LG 32LG40 (CHASSIS:LA89A) Service Manual ▷ View online
- 21 -
BCM3552
BCM3552
TMDS0 RX0+/-
TMDS0 RX1+/-
TMDS0 RX2+/-
TMDS0 RXCLK+/-
DDC SDA0
DDC SCL0
EEPROM
For EDID
HDCP SDA
HDCP SCL
NDA
NCL
HDMI 0
HDMI 1
HDMi –
C
E
C
+5V Power_0
Hot Plug Detect_0
TMDS1 RX0+/-
TMDS1 RX1+/-
TMDS1 RX2+/-
TMDS1 RXCLK+/-
DDC SDA1
DDC SCL1
EEPROM
For EDID
HDMi –
C
E
C
+5V Power_1
Hot Plug Detect_1
LVDS_Tx
Out
PI3HDMI341
TMDS0
INPUT
DDC SDA
DDC SCL
TMDS1
INPUT
TMDS RX0+/-
TMDS RX1+/-
TMDS RX2+/-
TMDS RXCLK+/-
Hot Plug Detect_0
TMDS
Out
TMDS0_Rx
Input
HDMi_Sel_0
HDMi_Sel_1
Hot Plug Detect_1
+5V Power_0
+5V Power_1
GPIO[0:8]
Switch
Selection
DDC
INPUT
MTV416
Micom
HDMI –
C
E
C
Parallel connections with
HDMI 0,1 / Side HDMI
EEPROM
for HDCP
DDC SDA0
DDC SCL0
DDC SDA1
DDC SCL1
DDC
OUT
Side HDMI
TMDS1_Rx
Input
EEPROM
For EDID
Hot Plug Detect_3
HDMI-CEC
HDMI Power 3
CM2021
Single LVDS
Connector
Digital out
WXGA(768P)
- 22 -
PW
M
M
O
D
U
L
A
TO
R
/
PO
W
E
R
A
M
P
[
N
T
P
3
000
]
SI
F
I
N
B
roa
dc
om
B
roa
dc
om
[
B
C
M
3552]
[
B
C
M
3552]
A
SPDIF OUT
HDMI_TMDS 0/1/Side/CLK
UD
_
S
HDMI_RX_DA
T
A/CLK
PD
IF
BC
M
_
M
C
L
K
I2
S
_
CL
K
_
IN
I2
S
_
D
A
T
A
_
IN
I2
S
_
L
R
_
IN
RE
S
E
T
I2
S
_
CL
K
_
OU
T
I2
S
_
D
A
T
A
_
O
U
T
I2
S
_
L
R
_
O
UT
(N
T
P
30
00)
I2
S
_
C
L
K
_
OU
T
/
DA
T
A
_
O
U
T
/
LR
C
H
OU
T
I2
C
S
C
L
/
S
D
A
OU
T
1
A
/
B
OU
T
2
A
/
B
SPK
R
SP
K
L
HD
M
I R
x
Bu
il
t
in
In
te
rn
a
l
I2
S
/
SPD
IF
C
o
nv
er
t
TUNE
R(
AT
SC/
NTS
C)
I2
C
S
C
L/
S
D
A
Buf
fe
r
SI
F
IF_
P
IF
_
N
IF
A
G
C
CV
B
S
FR
ON
T
E
N
D
B
C
M_
MC
LK
BT
S
C
De
c
o
d
e
r
MP
E
G
2
Do
lb
y
AUD
IO
P
ro
c
e
sso
r
S
id
e
AV
Au
d
io
HD
M
I
(P
C
/
D
T
V
)
HD
M
I
(P
C
/
D
T
V
)
DV
DP
A
u
d
io
RG
B A
u
d
io
Co
m
p
A
u
d
io
SP
D
IF
O
U
T
R
ear
A
V
A
u
d
io
[L
1
/
R
Switch
1]
[L
2
/
R
2
]
[L
3
/
R
3
]
[L
4
/
R
4
[Rout/Lout]
]
I2
C
S
C
L
/
S
D
A
Au
d
io
Sw
it
c
h
C
S
534
5
C
S
534
5
(I
2
S
I2S_CLK_IN/DA
T
A_IN
/LR IN
_M
C
L
K
)
AN
A
