Panasonic SC-HC35EG / SC-HC35EF / SC-HC35EP Service Manual ▷ View online
17
6 Self Diagnostic and Doctor Mode Setting
This unit is equipped with features of self diagnostic & doctor mode setting for checking the functions & reliability.
6.1.
Self Diagnostic Mode
Here is the procedures to enter into Self Diagnostic Mode.
Step 1 : Turn on the unit.
Step 2 : Select CD mode.
Step 1 : Turn on the unit.
Step 2 : Select CD mode.
Step 3 : Press and hold [Q] button for 2 seconds follow by [
] on the unit.
Step 4 : The display show as follow.
To exit the Self Diagnostic Mode
Use either one of the following methods to cancel the Self Diagnostic Mode.
• Press the power button on the main unit or using the remote control.
• Unplug the AC cord.
• Unplug the AC cord.
6.1.1.
Self Diagnostic Table
Self Diagnostic Mode
To enter into self diagnostic
checking
checking
Item
FL display
Key operation
Mode name
Description
Error code information
Delete Error code
Example:
System will perform a check on
any unusual/error code from the
memory
any unusual/error code from the
memory
To clear the stored in memory
(EEPROM IC)
(EEPROM IC)
Step 1 : Select CD mode
(Ensure no disc is inserted).
Step 2 : Press and hold [ ] follow by
[ ] on main unit for 2
second
.
Step 1 : In self diagnostic mode,
Press [STOP] on main unit.
To exit, press [
TA
] on main
unit or remote control.
Step 1 : In self diagnostic mode,
Press [0] on remote control.
To exit, press [
TA
] on main
unit or remote control.
18
6.2.
Self Diagnostic Function Error Code
6.2.1.
CD Mechanism Error Code Table
6.2.2.
Power Amp Error Code Table
6.2.3.
iPod Error Code Table
Error Code
Diagnostic Contents
Description of error
Automatic FL Display
Remarks
CD H15
CD Open Abnormal
During operation
POS_SW_R On fail to be
detected with 4 sec. Error
No. shall be clear by force
or during cold start.
POS_SW_R On fail to be
detected with 4 sec. Error
No. shall be clear by force
or during cold start.
Press [ ] on main unit for
next error.
next error.
CD H16
CD Closing Abnormal
During operation
POS_SW_CEN On fail to
be detected with 4 sec.
Error No. shall be clear by
force or during cold start.
POS_SW_CEN On fail to
be detected with 4 sec.
Error No. shall be clear by
force or during cold start.
Press [ ] on main unit for
next error.
next error.
F26
Communication between
CD servo LSI and micro-p
abnormal.
CD servo LSI and micro-p
abnormal.
During switch to CD func-
tion, if SENSE = “L” within
failsafe time of 20ms.
tion, if SENSE = “L” within
failsafe time of 20ms.
Press [ ] on main unit for
next error.
next error.
Error Code
Diagnostic Contents
Description of error
Automatic FL Display
Remarks
F61/F76
Power Amp IC output
abnormal
abnormal
During power-on, PDET1,
PDET2 & MAINV_DET /
TEMP_DET is “L” after 1
sec.
PDET2 & MAINV_DET /
TEMP_DET is “L” after 1
sec.
Press [ ] on main unit for
next error.
next error.
Error Code
Diagnostic Contents
Description of error
Automatic FL Display
Remarks
IPD H15
iPod Open Abnormal
During operation
POS_SW_L On fail to be
detected with 3 sec. Error
No. shall be clear by force
or during cold start.
POS_SW_L On fail to be
detected with 3 sec. Error
No. shall be clear by force
or during cold start.
Press [ ] on main unit for
next error.
next error.
IPD H16
iPod Closing Abnormal
During operation
POS_SW_CEN On fail to
be detected with 3 sec.
Error No. shall be clear by
force or during cold start.
POS_SW_CEN On fail to
be detected with 3 sec.
Error No. shall be clear by
force or during cold start.
Press [ ] on main unit for
next error.
next error.
19
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].
20
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
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
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
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