Read LG 22LU50FD (CHASSIS:LC91M) Service Manual online
(3) Show the message “Copying files from memory”
(4) Updating is staring.
(5) After updating is complete, the TV will restart automatically.
(6) If TV turns on, check your updated version and Tool
option. (refer to the next page about tool option)
* If downloading version is higher than your TV have, TV
can lost all channel data. In this case, you have to
channel recover. If all channel data is cleared, you didn’t
have a DTV/ATV test on production line.
channel recover. If all channel data is cleared, you didn’t
have a DTV/ATV test on production line.
* After downloading, have to adjust Tool Option again.
(1) Enter ‘EZ ADJUST’ mode by pushing ‘ADJ’ key.
(2) Select each ‘Tool Option(1~4)’ and push ‘OK’ or ‘
(2) Select each ‘Tool Option(1~4)’ and push ‘OK’ or ‘
G
’ key.
(3) Correct the number. (Each model has their number.)
(4) Correction Tool option is complete.
3.1. ADC Process
• Input signal : Component 480i
• Signal equipment displays.
• Signal equipment displays.
- Component 480I
MODEL: 209 in Pattern Generator(480i Mode)
PATTERN : 65 in Pattern Generator(MSPG-925 SERIES)
PATTERN : 65 in Pattern Generator(MSPG-925 SERIES)
* You need not connecting RGB(D-sub) cable. Because
ADC in RGB PC mode uses TV internal pattern.
• Enter ‘EZ ADJUST’ mode by pushing ‘ADJ’ key,
• Enter ‘ADC Calibration’ mode by pushing ‘OK’ or “
• Enter ‘ADC Calibration’ mode by pushing ‘OK’ or “
G
” key
after selecting “5. ADC Calibration”.
<Caution> Turn on Tv by pushing ‘POWER ON’ or ‘P-ONLY’ key.
* ADC Calibration Protocol (RS232)
* ADC Calibration Protocol (RS232)
Adjust Sequence
• aa 00 00 [Enter Adjust Mode]
• xb 00 40 [Component1 Input (480i)]
• ad 00 10 [Adjust 480i Comp1]
• xb 00 60 [RGB Input (1024*768)]
• ad 00 10 [Adjust 1024*768 RGB]
• aa 00 90 End Adjust mode
* Required equipment : factory Service Remote control
• aa 00 00 [Enter Adjust Mode]
• xb 00 40 [Component1 Input (480i)]
• ad 00 10 [Adjust 480i Comp1]
• xb 00 60 [RGB Input (1024*768)]
• ad 00 10 [Adjust 1024*768 RGB]
• aa 00 90 End Adjust mode
* Required equipment : factory Service Remote control
3.2. Function Check
(1) Check display and sound
- Check Input and Signal items. (cf. work instructions)
1) TV
2) AV 1/2
3) COMPONENT1/2 (480i)
4) RGB (PC : 1024 x 768 @ 60hz)
5) HDMI 1/2/3
6) PC Audio In
2) AV 1/2
3) COMPONENT1/2 (480i)
4) RGB (PC : 1024 x 768 @ 60hz)
5) HDMI 1/2/3
6) PC Audio In
* Display and Sound check is executed by remote control.
- 10 -
Model
Tool option1 Tool option2 Tool option3 Tool option4
42LH50YD
5185
1588
160
2688
Item CMD1 CMD2
Data0
Adjust
A
A
0
0 When transfer the ‘Mode In’,
‘Mode In’
Carry the command.
ADC Adjust
A
D
1
0 Automatically adjustment
(The use of a internal pattern)
Adjustment pattern
ADC Calibration
ADC Comp 480i
NG
ADC Comp 1080p
NG
ADC RGB
NG
Start
Reset
EZ ADJUST
0. Tool Option1
1. Tool Option2
2. Tool Option3
3. Tool Option4
4. Country Group
5. ADC Calibration
6. White Balance
7. Test Pattern
8. EDID D/L
9. Sub B/C
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