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Great PDF easy to read good info needed for replacment of belts and assembly and specs.
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complete and unabridged very good quality
easy to download.
recieved in two days.
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Awesome manual. Complete diagrams of all board assemblies as well as how to get to each part of the t.v. down to the individual screws and their locations. Get it.
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perfect copy, im very satisfied, i was need the diagram over the powersupply and
the copy was very sharp
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This is exactly the service manual I needed.
Complete with all schematics, partslists, PCB layouts and alignment instructions.
This manual covers both the T-4970 en T-488F Onkyo tuner.
DCR-TRV820/TRV820E/TRV820P
SECTION 5 ADJUSTMENTS
1. Before starting adjustment EVR Data Re-writing Procedure When Replacing Board
The data that is stored in the repair board, is not necessarily correct. Perform either procedure 1 or procedure 2 or procedure 3 when replacing board.
Procedure 1
Save the EVR data of the machine in which a board is going to be replaced. Download the saved data after a board is replaced.
(Machine before starting repair) PC PC (Machine after a board is replaced)
Save the EVR data to a personal computer.
Download the saved data to a machine.
Procedure 2
Remove the EEPROM from the board of the machine that is going to be repaired. Install the removed EEPROM to the replaced board.
Remove the EEPROM and install it.
(Former board)
(New board)
Procedure 3
When the data cannot be saved due to defective EEPROM, or when the EEPROM cannot be removed or installed, save the data from the same model of the same destination, and download it.
(Machine to be repaired) PC (Machine to be repaired)
Download the data. Save the data.
(The same model of the same destination)
After the EVR data is saved and downloaded, check the respective items of the EVR data. (Refer to page 5-3 for the items to be checked)
5-1
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