Panasonic SA-BT222EB, Service Manual

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7.4. Service Mode
To enter service mode: While the power is off, press & hold [VOL+] & [OPEN/CLOSE] button on main unit for 3 secs or more follow
by [PLAY] button on main unit.
7.4.1. Service Mode Table 1
Item FL display Key operation
Mode name Description (Remote controller key)
Release Items Item of Service Mode executing is cancelled. Press [0] [0] or [Return] in service
mode.
Error Code Display Last Error Code of U/H/F held by Timer is dis-
played on FL.
*Details are described in
7.1.1. Self-Diagno-
stic Functions.
If any error history dose not exist,
[F00] is displayed.
Press [0] [1] in service mode
ROM Version Display 1. Region code (displayed for 5 sec.)
2. Main firm version (displayed for 5 sec.)
3. Timer firm version (displayed for 5 sec.)
4. Drive firm version (displayed for 5 sec.)
5. ROM correction version (left displayed)
* are version displays.
Press [0] [2] in service mode
Drive check Simple quality of BD/DVD drive.
*If the date of the present or the
trouble occurred time is incorrect, it
may be not able to judge correctly.
Press [3] [8] in service mode.
SERV