Item
FL display
Key operation
Mode name
Description
(Remote controller key)
SD card WRITE check
Check SD card WRITE function with SD
slot.
When the WRITE check is OK.
When the WRITE check is NG.
*Note:
The image stored in the SD
card will be erased.
Insert a SC card to SD card slot,
and press [7] [4] in service mode.
* Insert SD card while the power is
off.
* Check for [CARD SD] display on
the FL display and go on the
procedure.
AV4(V)/AV1(RGB) I/O
Setting
Set input to AV4 (V) and set output to AV1
(RGB) for I/O checking
Press [8] [0] in service mode.
AV2(Y/C)/AV1(V) I/O
Setting
Set input to AV2 (Y/C) and set output to
AV1 (V) for I/O checking
Press [8] [1] in service mode.
AV2(V)/AV1(Y/C) I/O
Setting
Set input to AV2 (V) and set output to AV1
(Y/C) for I/O checking
Press [8] [2] in service mode.
AV2(RGB)/AV1(V) I/O
Setting
Set input to AV2 (RGB) and set output to
AV1 (V) for I/O checking
Press [8] [3] in service mode.
P50(H) Output
Timer Microprocessor IC7501-76 output
High signal for AV1-pin 10 passing through
inverter (approx. 0V DC at AV1-pin 10).
When OK.
When NG.
Press [8] [4] in service mode.
P50(L) Output
Timer Microprocessor IC7501-76 output Low
signal for AV1-pin 10 passing through
inverter (approx. 4.4V DC at AV1-pin 10).
When OK.
When NG.
Press [8] [5] in service mode.
Tray OPEN/CLOSE Test The RAM drive tray is opened and closed
repeatedly.
“*” is number of open/close cycle
times.
Press [9] [1] in service mode
*When releasing this mode, press
the [POWER] button of Remote
Controller more than 10 seconds.
Error code initialization
Initialization of the last error code held by
timer (Write in F00)
Press [9] [8] in service mode.
Initialize Service
Last Drive Error, Error history and Error
Codes stored on the unit are initialized to
factory setting.
Press [9] [9] in service mode.
Finishing service mode
Release Service Mode.
Display in STOP (E-E) mode.
Press power button on the front
panel or Remote controller in
service mode.
27
DMR-EX75EG / DMR-EX75EC / DMR-EX75EB / DMR-EX85EG / DMR-EX85EB
