|
|
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
Very good scan quality, only PC Board scan not enough contrast.
 ;
First of all I must say that I received the manual in just a few minutes after placing the order. The copy is well done and very readable. I will buy others soon... Thanks, Meyer
 ;
Good service manual. I gat all I want. Copy is good, but could be better. All clear and useful. I sincerely recommend.
 ;
The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.The schematic is very helpful and the images are very good.
 ;
Welcome. The scheme is clearly helped me to repair. Worth to download it.
NO SIGNAL.
Test whether +40V is normal or not.
NO
Check 40V loop.
YES
Test whether wave band switch voltage is available with CPU �,1�,41�,42 pin. Test pin VT output voltage is normal or not.
NO YES
Change CPU.
Check whether AGC voltage for +5V power supply of TV tuner is normal or not. Check the TV turner VT voltage is normal or not. Check 5V power supply and AGC circuit, and also check the circuit of VT voltage.
NO YES
Check whether circuit of pre-central amplifier and periphery of LA76810�,50 pin is normal or not.
NO YES
Check periphery of �,50pin for pre-central amplifier.
Change the TV tuner.
|
|
 |
> |
|