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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY KV2665
Dead, h out q-504, reg ic-601 and f-602 H. output shorted and took out regulator and fuse.
SONY KV2657R
High voltage interference Interference with other sets. high voltage arcing because oneside of c867 on the p board was not soldered. it caused interference withother sets in customer's home.
SONY KV2654R
Dark picture, replace c531 and r541 Picture is dark during normal transmission on all channels.
SONY KV2649R
No display light, resoldered jumper Display did not lite at all. lower channels did not comeon all the time (int). higher channels worked fine, picture was good.found no hp going to t001 (hpt) on mt board.
SONY KV2647RX
Poor channel reception, replace vhf tuner No low channels (2-6) reception.
SONY KV1952RS
Intermittent shut down, replace c549 This unit intermittently shuts down. we found c549 to bethermally intermittent.
SONY KV1920
Retrace lines on the picture Few retrace lines were visible on upper left and lower center of the picture at maximum brightness.
SONY KV1947R
Crt shorted out, replace crt, q601, q901, d516 and r605a No picture. crt shorted out and in turn the following components went out: q601, q901, r605a and d516.
SONY KV1747RX
Snowy picture on high channels After unit would warm up, high channels (7-13) picture wouldbe snowy.
SONY KV1711
Color flicker Pulsating color.
SONY KV1547R
Intermittent sound Sound would cut out intermittently on vhf. unable to receiveuhf above channel 34. found catv/normal switch defective. this is thesecond unit i have found with this problem.
SONY KV1500
No horizontal frequency lock Horizontal frequency did not lock.
SONY KV1357R
Picture distortion when operating on/off button, d-001 When operating on/off button, picture would either go intosnow or have severe 120 cycle hum in it. set could not be turned off.
SONY KPR4600B
No picture, replaced q-956 Unit had no picture. sound would vary up and down. found lottransistor shorted.
SONY KP5040
Vertical noise bar, connection change on r3383 and r3384 Unit had dark vertical line in the center of the screen, onlow channels. disconnected resistors r3383 and r3384 where they jointogether and connected them to pin 2 of ba-9 connector.
SONY KP4000
Poor on no sound This unit powered up but there was poor or no sound/picture.we found r107 on the q board to be defective.
SONY FD30A
Poor focus, replaced crt This unit had poor focus. the tube had internal shortputting 500 volts on the focus pin.
SONY KX1901
Intermittent shut down This unit intermittently shut down. we found the lead fromthe flyback to the hvr control to have a poor connection where the wireconnects to the metal retaining cap. the resulting arcing caused theunit to shut down. it was not possible to properly rep
SONY KX1901
Weak sound on left channel Left channel output is lower than right channel.
SONY KV4100
Mechanical damage Flywheel gear broken. at least 25 units are due intohollywood fsc with same complaint. no tape deck operation. so far 5units repaired. four out of five had defective gear. gear must bestrengthened.