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17
7.2.
Service Mode Table
Below is the various special modes for checking:-
7.2.1.
Service Mode Table 1
Item
FL Display
Key Operation
Mode Name
Description
Front Key
Self -Diagnostic Mode To enter into self diagnostic
checking for main unit.
1. Select [
] for CD mode
(Ensure no CD inserted).
2. Press and hold [
]button
for 2 seconds follow by
[
[
].
To exit Doctor Mode, press
button
on main unit or remote control.
Doctor Mode
To enter into Doctor Mode
for checking of various
items and displaying
EEPROM and firmware ver-
sion.
for checking of various
items and displaying
EEPROM and firmware ver-
sion.
Note: The micro-processor
version as shown is an
example. It will be revise
when there is an updates.
version as shown is an
example. It will be revise
when there is an updates.
FL Display sequence Dis-
play 1
play 1
→ 2
(Display 1)
Checksum : (Condition 1)
(a) If there is NO EEPROM header string
OR
(b) If there is no EEPROM ( no data is
received by micro-processor) [NO] is dis-
played.
OR
(b) If there is no EEPROM ( no data is
received by micro-processor) [NO] is dis-
played.
Checksum : (Condition 2)
If the version of the EEPROM does not
match or not working properly [NG] is dis-
play.
match or not working properly [NG] is dis-
play.
Checksum : (Condition 3)
If the EEPROM version matches, checksum
[YYYY] is displayed.
[YYYY] is displayed.
(Display 2)
The Checksum of EEPROM and firmware
version will be display for 2 sec.
version will be display for 2 sec.
In CD mode:
1. Press [
] button on main
unit follow by [4] and [7] on
remote control.
remote control.
To exit Doctor Mode, press
but-
ton on main unit or remote control.
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