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There are currently no product reviews.
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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.
H. AIR DUCT ASSEMBLY REMOVAL
1) Disconnect the leadwire from the lamp. 2) Remove the mounting screw to the latch board.
J. REMOVING THE TURNTABLE MOTOR
1) Remove the turntable. 2) Remove the turntable shaft VERY CAREFULLY. 3) Lay the unit down on its back. 4) Remove the turntable motor cover. The turntable base cover is easily removed by pinching the six parts with a wire cutting. 5) Disconnect the leadwire from the turntable motor terminals. 6) Remove the screw securing the turntable motor to the oven cavity ASS�Y 7) After repairing the motor, rotate the removed turntable motor cover. 8) Fit the turntable motor cover�s projecting part to the base plate slit. NOTE: 1. Remove the wire lead from the turntable motor VERY CAREFULLY. 2. Be sure to grasp the connector, not the wires, when removing.
I. MAGNETRON REMOVAL
1) Disconnect the leadwire from the high voltage transformer and high voltage capacitor. 2) Carefully remove the mounting screws holding the magnetron and the waveguide. 3) Remove the magnetron ASS�Y until the tube is clear from the waveguide. NOTE: 1. When removing the magnetron, make sure its dome does not hit any adjacent parts, or it may be damaged. 2. When replacing the magnetron, be sure to install the magnetron gasket in the correct position and be sure that the gasket is in good condition. 3. After replacing the magnetron, check for microwave leakage with a survey meter around the magnetron. Microwave energy must be below the limit of 5 mW/cm2. (With a 275 ml. water load). Make sure that gasket is rigidly attached to the magnetron. To prevent microwave leakage, tighten the mounting screws properly, making sure there is no gap between the waveguide and the magnetron.
Magnetron
Waveguide Dome Waveguide Bracket Magnetron Gasket Magnetron Wire Leads
Turntable Motor
5-5
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