is 2-392-808-01. a s/b will be issued shortly.
SONY CCDV8AFU
Alignment method incorrect On page 205 of s/m, adjustments in af section 1-34-3 areincorrect. test point for 5.5v adj. should be collector of q022, notemitter. vcf adj. is unclear. d001 cathode must be shorted to 1.7v line.also, in offset adj., it specifies shorting 1.7v line t
SONY WM10RV
Gear grinding and no take up torque This unit had a gear grinding noise and there was no take uptorque.
SONY KV20XBR
Horiz and power supply circuits No raster, no sound. sleep light comes on at power on, andstayed on until power off. power supply (ga and gb boards) not function-ing properly (no output osc. running off freq.).