Sony RDR-GXD310, Service Manual

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6-1
RDR-GXD310/HXD710/HXD910
SECTION 6
SERVICE MODE
This is the diagnostics to define the faulty position.
The diagnostics can be executed using the remote commander (Remote Control Mode 3) and monitor.
To execute the service mode, connect the VIDEO OUT (L2 OUT) connector to the monitor.
Connect the AC power cord to the power outlet.
A message, “WELCOME” appears on the display panel of the main unit.
Keep holding down the “REC PAUSE”, “REC STOP” and “REC” keys, of the main unit (about 10 seconds) until the screen appears on the
monitor display.
Either “OK” or “NG” appears on the monitor screen while the diagnostics is in progress.
You can judge the respective device or its peripheral from the message of either “OK” or “NG” on the monitor screen.
When an abnormality is detected, the diagnostics is stopped at that moment and you can select to proceed the diagnostics or to stop it.
Use the keys on the front panel of the main unit to operate the diagnostics.
6-1. Checking Item
When NG is displayed as the result of the DEVICE TEST, the IC or
its peripheral is defective. When NG is displayed on the PATH TEST,
defect exists in between ICs.
All parts are mounted on the RD-058 assembly board.
Checking item IC name REF
GRIPS2 IC CXD9830Q IC501
NAZCA IC CXD4705GB IC802
CARIB IC CXD4702GB IC601
VIDEO DEC IC CXD 3805R IC1204
EEPROM IC CAT24WC32W IC101
NAND FLASH IC K9F2808U0C IC402
DV IC UPD72893BFI IC1601
Note: Do not execute 4) NAND Factory Setup in the 3)TEST MODE menu.
(This item is dedicated for Factory use.)
Otherwise, the memory data is deleted and the setting cannot be
recovered.
Checking item IC name REF
EMMA2L IC UPD61120AF1-100- IC100
JN1-A
This part is mounted on the A-004 assembly board.