Panasonic TH-55LFV50W Service Manual ▷ View online
9
General:
Item
Specifications
Power Supply
110 - 127 V AC, 50/60 Hz
Power Consumption (Max)
320 W
Power Consumption (Standby) <0.5 W
Power Consumption (Saving) <2 W
Dimensions [W x H x D]
1215.5 x 686.3 x 121.2 mm, 47.85” x 27.02” x 4.77”
Weight
36 kg, 79.3 lbs
Gross Weight
48 kg, 105.82 lbs
Operating Condition:
Specifications
Temperature
0 ~ 40°C, 32 ~ 104°F
Humidity
5 ~ 90% RH (No condensation)
Altitude
0 ~ 2,000 m
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5. Troubleshooting Guide
5.1 No Power
No power (LED “Off”)
Check the AC input and
the power is “ON”?
the power is “ON”?
Power “On”
Power board CN924 Pin
3/4 output=5V?
Replace the Power board
Yes
No
Yes
No
Use RC or Key to turn on
the TV
No
Yes
1. RC can turn on the TV and Key can’t,
replace the key board.
2. Key can turn on the TV and RC can’t,
replace the RC.
Replace the Main board
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5.2 Abnormal Display
Abnormal Display
Replace LVDS Cable
Replace the main board
Replace the panel
No
No
Yes
No
Enter factory mode
to Reset
to Reset
Replace the main board
No
Yes
Reset
Check the OSD is
normal?
12
5.3 No Display
Replace main board
Replace the power board
CN416
37/38/39/40= 12V?
Replace the Panel
No display
(LED No power)
Replace the main board
Check the backlight is
“On”?
Check the LVDS cable
Reinsert or replace the
LVDS cable
Replace the main board
Replace the Panel
No
Yes
Yes
No
Yes
No
No
Yes
Yes
No
Yes
No
Power board
CN921 Pin 1/2/3/4/5=24V
CN922 Pin 1/2/3/4/5=24V
CN922 Pin 1/2/3/4/5=24V
CN926 Pin 5/6/7=24V
CN925 Pin 4/5/6=12V
CN925 Pin 4/5/6=12V
Check TV is under control and power
on/off by remote control and
power key?
power key?
CN422 Pin 13/14 =5V
CN405 Pin 1/2/3 =12V?
CN405 Pin 5/6/7 =24V?
CN405 Pin 1/2/3 =12V?
CN405 Pin 5/6/7 =24V?
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