Panasonic DMR-PWT550GL, Service Manual

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7.1.3. Service Modes at a glance
Information necessary for service can be displayed.
Service mode setting:
1. Turn the power off.
2. Press the [5] [9] and [R] button simultaneously for five seconds, then [70 RET] is displayed on FL.
3. Press the
[ ] button to select until [80 SRV] is displayed on FL.
4. Press the [OK] button.
5. It is displayed on FL as [HELLO-->SERV].: It is shown to have entered the service mode.
6. The command is transmitted by attached remote control.
Method of making clear service mode: Press the power button (power off).
The display of information to each command is as follows.
NOTE:
Do not use it excluding the designated command.
Item
FL Display
Key Operation
Mode Name Description (Remote controller key)
Release Items Item of Service Mode executing is cancelled. Press [0] [0] in service mode.
Error Code Display Last Error Code of U/H/F held by Timer is
displayed on FL.
*Details are described in
“
7.1.1. Self-Diagnosis Functions ”.
If any error history does not exist,
[F00] is displayed.
Press [0] [1] in service mode
ROM Version Display The display contents are switched over every
5 seconds.
1. Region code
2. Main firm version
3. Timer firm version
4. Drive firm version
5. ROM correction version
6. BOO2 version
7. BOO3 version
8. CDDB version
9. Voice version Press [0] [2] in service mode