Panasonic SC-HC17EB / SC-HC17EC / SC-HC17EE / SC-HC17EG Service Manual ▷ View online
17
8.2.
Self Diagnostic Function Error Code
8.2.1.
CD Mechanism Error Code Table
8.2.2.
Power Amp Error Code Table
of error
Automatic FL Display
Remarks
CD H15
CD Open Abnormal
During operation
POS_SW_R On fail to be
detected within 4 sec. Error
No. shall be clear by force
or during cold start.
POS_SW_R On fail to be
detected within 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 within 4 sec.
Error No. shall be clear by
force or during cold start.
POS_SW_CEN On fail to
be detected within 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
of error
Automatic FL Display
Remarks
F61/F76
Power Amp IC output
SMPS NG
Checking SMPS Type
Refer to 8.3.10 for more
information
information
SMPS type and REGION
not match.
The unit will shut down.
not match.
The unit will shut down.
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.
Press [ ] on main unit for
next error.
next error.
Error Code
Diagnostic Contents
Description of error
18
8.3.
Doctor Mode Table
Note : To enter the Doctor Mode, please use HC25 remote control.
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.
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.
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.
8.3.1.
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)
(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 the remote control of
HC25.
HC25.
To exit Doctor Mode, press
[
TA
]
button
on main unit or on the remote control of
HC25.
HC25.
Version Display
(DEC)
(DEC)
Check sum
(HEX)
(HEX)
No Rom correction
19
8.3.2.
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 the remote control of
HC25.
Press [1] button on the remote control of
HC25.
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 on the remote control
of HC25.
of HC25.
Volume Setting
In Doctor Mode:
Press [7] button on the remote control of
HC25.
Press [7] button on the remote control of
HC25.
In Doctor Mode:
Press [8] button on the remote control of
HC25.
Press [8] button on the remote control of
HC25.
In Doctor Mode:
Press [9] button on the remote control of
HC25.
Press [9] button on the remote control of
HC25.
Mecha Sliding Panel
Reliability
Reliability
In Doctor Mode:
Press [
] follow by [2] & then [1]
button on the remote control of HC25.
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 on the remote control
of HC25.
of HC25.
To exit Doctor Mode, press
but-
ton on main unit or on the remote control
of HC25.
of HC25.
To exit Doctor Mode, press
but-
ton on main unit or on the remote control
of HC25.
of HC25.
To exit Doctor Mode, press
but-
ton on main unit or on the remote control
of HC25.
of HC25.
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 8.3.5 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 8.3.5 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
20
8.3.3.
Doctor Mode Table 3
Item
FL Display
Key Operation
Mode Name
Description
Front Key
Cold Start
The [NO DISC] display will appear after 2s,
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 the remote control of HC25.
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 on the remote control
of HC25.
of HC25.
In Doctor Mode:
Press [
Press [
] follow by [1] & then [5]
button on the remote control of HC25.
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 on the remote control
of HC25.
of HC25.
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 on the remote control
of HC25.
of HC25.
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 on the remote control
of HC25.
of HC25.
CD Self-Adjusment
Display
Display
CD Combination Test
To check the open/close
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 8.3.7 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
In any mode:
Press
Press
[ ]
button on main unit follow by
[4] & then [7] on the remote control of
HC25.
HC25.
EEPROM not detected only firmware is display
Version Display
(DEC)
(DEC)
Check sum
(HEX)
(HEX)
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 8.3.6 for more
information
information
In Doctor Mode:
Press [
Press [
] follow by [1] & then [2]
button on the remote control of HC25.
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 on the remote control
of HC25.
of HC25.
The counter will increment by 1 until reach
99999999
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