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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.
Alignment and Adjustments
5. Turn the SCREEN VR until �MRCR G B� and �MRWDG� are green and those value are about 100. (The incorrect SCREEN Voltage may result that �MRCR G B� and �MRWDG� should be red)
Note 1. When you do not have Toshiba Pattern, follow this method. 1. 2. 3. 4. 5. Set the TV on the condition that AV mode no signal(black) Enter the �Menu� and set the mode to blue screen off. Enter the �Service Mode�. Select � G2-Adjust�. Set the values as below. IBRM = 220 WDRV = 35 CDL = 220 COLR G B = 150 150 150 6. Turn the SCREEN VR until the value of � MRCR G B� is about 120. Do not mind that the �OSD� Color is red.
s After completing G2-Adjust, follow this procedure. x Enter the �Video Adjust 1�. � Choose any item in menu. (ex. Select �Red Cutoff�) � Change the value of item you select, and recover the value.
For example, when the value of �Red Cutoff� is 127, change the value to 128 and restore the value to 127. If you do not follow this procedure, the picture may be abnormal. For example, when the TV set is on, the picture becames brighter gradually.
Samsung Electronics
www.rtv-horvat-dj.hr
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