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Sony Repair Tips




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Search: sony
Results: 20089
Make Model Symptom Problem Solution By
SONY KV27V55
Dead, replaced c626 Unit dead. although power supply was oscillating, thestandby voltage was insufficient due to leaky c626. c626 filters standbyline right off rectifier. replacement solved problem.
SONY KV27TS32
Rgb blanking, d751 Unit in rgb blanking due to ik circuit not being able tobalance colors. problem caused by leaky d751, high reverse leakage, inthe blue output circuit. replacement resolved problem.anything that upsets crt bias so red, blue and green cannot be properly
SONY KV27EXR90
9.3v line shorted, srs shorted 9.3 volt line was shorted. traced to e board. srs moduleconnected to e-25 was shorted. e-25 connected to cny-25.looking on the schematic there is no cny-25.
SONY KV2670R
Retrace lines at top of picture, replaced c520 & c542 Tv shows white lines on the top of screen.
SONY KV20VM20
No picture/no sound, fr1805 changed value Unit came in no picture/no sound hv ok.
SONY KV20TS32
Distorted picture, fbt Unit came in with picture flickering/flipping verticallyand pulsating horizontal width. when g2 control was turned higherproblem would get worse. g2 line, ground, focus, and hv lines all seemedin place. performing s/b tvp0240 did not resolve problem.
SONY KV20TS32
No power, replaced c632 Dead unit. found capacitor c632 leaking, and r610 open,transistors q603/604 shorted.
SONY KV13VM20
Power relay pulsates on and off, replaced q1806 Power relay rl-1802 pulsates on and off.
SONY KP53S15
Shut down,replaced ic-761 Unit going into shut down, traced problem using trainingmanual ic761 shorted.
SONY KP46V15
No vertical, ic907 There was no vertical deflection. this was a result of the-5v and +5v lines being very low. the problem was caused by ic907. itwas shorted and drawing too much current from these supplies. replacementresolved the problem.
SONY KP46S55
No customer adjustments of center convergence, ic506 Ic-506/pin 13 on the a board, was bent under the icand did not go through board when installed from factory.
SONY KP46S55
Rgb blanking, q203 The unit was in rgb blanking. this was caused byic302/pin 27, jungle, being pulled low via q326 on the e1 board. thereare basically three inputs to q326 which is a buffer/inverter. the inputcausing the problem was a leaky q203 on the a board. this
SONY KP41EXR96
"d" board caps wrong value & p/n, 1-131-353-00 S/m states c1713 and c1718 on page 162 are 0.001 uf/caps in reality they are 10uf/35 volt tantalum. -request: need the correct p/n . -hq comments: the correct p/n is 1-131-353-00. these caps are located on the d board i
SONY FDL22
No battery operation, defective battery term. Unit not working on battereis, ok with ac adaptor. foundretainer for positive battery terminal protruding out too far, preventingcontact with battery.
SONY TAM2000
Won't receive calls/cannot program any functions Won't receive calls/cannot program any functions.
SONY SPPQ210
No sound in handset - resolder cn502 Unit grabbed line but no sound in handset. checked sp501 itwas 180Ω. checked cn502 it was 18.2 kΩ.
SONY SPPA250
Defective speaker, duplicate part # No handset audio.
SONY SPP72
Handset has no power - resolder battery connector j502 Hand unit either not operational or battery is discharged.found poor solder connections on j502 battery connector on hand board.not enough solder for a secure grip. this connector is pulled whenreplacing batteries.
SONY SPP71
Handset has no power - resolder battery connector j502 Hand unit either not operational or battery is discharged.found poor solder connections on j502 battery connector on hand board.not enough solder for a secure grip. this connector is pulled whenreplacing batteries.
SONY SPP2010
Unit had lots of static then went dead - replace x301 Unit would lock up on one channel only and would not changechannels. found tx frequency off. checked for correct vco's.