Panasonic SC-HC15EB / SC-HC15EG / SC-HC15EP Service Manual ▷ View online
17
6.3.
Doctor Mode Table
Here is the procedures to enter into Doctor Mode.
Step 1 : Turn on the unit.
Step 2 : Select CD mode.
Step 3 : Pressing and hold [Q] on main unit then press [4] follow by [7] using the remote control.
Step 4 : The display show as follow.
Step 1 : Turn on the unit.
Step 2 : Select CD mode.
Step 3 : Pressing and hold [Q] on main unit then press [4] follow by [7] using the remote control.
Step 4 : The display show as follow.
To exit the Doctor mode
Use either one of the following methods to cancel the Doctor mode.
• Press the power button of the unit or using the remote control.
• Unplug the AC cord.
• Unplug the AC cord.
6.3.1.
Doctor Mode Table 1
Item
FL Display
Key Operation
Mode Name
Description
Front Key
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)
Checksum : (Condition 2)
Checksum : (Condition 3)
(Display 2)
The Checksum of EEPROM and firmware
version will be display for 2 sec.
version will be display for 2 sec.
In any mode:
Press
Press
[ ]
button on main unit follow by
[4] & then [7] on remote control.
To exit Doctor Mode, press
[
TA
]
button
on main unit or remote control.
Version Display
(DEC)
(DEC)
Check sum
(HEX)
(HEX)
Version Display
(DEC)
(DEC)
No Rom correction
When EEPROM is not detected, it shall
display only firmware version
display only firmware version
When EEPROM is detected the version
of the EEPROM does not match or not
working properly [NG] is display.
of the EEPROM does not match or not
working properly [NG] is display.
When EEPROM is detected, it shall
display the [YYYY].
display the [YYYY].
18
6.3.2.
Doctor Mode Table 2
Item
FL Display
Key Operation
Mode Name
Description
Front Key
FL Display Test
To check the FL segments
display (All segments will
light up)
display (All segments will
light up)
In Doctor Mode:
Press [1] button on remote control.
Press [1] button on remote control.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
control. It returns Doctor Mode.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
control. It returns Doctor Mode.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
control. It returns Doctor Mode.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
control. It returns Doctor Mode.
To exit Doctor Mode, press
but-
ton on main unit or remote control.
Volume Setting
In Doctor Mode:
Press [7] button on remote control.
Press [7] button on remote control.
In Doctor Mode:
Press [8] button on remote control.
Press [8] button on remote control.
In Doctor Mode:
Press [9] button on remote control.
Press [9] button on remote control.
Mecha Sliding Panel
Reliability
Reliability
In Doctor Mode:
Press [
] follow by [2] & then [1]
button on remote control.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
control. It returns Doctor Mode.
To exit Doctor Mode, press
but-
ton on main unit or remote control.
CD Traverse Test
Mode
Mode
To check for the traverse unit
operation. In this mode, the
first & last track is access &
read. (TOC). It fails when
TOC is not completed by 10s
or the traverse is out of
focus. for more than 2s
operation. In this mode, the
first & last track is access &
read. (TOC). It fails when
TOC is not completed by 10s
or the traverse is out of
focus. for more than 2s
Refer to 6.3.6 for more
information
information
In Doctor Mode:
Press [
Press [
] follow by [1] &
then [2]
button on remote control.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
To exit Doctor Mode, press
but-
ton on main unit or remote control.
To exit Doctor Mode, press
but-
ton on main unit or remote control.
To exit Doctor Mode, press
but-
ton on main unit or remote control.
To exit Doctor Mode, press
but-
ton on main unit or remote control.
To check the operation of
sliding Panel.
Sequence as follow :
1. CD Door set to CLOSE
position.
2. CD Door move to the left
(CD Open direction) and
stop at LEFT position for 1
sec.
3. CD Door move to the
right (CD Close direction)
and stop at CLOSE position
for 1 sec.
4. All the process above is
considered as 1 cycle. Step
(2) ~ (3) will repeat; Cycle
Counter display increase
every 1 cycle completed.
Refer to 6.3.5 for more
information
sliding Panel.
Sequence as follow :
1. CD Door set to CLOSE
position.
2. CD Door move to the left
(CD Open direction) and
stop at LEFT position for 1
sec.
3. CD Door move to the
right (CD Close direction)
and stop at CLOSE position
for 1 sec.
