LG 72LM9500-DA (CHASSIS:LT23J) Service Manual ▷ View online
L9 B0 board TS block
DVB
T2/C/S2
L9B0_D
TE
Parallel TS
Parallel TS
PHY
Parallel TS
L9B0_Ace
Demod
P0
P1
S0
S1
Serial TS
Parallel TS
Serial TS(CHB)
DIF
ATSC
With CHB
JACK INTERFACE
Main Chip
SC_DET
SC_CVBS_IN
DTV/MNT_V_OUT
MUX
IC2502
ATV_OUT
DTV/ATV_SELECT
SC_FB/ID_IN 2bit
SC_R/G/B 3bit
SC_L/R_IN
DSUB_R/G/B 3bit
DSUB_DET
RGB_DDC_SCL/SDA 2bit
Tuner
EEPROM
IC802/
R1EX24002ASAS0A
MICOM
EDID_WP
HP_L/ROUT
PC_L/R_IN
SPDIF_OUT
COMP_Y+/Pb+/Pr+
COMP_DET
AV_CVBS_IN
AV_L/R_IN
AV_CVBS_DET
SPDIF
PC_Audio
Earphone Block
RGB
SCART
USB3
$0.055
USB2
$0.055
USB1
$0.055
Wi-Fi
$0.044
DC-DC
$0.145
DC-DC
(4A)
+ OCP
$0.24
OCP
Fixed
1.2A
OCP
1.8A
HDD Only
External
Hub Only
Hub Only
( 4:1 or 6:1)
400mA
12V
18W
GP4 USB 3_Mid / High Power Block Diagram (Typ)
1.2A
24V
10W
0.4A
OCP
Fixed
1.2A
* DC-DC 효율 미 고려
0.8A
5V_Normal
MHL
OCP
0.8A
DC-DC
0.3A
5V
Tol. 20%
Tol. 20%
Tol. 10%
Tol. 10%
GP4 USB 3_High Block Diagram
내부 HUB
USB HUB
Wi-fi module
DP/DM
OCD /CTL
DP/DM
OCD /CTL
DP/DM
OCD /CTL
USB DP/DM
USB DP/DM
USB1
USB2
USB3
/ External Hub
EXT_INTR0
GPIO79
BT_USB_DP/DM
USB_DP/DM1
USB_DP/DM2
SOC
L9_A0
PCBA
*L9_B0에서는 내부 Hub 삭제 예정
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