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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.
5. Trouble Shooting Guide
-. Audio Part DHC-X200/X250
SOUND Abnormal
OPEN/CLOSE Abnormal
Check if the RY801 is OK.
No
Check if the FRONT CONTROL is OK.
No
Yes
Refer to F_RLY_CONTROL. Yes
Check if the PN402 is OK.
No
Refer to FRONT PCB. Check if the IC801 PIN(2)(4) waveform is OK. Yes No
Check if the IC801 PIN(1)(3) is OK. Yes Yes
No
Check if the CN706 is OK.
No
Check PN101E if is normally. No
Yes OK Check DSP PCB. Refer to POWER SUPPLY circuit. Yes
Check POWER SUPPLY circuit. Check if the ATAPI Cable if is normally.
Reconnect it.
No
Reconnect it. Yes
VIDEO OUT Abnormal
Check PN303 if is normally.
No
Reconnect it. Check if the VIDEO JACK is OK. Yes No
Refer to VIDEO JACK. Yes
Check if the PN303 PIN(3)(5) level is OK.
No
Check if the IC451 is OK.
No
Check if the PN303 PINS(1)(2) level is OK.(0V,5V)
No
Check if the IC451 PIN(7) is OK.
No
Yes
Yes
Replace DECK MECHA DVD. Refer to POWER SUPPLY circuit. Check if the IC102 PIN(14)(180) is OK.(MT1388)
Yes Yes Check if the IC451 PIN(2)(3) is OK.
No
No
Check if the PN101A PIN(3) to (18) waveform is OK.
No
Yes
Yes
Yes
Refer to DRIVER circuit of TROPEN and PWMOUT1.
Check MPEG PCB.
OK
Check FRONT PCB.
Replace DECK MECHA DVD.
Replace MPEG PCB.
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