Panasonic PT52LCX66 Service Manual - Page 15

Before Removing The Main P.c.b. Or, The Tv Unit From The Unit At The, Use's Location, When - lamp replacement

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PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16 BEFORE REMOVING THE MAIN P.C.B. OR THE TV UNIT FROM THE UNIT AT THE USE'S LOCATION Note: The TV Unit includes the Main P.C.B. CAUTION: 1. Be sure to make a note of the CURRENT LAMP value (value A) in Service Mode (1/4): SERVICE Mode 1/4 LAMP OPERATION TIME CURRENT LAMP: OSD DISP : LON COUNT : BKSV: 4B 7E 3D 2000h ON 153 CA FB Value A (Changeable) WHEN REINSTALLING THE MAIN P.C.B. OR THE TV UNIT FROM THE UNIT AT THE USE'S LOCATION CAUTION: 1. Set CURRENT LAMP value to original value as follows. 1) Select CURRENT LAMP in Service Mode (1/4). 2) Press the VOLUME UP/DOWN key on the remote to change to the original value (value A) that was noted before removing the Main P.C.B. or the TV Unit at the user's location. SERVICE Mode 1/4 LAMP OPERATION TIME CURRENT LAMP: OSD DISP : LON COUNT : BKSV: 48 BF 9D 2000h ON 153 72 B5 Value A (Changeable) Fig. 2 LAMP OPERATION TIME is stored in EEPROM on the Main P.C.B. Therefore, before removing the Main P.C.B. or the TV Unit at the user's location, make a note of the CURRENT LAMP value (value A) in Service Mode (1/4). Then, after installing the new Main P.C.B. or the TV Unit at the user's location, set the CURRENT LAMP value to the original value (value A) in Service Mode. Otherwise, OSD and LED Lamp replacement indications will be displayed at the wrong time. Note: In case it is impossible to make a note of the CURRENT LAMP value because of a defective Main P.C.B., ask the customer their daily average use and the approximate age of the current Lamp. Then, calculate the CURRENT LAMP value as follows and make a note. Daily average use (hours) X Approx. age (days) = CURRENT LAMP (hours) Note: The TOTAL value can be set to the original value in Service Mode (2/4) by similar method: Before removing the Main P.C.B. at the user's location, make a note of the TOTAL value in Service Mode (2/4). Then, after installing the new Main P.C.B. at the user's location, set the TOTAL value to the original value in Service Mode. 15 Fig. 3 Service Mode Map Enter: VOLUME DOWN button + TV/VIDEO key (on the front) (on the remote) (for more than 5 seconds in power off condition) Power ON SERVICE Mode 1/4 LAMP OPERATION TIME CURRENT LAMP: OSD DISP : LON COUNT : BKSV: B0 3A 59 2000h ON 153 CD 66 BKSV number < Service Mode (1/4) > CH DOWN key CH UP key SERVICE Mode IR:1 IC2301:1 3101:1 4504:1 5000:1 5801:1 6000:1 2/4 UNIT:1 4002:1 5001:1 9502:1 TOTAL TU8200:1 IC6001 : 12345h E:06030301 V:0005024 < Service Mode (2/4) > CH DOWN key CH UP key SERVICE Mode IC6001 PORT P0:10101010 P1:-1111100 P2:00000000 P3:00000000 P4:--111110 P5:10110101 P6:01011001 P7:10101001 3/4 P8:---10110 P9:--111111 PA:00000000 PB:11111110 PC:11111100 PD:-----111 PE:11000000 PF:----0011 < Service Mode (3/4) > CH DOWN key CH UP key SERVICE Mode 4/4 -SOS- LAST SOS H10SAFE 01 SAFE 10.40.50.50.40 H10SOS2 :01 H20FANST:00 H30DT5V :00 H40ACLST:00 H50GC4PR:01 Exit: Power OFF. < Service Mode (4/4) > CH DOWN key

