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you are doing great job guys.....my father ask me to find out the schematics of Sony KV25R1D to sort out the problem ..(he was electrical technician, and excperianced with TV and simillar stuff). finally he found the cause and change all necessary parts....now he has got working old dog..and is very happy!!... thank you all.. NB..he also saved the repair cost.
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Perfect. Received my manual within 24 hours. Clear scan of the manual I needed. No problem.
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Item as described, very well detailed manual with complete schematics. I've received the download information shortly after payment, very good support.
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Really good and well scanned. File is complete the full service manual for 5$
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Good product and very helpfull to repair. Many thanks.
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A
A
Turn the main power on with the cable to the CN2401 or CN2301 disconnected. Check if 5 V DC is output from Pin 8 of CN2301. YES NO Failure in the CN2301 or LED PWB (failure in the M5V line at Pin 8 of the CN2401)
Turn the main power on with the cable to the CN2302 or CN9010 disconnected. Check if 5 V DC is output from Pin 20 of CN9010. YES NO Is 5 V DC output from Pin 5 of IC9502? NO Failure in the MAIN PWB (failure in the IC9502) Failure in the CN2302 or COMM SLOT IF PWB (failure in the M5V line at Pin 20 of the CN2302)
B
YES Turn the main power on with the COMM SLOT Assy disconnected from CN2303. Check if 3.3 V DC is output from Pin 118 of CN2303.
C
YES NO
Failure in the COMM SLOT Assy (failure in the M3.3V line at Pin 118 of the CN2303)
Turn the main power on with the cable to the CN2302 or CN9010 disconnected. Check if 3.3 V DC is output from Pin 16 of CN9010. YES NO Turn the main power on with the cable to the CN4004 or CN5301 disconnected. Check if 3.3 V DC is output from Pin 50 of CN5301. YES NO Failure in the CN4004 or COMM SLOT IF PWB (failure in the M3.3V line at Pin 1 of the CN4004) Failure in the CN2302 or COMM SLOT IF PWB (failure in the M3.3V line at Pin 16 of the CN2302)
D
Turn the main power on with the cable to the CN2201 or CN9011 disconnected. Check if 3.3 V DC is output from Pin 1 of CN9011. YES NO Is 3.3 V DC output from Pin 4 of IC9503? YES Is 0 V DC output from Pin 14 of CN8502 (AD2)? NO (4.7V) Failure in the AD2 connector or MAIN PWB (failure in IC9501 or X9501) Note: If IC9501 is in failure, replace the whole board. NO Failure in the MAIN PWB (failure in the IC9503)
E
Failure in the CN2201 or KEY PWB (failure in the M3.3V line at Pin 1 of the CN9011)
YES Failure in the MAIN PWB (failure in IC9501 or X9501) Note: If IC9501 is in failure, replace the whole board.
F
PDP-425CMX
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