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This is exactly the service manual I needed.
Complete with all schematics, partslists, PCB layouts and alignment instructions.
This manual covers both the T-4970 en T-488F Onkyo tuner.
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IF PRINTED CIRQUIT BOARD WIRING VIEW WAS ONE TONE LIGHTER, THEN 5 STAR RANK HAS TO BE MY CHOISE.
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Very usefull, good quality drawings !
Muito útil encontrei todas as informações necessárias.
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Wanting to repair a neighbours tape recorder I needed the necessary information, it makes it easier. Although the service manual is described as "Language : English" To my dismay I found that it is entirely written in German, a language I do not understand. At least I now have the schematics which will help of sorts. I may not use this service again due to the laguage difficulty after all when it states English you do not expect it to be entirely in another language.
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GOOD SERVICE MANUAL.I ALWAYS BUY THERE IF I FIND WHAT I AM LOKING
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Check 12:How to judge whether the flash memory has reached its life or not.
If the reaction to user operation is slow or operation is slow in general, there is a possibility that the flash memory has reached its life. Make judgment regarding the flash memory life by looking at the display of the LD energizing time. 1.Let the LD energizing time displayed. (Refer to the FE test mode for the method of displaying the LD energizing time.) 2.If the second digit from the left of the energizing time display is showing E, such as " E ", it means that the flash memory has reached its life. Example:
B A
0E000BB8
C
D
E
F
AVH-P7950DVD/RC
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