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Note:
The TV Unit includes the Main P.C.B.
CAUTION:
1.
Be sure to make a note of the CURRENT LAMP value
(value A) in Service Mode (1/4):
Value A
(Changeable)
<Service Mode (1/4)>
SERVICE Mode
1/4
LAMP OPERATION TIME
CURRENT LAMP:
2000h
OSD DISP
:
ON
LON COUNT
:
153
BKSV:
4B 7E 3D CA FB
Fig. 2
LAMP OPERATION TIME is stored in EEPROM on the
Main P.C.B. Therefore, before removing the Main P.C.B. or
the TV Unit at the user’s location, make a note of the
CURRENT LAMP value (value A) in Service Mode (1/4).
Then, after installing the new Main P.C.B. or the TV Unit at
the user’s location, set the CURRENT LAMP value to the
original value (value A) in Service Mode.
Otherwise, OSD and LED Lamp replacement indications
will be displayed at the wrong time.
Note:
In case it is impossible to make a note of the CURRENT
LAMP value
because of a defective Main P.C.B., ask the
customer their daily average use and the approximate age
of the current Lamp. Then, calculate the CURRENT LAMP
value as follows and make a note.
Note:
The TOTAL value can be set to the original value in Service
Mode (2/4) by similar method:
Before removing the Main P.C.B. at the user’s location,
make a note of the TOTAL value in Service Mode (2/4).
Then, after installing the new Main P.C.B. at the user’s
location, set the TOTAL value to the original value in
Service Mode.
BEFORE REMOVING THE MAIN P.C.B. OR
THE TV UNIT FROM THE UNIT AT THE
USE’S LOCATION
Daily average use
X
=
Approx. age
CURRENT LAMP
(hours)
(days)
(hours)
CAUTION:
1.
Set CURRENT LAMP value to original value as follows.
1)
Select CURRENT LAMP in Service Mode (1/4).
2)
Press the VOLUME UP/DOWN key on the remote to
change to the original value (value A) that was noted
before removing the Main P.C.B. or the TV Unit
at the
user’s location.
Value A
(Changeable)
<Service Mode (1/4)>
SERVICE Mode
1/4
LAMP OPERATION TIME
CURRENT LAMP:
2000h
OSD DISP
:
ON
LON COUNT
:
153
BKSV:
48 BF 9D 72 B5
WHEN REINSTALLING THE MAIN P.C.B.
OR THE TV UNIT FROM THE UNIT AT THE
USE’S LOCATION
Fig. 3
Service Mode Map
CH DOWN key
CH UP key
CH DOWN key
CH DOWN key
CH UP key
Enter:
VOLUME DOWN button + TV/VIDEO key
(on the front)
(on the remote)
(for more than 5 seconds in power off condition)
Exit:
Power OFF.
< Service Mode (2/4) >
< Service Mode (3/4) >
< Service Mode (1/4) >
SERVICE Mode
1/4
LAMP OPERATION TIME
CURRENT LAMP:
2000h
OSD DISP
:
ON
LON COUNT
:
153
BKSV:
B0 3A 59 CD 66
Power ON
SERVICE Mode
3/4
IC6001 PORT
P0:10101010
P8:---10110
P1:-1111100
P9:--111111
P2:00000000
PA:00000000
P3:00000000
PB:11111110
P4:--111110
PC:11111100
P5:10110101
PD:-----111
P6:01011001
PE:11000000
P7:10101001
PF:----0011
CH DOWN key
CH UP key
< Service Mode (4/4) >
SERVICE Mode
4/4
-SOS-
LAST SOS
H10SAFE 01
SAFE 10.40.50.50.40
H10SOS2 :01 H20FANST:00
H30DT5V
:00 H40ACLST:00
H50GC4PR:01
SERVICE Mode
2/4
IR:1 UNIT:1
IC2301:1 3101:1 4002:1
4504:1 5000:1 5001:1
5801:1 6000:1 9502:1
TOTAL
: 12345h
TU8200:1
E:06030301
IC6001
V:0005024
BKSV number
PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16
15