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complete wiring diagram, without the part list. high quality copy. thanks for promptly.
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Well done scan of a useful manual. It will be useful in my workbench!!
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Excelent scan job. It's a fully detailed service manual of this model.
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Do a quick order, scan quality is high.
I recommend to all!
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This manual is perfect! Just what I needed. Thanks!
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2. When a secondhand DIGITAL Assy that had been mounted in another product is to be reused
As adjustment data for another product are already stored in the secondhand DIGITAL Assy, first delete those data then copy the backup data stored in the EEPROM on the SENSOR Assy. (1) Copying, using the Factory menu 1 Plug in the AC cord, press the Power switch on the unit to set it to ON, then enter Standby mode. 2 Turn on the power, using the remote control unit, then enter Panel Factory mode. Copy the backup data, as shown in the figure below. PANEL INFORMATION Key Down 7th ETC. (+) SET BACKUP DATA : NO OPRT Key Down DIGITAL EEPROM : NO OPRT Right DIGITAL EEPROM : DELETE SET (5 sec) Key Up BACKUP DATA : NO OPRT Right BACKUP DATA : TRANSFER SET (5 sec) 3 Turn the power off. Note: If the secondhand DIGITAL Assy is mounted in the product then the unit is turned on then back off again, the data in the EEPROM on the DIGITAL Assy are copied over the EEPROM in the SENSOR Assy. Thus the backup data can never be restored. During the first power-on after the DIGITAL Assy is replaced, be sure to enter Factory mode to copy the backup data. Or, before removing the secondhand DIGITAL Assy from the original product, delete the adjustment data on it, using the Factory mode (DIGITAL EEPROM: DELETE), mount it to the product to be repaired, then copy the data from the backup EEPROM.
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(2) Copying, using the RS-232C commands 1 Switch the RS-232C/SR+ setting to RS-232C so that RS-232C commands can be received. 2 Turn on the unit, using the remote control unit or by issuing the PON command. Then issue the FAY command. 3 Issue the UAJ command to delete data stored in the EEPROM on the DIGITAL Assy. 4 Issue the BCP command to transfer the data stored in the EEPROM for backup. 5 Turn the power off.
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PDP-4271HD
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