Panasonic SV-SD350VGC, Service Manual

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6.12. SERVICE 13
Device Check
[ Content ]
Checks for malfunctions at the main PCB's IC4 and IC8, and
peripheral circuitry.
[ Operating procedure ]
1. Select [ SERVICE 13 ] on the service mode menu and
then press the [PLAY/STOP] button, then displayed the
device check screen.
2. The check results automatically then display approxi-
mately 5 seconds later.
3. Open the battery cover to complete the procedure.
When the error occurs:
If an error is found, the check operation is stopped, and NG
is displayed in the error device.
Open the battery cover to complete the procedure.
6.13. MODEL
Model and Region Setting
[ Content ]
Model and region information are rewitten, and it makes it to
the default corresponding to them.
NOTE:
1. When replacement the IC or electric part, should be per-
formed this mode.
Initialization and writing data are done by performed this
mode.
2. This mode is not used by a usual confirming the opera-
tion, and uses it when abnormality is found in the model
and region display by [SERVICE 4] and wrong operation
on service mode.
[ Operating procedure ]
1. Select [ MODEL ] on the service mode menu and then
press the [PLAY/STOP] button, then displayed the model
and region setting screen.
2. Select the region using [ + ] or [ - ] button, and then press
the [PLAY/STOP] button.
3. After completing the setting, automatically power off.
NOTE:
After this mode is performed, confirm that the region is
correctly setting by [ SERVICE 4 ].
Display
Content
Symptom/Condition Cause & Countermeasure
SRAM : NG Possible cause: Main PCB
IC4 malfunction.
Check the main PCB IC4
and peripheral circuitry.
SRAM2 : NG Possible cause: Main PCB
IC8 malfunction.
Check the main PCB IC8
and peripheral circuitry.
ASIC : NG
A-CORE : NG