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Very quality copy of original service manual, which contains the circuit diagrams, PCB and lists of components, well as recommendation for calibration procedures of device, also everything else, that need for repair, tuning and use this oscilloscope.
All presented copies have high-resolution, so you can view all in detail.
This manual will very useful for simple owners and for repairers.
I recommend these manual, because myself is owner of Philips PM3216 and I need sometimes servicing these oscilloscope (principally calibrating).
Also, these document is an example of excellent design of technical documentation.
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Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
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manual excelente completo , diagramas y esquemas bien presentados y buena calidad de imagen.
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muy buen manual completo de buena calidad de impresion preciso y detallado , muy útil para la reparación.
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The service manual is a good quality scan of the Panasonic NV-850, which is electrically identical to the Philips VR 6920, but mecanically just nearly.
6-9. HOW TO CHECK TILT SENSOR
The module QW-1676 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 16 times ?
NO
The sensitivity of the sensor is acceptable.
Replace the PCB ass'y or the module with new one.
Parallel to ground
45°
� 18 �
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