Panasonic PT-44LCX65-K, Service Manual, Page: 9 / 236

1. Press and hold the VOLUME DOWN button on the unit and
the TV/VIDEO key on the remote for more than 5 seconds
in power off condition. The unit will go into Service Mode.
Service Mode (1/3) will appear.
Fig. 1-2
Fig. 1-3
*1: The current elapsed "Lamp operation" time (in hours)
(changeable)
Note:
"CURRENT LAMP" can be changed as follows:
Select "CURRENT LAMP" by pressing CH UP/DOWN
key and press the OK key.
Then, press the VOLUME UP/DOWN key to change
the value of *1.
To release, press the RECALL key.
*2: OSD Display ON/OFF mode (Not used for service)
Note:
Press the OK key to display OFF.
To release, press any key.
*3: The number of Lamp ON (limit 65535) (For reference only)
(When the Lamp time is reset, value of *3 will be "0")
*4: BKSV number read-out
IC5805 (HDMI IC) on the Main C.B.A. has its own
number called BKSV and it is displayed.
Note:
To display BKSV number, refer to "HOW TO DISPLAY
BKSV NUMBER."
2. Press the CH DOWN key. Service Mode (2/3) will appear.
Fig. 1-4-1
*5: Key detection (IR and Unit operation button) check
Note:
On the remote, first, press the TV key on the remote to
go to TV mode. Then, press any operation key except
POWER, LIGHT, CH UP/DOWN, REW, PLAY, FF,
PAUSE, STOP, REC, TV/VCR or OPEN/CLOSE to
detect if a key has been pressed. If a key has been
detected by IC6003, "1" will change to "0."
On the unit, press any operation button except POWER
to detect if a button has been pressed.
If a button has been detected by IC6003, "1" will
change to "0."
*6: Communication check for IIC bus on the Main C.B.A.
Fig. 1-4-2
*7: The total elapsed "Lamp operation" time (in hours)
(changeable) (For reference only)
Note:
Even when changing the value of *1, it is not effective
for the value of *7.
(on the front)
(power off condition)
VOL DOWN
TV/VIDEO
(on the remote)
<Service Mode (1/3)>
*1 (Changeable)
*2
*3
*4
S E R V I C E M o d e 1 / 3
L A M P O P E R A T I O N T I M E
C U R R E N T L A M P : 2 0 0 0 h
O S D D I S P : O N
L O N C O U N T : 1 5 3
B K S V : B 0 3 A 5 9 C D 6 6
<Service Mode (2/3)>
*5
*6
*7 (Changeable)
*8
*9
*10
S E R V I C E M o d e 2 / 3
I R : 1 U N I T : 1
I C 3 0 0 1 : 1 4 2 0 1 : 1 5 0 0 4 : 1
5 1 0 3 : 1 5 3 0 1 : 1 5 5 0 1 : 1
5 8 0 5 : 1 S A P : 1
T O T A L : 1 2 3 4 5 h
I C 6 0 0 5 : 1 6 0 0 7 : 1 M T N R : 1
E : 0 5 0 4 0 5 B 1
F : 0 0 0 0 0 0 0
I C 6 0 0 3 V : 0 1 0 0 0 0 0
0
1 NG
OK
Explanation
Code No.
Communication check for I 2 C bus
(IC6003 IC3001(VIDEO SW))
(Communication check for I 2 C bus)
0
1 NG
OK
Communication check for I 2 C bus
(IC6003 IC4201(SOUND PROCESSOR)
0
1 NG
OK
Communication check for I 2 C bus
(IC6003 IC5004(MAIN VIDEO SIGNAL PROCESS))
0
1 NG
OK
Communication check for I 2 C bus
(IC6003 IC5103(SUB VIDEO SIGNAL PROCESS))
0
1 NG
OK
Communication check for I 2 C bus
(IC6003 IC5301(VIDEO SIGNAL PROCESS))
0
1 NG
OK
Communication check for I
2
C bus
(IC6003 IC5805(HDMI INTERFACE))
0
1 NG
OK
Communication check for I 2 C bus
(IC6003 SAP (MTS/SAP SIGNAL PROCESS))
Note:
SAP is included in TUNER which supplied as a unit.
IC6003 IC3001 IC6003 IC4201 IC6003 IC5004
IC6003 IC5805 IC6003 SAP(TUNER) Ignore
I C 3 0 0 1 : 1 4 2 0 1 : 1 5 0 0 4 : 1
5 1 0 3 : 1 5 3 0 1 : 1 5 5 0 1 : 1
5 8 0 5 : 1 S A P : 1
PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K
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