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Sony Repair Tips




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Search: sony
Results: 20073
Make Model Symptom Problem Solution By
SONY KV20TS27
No power, replaced d605 Tv won't come on. relay doesn't click. -solution : 5v standby was missing. found d605 short.
SONY KV20M10
Intermittent/ immediate shut down Had a number of complaints regarding this model involvingintermittent and immediale shut down. the problem is caused by c517which de couples the vertical output ic from the +13 v line. when itfails, too much 60 hz ripple is riding on the +13v line whi
SONY KV20EXR10
Intermittent loss of luminance , replaced c305 Loss of luminance but chroma remains intact. intermittentproblem can be simulated by tapping almost anywhere on chassis.
SONY KV13VM20
No loading, replaced fr1805 Cassette not loading, low audio.
SONY KV13VM20
Dead, replaced ic801 Dead.
SONY KV13TR28
Round circle after set turn off, c board ground loose When turning tv off a round circle about 1 inch size appeared in middle of screen with blue and red lines in it. a clicking noise came from inside tv.
SONY KPR46EX25
Red misconvergence intermittent, added jumper wire Intermittent convergence of red tube, particularly at bottom of screen. problem noticeable when d board flexed and resoldering didn't eliminate problem.
SONY KP46V15
Color off washed out video, replaced ic1002 The picture has washed out color, looks like low chroma signal.
SONY SPPA60
Handset transmits/receives intermittently or not at all Handset of models sppa20, 40, 60 develop intermittenttransmit or receive problems. tapping or soldering around transformersreveals problem by restoring operation. for transmit problems culpritappears to be l512, 3 occurrances last week.
SONY SPPA40
Handset transmits/receives intermittently or not at all Handset of models sppa20, 40, 60 develop intermittenttransmit or receive problems. tapping or soldering around transformersreveals problem by restoring operation. for transmit problems culpritappears to be l512, 3 occurrances last week.
SONY SPPA250
Availability of extension cables Is there an extension cable to facilitate troubleshootingbase main board and base key board. this is difficult as the base keyboard plugs into the base main board. -hq comments: tokyo fax no. 95-7-0400: move key bard away from cabinetto perform troubles
SONY SPPA20
Handset transmits/receives intermittently or not at all Handset of models sppa20, 40, 60 develop intermittenttransmit or receive problems. tapping or soldering around transformersreveals problem by restoring operation. for transmit problems culpritappears to be l512, 3 occurrances last week.
SONY SPP1010
Wrong ic number at pictorial diagram- ic 901 and ic910 Ic901 and ic910 are wrong per pictorial diagram at printed wiring board handset.
SONY SPP1010
Defective keypad - replace ic801 in handset, p/n 875932467 Not all keypad buttons on handset will function. afterverification that handset keyboard is good i checked the rows and columnlines from key board to main board. while checking corresponding caps andresistors connected to each column and row, found r828
SONY SPP1000
Dead handset due to dirty keypad - clean keypad Handset was dead. checked for bad connections, cracks, etc.after a bit of time, decided to clean rubber pad which appeared dusty.
SONY SPP1000
Line lock liine light goes on as soon as unit powers up Line relay energizes and line light goes on as soon as unit ispowered up. base of q401 was high.
SONY SPP1000
Crack on hand set mcb No dial tone, found hair line crack in cn901 area. itseems stress crack by mounting screw?sample forwarded. -hq comments: i examined the sample and i agree that it was caused bystress from the mounting screw. however it seems to be an isolated casec
SONY SPP1000
No handshake with base - clean corrosion on r511 and q601 Handset and base pass tests but would not lock with each other.
SONY CMH333
No power - resolder u1 in logic board The unit is dead. the unit will turn on if the logic pcb istwisted. i found the mpu ic u1 cold soldered.
SONY CMH333
Unit keeps turning on and off - replace q2, p/n 8-729-021-54 Unit keeps turning on and off. q2 current limiter transistoris shorted between collector and emitter.