LG 42LX6500-SD (CHASSIS:LJ03R) Service Manual ▷ View online
7
7. I
2
C Connections
LGE3549
LGE3549
CH1
CH2
CH3
I2C2_3.3V
I2C3_3.3V
AMP
NTP7000
0x54
AMP
NTP7000
0x54
CH0
I2C0_3.3V
ATSC
Tuner
Tuner
0xC2
ATSC
Tuner
Tuner
0xC2
MICOM
UDP78F
0x52
MICOM
UDP78F
0x52
VIDEO DEC
TW9910
0x88
VIDEO DEC
TW9910
0x88
HDMI Switch
TDA19997
0xC0
HDMI Switch
TDA19997
0xC0
LOCAL DIMMING
LG5111
0x1E
LOCAL DIMMING
LG5111
0x1E
NVRAM
M24M01
0xA8
NVRAM
M24M01
0xA8
I2C1_3.3V
P-GAMMA
/ T-CON buffer
P-GAMMA
/ T-CON buffer
SUB/Woofer AMP
NTP7000
0x56
SUB/Woofer AMP
NTP7000
0x56
FRC
LG1120
0x1C
FRC
LG1120
0x1C
LX9500 Only
Demode
MN884433
Demode
MN884433
Wireless
USB
Wireless
USB
T-CON
TL2425MC
T-CON
TL2425MC
8
P802
P803
L801
3A
L802
3A
L301
3A
VLCD_POWER
IC301
MP8706EN
3A
+3.3V
L307
3A
IC302
SC414MLTRT
3A
+2.5VQ
IC600
TPS65162
VDD_LCM (+16V)
VGH_I (+24V)
VGH_H (+24V)
VCC_LCM (+3.3V)
VGL (-5V)
Q700
FET
Q702
FET
IC700
MAX15023
+3.3V_TCON
+1.8V_TCON
Q701
FET
IC701
MAX15026
HVDD_R
R600
R601
VGH
LCD
Module
P805
P806
3D_only
8. Power Diagram:12V (VLCD_POWER)
9
FRC
FRC
TCON
TCON
3DF
3DF
DTV Main Board
T-Con Board
240Hz
DTV
SoC
DTV
SoC
HDMI
DTV
USB
60Hz
240Hz
LVDS 2Ch
LVDS 8Ch
LVDS 8Ch
Active 240Hz LCD TV
Active 240Hz LCD TV
512Mb x 2
512Mb x 2
9. System Configuration : 3D LCD TV
3D Chip
Display Format
Input Format
R
L
R
Frame-by-Frame
L
R
L
R
HDMI 1.3
HDMI 1.4
Frame Packing
R
L
R
L
R
-IOP(LX9500)
-Edge(LX6500)
-Edge(LX6500)
-IOP(LX9500)
-Edge(LX6500)
-Edge(LX6500)
Module
3D Formatter In/Out type
3D Formatter In/Out type
10
10. Trouble shooting – 3D Mode view error (no Depth, like 2D mode)
Change the 3D Glasses
ok
Check 3D_SYNC Line
- Main P7800 49pin
- Formatter P802 2pin
Check 3D Emitter of Main - P2401 1pin :
5V
Check Q906,7 of Formatter B/D
Maybe FPGA or FRC has problems.
Replace It or 3D Formatter B/D
Replace 3D Glasses
Check 3D Emitter of IR Assy – 1pin : 5V
Replace 3D Emitter Assy
ok
No
Replace Q906,7 of Formatter B/D
ok
No
No
No
No