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Sony Repair Tips




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Search: sony
Results: 20077
Make Model Symptom Problem Solution By
SONY EVS550
Remote program set feature inoperable: check tv/catv setting All functions worked from the remote except the program setfeature. when trying to use this function, the unit would emit threeshort beeps.
SONY KPR46XBR15
Horizontal tearing, replaced c-366 ("e1" board) The picture was tearing horizontally. this would change withpicture brightness. the problem was worse when the unit was cold. theproblem was traced to c-366 on the e-1 board. this is a couplingcapacitor in the sync separator circuit. it had reduced
SONY KPR46XBR15
Green is severely pincushioned,repaired yoke winding The green was severely pincushioned. the problem was an openprimary vertical winding in the green deflection yoke. the open occurredat the splice underneath the plastic housing. although the wires were notphysically separated or broken there was not e
SONY KV27HSR10
White streaks in video, replaced c302 ("a" board) We have received some reports of white streaks in the videowhich will vary with the signal level. the problem is caused by c-302opening up. c-302 couples the video into the jungle ic.
SONY SLHF400
Intermittent rewind: remove glue under ic001 ss-32 board Intermittently when the rewind button was pushed the unitwould fast forward. the problem was caused by glue underneath the systemcontrol cpu/ic-001. this was altering the dc voltage at pin 15/key input.
SONY MZ2P
Loading/unloading difficulty, loading motor m-703 defective Disc was stuck inside unit. once it was removed, the discwould load but it loaded a bit slow.
SONY CCDSP7
Playback video is dark and no chroma/q-397, va-40 Used block diagram on page 41. checked signals on ic-360(cxa1200bx video process). ic-360 pin 20 demod out ok. return to pin 23to low signal level and use schematic. q-396 was not amplifying. emitterwas 2.1v (spec 3.4v). base was 0.565v (spec approxi
SONY SPP115
Muted audio (in and out) in handset - x-502 bad in base. Unit's handset locks up with the base but audio was muted(both receive and transmit). tested handset on the bk analyzer and iverified it was good. going to the base, traced audio back to the telline duplexer ic. i measured the pins around the ic and a
SONY SPP80
No dial tone - crystal x-503 replaced (p/n 1-567-994-11) No dial tone.
SONY KV32TS20
No picture/sound, replaced r-648 The set will not turn on. this is due to r-648 opening up.r-648 is located off of t-605/pin 4, in the standby supply. when itopens the standby, 5v is not present. replacement resolves the problem.note: we have received several reports of this failure.
SONY KV27EXR95
Vertical compression, replaced c-547 (a board) The picture was vertically compressed at the top. the problemwas caused by c-547 opening up. this capacitor decouples the -15v line.replacement resolved the problem. -hq comments: c-547 is located at ic-500pin 4, schematic grid locationh-19.
SONY CCDTR200
Won't eject/fp-550 Unit will not eject tape. no tape functions operate.
SONY EVS3000
Does not record video: open trace at c504 vi-104 board. Failure to record video was caused by an open trace at thesignal input to c-504 on the vi-104 board.
SONY CPD1430
Bright green retrace lines Bright blue retrace lines.
SONY KV13EXR90
No picture or sound, replaced ic-101 No picture or sound. on screen display only visible.
SONY KPR46EX35
Couldn't change channels or volume, replaced ic1001 Using either remote or manual control, could not changechannels or volume.
SONY KV27TS27
Poor contrast, replaced comb filter cm-351 Poor contrast.
SONY RMY113
No channel enter with jerrold cable box using code set Customer has jerrold cable box model dpv5212r3. when using thecode set the channel enter commands do not work, but channel up/down isworking. -hq comments: please ask the customer to use the learning function ofthis remote instead of the pre-set codes.
SONY KV32XBR70
Barkhausen oscillation, resoldered fbt connections We received some reports of barkhausen oscillation which maybe intermittent in nature and sometimes signal strength dependent. theproblem is caused by a poor ground connection on the focus block sectionof the flyback.
SONY KV32XBR25
Barkhausen oscillation, resoldered fbt connections We received some reports of barkhausen oscillation which maybe intermittent in nature and sometimes signal strength dependent. theproblem is caused by a poor ground connection on the focus block sectionof the flyback.