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Sony Repair Tips




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Search: sony
Results: 20089
Make Model Symptom Problem Solution By
SONY KV13VM20
Ticking from power supply,q1801 touching heat sink Ticking sound from power supply. all outputs dead.problem caused by q1801 touching head sink for switching ic. q1801 normounted in a way to make contact with heat sink but very close.repositioning q180 and adding a dab of rtv in between transistor a
SONY KPR46DX10
No picture set goes into protect, crack t604/pins 6, 8 Customer reported tv would turn on with sound, then screenwould light up bright white then set would shut off. checking for 230volts on cb board, measured on 70 volts.
SONY KP7225
No power, relay won't stay closed, replace c110 Set would turn on then within 2-3 seconds shut off.repeated attempts were the same.
SONY KP53XBR35
Low high voltage, excessive width, ic805 High voltage low and picture appeared to have excessivewidth. problem caused by ic805/n board. no pwm coming out of pin 7.115 v line not being boosted via the switched inductance circuit.replaced ic805, problem solved.
SONY KP53XBR35
Intermittent no picture sound ok, cold solder on car board Customer reported picture would black out after 20-30 mins.waiting until symptom appeared, noticed red colors in picture would getmuddy just before picture disappeared. after picture disappeared turningup the g2 controls would not produce a red raster
SONY KP53S55
No picture, replace ic805 h pin controller Set comes on, but no picture.
SONY KP53S15
Unit shuts down in video mode/ adj g2 Unit had no picture intermittently in video 1 mode. unit had no problem while in tv mode but when switch to video 1 it wouldblank out.
SONY KP41EXR96
Shut off by protect mode, replace fbt Customer complaint was set is dead. examination showed setwould power on then protect circuit would shut set off and had to beunplugged before it would power on again.
SONY GEN-TVP
Anode lead part number Replacement board does not have the anode lead with the flyback.
SONY SPPD15
Distortion in speakerphone mode Speaker phone not working right. when talking on speakerphone you hear chopped broken audio on other end.
SONY SPPA5000
Unit flashes e1 in display, no other functions At power up unit would sound an error beep and thenalternately flash e and 1 on the display. pressing any button wouldresult in another error beep. if the page and stop keys were pressedduring power up the unit would go into test mode correctly. un
SONY ITA250
Main board lay out different with schematic Tried to replace r322 but cannot, board totally differentfrom schematic. -hq comments: there are 2 service manuals, refer to the one that appliesto the unit. the 2 manuals are:9-956-098-11 and 9-956-098-12.
SONY MDP650
No display - replaced c102 Unit exhibits no display or sometimes weak display.
SONY MDP550
No display- replace c102,c103,c108,c110 Unit came in without a display. dc/ac converter not working.
SONY MDP550
No display dried out cap c102 No display, no output voltage for filament on fl display. found c102 dried out.
SONY MDP500
Shuts down when powered on - c68 shorted, c151 open Unit shuts down when powered up.
SONY MDP500
Cn701 on mb-712 different on new board Cn-701 has been changed from original type. the serial # range is 10001 and up and 805121 and up (2 ranges based on production plant). original connector (2.5mm pitch) was changed to 2.0mm pitch).
SONY MDP500
Different main board Main board from stock does not match one in the unit. cn701 does not match.
SONY DMP650
No spindle rotation - replace shorted q058 on pwr board When play button pusched, unit would focus and then shut down. display would continue to flash off until unit was unplugged.
SONY TCWR901ES
Intermittent no functions - 5v to 7.5v shorted on rec bd Unit was intermittantly inoperative and recording was poorwhen it operated. found 7.5v on main micro vcc line. q504 +5v regulatorwas not the problem.