Service Mode - Panasonic PT-56LCX70 Service Manual

5 Service Mode

INDICATIONS FOR ERROR CONDITIONS
Each Indicator facilitates finding the cause of an error.
When an error is detected, the Lamp goes off and the indicators on the front flash.
Priority Error Information
1
Over voltage/Over current (SOS)
2
Abnormal voltage (DTV+9V line)
3
Abnormal voltage (SUB+5V line)
4
Abnormal voltage (MAIN+3.3V line)
5
IC4501 (Audio Amp) failure
Communication error between Peaks (IC8001)
6
and TV Microcontroller (IC6004)
Communication error between Peaks (IC8001)
7
and TV Microcontroller (IC6004)
8
Abnormal voltage (POWER+17V line)
13
Lamp does not light up
10
Lamp failure
11
Abnormal Lamp temperature
12
Lamp communication error
15
Lamp Fan stops
16
Fan Case Unit (OPT Fan) stops
17
Front Fan or Rear Fan stops
18
Rear Fan or Front Fan stops
14
Rear Jack PCB connection error
9
Abnormal Lamp input voltage (+28V)
Note:
1. The detected Error data will be stored in the EEPROM, and SOS History (Code) is displayed in Self Check mode
or Service Adjust mode (SRV-TOOL).
2. The Lamp Indicator will flash X5 immediately after the Lamp goes off. For this SOS only, the TV power will remain on.
LAMP Indicator
POWER Indicator
PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7
POWER Indicator LAMP Indicator
flashes orange flashes red
1
-
2
-
3
-
4
-
6
-
7
-
9
-
10
-
2
-
3
-
4
-
-
5
-
8
9
-
-
10
-
11
-
12
-
13
7
(Note 1)
SOS LAMP OFF RESET
01
02
03
04
AC
ON/OFF
06
07
09
0A
02
03
Power
ON/OFF
04
05
(Note 2)
08
09
AC
0A
ON/OFF
0B
0C
Power
0D
ON/OFF