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Service Manual

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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of SONY DCRTRV420E Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English

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Text excerpt from page 137 (click to view)
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)


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