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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.
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Main flowchart (2)...Checking VOL YNOFSA D
[From the Main flowchart (1)]
Display RST MASK 21 (Red 1023+). / [MKR S21]
A
Set VOL YNOFSA D to the tentative setting value 103. / [VYF 103]
Is there erroneous discharge (abnormal dead cell)? (Check on the PANEL 1-ADJ menu.) No Display RST MASK 22 (Green 1023+). / [MKR S22]
Yes
To the Recovery flowchart (2-1)
B
Is there erroneous discharge (abnormal dead cell)? (Check on the PANEL 1-ADJ menu.) No
Yes
To the Recovery flowchart (2-2)
C
Display RST MASK 15 (Magenta 120). / [MKR S15]
Set VOL YNOFSA D to the tentative setting value 151. / [VYF 151]
Is there erroneous discharge (abnormal lit cell)? (Check on the PANEL 1-ADJ menu.) No
Yes
To the Recovery flowchart (2-3)
Return the VOL YNOFSA D to the tentative setting value 128. / [VYF 128]
D
Determine the tentative setting value for VOL YNOFSA D as the final value.
From the Recovery flowchart (2-2) and (2-3)
[Adjustment completed]
E
Note: Make sure that the following values become the final setting values. VOL SUS *1 VOL XPOSF2 *1 VOL OFFSET VOL YNOFS1 D *1 VOL RST P *1 VOL YNOFS3 D *1 VOL XPOFS1 *1 VOL YNOFS4 D *1 VOL YNOFS4 A *1: The tentative setting value becomes the final value.
F
PDP-LX5090
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