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Sony Repair Tips




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Search: sony
Results: 20073
Make Model Symptom Problem Solution By
SONY KP61XBR38
No vertical sweep, replaced c1713 shorted Set had no vertical sweep. 3 color lines across center of screen. f902 was blown, sub deflection ic's checked good found 15v missing. ic 905 getting very hot.
SONY KP61XBR38
No main menu display, replaced ic2301 on e2 board Could not bring up the main menu. tracked problem to e2 bd. pin 2 of ic2301 was less than 100Ω.
SONY KP53XBR35
Defocusing of green tube Picture was poorly focused at high brightness levels.closer examination proved only green crt was defocusing.
SONY KP53V15
Power supply dead(g bd), repalce t601 Issued mcb asked servicer to send in old board. they could not find problem after replacing and checking many components.
SONY KP46XBR35
Set going into protection, replaced q801 on n brd Protection activated at power on, short on 115 volts line. found q801 shorted emitter to collector.
SONY KP46XBR35
Thin line on picture, replaced q630 regulator Intermittent retrace lines. discovered defective transistors on 225v regulator.
SONY KP46XBR35
No picture, c1713 shorted Unit had no pix,just lines across screen.
SONY KP46V15
Smeared green hi-lites, replaced q734 on cg brd shorted Symptoms were smeared green highlight areas in video, and when set was turned off, a green circular blotch would appear and gradually decay to black.
SONY KP46555
Red crt intermittent Customer stated picture would flash red, occasionally would make screen solid red with retraced lines.
SONY KP41EXR96
No power from g board(pwr sply), replaced t601 Dealer replaced board after not finding why q603, q614 were not oscillating when the dc voltages were normal. he replaced q603, q614, t603 and confirmed that everything else was ok. issued mcb and had old board sent to
SONY FDL370
Open f601 unit dead, replaced c707 shorted Found fuse f601 open due to c707 shorted.
SONY TAM2000
Loud buzz when playing back ogm or memo - clean s401. Unit would playback ogm or memos with loud buzz on top ofaudio but only when message/memo was recorded with s401 in the announceonly position. recordings made with s401 in other 2 positions wouldplayback normally as would any icm.
SONY TAM2000
Any phone hooked up to machine is dead - replace q301 Unit would not power up and also was shorting line (dialtone), making any phone hooked to unit appear dead. this occurred evenwith tam2000 unplugged from ac adapter.
SONY SPPX90
Difference between main board (old and new) The tech ordered main board p/n a-3615-557-a, the new board ismade in japan, the old board is made in taiwan. the following are thedifferences jack connectors cn-601, 602, 603 and 502 are different,connectors don't fit, also the new board has two extra c
SONY SPPX90
The line lamp will not turn off - replace q602 (872912028) The line lamp will not turn off. the relay/led drivetransistor q602 is defective. there is 1.9v at collector of q602 (itmust be 5.2v).
SONY SPPX50
No range (tx base) - l401 missing in base Unit has poor reception, range, and found missing l401 antcoil, (looks like it was not installed in the factory).
SONY SPPQ405
Handset cuts in and out during c0nversation Handset cuts in and out during conversation. battery terminalsin handset were not making secure contact with the battery. they wereeither bent out of shape (due to pressure exerted by battery when pushedin), or desoldered. if ref 16 (battery terminal) is
SONY SPPQ400
Handset cuts in and out during c0nversation Handset cuts in and out during conversation. battery terminalsin handset were not making secure contact with the battery. they wereeither bent out of shape (due to pressure exerted by battery when pushedin), or desoldered. if ref 16 (battery terminal) is
SONY SPPQ210
Handset cuts in and out during c0nversation Handset cuts in and out during conversation. battery terminalsin handset were not making secure contact with the battery. they wereeither bent out of shape (due to pressure exerted by battery when pushedin), or desoldered. if ref 16 (battery terminal) is
SONY SPPQ210
Low battery after charging. Customer states they have low battery after charging for longtime.