Panasonic SA-VK870GC / SA-VK870GCS / SA-VK870GS Service Manual ▷ View online
8.2.5. Service Mode Table 5
Timer 1 check
Cancelled automatically
5 seconds later.
5 seconds later.
DVD laser usage time
(Display 1)
(Display 2)
CD laser usage time
Cancelled automatically
5 seconds later
5 seconds later
Cancelled automatically
5 seconds later.
5 seconds later.
Cancelled automatically
5 seconds later.
5 seconds later.
Timer 1 reset
Timer 2 check
Timer 2 reset
In STOP (no disc)
mode, press [STOP]
button on the main unit,
and [ ] button on the
remote control unit.
mode, press [STOP]
button on the main unit,
and [ ] button on the
remote control unit.
While displaying Timer 1
data, press [STOP] button
on the main unit, and [ ]
button on the remote
control unit.
data, press [STOP] button
on the main unit, and [ ]
button on the remote
control unit.
In STOP (no disc)
mode, press [STOP]
button on the main unit,
and [ ] button on the
remote control unit.
mode, press [STOP]
button on the main unit,
and [ ] button on the
remote control unit.
While displaying Timer 2
data, press [STOP] button
on the main unit, and [ ]
button on the remote
control unit.
data, press [STOP] button
on the main unit, and [ ]
button on the remote
control unit.
Timer 1 check
Laser operation timer is measured
separately for DVD laser and CD laser.
Laser operation timer is measured
separately for DVD laser and CD laser.
FL Display sequence:
Display 1 2.
Display 1 2.
Press [FL Display] button for
next page of FL Display.
next page of FL Display.
Timer 1 reset
Laser operation timer of both DVD
laser and CD laser is reset all at once.
Laser operation timer of both DVD
laser and CD laser is reset all at once.
Timer 2 check
Spindle motor operation timer
Spindle motor operation timer
Timer 2 reset
Spindle motor operation timer
Spindle motor operation timer
Time is shown in 5 digits of decimal notation in
a unit of 1 hour.
"00000" will follow "99999".
a unit of 1 hour.
"00000" will follow "99999".
Shown to the above is DVD laser usage
time, and to the below is CD laser usage
time.
Time is shown in 4 digits of decimal notation
in a unit of 10 hours.
"0000" will follow "9999". (DVD laser)
time, and to the below is CD laser usage
time.
Time is shown in 4 digits of decimal notation
in a unit of 10 hours.
"0000" will follow "9999". (DVD laser)
Time is shown in 4 digits of decimal notation
in a unit of 10 hours.
"0000" will follow "9999". (CD laser)
in a unit of 10 hours.
"0000" will follow "9999". (CD laser)
Time is shown in 4 digits of decimal notation
in a unit of 10 hours.
It will clear to "0000" upon reset.
in a unit of 10 hours.
It will clear to "0000" upon reset.
Time is shown in 5 digits of decimal notation in
a unit of 1 hour.
It will be cleared to "00000" upon activating
this.
a unit of 1 hour.
It will be cleared to "00000" upon activating
this.
FL Display
Key Operation
Front Key
Item
Description
Mode Name
29
SA-VK870GC / SA-VK870GCS / SA-VK870GS
8.2.6. Optical Pick-up Self-Diagnosis
The optical pickup self-diagnosis function and tilt adjustment check function have been included in this unit. When repairing, use
the following procedure for effective self-diagnosis and tilt adjustment. Be sure to use the self-diagnosis function before replacing
the optical pickup when “NO DISC” is displayed. As a guideline, you should replace the optical pickup when the value of the laser
drive current is more than the specified value.
the following procedure for effective self-diagnosis and tilt adjustment. Be sure to use the self-diagnosis function before replacing
the optical pickup when “NO DISC” is displayed. As a guideline, you should replace the optical pickup when the value of the laser
drive current is more than the specified value.
Note:
Press the power button to turn on the power, and check the value within three minutes before the unit warms up. (Otherwise,
the result will be incorrect.)
the result will be incorrect.)
"NO DISC" is displayed, unit
does not play smoothly, etc.
does not play smoothly, etc.
Check the laser drive current.
Replace the traverse unit.
(Refer to the section "OPTICAL
PICKUP REPLACEMENT
PROCEDURE" in this Guide.)
(Refer to the section "OPTICAL
PICKUP REPLACEMENT
PROCEDURE" in this Guide.)
