LG 32LX4DC-UB / 32LX4DCS-UB (CHASSIS:LA53A) Service Manual ▷ View online
- 13 -
SVC REMOCON
NO KEY
FUNTION
REAMARK
1
POWER
2
POWER ON
3
MUTE
4
P-CHECK
5
S-CHECK
6
ARC
7
CAPTION
8
TXT
9
TV/AV
10
TURBO SOUND
11
TURBO PICTURE
12
IN-START
13
ADJ
14
MPX
15
EXIT
16
APC(PSM)
17
ASC(SSM)
18
MULTIMIDIA
19
FRONT-AV
20
CH
21
VOL
22
ENTER
23
PIP CH-(OP1)
24
PIP CH+(OP2)
25
PIP SWAP(OP3)
26
PIP INPUT(OP4)
27
EYE
28
MENU
29
IN-STOP
30
STILL
31
TIME
32
SIZE
33
MULTI PIP
34
POSITION
35
MODE
36
PIP
37
TILT
38
0~9
To turn the TV on or off
To turn the TV on automatically if the power is supplied to the TV. (Use the
POWER key to deactivate): It should be deactivated when delivered.
To activate the mute function.
To check TV screen image easily.
To check TV screen sound easily
To select size of the main screen (Normal, Spectacle, Wide or Zoom)
Switch to closed caption broadcasting
To toggle on/off the teletext mode
To select an external input for the TV screen
To start turbo sound
To start turbo picture
To enter adjustment mode when manufacturing the TV sets.
To adjust the screen voltage (automatic):
In-start
To turn the TV on automatically if the power is supplied to the TV. (Use the
POWER key to deactivate): It should be deactivated when delivered.
To activate the mute function.
To check TV screen image easily.
To check TV screen sound easily
To select size of the main screen (Normal, Spectacle, Wide or Zoom)
Switch to closed caption broadcasting
To toggle on/off the teletext mode
To select an external input for the TV screen
To start turbo sound
To start turbo picture
To enter adjustment mode when manufacturing the TV sets.
To adjust the screen voltage (automatic):
In-start
mute
Adjust
AV(Enter into W/B adjustment mode)
W/B adjustment (automatic):
After adjusting the screen W/B adjustment Exit two times (Adjustment completed)
To enter into the adjustment mode. To adjust horizontal line and sub-brightness.
To select the multiple sound mode (Mono, Stereo or Foreign language)
To release the adjustment mode
To easily adjust the screen according to surrounding brightness
To easily adjust sound according to the program type
To check component input
To check the front AV
To move channel up/down or to select a function displayed on the screen.
To adjust the volume or accurately control a specific function.
To set a specific function or complete setting.
To move the channel down in the PIP screen.
To use as a red key in the teletext mode
To move the channel in the PIP screen
To use as a green key in the teletext mode
To switch between the main and sub screens
To use as a yellow key in the teletext mode
To select the input status in the PIP screen
To use as a blue key in the teletext mode
To set a function that will automatically adjust screen status to match
the surrounding brightness so natural color can be displayed.
To select the functions such as video, voice, function or channel.
To set the delivery condition status after manufacturing the TV set.
To halt the main screen in the normal mode, or the sub screen at the PIP screen.
Used as a hold key in the teletext mode (Page updating is stopped.)
Displays the teletext time in the normal mode
Enables to select the sub code in the teletext mode
Used as the size key in the PIP screen in the normal mode
Used as the size key in the teletext mode
Used as the index key in the teletext mode (Top index will be
displayed if it is the top text.)
To select the position of the PIP screen in the normal mode
Used as the update key in the teletext mode (Text will be
displayed if the current page is updated.)
Used as Mode in the teletext mode
To select the simultaneous screen
To adjust screen tilt
To manually select the channel.
After adjusting the screen W/B adjustment Exit two times (Adjustment completed)
To enter into the adjustment mode. To adjust horizontal line and sub-brightness.
To select the multiple sound mode (Mono, Stereo or Foreign language)
To release the adjustment mode
To easily adjust the screen according to surrounding brightness
To easily adjust sound according to the program type
To check component input
To check the front AV
To move channel up/down or to select a function displayed on the screen.
To adjust the volume or accurately control a specific function.
To set a specific function or complete setting.
To move the channel down in the PIP screen.
To use as a red key in the teletext mode
To move the channel in the PIP screen
To use as a green key in the teletext mode
To switch between the main and sub screens
To use as a yellow key in the teletext mode
To select the input status in the PIP screen
To use as a blue key in the teletext mode
To set a function that will automatically adjust screen status to match
the surrounding brightness so natural color can be displayed.
To select the functions such as video, voice, function or channel.
To set the delivery condition status after manufacturing the TV set.
To halt the main screen in the normal mode, or the sub screen at the PIP screen.
Used as a hold key in the teletext mode (Page updating is stopped.)
Displays the teletext time in the normal mode
Enables to select the sub code in the teletext mode
Used as the size key in the PIP screen in the normal mode
Used as the size key in the teletext mode
Used as the index key in the teletext mode (Top index will be
displayed if it is the top text.)
To select the position of the PIP screen in the normal mode
Used as the update key in the teletext mode (Text will be
displayed if the current page is updated.)
Used as Mode in the teletext mode
To select the simultaneous screen
To adjust screen tilt
To manually select the channel.
Shortcut keys
Shortcut keys
Shortcut keys
Use the AV
key to enter
the screen
W/B
adjustment
mode.
key to enter
the screen
W/B
adjustment
mode.
Shortcut keys
Shortcut keys
Shortcut keys
- 14 -
TROUBLESHOOTING
No power
Connector connection
Replace Power_board
Replace Power_board
Power On key
OK
Power supply Check
connector connection status.
Stand voltage check:
D-board P100+5V-STDBY
Stand voltage check:
A-board P502 #5Pin 5V
Check 15V or 5V
of Lips
Connection
of power supply part :
Check wiring status of the 13-pin
connector
Connection
of power supply part :
Check wiring status of the 15-pin
connector
Power on signal level :
D-board P101 'power0' 3.3V
D_board main voltage:
P100 '+3.3V', '+6V-P',
'12V-P', '+30V-P'
Fail
Fail
Fail
Fail
Fail
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Replace Power_board
Replace D_board
MICOM IC101
MICOM IC101
- 15 -
No Raster
Replace Power board
Stand by voltage :
D_board P100 +12V-P
Check No Power
(Go to Power)
Fail
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Pass
Replace Q202/Q200
Replace D_board
Stand by voltage :
D_board Q202
#5, #6, #7, #8 12V
D_Board P202
LVDS Signal Exist?
Check No Power
(Go to Power)
Fail
Fail
Fail
Fail
Replace D_board
Replace A_board
A_board P502 #13
15V
Check No Power
(Go to Power)
Check
Module T-con voltage:
D-board P202 #2, #3, #4pin
12V?
Replace LCD Module
- 16 -
No Sound
Replace Connector
Replace Power Board
Replace A_Board
Replace Speaker
Check Sound supply:
A_board P502 #1, #2 18V
Power board 15Pin
Connector
check
Fail
Fail
Fail
Pass
Pass
Pass
Speaker output check :
Is there waveform of P600/P601 #1?
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