LG 32LS679C-ZC Service Manual page 13

* Manual W/B process using adjust Remote control.
▪ After enter Service Mode by pushing "ADJ" key,
▪ Enter White Balance by pushing " ► " key at "8. White
Balance".
EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Tool Option5
5. Country Group
6. Area Option
7. ADC Calibration
8. White Balance
9. 10 Point WB
10. Test Pattern
11. EDID D/L
12. Sub B/C
13. Touch Sensitivity Setting
* After you finished all adjustments, Press "In-start" key and
compare Tool option and Area option value with its BOM, if
it is correctly same then unplug the AC cable. If it is not
same, then correct it same with BOM and unplug AC cable.
For correct it to the model's module from factory Jig model.
* Push the "IN STOP" key after completing the function
inspection. And Mechanical Power Switch must be set
"ON".
4.2. EYE-Q function check
(1) Turn on TV.
(2) Press EYE key of Adjustment remote control.
(3) Cover the Eye Q II sensor on the front of the using your
hand and wait for 6 seconds.
(4) Confirm that R/G/B value is lower than 10 of the "Raw
Data (Sensor data, Back light)". If after 6 seconds, R/G/B
value is not lower than 10, replace Eye Q II sensor.
(5) Remove your hand from the Eye Q II sensor and wait for 6
seconds.
(6) Confirm that "ok" pop up. If change is not seen, replace
Eye Q II sensor.
4.3. Outgoing condition Configuration
■ When pressing IN-STOP key by SVC remocon, Red LED
are blinked alternatively. And then automatically turn off.
(Must not AC power OFF during blinking)
Copyright © LG Electronics. Inc. All rights reserved.
Only for training and service purposes
White Balance
Cool
Color Temp.
R-Gain 172
G-Gain
172
B-Gain 192
R-Cut
64
G-Cut
64
B-Cut
64
Test-Pattern
ON
Backlight
►
100
Reset
To Set
5. HI-POT Test
5.1. HI-POT auto-check preparation
- Check the POWER cable and SIGNAL cable insertion condition
5.2. HI-POT auto-check
(1) Pallet moves in the station. (POWER CORD / AV CORD is
tightly inserted)
(2) Connect the AV JACK Tester.
(3) Controller (GWS103-4) on.
(4) HI-POT test (Auto)
- If Test is failed, Buzzer operates.
- If Test is passed, GOOD Lamp on and move to next proc-
ess automatically.
5.3. Checkpoint
(1) Test voltage
- Touchable Metal : 3KV / min at 100mA
- SIGNAL : 3KV / min at 100mA
(2) TEST time: 1 second. (case : mass production )
(3) TEST POINT
- Touchable Metal => LIVE & NEUTRAL : Touchable Metal.
- SIGNAL => LIVE & NEUTRAL : SIGNAL.
6. Model name & Serial number D/L
▪ Press "Power on" key of service remote control.
(Baud rate : 115200 bps)
▪ Connect USB to RS232 Signal Cable to USB Jack.
▪ Write Serial number.
▪ Must check the serial number at the Diagnostics of SET UP
menu.(Refer to below)
6.1. Signal Table
CMD LENGTH ADH
CMD : A0h
LENGTH : 85~94h (1~16 bytes)
ADH : EEPROM Sub Address high (00~1F)
ADL : EEPROM Sub Address low (00~FF)
Data : Write data
CS : CMD + LENGTH + ADH + ADL + Data_1 +...+ Data_n
Delay : 20ms
6.2. Comand Set
Adjust mode CMD(hex)
EEPROM WRITE A0h
* Description
FOS Default write : <7mode data> write
Vtotal, V_Frequency, Sync_Polarity, Htotal, Hstart, Vstart, 0,
Phase
Data write : Model Name and Serial Number write in EEPROM,.
- 13 -
ADL DATA_1 . . . Data_n
LENGTH(hex) Description
84h+n n-bytes Write (n = 1~16)
LGE Internal Use Only
CS DELAY