LG 55LW5600 (CHASSIS:LA12C) Service Manual ▷ View online
21. Trouble shooting - Service Mode (INSTART – Adjust Check)
1. Adjust Check
: This menu displays Country Group, Tool Option and Adjust Result
Information. This is very useful when you want to know about TV systems
adjustment as White Balance, ADC.
: This menu displays Country Group, Tool Option and Adjust Result
Information. This is very useful when you want to know about TV systems
adjustment as White Balance, ADC.
1) Country Group
- You can change Country Group and Tool Option only. This change is saved
real-time.
2) Tool Option
- You can change Tool Option value. Move a cursor to dialog box and push
some numbers with remote-controller.
3) Adjust White Balance
- This dialog box shows the result of White Balance adjustment. OK/NG
4) Adjust ADC
- You need not control ADC
5) EDID
- This dialog box shows the status of EDID Download.
Adjust Check
1. Country Group
( Press OK to Save )
Country Group Code
Country Group
Country
Country Group
Country
2. Tool Option
Tool Option1
Tool Option2
Tool Option3
Tool Option4
Tool Option5
Tool Option2
Tool Option3
Tool Option4
Tool Option5
Tool Option6
3. Adjust White Balance :
OK(0)
4. Adjust ADC :
OTP
480i Component
1080p Component
RGB
1080p Component
RGB
5. EDID(AC3) :
OK
RGB
HDMI1
HDMI2
HDMI3
HDMI 4
HDMI1
HDMI2
HDMI3
HDMI 4
02
US
US
US
33032
4161
7295
7295
21897
47693
47693
OK
OK
OK
OK
OK
OK (0x98)
OK (0x7F, 0x6F)
OK (0x7F, 0x5F)
OK (0x7F, 0x4F)
OK (0x7F, 0x3F)
OK (0x7F, 0x5F)
OK (0x7F, 0x4F)
OK (0x7F, 0x3F)
667
22. Trouble shooting - SW download
If SW update screen appears,
push the OK button.
The latest S/W put in the ‘LG DTV’ folder of USB Memory
USB connects to USB jack for service.
The SW update is finished, please check new SW version by
in-start menu.
1
BCM35230 Block Diagram
L/R In
SPDIF OUT
NAND
Flash(8Gb)
LAN PHY
(10M/100
)
CVBS
USB
Audio
AMP
I2S Out
BCM
35230
35230
S_TS(CHB)
CVBS(M)
CVBS(CHB)
DIF(+/-)
WIFI
USB1
USB2
USB2
COMP1
A/V1
RS-232C
PC-RGB
PC-AUDIO
OPTIC
LAN
SYSTEM
DDR3
X 16 X 2
(2Gb)
Audio
AMP
LVDS
HDMI1
HDMI2
HDMI3
HDMI4
HDMI4
Side
Rear
COMP
RGB,H/V
Ethernet
GCHB IC
(with
CVBS
Decoder)
S_TS(CHB)
CVBS
CAM,
DVR
Ready
DVR
Ready
H/P
L/R Out
UART
SYSTEM EEPROM X 1
(1Mb)
HDMI
S/W
(HDCP
EEPROM)
M-Remote
Module
I2C
Sub Micom
(sanyo)
Wireless Ready
I2C
USB
HUB IC
Air
TUNER
(Sub)
TUNER
(Main)
D-
DEMOD
(Sub)
RF
Splitter
RF
Switch
Cable
A-
DEMOD
(Sub)
A-
DEMOD
(Main)
D-
DEMOD
(Main)
Air
TUNER
(Sub)
TUNER
(Main)
D-
DEMOD
(Sub)
RF
Splitter
RF
Switch
Cable
A-
DEMOD
(Sub)
A-
DEMOD
(Sub)
A-
DEMOD
(Main)
A-
DEMOD
(Main)
D-
DEMOD
(Main)
TS_S/P
COMP2
HDMI
HUB IC
51P
URSA5
51P
41P
2
Dual_TUNER/CHB (한국/북미)
CHB
(LG1140)
Dual Tuner
(H/NIM+F/NIM)
Or
H/NIM
TU_RESET, TU_RESET_SUB
I2C(Main)
IF
_AGC
IF
_N/P
I2C(Sub)
CHBO_TS_DATA[S],
CLK, Sync,VAL_ERR
CHB_reset
TU_SIF
Main SoC
AGCI
<ATSC>
FEAINP/N
S
C
L
/DA
0_
3.3V
0_
3.3V
SCL/DA3_3.3V
TU_CVBS
CHB_C
V
B
S
RF_SW_CTL1/2
CHB_TS_DATA[S]
CLK.SYNC/VAL
IF_AGC_MAIN
IF_N/P_MAIN
VDEC
(TW9910)
TW9910_reset
TW9910_
DATA[P]
CLK
SCL/DA1_3.3V
4
9
BCM
35230(B0)
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