Initialize the main unit.
Value is more than
37 (DVD), 41 (CD).
37 (DVD), 41 (CD).
Replace with a new optical pickup if the present
value is more than 37 (DVD), 41 (CD).
Cause: Damage due to static electricity
value is more than 37 (DVD), 41 (CD).
Cause: Damage due to static electricity
during replacement.
Use the optical pickup self-diagnosis function.
Method: With no disc in the main unit:
• Press the "FUNCTIONS" button on the remote
• Press the "FUNCTIONS" button on the remote
control unit while pressing the "STOP"
button on the main unit. (DVD)
button on the main unit. (DVD)
• Press the "3" button on the remote
control unit while pressing the "STOP"
button on the main unit. (CD)
[Display content (display1/display2)]
LDD
(DVD)
LDC
(CD)
Factory setting
Present value
Factory setting
Present value
/
/
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SA-VK870GC / SA-VK870GCS / SA-VK870GS
8.3. Service Mode Table (For CR14)
8.3.1. Service Mode Table 1
In self-diagnostic mode, press [1]
button on main unit.
button on main unit.
To exit, power off the main unit
Press [EXCHANGE] on main unit
for error code.
for error code.
FL Display
Key Operation
Front Key
Item
Description
Mode Name
In DVD/CD mode (ensure no disc is
inserted):
Press and hold [STOP] button for five
seconds, followed by [ /FF/ ]
button on the main unit.
inserted):
Press and hold [STOP] button for five
seconds, followed by [ /FF/ ]
button on the main unit.
To exit, press [ , AC IN] button on
main unit or remote control unit.
main unit or remote control unit.
To enter into self-diagnostic checking
for CR14 mechanism.
for CR14 mechanism.
Self-Diagnostic
Mode
Mode
To unlock the mechanism unit for
service.
service.
In this mode, the disassembly of CR14
can be carry out. (Refer to original
service manual for CR14)
can be carry out. (Refer to original
service manual for CR14)
1. All trays are set to "STOCK" position.
2. Mechanism set to tray 1.
3. Cam gear set to "HOME" position.
2. Mechanism set to tray 1.
3. Cam gear set to "HOME" position.
Service Mode 1
In self-diagnostic mode, press [2]
button on main unit.
button on main unit.
To exit, power off the main unit
Press [EXCHANGE] on main unit
for error code.
for error code.
To unlock the traverse unit for service.
In this mode, traverse unit can be
disassembled. (Refer to original
service manual for CR14)
disassembled. (Refer to original
service manual for CR14)
1. Tray 5 set to "Play" position.
2. Mechanism set to tray 5.
3. Cam gear set to "HOME" position.
2. Mechanism set to tray 5.
3. Cam gear set to "HOME" position.
Service Mode 2
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(Refer to section 8.6.1. for information)
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SA-VK870GC / SA-VK870GCS / SA-VK870GS
8.3.2. Service Mode Table 2
FL Display
Key Operation
Front Key
Item
Description
Mode Name
The counter will
increment by one.
When reach 99999
will change to 00000
increment by one.
When reach 99999
will change to 00000
In this mode, the trays are loaded &
unloaded.
unloaded.
In self-diagnostic mode, press [1]
button on remote control.
button on remote control.
To exit, press [ ] button on the
main unit or remote control unit.
main unit or remote control unit.
Reliability
1
(Load cycle Test)
To determine open/close operation of the
mechanism (all trays).
mechanism (all trays).
In self-diagnostic mode, press [2]
button on remote control.
button on remote control.
To exit, press [ ] button on the
main unit or remote control unit.
main unit or remote control unit.
Reliability
2
(Traverse Cycle
Test)
To determine playability operation.
In self-diagnostic mode, press [3]
button on remote control.
button on remote control.
To exit, press [ ] button on the
main unit or remote control unit.
main unit or remote control unit.
Reliability
3
(Combi Cycle
Test)
The combine test for both load &
traverse cycle test.
traverse cycle test.
/l
/l
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Display 1
Display 2
The counter will
increment by one.
When reach 99999
will change to 00000
increment by one.
When reach 99999
will change to 00000
Display 1
Display 2
The counter will
increment by one.
When reach 99999
will change to 00000
increment by one.
When reach 99999
will change to 00000
Display 1
Display 2
32
SA-VK870GC / SA-VK870GCS / SA-VK870GS
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