L/
R
B
C
M_
MC
L
K
- 23 -
BCM3552
BCM3552
AUDIO S/W(CS5345)
NTP3000
4.7K
Ω
5.0V
I2C_Channel 0
I2C_Channel 1
ATSC/NTSC Tuner
I2C_Channel 2
I2C_Channel 3
I2C0_5V
I2C1_3.3V
I2C3_3.3V
MTV416
4.7K
Ω
3.3V
4.7K
Ω
3.3V
HDCP Key EEPROM
Address
4.7K
Ω
3.3V
NVRAM
GPIO46, 47
(UART1)
GPIO 42
DVDP
T
x
/Rx
DVDP
T
x / Rx
MTV416
Micom
DISK_ENABLE
DISK CHECK
- 24 -
+12.0V
+12.0V
ST_5V
ST_5V
P_+16V
P_+16V
KA7809ER
KA7809ER
12V
Ë
9
V
KIA78R05F
KIA78R05F
P_+16V
ST_5V
ST_5V
AZ1117H-3.3
AZ1117H-3.3
ST_5V
ST_5V
SI4925(S/W)
SI4925(S/W)
+5.0V
+5.0V
5
V
Ë
3.3
V
MICOM
MICOM
T-CON
T-CON
MAX3232CDR
MAX3232CDR
IR(P401)
IR(P401)
MC14053BDR
MC14053BDR
3.3VST_MICOM
MICOM
MICOM
3.3VST_MICOM
HDMI_CEC
HDMI_CEC
+5.0V
BCM3552
BCM3552
+5.0V
CS5345
CS5345
+5.0V
AT24C512W
AT24C512W
+5.0V
AT24C02BN(5)
AT24C02BN(5)
+5.0V
PI3HDMI341ART
PI3HDMI341ART
+5.0V
FMS6400CS1X
FMS6400CS1X
+5.0V
CM2021
CM2021
AZ1117H-3.3
AZ1117H-3.3
NTP3000
NTP3000
+3.3V
+3.3V
DVDP Power
(DSS-863)
12V : Loader ON / OFF
5V : Spindle (Disk Operation)
3.3V : IC Control
DVDP
DVDP
DVDP
Buffer TR
Buffer TR
9V Ë
5V
+5.0V
DVDP
DVDP
DVDP
AZ1117H-3.3
AZ1117H-3.3
5
V
Ë
3.3
V
3.3V
12V
+5.0V_SUB
+5.0V
HDMI _HDP
HDMI _HDP
+5.0V
Tuner
Tuner
DVDP
DVDP
DVDP
+5.0V
+5.0V_SUB
+5.0V_SUB
5
V
Ë
3.3
V
3.3V
TPS2052
TPS2052
MICOM
MICOM
3.3V
MC14053BDR
MC14053BDR
3.3V
NTP3000
NTP3000
3.3V
CS5345
CS5345
3.3V
CM2021
CM2021
3.3V
KIA78R05F
KIA78R05F
3.3V
L804
L804
3.3V_TMDS_SW
+3.3V
T-CON
T-CON
+3.3V
PI3HDMI341ART
PI3HDMI341ART
AZ1117H-1.8
AZ1117H-1.8
+1.8V_NTP
+1.8V
NTP3000
NTP3000
SC156515M
SC156515M
D3.3V_BCM
L806
L806
A3.3V_BCM
Flash Memory
Flash Memory
BCM3552
BCM3552
74LVC14APW
74LVC14APW
BCM3552
BCM3552
BD9132MUV
BD9132MUV
D1.2V_BCM
L808
L808
A1.2V_BCM
BCM3552
BCM3552
BCM3552
BCM3552
SC1566I5M
SC1566I5M
D2.6V_BCM
BCM3552
BCM3552
HY5DU561622ETP
HY5DU561622ETP
SC2595STR
SC2595STR
L805
L805
A2.6V_BCM
BCM3552
BCM3552
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