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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.
CHAPTER 4. SRV. RESET AND MASTER RESET
The SRV key is used for operating in the SRV mode. must be entered by hand. This reset is used if an application needs different keyboard layout other than that supplied by a normal MRS-1.
1. SRV. reset (Program Loop Reset)
Used to return the machine back to its operational state after a lockup has occurred.
Procedure
1) Turn off the AC switch. 2) Set the MODE switch to the (SRV�) position. 3) Turn on the AC switch. 4) While holding down JOURNAL FEED key and RECEIPT FEED key, turn to (SRV) position from (SRV�) position. 5) Key position assignment: After the execution of MRS-2, only the RECEIPT FEED and JOURNAL FEED keys can remain effective on key assignment. Any key can be assigned on any key position on the main keyboard. [key setup procedure]
*2 Free key
Procedure
� Method 1
1) Turn off the AC switch. 2) Set the mode switch to (SRV�) position. 3) Turn on the AC switch. 4) Turn to (SRV) position from (SRV�) position.
� Method 2
1) Set the mode switch to PGM2 position. 2) Turn off the AC switch. 3) While holding down JOURNAL FEED key and RECEIPT FEED key, turn on the AC switch. Note: When disassembling and reassembling always power up using method 1 only. Method 2 will not reset the CKDC9. Note: SRV programming job#926-B must be set to "4" to allow PGM program loop reset.
MRS-2 executed
0
Key position set
0
*1
Free key setup complete.
Disable
MASTER PRESET
NOTES: *1: When the 0 key is pressed, the key of the key number on display is disabled. *2: Push the key on the position to be assigned. With this, the key of the key number on display is assigned to that key position. *3: When relocating the keyboard, the PGM 1/2 mode use standard key layout. Key No. 001 002 003 004 005 Key name Key No. 011 012 013 014 015 016 017 018 019 020 Key name Key No. 021 022 023 Key name
PRG. RESET
2. Master reset (All memory clear)
There are two possible methods to perform a master reset.
006 007 008 009 010
� MRS-1
Used to clear all memory contents and return machine back to its initial settings. Return keyboard back to default. for default key-board layout.
Procedure
1) Turn off the AC switch. 2) Set the MODE switch to the (SRV�) position. 3) Turn on the AC switch. 4) While holding down JOURNAL FEED key, turn to (SRV) position from (SRV�) position.
� MRS-2
Used to clear all memory and keyboard contents. This reset returns all programming back to defaults. The keyboard
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