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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.
(Installation)
1. Install the SPACER shown in the Fig. 2-34-1. Note : Be sure to use the new SPACER packed with the new UPPER DRUM ASSY. 2. Install the UPPER DRUM ASSY shown in the Fig. 234-1. 3. Install the END RING so that the reference hole (A) of the END RING shown in the Fig. 2-34-2 will be placed in parallel with the Rear Line of the MAIN PLATE ASSY. (The reference hole (A) should be on the right when viewed from the bottom.) 4. Apply the screw-sealing agent to the hexagon screw (c) fastening the END RING shown in the Fig. 2-34-1. 5. Install the ROTOR CASE shown in the Fig. 2-34-3, matching its Holes with the three reference holes (B) of the UPPER DRUM ASSY. 6. Install the BRUSH shown in the Fig. 2-34-1. 7. Install the BRUSH SPRING shown in the Fig. 2-34-1. 8. Install the DRUM MOTOR STATOR shown in the Fig. 2-34-1. 9. Connect the LEAD CONNECTOR of the DRUM ASSY shown in the Fig. 2-34-1. 10. Perform the Item "PLAYBACK Switching Point" adjustment. 11. Perform the Item "Interchangeability Adjustment of the Mechanism". 12. Clean the DRUM ASSY with alcohol.
A END RING
Rear Line of MAIN PLATE ASSY
Fig. 2-34-2
ROTOR CASE
Fig. 2-34-3
B UPPER DRUM ASSY
Lock
2-35.CAPSTAN MOTOR
SET POSITION : Normal Remove the following part before replacing the CAPSTAN MOTOR. Refer to the corresponding item to install it. � REEL BELT (Item 2-14.)
Lock STAY PLATE WORM WHEEL
(Removal)
1. Rotate the WORM WHEEL in the Fig. 2-35-1 in the direction shown by the arrow A to release the Hooks of the BOTTOM ASSY from the Locks of the STAY PLATE. 2. Rotate the WORM WHEEL in the Fig. 2-35-2 in the direction shown by the arrow A so that the GUIDE ARM (TU) moves in the direction of arrow B and expose the three screws (a) fastening the CAPSTAN MOTOR. 3. Remove the three screws (a) fastening the CAPSTAN MOTOR shown in the Fig. 2-35-2 to remove the CAPSTAN MOTOR.
A
Hook of BOTTOM ASSY
Fig. 2-35-1
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