Panasonic TH-98LQ70U / TH-98LQ70W / TH-98LQ70C Service Manual ▷ View online
INF - 3
SECTION 1 SERVICE INFORMATION
<TH-98LQ70U/W/C>
2．Service mode
2-1. CAT (Computer Aided Test) mode
■
To display the CAT mode
1. Press the [OFF TIMER] button to select 30, 60, or 90, not 0min.
2. Set the volume level to "0" with the [VOL-] button.
3.Press and hold the [RECALL] button for more than 3 seconds. (This must be done while the volume display is on.)
The CAT mode will appear on the screen.
■
To exit the CAT mode, turn the power off by the main unit or a remote control.
2-2. IIC mode
Select the IIC mode by Up/Down button on the remote control at the front page of CAT mode and then press
the Action button on the remote control.
How to use the IIC mode.
1. Select the alignment Subject by Up/Down buttons
on the remote control.
2. Select the alignment item by Left/Right buttons
on the remote control.
3. Adjust optimum setting by Volume Up/Down buttons
on the remote control.
4. The data is momorized when press the RETURN
on the remote control or change the alignment
Subject (or Items).
Subject and item are mentioned on “IIC mode structure”.
To exit the IIC mode, press the RETURN button on the remote control.
ENTER
ENTER
ENTER
INF - 4
SECTION 1 SERVICE INFORMATION
<TH-98LQ70U/W/C>
■
Major item structure
■
Minor item structure
●
Aging
●
W/B Adj
●
LCD W/B Adj
●
DIGITAL LINK Update
●
EDID Write Protect
Panel self Test
G GAIN
B GAIN
R_BIAS
G_BIAS
B_BIAS
R GAIN
G GAIN
B GAIN
R_BIAS
G_BIAS
B_BIAS
R GAIN
INF - 5
SECTION 1 SERVICE INFORMATION
<TH-98LQ70U/W/C>
●
Front Panel Key Check
●
PICTURE Sub Adjust
●
TEMP CONTROL Adj
●
Chroma Control
●
Pos. /Size
2-3. Internal Test pattern
1. Select the IIC mode by Up/Down botton on the remote control at the front page of CAT mode and then press the ENTER
button on the remote control.
2. Select Aging by Up/Down button on the remote control at the IIC mode and then press the ENTER button on the remote
control.
3. Every time when RETURN button is pressed, the pattern is changed.
To exit Internal Test patten, press the RETURN button on the remote contorol.
V Size
INF - 6
SECTION 1 SERVICE INFORMATION
<TH-98LQ70U/W/C>
2-4. CD mode
In [Contents & Check point] of [3-2. Power LED Blinking timing
chart], the two-digit following PTCT are displayed by a hexadeci-
chart], the two-digit following PTCT are displayed by a hexadeci-
Select the CD mode by Up/Down button on the remote
mal number.
control at the front page of CAT mode and then press
the Mute button on the remote control more than
3 seconds.
2-5. MS mode
Caution:
Market Select should be set after exchange of A-Board.
1. Select the MS mode by Up/Down button on the remote
control at the front page of CAT mode and then press
the Mute button on the remote control more than
3 seconds.
Memory data change
2. Select desired destination number with [Left/Right] buttons
and press the [ENTER] button to set. The present destination
number will be changed to the same number of new destination
number. At this moment, new destination number will be
applied. Data is changed after 5 seconds.
About the serial number display
To exit the MS mode
• Regarding the serial number of A-module for repair,
Press the [RETURN] button to return to the CAT mode menu.
a dummy value is displayed.
* By the set for which A-module was exchanged, a serial
3. Turn the Display off with Main switch and on again.
number is displayed as [-----].
4. The "Display Language Selection" menu will be displayed on
the screen. Select your language with the [Up/Down] buttons
the screen. Select your language with the [Up/Down] buttons
About the history display of SOS for the power supply
and press the [ENTER] button to set.
• This unit adds the history display (5 times) of power
supply failure to the CD mode as PTCT.
supply failure to the CD mode as PTCT.
Destination number
• By the self check of a signal system, only one history
Number
is displayed (After a self check disappears). But PTCT
0
98LQ70J (Japan)
displays 5 times of histories (Abnormality of the latest
1
98LQ70U (North America)
3 times, first time and second time after shipment)
3
98LQ70W (Europe,Asia, Oceania, ME, Africa)
and after a self check does not disappear.
18
98LQ70C (China)
You can see a detailed history of power failure sometimes.
* About the display contents of PTCT
* About the display contents of PTCT
PTCT : The position of [05] is the first time after shipment.
PTCT : The position of [04] is the second time after shipment.
PTCT : The position of [03] is second from last time.
PTCT : The position of [02] is last time.
PTCT : The position of [01] is the latest.
PTCT : The position of [04] is the second time after shipment.
PTCT : The position of [03] is second from last time.
PTCT : The position of [02] is last time.
PTCT : The position of [01] is the latest.
*****LQ70
(98inch)
New data
Original data
SOS history
Present destination number
RRPROM data version
New destination
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