DOWNLOAD LG 37LG7000 (CHASSIS:LD88F) Service Manual ↓ Size: 3.83 MB | Pages: 37 in PDF or view online for FREE

Model
37LG7000 (CHASSIS:LD88F)
Pages
37
Size
3.83 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
37lg7000-chassis-ld88f.pdf
Date

LG 37LG7000 (CHASSIS:LD88F) Service Manual ▷ View online

- 25 -
FLI10620H
Bluetooth 
Module
IC904
UPD720114
USB Hub
USBUP_DP
USBUP_DM
BLUE_DP
BLUE_DM
USB20_1_DP
USB20_1_DM
Bluetooth Module
MIPS
IC101
LBMS-2C66B4
BLUE_DP
BLUE_DM
M101
Audio   : PCM
Picture : JPEG
3. Bluetooth
- 26 -
Level 
generator
0V, 6V,11V
12V->3.3V Level shifter
REC8 Ctrl1
REC8 Ctrl2
DTV/MNT_VOUT
Scart2 ID
Recording Ctrl
Scart1 FB
Scart1 CVBS
                 
TUNER_VOUT
NLASB3157
Video S/W
TR BUF
Scart1 R,G,B
12V->3.3V Level shifter
Scart1 ID
Rear R
Rear L
Scart1 L/R
TV OUT L/R
Level Adj
LM324 [6dB]
23:GND
22:GND
21:safety GND
20:CVBS in
19:CVBS out (TV out)
18:RGB Control GND
17:video GND
16:SCART FB
15:Red
14:data GND
13:red GND
12:data1
11:Green
10:data 2
9:green GND
8:SCART ID
7:Blue
6:audio L in
5:blue GND
4:audio GND
3:audio L out (TV)
2:audio R in
1:Audio R out (TV)
SCART 1
23:GND
22:GND
21:safety GND
20:CVBS in
19:CVBS out
(DTV out)
18:
17:video GND
16:
15:C in
14:data GND
13:GND
12:data1
11:CVBS in
10:data 2
9:GND
8:function select
7:CVBS in
6:audio L in
5:GND
4:audio GND
3:audio L out (DTV)
2:audio R in
1:Audio R out (DTV)
SCART 2
[LBADC_IN4]
[A2P],[B2P],[C2P]
[A4P]
[C4P]
[SCART_FB]
[AUD_IN_L1,R1]
TR Adj
[15]VIDEO
[AUD_OUT2_L,R]
TR BUF
TR Net
[GPIOA4]
MUTE_LINE
TR Adj
[SV3P]
TU_MAIN
LPF
Level Adj
Scart1 Link
VXO_DE
Scart2 CVBS
[SV4P]
[VXI_D15]
[VXI_D16]
Scart2 ID
[LBADC_IN5]
[VDAC_GY_YC_P]
[VOUT2]
TR AMP [6dB]
[VXO_D13]
DTV/MNT switch Ctrl
Level Adj
Scart2 Link
VXO_VS
Scart2 L/R
Level Adj
[AUD_IN_L2,R2]
LM324 [6dB]
[AUD_OUT1_L,R]
TR BUF
TR Net
 
            
    
[GPIOA5]
MUTE_LINE_DTV
DTV/MNT L/R
LPF
LPF
Level Adj
Level Adj
[SV2P]
[AUD_IN_R4]
[AUD_IN_L4]
Rear CVBS Link
[VXO_D1]
FLI10620H
MICOM
MICOM
TUNER
Rear CVBS
4. SCART 1, 2, AV3
- 27 -
CO
M
P
_
Y
CO
M
P
_
P
B
CO
M
P
_
P
R
VG
A
_
R
VG
A
_
B
VG
A
_
G
HS
Y
N
C
VS
Y
N
C
ED
ID
 
EE
P
R
O
M
A
T
24
C
02B
N
D_
S
U
B_
I2
C
CO
M
P
_
L
CO
M
P
_
R
PC
 L
,R
[A
3
P
]
[B
3
P
]
[C
3
P
]
[V
X
O
_
D
0
]
[A
U
D
_
IN
_
L
3
]
[A
V
S
]
[
A
HS
_
A
CS
]
[R
_
G
R
A
]
Le
v
e
l Ad
j
Le
v
e
l Ad
j
[A
U
D
_
IN
_
R
3
]
CO
M
P
 L
in
k
[G
_
G
R
A
]
[B
_
G
R
A
]
74H
C
1
4D
S
c
h
m
it
t t
ri
gge
ri
n
g
 
Us
a
g
e
 :
 B
U
F
[V
X
O
_
H
S
]
RG
B
 L
in
k
[A
U
D
_
IN
_
L
5
,R
5
]
HDM
I 2
 T
M
D
S
[
8
b
it
]
DD
C
 H
D
M
I2
 I2
C
ED
ID
 
