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Sony Repair Tips




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Search: sony
Results: 20073
Make Model Symptom Problem Solution By
SONY AVU270
No low stations The unit operated correctly except that it was not possible totune in the low stations. eg. fm/below 94mhz, am/below 1020khz and tv/below #5.
SONY KV2665
Intermittent vertical jitter with movie tape, remove q-854 When playing back prerecorded movies with copyguard the tele-vision would have an intermittent vertical jitter. all other modes workedfine - off air, generator, etc. by examining the sync in the delayed modeon the scope we determined that the vert. syn
SONY CCDV8AFU
Video was good but everything was pink Video was good but everything was pink. traced problem tome-1 board. good signal tp703. no signal tp704. signal ok pin 48 butdc voltage 4.8v. trace to leaky chip cap c711.
SONY ITA600
Radio interference Customer hears local radio stations over phone. hears 980 amand 610 am at the same time. worse when plugged into ac line. -hq comments: the rf interference is more than likely am. a choke coil(same as is used in spp-300) will soon be available from k
SONY EVS700U
Sticky drum assembly Drum does not start after unit is not used for several hours.
SONY CCDV8AFU
No power No power, all voltages normal out of dr901, vdd normal toic601. found no clock at ic601.
SONY CCDV8AFU
Tape hesitates Intermittent tape hesitation during tape run record or pb.momentary tape stoppage at random intervals progressing to emergency stopalthough normal immediately after reset, continue operation finallyobtaining complete failure of tape movement in all modes
SONY CCDV8AFU
Won't record Won't record, unable to enter any mode except eject, drum runfollowed by emergency stop. found no rf sw pulse pin 24 ic601/mc-4 board.no output pin 7 ic501 on mc-4 board, incorrect dc level pin 6 ic501.
SONY CCDV8AFU
No function No function. power up normal. found no motor power.
SONY CCDV8AFU
Flicker Flickers during playback and record, intermittent shift to four hour mode. found high frequency signal and noise present on 5 lines, variable with stress applied to dc-dc converter.
SONY BMC660
Cassette compartment won Cassette compartment will not catch.
SONY FD2A
No raster, shorted electrolytics c209, c215, c611 No raster, no sound. found one or more of the aboveelectrolytics shorted.
SONY CFS4000
Missing part numbers - packing material Need part # -hq comments: the part numbers are as follows:3-333-977-01 protection sheet3-333-979-01 cushion3-333-984-01 spacer3-333-997-01 prevention sheet3-333-980-01 cartonwe will issue a s/b.
SONY KV25XBR
Stereo light blinking Stereo light indicator blinks even when receiving nonstereochannels.
SONY TAAX520
One channel out This is the second unit we have seen with the same problem.the solder connections on the input board from the input jacks arebreaking loose. the first unit had one channel out on phono. this unithad one channel out when the equalizer was used. both we
SONY SLHF900
Intermittent pause release Once every 10 or 20 times during pause release the tape gotdamaged by the machine. the cause was that the take-up reel did not turnas a result tape wrapped around capstan shaft.
SONY KV2781R
Dead, resolder h drive transformer Set came in dead, scoped horiz osc and i had an output, scopedhoriz driver q551 collector and had an output. scoped base of horizoutput, found no signal. traced problem to driver (secondary) trans-former.
SONY KV2782R
Sleep light comes on, no other functions, replace r-555 With unit turned on, sleep light would come on, hi-voltagewould come up, no other functions, no sound, no raster. scoped ic101 ona board, pin 7 found no vertical pulse. traced problem to d board,found no vertical output. found no 27 volts on pin 7 of
SONY KV25XBR
Sleep light on, high voltage on, nothing else Unit turned on, sleep light comes on, hi voltage comes on,no raster, no sound, no functions. found vertical pulse missing onpin 4, ic103 on a board. traced problem to q127, base had vertical,nothing on collector. transistor was opened.
SONY XR27R
Incorrect part no. Servicer ordered above part no. (1-237-124-11) that is listedin service manual. part was wrong size for xr-27r.