Panasonic DMR-EH57EC Service Manual page 27

Mode name
P50(H) Output Timer Microprocessor IC7501-76 output High
signal for AV1-pin 10 passing through inverter
(approx. 0V DC at AV1-pin 10).
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).
Tray OPEN/CLOSE Test The tray is opened and closed repeatedly.
Error code initialization Initialization of the last error code held by
timer (Write in F00)
Initialize Service Last Drive Error, Error history and Error
Codes stored on the unit are initialized to
factory setting.
Finishing service mode Release Service Mode.
Item
Description
DMR-EH57EC / DMR-EH57EP / DMR-EH57EE / DMR-EH575EG
FL display
When OK.
When NG.
When OK.
When NG.
"*" is number of open/close cycle
times.
Display in STOP (E-E) mode.
27
Key operation
(Remote controller key)
Press [8] [4] in service mode.
Press [8] [5] in service mode.
Press [9] [1] in service mode
*When releasing this mode, press
the [POWER] button of Remote
Controller more than 10 seconds.
Press [9] [8] in service mode.
Press [9] [9] in service mode.
Press power button on the front
panel or Remote controller
service mode.
in