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Sony Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SONYKDL-40EX405
No hdmi worksChange the hdmi ic, ic2200 position, check that the fuse f3701 is not openGaeletronica
SONYHCD-GT3D
Cutting only the voice boxes, sub playing normallyIc914Replace the same one, underside main boardBARBADINHA
SONYKDL-50W705A
RB1G
Flashing standby led 8 timesThe service manual states that it is a software defect, but in my unit, it was a shorted capacitor on the top of the main board, close to the ic2408, next to the varicap.The capacitor was replaced, the TV turned on again, but the display was also defective, a shame.Eletrônica ATM
SONYKDL-32BX425
TV does not turn on, standby LED blinks twice.Shorted inverter board mosfetsI replaced the mosfets with new ones from a donor board.Adam Kevin
SONYMHC EX880
DeadDz968Zener diode in worship,Sivaldo eletrônica
SONYHCD-RG121
I'm soundNo sound stk good, no power supply to the output relayReplace ic371 on side plateBARBADINHA
SONYKDL-40EX605
In sby red LED oscillates 3 times, power LED turns on, green LED goes off, red LED oscillates 7 times.Shorted hdmi ic, replaceCLÓVIS, caphqz,eletronica.com
SONY MHC-V5
Protect league 03Dirty plate full of dustI cleaned the amplifier board, the box returned to normal.Fernando técnico
SONYGPX77
Error 04Burnt outletReplace the board or try to do maintenance. Note: if the MOSFETs are toast, I find it very difficult to restoreStiltec
SONYKDL-48W655D
Without backlight and red LED flashes 6xBlown fuse below the metal capacitor next to the large coil, measuring the meshes it connects will not show any short, but if you measure it itself it will be open.Replace the fuse and evaluate the bus, in my case the bus was burnt.Jailon
SONYN160A006P
Turning off after a few minutesCi u101 (mps1880)Replace ci u101 (mps1880)Deo eletrônica
SONYN160A006P
No voltage on the stand-by connectorNo power arrives at the ci (u601)Open resistor r820 (01b) it is 1kDeo eletrônica
SONYKDL-32CX525 KDL-30CX525 KDL-32CX725
Led flashing 3 times, after removing the hdmi ci (shorted), it started flashing 8 timesTo display an image and function, the HDMI ci must be operational, otherwise it will flash 8 times, a code that doesn't even exist in the service manualReplacing hdmi cidavi.sls
SONYN160A006P
All normal voltages in stand-by, when activated everything diesZener diodes (802, 801, 804) of 720 and the ci u601 (sh2h0019)Deo eletrônica
SONYKDL32BX355
BT4HA006397
LED blinks twiceThree 680k power supply resistorsEduardo Leal inventor/LOJA eletro 27 995044275
SONYKDL 32BX
LED blinks twiceCheck r9112, r9102, r9103, r9810, r9811, r9812Eduardo Leal inventor
SONYKDL40NX655
No sound, or sound keeps coming and goingChange headphone connector (green connector)<small>This email address is being protected from spambots. You need JavaScript enabled to view it.</small>
SOM SONY MHC- TODOS OS MODELOS
Access panel no longer turns onLeaky front keysReplace all the keys, problem resolved.Fernando técnico
SONYGT 3D
Entering protect 31 remove the jack from the internal speaker, even though it beeps on the multimeter, it may be shorted or torn, remove it and run to the hug, just have it reconditioned, it will be greatMarck eletronica sao carlos
SONY MHC RG 290
40L7420
Turns off but does not show the demo, the standby blinks on the displayWhen turned off, standby flashes but does not show the demosSeverino Ramos Nunes Juvenal