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perfect copy, im very satisfied, i was need the diagram over the powersupply and
the copy was very sharp
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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.
5-2. Replacing the CPU
Note: We have two kinds of CPU for this set, and either of them is used. Two kinds of CPU have differences in the lock position and the unlock position.
1. Socket con�guration 1
1. How to remove the CPU 1 Rotate the lock with a flat-blade screwdriver toward the unlock position shown in the figure. 2 Remove up the CPU. 1 (FOX)
2. Socket con�guration 2
1. How to remove the CPU 1 Rotate the lock with a flat-blade screwdriver toward the unlock position shown in the figure. 2 Remove up the CPU. 1 (AMP)
CPU lock position 2
CPU lock position 2
unlock position
CPU socket
unlock position
CPU socket
2. How to install the CPU 1 Position the mark on the CPU to the mark on the CPU socket and put in all pins to the holes on the CPU socket. 2 Pressing two corners marked with in the figure, rotate the lock with a flat-blade screwdriver toward the lock position. 2 (FOX) mark CPU unlock position mark 1
2. How to install the CPU 1 Position the mark on the CPU to the mark on the CPU socket and put in all pins to the holes on the CPU socket. 2 Pressing two corners marked with in the figure, rotate the lock with a flat-blade screwdriver toward the lock position. 2 (AMP) mark CPU unlock position mark 1
lock position
CPU socket
lock position
CPU socket
Note: Lock the CPU properly, or operation becomes unstable.
Note: Lock the CPU properly, or operation becomes unstable.
Sony Confidential
5-2 (END)
VGN-FJ10B/FJ90PS/FJ90S (J) VGN-FJ150/FJ150F/FJ170/FJ170P/FJ170Q/FJ180P (AM) VGN-FJ1S/FJ1SR/FJ1Z (EU) VGN-FJ55L/FJ56C/FJ56G/FJ57C/FJ57GP/FJ57LP/FJ57SP/FJ57TP/FJ58C/FJ58GP/FJ58SP (AO)
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