4. All the process above is
considered as 1 cycle. Step
(2) ~ (3) will repeat; Cycle
Counter display increase
every 1 cycle completed.
Refer to 6.3.5 for more
information
To check for preset volume
setting
Note : In tuner mode this
function is not possible
setting
Note : In tuner mode this
function is not possible
The counter will increment by 1 until reach
99999999
19
6.3.3.
Doctor Mode Table 3
Version Display
(DEC)
(DEC)
Check sum
(HEX)
(HEX)
n
o
i
t
a
r
e
p
O
y
e
K
y
a
l
p
s
i
D
L
F
m
e
t
I
Mode Name
Description
Front Key
Cold Start
The [NO DISC] display will appear after 3s,
EEPROM not detected only firmware is display
To display result of self
adjustment for CD.
adjustment for CD.
The [NO DISC] display will appear after 3s,
In Doctor Mode:
Press [
Press [
] follow by [1] & then [4]
button on remote control.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
To exit Doctor Mode, press
but-
ton on main unit or remote control.
In Doctor Mode:
Press [
Press [
] follow by [1] & then [5]
button on remote control.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
To exit Doctor Mode, press
but-
ton on main unit or remote control.
In Doctor Mode:
Press [SLEEP] button on remote
control.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
Press [SLEEP] button on remote
control.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
To exit Doctor Mode, press
but-
ton on main unit or remote control.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
control. It returns Doctor Mode.
To exit Doctor Mode, press
but-
ton on main unit or remote control.
In Doctor Mode:
Press [
Press [
] follow by [2] & then [2]
button on remote control.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
To exit Doctor Mode, press
but-
ton on main unit or remote control.
CD Self-Adjusment
Display
Display
CD Combination Test
e
s
o
l
c
/
n
e
p
o
e
h
t
k
c
e
h
c
o
T
operation & inner outer disc
access operation.
1. It fails when CD
open/close is not completed
by 4s.
2. The disc access fails in
10s.
3. The traverse is out of
focus for more than 2s.
operation & inner outer disc
access operation.
1. It fails when CD
open/close is not completed
by 4s.
2. The disc access fails in
10s.
3. The traverse is out of
focus for more than 2s.
Refer to 6.3.7 for more
information
information
To activate cold start upon
next power up.
(Backup data are initialized)
next power up.
(Backup data are initialized)
EEPROM Checksum
To check sum of EEPROM
for a simplifield ROM
correction.
1. When EEPROM is not
detected, the only micro-p’s
version shall be displayed
without an EEPROM’s
check sum
for a simplifield ROM
correction.
1. When EEPROM is not
detected, the only micro-p’s
version shall be displayed
without an EEPROM’s
check sum
Auto Power down
Detect (APD) Test
Detect (APD) Test
To check for the auto power
down operation
down operation
Condition 1 (when APD is OK)
Condition 2 (when APD is abnormal operation)
In any mode:
Press
Press
[ ]
button on main unit follow by
[4] & then [7] on remote control.
20
6.3.4.
Doctor Mode Table 4
6.3.5.
Mecha Sliding Panel Reliability
n
o
i
t
a
r
e
p
O
y
e
K
y
a
l
p
s
i
D
L
F
m
e
t
I
Mode Name
Description
Front Key
In Doctor Mode:
Press [
Press [
] follow by [1] & then [6]
button on remote control.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
To exit Doctor Mode, press
but-
ton on main unit or remote control.
In Doctor Mode:
Press [4] button on remote control.
Press [4] button on remote control.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
control. It returns Doctor Mode.
To exit Doctor Mode, press
but-
ton on main unit or remote control.
Region Setting Check
To check Region setting of
unit.
unit.
Refer to 6.3.8 for the
Region
Setting destination
Region Setting destination
CD LSI Version No
Check
Check
To check CD LSI Version
No. & checksum correction
No. & checksum correction
MN947 Model setting
To check Model Setting.
Refer to 6.3.9 for the Model
Setting
Setting
Version (decimal)
Checksum (hex)
In Doctor Mode:
Press [
Press [
] follow by [1] & then [8]
button on remote control.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
To cancel, press [0] button on remote
control. It returns Doctor Mode.
To exit Doctor Mode, press
but-
ton on main unit or remote control.
Model Setting
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