Service Mode; Checking Item - Sony RMT-D217P Service Manual

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 IC CXD9830Q
NAZCA IC CXD4705GB
CARIB IC CXD4702GB
VIDEO DEC IC CXD 3805R
EEPROM IC CAT24WC32W
NAND FLASH IC K9F2808U0C
All parts are mounted on the RD-053 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.
SECTION 6

SERVICE MODE

IC name REF
IC501
IC802
IC601
IC1204
IC101
IC402
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.
6-1
RDR-HX510