Contents of this article
- How to enter to Service mode
- Led blinking codes
- Hotel mode
PANASONIC TX-LR32C21
Service Mode
How to enter into Service Mode
While pressing [VOLUME ( - )] button of the main unit, press [INFO] button of the remote control three times within 2 seconds.
How to enter into Service Mode
While pressing [VOLUME ( - )] button of the main unit, press [INFO] button of the remote control three times within 2 seconds.
How to exit
Switch off the power with the [POWER] button on the main unit or the [POWER] button on the remote control.
Switch off the power with the [POWER] button on the main unit or the [POWER] button on the remote control.
RV-TOOL
How to access
1. Select [SRV-TOOL] in Service Mode.
2. Press [OK] button on the remote control.
How to access
1. Select [SRV-TOOL] in Service Mode.
2. Press [OK] button on the remote control.
Display of SOS History
SOS History (Number of LED blinking ) indication.
From left side; Last SOS, before Last, three occurrence before, 2nd occurrence after shipment, 1st occurrence after shipment.
This indication except 2nd and 1st occurrence after shipment will be cleared by [Self-check indication and forced to factory shipment setting].
POWER ON TIME/COUNT
Note : To display TIME/COUNT menu, highlight position, then press MUTE for 3sec.
Time : Cumulative power on time, indicated hour : minute by decimal
Count : Number of ON times by decimal
Exit
1. Disconnect the AC cord from wall outlet.
SOS History (Number of LED blinking ) indication.
From left side; Last SOS, before Last, three occurrence before, 2nd occurrence after shipment, 1st occurrence after shipment.
This indication except 2nd and 1st occurrence after shipment will be cleared by [Self-check indication and forced to factory shipment setting].
POWER ON TIME/COUNT
Note : To display TIME/COUNT menu, highlight position, then press MUTE for 3sec.
Time : Cumulative power on time, indicated hour : minute by decimal
Count : Number of ON times by decimal
Exit
1. Disconnect the AC cord from wall outlet.
Service Mode Adjustment
1. Press the ‘RECALL’ button on the remote control and press ‘-’ vol button on the LCD panel.
2. Press button number 1 on the remote control to select for Adjustment.
3. Self Check to Exit.
Self Check Mode
1. Press the ‘MENU’ button (on the remote control) and the ‘DOWN’ button on the LCD panel.
2. Press ON/OFF button on the panel to Exit.
Hotel Mode Adjustment
1. Press the ‘VOLUME DOWN’ button on the TV panel and simultaneously press the AV button on the remote control 3 times to enter Hotel Mode.
2. Set Hotel mode ‘on’, then press ‘EXIT’ to come out.
1. Press the ‘RECALL’ button on the remote control and press ‘-’ vol button on the LCD panel.
2. Press button number 1 on the remote control to select for Adjustment.
3. Self Check to Exit.
Self Check Mode
1. Press the ‘MENU’ button (on the remote control) and the ‘DOWN’ button on the LCD panel.
2. Press ON/OFF button on the panel to Exit.
Hotel Mode Adjustment
1. Press the ‘VOLUME DOWN’ button on the TV panel and simultaneously press the AV button on the remote control 3 times to enter Hotel Mode.
2. Set Hotel mode ‘on’, then press ‘EXIT’ to come out.
Check of the IIC bus lines
How to access
Self-check indication only:
Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [OK] button on the remote control
for more than 3 seconds.
Self-check indication and forced to factory shipment setting:
Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [MENU] button on the remote control for more than 3 seconds.
Exit
Disconnect the AC cord from wall outlet.
Power LED Blinking
When an abnormality occurs, the protection circuit will operate and reset the unit to stand by mode. During this time, the defective block can be identified by the number of blinking times of the Power LED on the front panel of the unit as follow.
How to access
Self-check indication only:
Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [OK] button on the remote control
for more than 3 seconds.
Self-check indication and forced to factory shipment setting:
Produce TV reception screen, and while pressing [VOLUME ( - )] button on the main unit, press [MENU] button on the remote control for more than 3 seconds.
Exit
Disconnect the AC cord from wall outlet.
Power LED Blinking
When an abnormality occurs, the protection circuit will operate and reset the unit to stand by mode. During this time, the defective block can be identified by the number of blinking times of the Power LED on the front panel of the unit as follow.
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Blinking times
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Contents
|
BOARD
|
|
1
|
Inverter_SOS
|
P
BOARD
|
|
2
|
SUB
1.8V_SOS
|
A
BOARD
|
|
3
|
SUB
1.2V_SOS
|
A
BOARD
|
|
4
|
POWER_SOS
|
P/A
BOARD
|
|
5
|
SUB
5V_SOS
|
A
BOARD
|
|
9
|
TCON_SOS
|
A
BOARD
|
|
10
|
SUB
3.3V_SENSE
|
A
BOARD
|
|
11
|
DCDC_SOS
|
A
BOARD
|
|
12
|
SOS
|
A
BOARD
|
Voltage chart of A-board
Check voltage as follows at Reception state
Check voltage as follows at Reception state
|
VOLTAGE
|
TEST POINT
|
SPECIFICATION (Reception state)
|
|
STB3.3V
|
TP4716
|
3.3
± 0.16 V
|
|
SUB5V
|
TP4724
|
5 ±
0.25 V
|
|
SOUND15V
|
TP2765
|
18 ±
2 V
|
|
5VS
|
TP2768
|
6.1
± 0.3 V
|
|
SUB6V
|
TP2767
|
6.1
± 0.3 V
|
|
TCON13.7V
|
TP7019
|
12.5
± 2 V
|
|
TCON2.5V
|
TP4826
|
2.5
± 0.12 V
|
|
TCON31V
|
TP7013
|
31 ±
3.1 V
|
|
TCON-6V
|
TP7014
|
-5.7
± 0.6 V
|
Voltage chart of P-board
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VOLTAGE
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TEST POINT
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SPECIFICATION (Reception state)
|
|
P32V
|
TP7503
|
31 ±
2.5 V
|
|
17V
|
TP7502
|
18 ±
2 V
|
|
DTV12V
|
TP7501
|
12.2
± 0.6 V
|
|
TUNER6V
|
TP7601
|
6.1
± 0.3 V
|
|
DC390V
|
TP7201
|
390
± 10 V
|
