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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.
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7.1.2 DISASSEMBLY
1. Removing the Amplifier Assy
1) The Amplifier Assy is attached to the cabinet by six external screws 1. To detach it, pull down the subwoofer toward the left side. 2) Then unfasten those screws 1 . 3) Then stand up the speaker again. To detach the Amplifier Assy, first remove the connecting code. Then pull straight the Amplifier Assy toward back and remove it.
A
2. Removing the Subwoofer
1) The speaker element is attached to the back board by four external screws 2. To detach it, unfasten those screws. 2) When attaching it,face its terminal upward.
Screw 1 Screw 1
B
3. Removing the Cosmetic Baffle
1) The cosmetic baffie is attached to the baffle by press-fitting. To detach it,pry it open by inserting a flat blade screwdriver into lower side.
Screw 2
Screw 2 Connecting Code
Amplifier Assy
4. Removing the Cosmetic Duct
1) The cosmetic baffle, those screws are removed when removing the cosmetic duct attached in cosmetic baffle with four screws.
C
5. Diagnosis
1) Remove the four screws 3. 2) Disconnect the two connectors 4. 3) Remove the AMP MODULE 5.
4 3 3
4
5
D
AF Assy AMP MODULE 6CH
3
3
E
F
S-DV990SW
5 6 7 8
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