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Sony Repair Tips




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Search: sony
Results: 20100
Make Model Symptom Problem Solution By
SONY SLHF450
No beta hi-fi recording or playback Beta hi-fi led lights but no hi-fi sound is produced. also noe to e line - audio is present. this seen in three different sl-hf450s.
SONY KV27XBR15
No vertical, replaced ic-1301 No vertical. everything checked ok.
SONY KP7225
Shutdown, replaced c110 Unit shuts down when you change channel, volume etc. tp-6812v has noise on it. replaced c-110. -hq comments: c-110 is main filter capacitor of high b+ standby voltage(for relay drive) from which low b+ standby voltages (5v, 12v) arederived (for rc cir
SONY TAN77ES
Slew rate - explanation of spec Please explain the difference between the two slew ratefigures given in the manual. one is 150v/usec, the other 300v/usec(inside): what does this mean? -hq comments: the 150 v/usec. reading is the slew rate of the preampsection. the 300 v/usec. is mea
SONY ITM300
Battery connector reversed when changing main pcb board While replacing the main pcb, i had to change all plugs inconnectors from old pcb to new pcb. i then noticed that the leads onthe battery connector were reversed.
SONY KV32XBR10
Tearing in picture, replaced c-338 "a" board Tearing and instability in picture similar to agc problems inolder sets. some compression of sync pulses.
SONY KV20EXR10
Horizontal line only; sound ok, l-514 cold soldered ("a") Horizontal line only sound is ok. voltage missing atic-500/2. found one end of l-514 not inserted into pcb.
SONY STRAV1020
Low level buzz in audio Low level buzz in one channel that appeared and disappeared asvolume control was turned up. was not present at maximum volumeunaffected by balance control. sounded like a ground problem.
SONY CCDF55
No functions/no picture in standby On fu-72 board ic-501 pin 31-system reset had approximately30hz square wave signal. traced to solder splash on vk-10 board, pins 5and 6 of fp-296.
SONY CFD60
Low cassette take-up torque - eats tapes Unit was eating tapes. take-up torque was around 10g.cm. allunits i have worked on with this transport have low torque.
SONY KV8AD10
Bad picture Picture pulls in on side, weak video with vertical problem orhorizontal line. 30 volt line is down to 15 volts, q-651 is open.
SONY KV27XBR15
Could not turn set off, replaced relay ry-601 Could not turn set off. relay drive voltage would toggle.
SONY KV27EXR15
No sound - picture ok, replace ic-405 and f-602 No sound - picture is ok. the 22 volts is missing from pin 9of ic-405.
SONY KV1927RA
Picture is small when set is cold - expands when warm, c-544 Picture is small when set is cold - it expands as the tv warmsup. can only turn on and off with remote. no other functions.
SONY KV27EXR15
No sound, replace ic-405 No sound. signal input to ic is ok however, there is no output. dc bias voltages are all near normal.
SONY TCW390
No record Input signal to ic-341 is good but no output. replaced ic-341with no change.
SONY CDXA100
Will not work with rmx-2 Will not work with rmx-2. e04 error display shows. alsopertains to serial number 103051.
SONY CDXR79
Intermittent eject After pressing eject button, you can hear the loading motorrun but the disc will not eject.
SONY CDXR77
Intermittent eject After pressing eject button, you can hear the loading motorrun but the disc will not eject.
SONY CDX6020
Intermittent eject After pressing eject button, you can hear the loading motorrun but the disc will not eject.