Service Mode; Checking Item - Sony RDR-GX310 Service Manual

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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

Checking item
GRIPS2
NAZCA
CARIB
VIDEO DEC
EEPROM
NAND FLASH
DV
All parts are mounted on the RD-051 assembly board.
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.
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IC name
IC CXD9830Q
IC CXD4705GB
IC CXD4702GB
IC CXD 3805R
IC CAT24WC32W
IC K9F2808U0C
IC UPD72893BFI
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SECTION 6

SERVICE MODE

8
When NG is displayed as the result of the DEVICE TEST, the IC or
REF
its peripheral is defective. When NG is displayed on the PATH TEST,
IC501
defect exists in between ICs.
IC802
IC601
IC1204
IC101
IC402
IC1601
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6-1
RDR-GX310/HX710/HX910
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
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9 9
2 8 9 9