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Sony Repair Tips




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Search: sony
Results: 20073
Make Model Symptom Problem Solution By
SONY STRAV340
No audio output Power amp ic (p/n 8-749-900-24) was blown. loose groundconnection on main board probably caused power amp to blow. the screwswere stripped.
SONY CCDV3
Stays in stand-by Unit stays in standby even push rec start button.
SONY CCDV8AFU
Scratching of tape White line appears about 1/6 down from top of screen whenplaying pre-recorded tape. problem did not show up until tape was rewoundand played back again. unit was scratching tape on exit side of drumdue to the fact that guide #5 was not spinning. upon
SONY CCDV110
Intermittent time/date display Display only two dots on time/date display.
SONY EVA300U
Tape transport inoperative Tape transport functions inoperative. mode and load controlmotors and switches check good with checker box. could not get an outputcommand from microprocessor to run these motors even though the inputs tocpu check good. i found that every other functi
SONY CDP302II
Bu-1 - fractured plastic mounts All bu-1 blocks received are received in sealed boxes, butwhen the boxes are opened for installation of the part, it is discoveredthat two or more of the plastic legs are broken. also, some bu-1suffer severe main chassis fractures. i have been using bu
SONY CCDV110
No rf output No rf out of rfu80 connector to tv. video and audio outputare functioning. no b+ to rf connector present.
SONY CCDV110
Dead set Unit came in dead. replace f381 connect all cables andharnesses. unit comes on but no camera video. playback deck works fine.
SONY CCDV8
Red line appears Red line appearing from middle left side to center of screen.verified that it was a camera problem. appeared during e-e and playbackviewing.
SONY SLHF550
Vertical jitter and rolling on copy guarded tapes Vertical jumping and jitter when playing back prerecordedtape. -hq comments: problem is that copy guard changes the duty cycle of thetiming pulses in the vertical interval. certain tvs and monitors are moreaffected than others. older sets are more tol
SONY EVS700U
W2n Tried adj. 5-2-3 (tracking adj.) on pg 241 but had no effecton pix quality. also could not obtain waveform as shown. -hq comments: the tracking adjustment affects the dc bias of the 16khzand 46khz signals derived from the four atf pilots. adjust for m
SONY KPR4110
Erratic operation at turn on,replaced power supply Turn set on and rgb, video #3, sap, aux ??? comes on with nosound or picture, will turn on by remote but not manually.
SONY TCW3
Muting problem Unit was muted on both decks. however, with deck a in playmode, pushing deck b play, ff or rwd buttons, unmuted deck a. pin 42 ofic303 was low. d317 is not in the circuit nor is the foil pattern whereit is shown.
SONY ICF2001D
No tuning fuctions, display goes to 150khz Unit will not tune. display will get stuck at 150 khz. foundcracked c118 on pll.
SONY SL2710
No tuner mode Unit would not operate in tuner mode. channel indicator ledwould not light up and no picture on monitor.
SONY SLHF1000
Pix distorted during self rec pb of computer signal When recording off an apple iie computer, during playbackthe unit exhibits severe horizontal tearing. i contacted apple and foundthe iie operates at 15,700hz horiz/non-interlaced, and 59.92hz verticalfor the composite output. -hq comments: i checked th
SONY KV1961
High pitch hum (int), jumper wire vibrating Intermittent high pitch hum, loud at times coming fromlocation of flyback.
SONY KV2771R
Audio popping, replace c-140 on "a" board This unit had intermittent popping in the audio.
SONY CCDV8AFU
Ps601 blows Blows fuse ps601 on mc-4 board after 4 hours operation withac-v8uc ac pack. applying logic analyzer to e and b of regulator q619received a positive pulse on both elements when the fuse blew.
SONY CDPC10
Low level hum Unit puts out a low level hum, easily heard in play pause withvolume turned up high.