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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY SLHF750
Hum bar, e-e mode Hum bar floats through pix in e-e mode. ps voltages appearnormal, but found open zener diode d003 in power supply. problem mostnoticeable on ch. 5. did not appear when playing back pre-recorded tapes.
SONY HVM302
Auto iris over compensates for bright lighting Camera used for outdoor security surveillance. bright lightcauses iris to over compensate - produces a dark picture. -hq comments: have unit sent to service center for service adjustments.please inform of results.
SONY CDP620ESII
Disc overruns Does not read toc, overspins.
SONY SLHFT7
Key pad buttons will not activate any function Fuse (f002 on ps-97 board) blown and no functions from keypad. tuner timer can be programmed and remote works all functions.proper voltages measured on pins of ic401 from key pad.
SONY KPR4110
No picture - sound ok, see service bulletin 310r Unit had no picture. sound ok. cp1 thru cp6 open.both convergence ic's shorted.
SONY KPR4110
Need p/n for spring behind control panel, 4-375-439-02 There is no part # for the black spring behind the controlpanel. it is mounted to the top of the cabinet. -hq comments: the catch level part number is 4-375-439-02.
SONY KV1365
Channel up/down buttons break The above model has the channel up or down buttons broken.to correct the problem cabinet has to be replaced. buttons are part ofcabinet.
SONY KPR36XBR
Circle on screen, defective screen A perfect circle (like somebody drew it using a compass)was on screen. more obvious when looking at sides, with or withoutpicture.
SONY APMX4
New speakers available Kc now has available both left and right speakers for thefollowing models.kpr-36xbr kv-25vxrkv-20xbrii kv-25xbriia-4553-214-a left speakera-4553-215-a right speaker -hq comments: we will issue a s/b as soon as possible.
SONY KV25XBR
Connecting cord to pc Customer has a kv-25xbr monitor and a jbm-5140 laptopcomputer. he says computer has a 10 pin output. do we make a connectingcord that he can use?
SONY EVS700U
Head clogging Mr. takesue in burbank has discovered that extreme heat hasbeen causing a lot of head clogging.
SONY BMC550
P/n for tripod plate Page 105 in s/m shows tripod plate (to the right ofref. #170). please inform p/n. -hq comments: p/n is 3-690-251-01 and is now registered at kcp.this is also used for bmc-660/1000. a s/b will be issued.
SONY TCW5
Intermittent squealing in play or record A squealing noise is generated from the mechanism. this noise is not electronic. servicer had replaced thrust retainer once before.
SONY SLHFT7
Audio problem Audio problem (beta hi-fi) may be int. with weak andchanging audio (beta hi-fi) left channel cut out etc.
SONY SLHF900
A'-ch, b'-ch pb freq resp adj is incorrect A', b' freq. response adj. is incorrect. unable to adjust5.1 mhz level of rf sweep signal.
SONY SL5200
Would not go into eject mode Unit was being serviced by our san bruno fsc. the sx-1 boardwas replaced because it would not go into eject mode. with new sx-1 boardunit would go into eject mode only from pb or ff or rew modes. it wouldnot eject if eject button was pressed after it
SONY CDP7F
Intermittent or no playing of discs Focus is not achieved during the search mode. sometimes theunit will play if inverted. c805 becomes leaky and allows pin 16 of ic204(cx-20108) to be biased more positively. consequentially the objectivelens cannot search close enough to a disc surface
SONY CDP35
Constant low level illumination of unused display sections Sections of the fluorescent display tube not in use remaindimly lit at all times while the unit is on. d914 shorts allowing ac fromthe power transformer secondary winding to modulate the display drivers-24v power line. i have seen this twice in a cdp-4
SONY XR550R
Head deck continually cycles in and out Cycles direction continuously. k. f. cam gear on ref.no. 114, will not latch the direction change. gear was worn at the pointindicated.
SONY TCM6
Add model # to s/b Service bulletin #208 (tape recorders) should include tcm-2,tcm-17 and tcm-19/v. they both have the ref. #'s reversed, and the samep/n belts. -hq comments: we will publish a revised s/b.