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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.
[Reference] On Serial/Parallel Loopback Tool
� The serial loopback tool and the parallel loopback tool are necessary for diagnostics of the serial communication line and the parallel communication line. Fabricate the serial loopback tool and the parallel loopback tool locally referring to the connection diagrams shown below.
Serial Loopback Tool : For diagnostics of serial port
SERIAL LOOPBACK CONNECTOR CONNECTION DIAGRAM
� Connector Types DB9S (Female) � Interface Standard RS-232C � Loopback Data & Handshake
DB9S DCD RX TX DTR GND DSR RTS CTS RI
NOTE: The black round mark "z" indicates soldering.
1 2 3 4 5 6 7 8 9
Parallel Loopback Tool : For diagnostics of parallel port
PARALLEL LOOPBACK CONNECTOR CONNECTION DIAGRAM
� Connector Types DB25P(Male) � Interface Standard Centronics � Loopback Status to Commands
DB25P -STROBE D0 D1 D2 D3 D4 D5 D6 D7 -ACK BUSY PE SLCT
NOTE: The black round mark "z" indicates soldering.
1 2 3 4 5 6 7 8 9 10 11 12 13
14 15 16 17 18 19 20 21 22 23 24 25
-AUTO FD -ERROR -INT -SLCT IN GND GND GND GND GND GND GND GND
Confidential
PCGA-PRFX1 (UC) 2-2
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