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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.
6-12. HOW TO CHECK TILT SENSOR
The module QW-1471 uses the tilt sensor which enable the EL back light to be switched on automatically. For the repairing of the tilt sensor, please replace the PCB ass'y or the module with new one. Because the special equipments are necessary for fixing and adjustment of the tilt sensor. Please check and repair the tilt sensor according to the following procedure. A new PCB ass'y or the module as spare parts will be supplied from CASIO with the factory adjustment on the tilt sensor.
CHECKING OF TILT SENSOR
Switch the auto backlight function on.
Tilt the watch towards you for 45 degree from the position that is parallel to ground. Repeat the tiltings for 20 times.
YES
Is the EL light switched on more than 15 times ?
NO
The sensitivity of the sensor is acceptable.
Replace the PCB ass'y or the module with new one.
Parallel to ground
45°
� 22 �
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