AT2
4
C
0
2
B
N
HDM
I 3
 T
M
D
S
[
8
b
it
]
DD
C
 H
D
M
I3
 I2
C
 
ED
ID
 
AT2
4
C
0
2
B
N
H
D
MI
 S
W
 TMD
S
HD
M
I I
2
C
 [
S
W
]
[G
P
IO
A
0
]
[G
P
IO
A
1
]
HDM
I S
e
le
c
t 1
HDM
I S
e
le
c
t 2
CEC_
REMO
TE
[
G
P
IOB
1
]
[2
W
IR
E
_
S
2
]
[2
W
IR
E
_
S
0
]
[
D
SD
A
1
,D
SC
L
1
]
HD
M
I B
U
F
 T
M
DS
DDC
 H
D
M
I4
 I
2
C
ED
ID
 
AT
2
4
C
0
2
B
N
[2
W
IR
E
_
S
1
]
[A
R
X
]
[B
R
X
]
[
V
X
O
_
D
20]
[
V
X
O
_
D
21]
HD
M
I2
 5
V
 DE
T
HD
M
I3
 5
V
 DE
T
HD
M
I4
 5
V
 DE
T
[V
X
O
_
C
L
K
]
HP
 D
E
T
 S
/
W
4
[
V
X
I_
D
23]
HP
 D
E
T
 S
/
W
3
HP
 D
E
T
 S
/
W
2
[
H
DM
I_
A
_
HP
D]
[H
D
M
I_
B
_
H
P
D
]
[
V
X
O
_
D
22]
FE
T
 B
i-B
U
F
NLASB3157
IC502
2 R
X
CH
A
P
L
IN
 R
X
UC
OM
 R
X
3 T
X
UCO
M
 T
X
CH
A
P
L
IN
 T
X
6 R
X
4T
X
G
-
pr
obe
F
L
I1
0620
H
MI
C
O
M
MI
C
O
M
BU1
60
27
IC2
00
MA
X3
232C
DR
IC1
04
HP
 D
E
T
 S
/
W
1
HD
M
I1
 5
V
 DE
T
HDM
I 1
 T
M
D
S
[
8
b
it
]
DD
C
 H
D
M
I2
 I2
C
ED
ID
 
AT
2
4
C0
2
B
N
[
V
X
O
_
D
19]
5. Component, RGB, HDMI, RS232
- 28 -
CI
_
T
S
[
0
:7
]
Tu ner
( TDFV-G13 5D1 )
TU30 0
7
4
L
V
C
5
4
1
A(
PW
)
Buf
fer
IC
400
PCM CI A
Car d
74L
V
C
245A
B
i-
B
u
ffe
r
IC
402
HO
S
T
 D
A
T
A
[
0
:7
]
F
E
_
T
S
[
0:
7]
H
O
ST
 Ad
d
re
s
s
[
1
:2
4
]
HOS
T
 DA
T
A
[
0
:1
5
]
FL
A
S
H
 W
P
 C
tr
l
[O
O
B
_
C
T
X
]
R
ESE
T
[
G
P
IOE
7
]
HO
S
T
 W
rit
e
 E
n
a
b
le
[P
O
D
_
W
E
_
H
O
S
T
_
W
R
]
H
O
ST
 O
u
t En
a
b
le
[
P
O
D
_O
E
_
H
O
S
T
_RD
]
HO
S
T
 C
h
ip
 E
n
ab
le
[
H
OS
T
_
B
O
OD
_
C
S
_
N
]
CI
 D
A
T
A
[
0
:7
]
[P
O
D
_
D
IR
_
N
]
CI
 DA
T
A
 Di
r S
e
le
c
t
CI
 De
te
c
t
[
P
O
D
_
D
ET
EC
T
_
N
]
CI
 De
te
c
t
T
S
_
IN
[
0:
7]
74L
C
X
244M
T
C
Buf
fer
IC
403
HO
S
T
 A
d
d
res
s
[
0:
3
]
P
O
D
 A
d
d
res
s
[
0:
3
]
C
I A
d
d
ress
[
0:
7]
74L
C
X
244M
T
C
Buf
fer
IC
406
HO
S
T
 A
d
d
res
s
[
10
:1
3
]
P
O
D
 A
d
d
re
s
s[
8
;9;
14]
HO
S
T
 A
d
d
res
s
[
4]
74L
C
X
244M
T
C
Buf
fer
IC
405
REG
CI
 De
te
c
t
CI
 De
te
c
t
C
I A
d
d
re
s
s[
8:
14]
CI
 De
te
c
t
[
P
O
D
_O
E
_
H
O
S
T
_RD
]
H
O
ST
 O
u
t En
a
b
le
CI
 Ou
t E
n
a
b
le
HO
S
T
 W
rit
e
 E
n
ab
le
CI
 W
ri
te
 E
n
a
b
le
HO
S
T
 A
d
d
res
s
[
6]
CI
 IOR
D
 
HO
S
T
 A
d
d
res
s
[
5]
CI
 IOW
R
 
F
E
_T
S
_
D
A
T
A
_V
A
L
CI
_
M
IV
A
L
F
E
_
T
S_
D
A
T
A
_
SYN
CI
_
M
IS
T
R
T
F
E
_T
S
_
D
A
T
A
_C
L
K
CI
_
M
IC
LK
Tuner
(TDFV-G135D1)
TU300
NAN
D
 F
la
s
h
 
F
L
I1
0620
H
MI
C
O
M
6. Tuner, CI
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