Adjustments And Upgrade; White Balance Adjustment (Th-32Lrt12U-A); Test Condition; Low Light Adjustment - Panasonic TH-37LRT12U Service Manual

9 Adjustments and Upgrade

9.1. White Balance Adjustment
(TH-32LRT12U-A)
9.1.1.

Test Condition

1. Press the "Factory Settings" button on the custom remote
or hold down the "Volume+ -" keys on the screen for 3
seconds to access the "Factory Mode".
2. Software Reset: Before screen warm-up, go to option
"0F" in factory mode and at "RESET" press the "Left" but-
ton on the remote.
3. Screen Burn-in: Go to option "OF" in factory mode and at
"BURN IN", press the "Left" button on the remote to
switch to "W" then exit factory mode. Allow to burn in for
"1 hour". After burn-in, enter factory mode and change
"BURN IN" to "OFF" before proceeding with White Bal-
ance Adjustment.
4. White Balance Adjustment:
Set TV to "AV1"; Input signal is H Pattern*.
9.1.2.

Low Light Adjustment

1. In option "0A" under factory mode, use "R OFFSET" and
"B OFFSET" to set the hue and brightness.
Adjustment
(auto)
2 0.280±0.003
x(cd/m )
2 0.285±0.003
y(cd/m )
2 3±0.5
Y(cd/m )
9.1.3.

High Light Adjustment

1. In option "0A" under factory mode, use "R GAIN" and "B
GAIN" to set the hue and brightness.
Adjustment
(auto)
2 0.280±0.003
x(cd/m )
2 0.285±0.003
y(cd/m )
2 200±1.0
Y(cd/m )
* H Pattern:
Adjustment Confirmation
(manual)
0.280±0.005 0.280±0.01
0.285±0.005 0.285±0.01
3±0.5 3±0.5
Adjustment Confirmation
(manual)
0.280±0.005 0.280±0.01
0.285±0.005 0.285±0.01
200±1.0 200±15.0
9.2. White Balance Adjustment
(TH-37LRT12U/M/A)
9.2.1. Test Condition
1. Press the "Factory Settings" button on the custom remote
or hold down the "Volume+ -" keys on the screen for 3
seconds to access the "Factory Mode".
2. Software Reset: Before screen warm-up, go to option
"0F" in factory mode and at "RESET" press the "Left" but-
ton on the remote.
3. Screen Burn-in: Go to option "OF" in factory mode and at
"BURN IN", press the "Left" button on the remote to
switch to "W" then exit factory mode. Allow to burn in for
"1 hour". After burn-in, enter factory mode and change
"BURN IN" to "OFF" before proceeding with White Bal-
ance Adjustment.
4. White Balance Adjustment:
Set TV to "AV1"; Input signal is H Pattern*.
9.2.2. Low Light Adjustment
1. In option "0A" under factory mode, use "R OFFSET" and
"B OFFSET" to set the hue and brightness.
Adjustment
(auto)
2 0.280±0.003
x(cd/m )
2 0.285±0.003
y(cd/m )
2 3.5±0.5
Y(cd/m )
9.2.3. High Light Adjustment
1. In option "0A" under factory mode, use "R GAIN" and "B
GAIN" to set the hue and brightness.
Adjustment
(auto)
2 0.280±0.003
x(cd/m )
2 0.285±0.003
y(cd/m )
2 200±1.0
Y(cd/m )
23
TH-32LRT12U-A * TH-37LRT12U/M/A
Adjustment Confirmation
(manual)
0.280±0.005 0.280±0.01
0.285±0.005 0.285±0.01
3.5±0.5 3.5±0.5
Adjustment Confirmation
(manual)
0.280±0.005 0.280±0.01
0.285±0.005 0.285±0.01
200±1.0 200±15.0