60PB4DT-UB (CHASSIS:PA72A) - LG TV Service Manual (repair manual). Page 13

Read LG 60PB4DT-UB (CHASSIS:PA72A) Service Manual online

- 13 -
ADJUSTMENT INSTRUCTIONS
10-5. Adjustment 
(1) Automatic Adjustment 
1) The adjustment condition of this set should be set by
pressing the Power On key. 
2) Calibrate the color analyzer and closely contact the
probe to the display center.
3) Connect the communication cable (RS-232C).
4) Select the said model of the adjustment program and
execute the adjustment.
5) After the adjustment is completed (check the OK sign),
check the adjustment condition for each mode of the
set. (Warm, Medium, Cool)
6) Disconnect the probe and the communication cable to
complete the adjustment.
(2) Manual Adjustment
1) Execute the adjustment R/C POWER ON(
A
) to set the
adjustment condition.
2) Calibrate the color analyzer and closely contact the
probe to the display center.
3) Enter the ‘Ez - Adjust’ by pressing the ADJ on the
Service R/C.
4) Enter the ‘8.White-Balance’ of ‘Ez - Adjust’.
5) Fix one of the R/G/B gains to 192 and adjust other two
gains to 192 or less.
6) Adjust the color temperature to one of Cool, Medium
and Warm.
1. For all color temperatures, fix R-Cut / G-Cut / B-Cut
to 64.
2. If the color temperature is Cool, 
fix the B Gain to 192 and R-Cut / G-Cu t/ B-Cut to
64, and adjust the highlight by using the R Gain / G
Gain. 
3. If the color temperature is Medium, 
fix the R Gain to 192 and R-Cut / G-Cut / B-Cut to
64, and adjust the highlight by using the G Gain / R
Gain. 
4. If the color temperature is Warm, 
fix the R Gain to 192 and R-Cut / G-Cut / B-Cut to
64, and adjust the highlight by using the G Gain / B
Gain.
7) Adjust using Volume +/- KEY.
8) After adjustment is complete, exit the adjustment mode
by  pressing the ADJ KEY.
High Level: 216gray
[Cool]
X; 0.276±0.002   Y; 0.283±0.002
Color temperature: 11000°K±1000°K
dUV: 0.000
[Medium]
X; 0.285±0.002   Y; 0.293±0.002
Color temperature: 9300°K±1000°K
dUV: 0.000
[Warm]
X; 0.313±0.002   Y; 0.329±0.002
Color temperature: 6500°K±1000°K
dUV: 0.000
11. ADC(MST3361) Adjustment
11-1. Synopsis
ADC adjustment to set the black level and the Gain to
optimum.
11-2. Test Equipment & Condition
(1) Service R/C
(2) Use the specified signal cable
(3) MSPG-925 Series Pattern Generator
1)  Resolution: 480i, 1080i 
2) Pattern: Horizontal 100% Color Bar Pattern
3) Pattern Level: 0.7
±
0.1Vp-p
4)  Image
11-3. ADC 480i Comp1 Adjustment
(1) Receive the 480i Mode, Horizontal 100% Color Bar
Pattern to Comp1 port.
(MSPG-925 Series: ==> Model : 209 , Pattern : 65) 
(2)  After connecting, wait for the image displayed on the
screen
(3) Enter the ‘Ez - Adjust’ by pressing the ADJ on the Service
R/C.
(4) Select the ADC 480i Comp1 using the 
E
, start the
adjustment by pressing the 
G
.
(5) When the adjustment is over, 'ADC Component1 Success’
is displayed. If the adjustment has errors, 'ADC
Component1 408i Fail’ is displayed.
[Fail Message]
- If the component is not connected: Component1 Not
Connected
- If the input format is not 480i: Not Valid Format 
- If the input signal is not generated: Check Signal Status
Page of 89
Display

Click on the first or last page to see other 60PB4DT-UB (CHASSIS:PA72A) service manuals if exist.