LG 47LH80YD (CHASSIS:LB91F) Service Manual ▷ View online
- 17 -
SATURN 5
SU
B_
SCL
SU
B_
SD
A
NVRAM
EEPROM
NT
P3
100
IC101
0xA0
IC400
0x54
SD
A
0
SC
L
0
FR
C
MEMC_
S
D
A
MEMC_
S
CL
IC701
0x
XX
HD
M
I1
HD
M
I0
MICOM
W
E
LT
REND
SD
A
1
SC
L
1
IC902
0x50
MICOM_SD
A
MICOM_SCL
IC100
0x
XX
MICOM_ISP_SD
A
MICOM_ISP_SCL
WIREL
E
S
S
_
S
CL
W
IR
E
LESS
_SD
A
IR & LED B/
D
EY
E_
L
E
D
_
S
C
L
EY
E_
L
E
D
_
S
D
A
I2C +5V
I2C +3.3V
HD
M
I0
HD
M
I1
H
D
MI1_S
D
A
H
D
MI1_S
CL
ATM
EL
IC102
0x70
CM321
2
IC101
0x90
IR & DIGIT
A
L
E
Y
E & MOVIN
G LED
HD
M
I
J
A
C
K
H
D
MI0: WIREL
ES
S (WITH R
X
B/D)
H
D
MI1: W
IREL
D (
A
V
BOX) & OTH
ER
S
DDC
ED
ID
IC300
MOVING LED
HDCP
EEPROM
IC105
0xA8
EY
E-
Q
MAIN I2C LOAD MAP
BLOCK DIAGRAM_TV
- 18 -
+5V_
S
T
IC602
A
P
1117E33G
LDO
Q60
6
FET
IC600
SC421
5
LDO
+3.3
V_ST
+3.3V_
A
VDD_MP
LL
+5V
+3.3
V
+3.3V_MEMC
+1.2
6_M
EM
C
+1.8V_DDR
+3.3
V_ST
_MICOM
IC701
IC100
IC100
/IC10
1/IC
102
/IC10
3/IC
1
05/
IC40
0/IC9
02/
SUB_BD
BOOT
STR
A
P
/SCL1+SD
A
1
IC605
_EN
IC100
/IC10
4(HW_RESET
)
IC700
/IC70
1
Q30
0
/IC5
00/
IC50
3/
IC505
RL_ON/INV_CT
L/MEMC_RESET
/LED_ON/KEY
IC902
IC300
RS-232/FR
C_ISP
SUB_BD/
A
C
_DE
T
/P
OWER_DET
/RL_ON
Q60
8
TR
IC601
MP221
2DN
DC/DC
+3.3
V_VDDP
IC100
IC401
A
Z
1117
LDO
+1.8
V_
A
M
P
IC400
+1.8V_S_DDR
IC100
/IC20
0/IC
201
IC608
A
P
E895
3
LDO
+5V_
GENERA
L
IC603
_EN/IC
608
_
E
N
POWER_DET
/INV_CT
L/SCL0+SD
A
0
IC605
M
P
221
2
DC/DC
+1.2
6V
_VDDC
IC100
EAN
57653801
0IPMGS
10
1
0
A
EAN
57770801
MAIN POWER MAP_1
BLOCK DIAGRAM_TV
- 19 -
Q60
6
FET
12V
_
T
CON
+12V
IC603
MP221
2DN
DC/DC
+5V_
EXT
MODULE
+24V
+24V
_
A
M
P
IC400
IC506
IC606
MP221
2DN
DC/DC
+1.8V_MEMC
IC701
POWER_DET
I50
1
MP221
2DN
DC/DC
+5V_Wir
e
le
ss
P502 (RX BO
A
R
D)
+1.8V_FRC_DDR
IC800
/IC80
1
LIPS: +
20V
PSU: +
2
4V
MAIN POWER MAP_2
BLOCK DIAGRAM_TV
- 20 -
MSTAR
SATURN6
[MSD3368GV]
RGB
COMP
ON
ENT
1
AV
1
AV
1_
CVBS
_
IN
DS
UB_
R
/G
/B
FE_
VMAIN
TS_
D
A
T
A
[0:7]
SP
DI
F
SP
DI
F_
O
U
T
DS
UB_
H
/VS
YNC
AUDI
O
IN
DGB_T
X/R
X
USB
P
C
M_A[0:7]
A
D
D
R
_
D
[0:1
5]
B
D
D
R
_
D
[0:1
5]
A
D
D
R
_
A
[0:1
2]
U
SB Pow
er
B
D
D
R
_
A
[0:1
2]
US
B_D
M
/D
P
HDMI
1/2/3/4R
ear : 3
Front :1
T
M
D
S
[0:7]
HDMI
_C
EC
HP
D
5V
_H
DMI
I2S
30P
W
afer
:
rear
ja
ck
b
’d
&
m
a
in b
’d
(P1200
)
To
T
V
For
wi
re
le
s
s
H
D
M
I In
HDMI
Out
I2C
IR
(F
o
r test)
LV
D
S
TTL
I2C
SPI
_
CK/C
S
/D0/D1
Re
ar jack
b’d
IF
FE_
SI
F
COMP
ON
ENT
2
AV
2
AV
2_
CVBS
_
IN
COMP1_Y
/P
b/Pr
COMP2_Y
/P
b/Pr
Can
T
un
e
r
(TDVW
-H154F)
Demodul
a
tor
(LGDT330
5)
R
S
-232
C
(M
A
X
32
32
CD
R)
H
D
M
I Sp
litter
(PI3H
DMI1210)
HDMI
Transmitter
(S
iI
91
34
)
LV
D
S
R
ece
iv
e
r
(THC6
3L
V
D
1
024)
Ser
ia
l F
la
s
h
For
Boot
DD
R2 SDR
AM
(1Gbit)
HYNIX
DD
R2 SDR
AM
(512Mbit)
HYNIX
MI
CO
M
We
ltrend
NA
ND
F
la
s
h
HYNIX
(64MB)
EEP
RO
M
A
T
24C5
12
MIC2009Y
M6-TR
U
SB Pow
er
HDMI
4:1 Sw
itch
(TDA
999
6)
Simple Block Diagram
BLOCK DIAGRAM_AV BOX
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