LG 32LV2130 (CHASSIS:LP91U) Service Manual ▷ View online
- 17 -
BLOCK DIAGRAM
EEP
ROM
R1EX
24
00
2
RGB-PC
(JK20
2)
Tuner
(TU600)
Compon
ent
(JK10
1)
A
V
_L
IN
/R
IN
:
500mVrms
SPK_L
SPK_R
AV
_
V
IN
:
1Vpp
N
T
P7100
COM
P_Y/Pb/Pr
HD
M
I_DA
T
A
0
TU_M
A
IN
AV
_
V
IN
C
O
MP_
L
IN
/R
IN
L_CH
R_CH
A
V
_L
IN
/R
IN
PC-SOU
N
D
(JK20
3)
I2S_
MC
L
K
I2S_
S
D
O
I2S_W
S
I2S_
S
C
K
TMDS
EE
PRO
M
(A
T24
C256
C
)
Se
rial
Flas
h
(MX2
5L
6
4
)
EE
PRO
M
HDCP
(2
4WC0
8)
EEP_SCL/
SDA
EEP_SCL/
SDA
TXCE
2
±±
TXCE
3
±±
TXCL
KE
±±
TXCE
1
±±
TXCE
0
±±
TXCO1
±±
TXCO3
±±
TXCO2
±±
TXCO0
±±
TXCL
KO
±±
M_SCL/SD
A
Main scaler
Matrix
(L
G
E
4767A
)
(I
C
800
)
IC30
2
T
U
600
IC
802
IC
803
IC
801
IC
501
M
_SCL
/S
D
A
SIDE
REAR
HD
M
I3
(JK30
3)
US
B
(JK20
4)
R
S
-232
C
(JK20
0)
HD
M
I1
(JK30
1)
HD
M
I2
(JK30
2)
EEP
ROM
R1EX
24
00
2
IC30
1
EEP
ROM
R1EX
24
00
2
IC30
0
DDC
_S
C
L
/SD
A
1
DDC
_S
C
L
/SD
A
2
DDC
_S
C
L
/SD
A
3
Contr
o
ll
e
r
M
A
X3232
C
D
R
IC20
0
RX
D
/TXD
EEP
ROM
R1EX
24
00
2
IC20
1
DS
UB
_SCL/S
D
A
S
P
I_
C
Z
/D
O
SPI
_
CLK/DI
HD
M
I_DA
T
A
1
HD
M
I_DA
T
A
2
U
S
B DN/DP
P
C
_
R
/G/B
PC_VS
/H
S
TXD/
R
X
D
PC_A
UD_L/
R
TXCO4
±±
TXCE
4
±±
P402
P405
HD LV
DS c
onne
ctor
DDR2 SDR
A
M
(512
M
B
y
te
)
IC
900
DD
R2_C
K
E
DD
R2_WEZ
DD
R2_DQS0 ±
±
DD
R2_M
CLK
DD
R2_BA
0/
1
DD
R2_DQS1
±±
DD
R2_ODT
DD
R2_DQM
0/
1
51
P FHD L
VDS
co
nne
ctor
P401
P404
30
P FHD L
VDS
co
nne
ctor
A
udi
o
out_L/
R
COM
PON
ENT_L/R
:
500mVrms
CO
M
P
O
N
ENT_Y
/Pb/
P
r
:
1/0.7Vpp
A
udi
o
out_L/
R
:
5
00m
Vrms
AV
(JK10
3)
A
udi
o
out
(JK10
2)
OP A
m
p
A
S324M
T
R
IC
50
2
M
N
T_L/R_A
M
P
A
udi
o
A
m
p
TPA
3124
IC21
00
Hotel opt
ion
f
o
r China
M
A
IN
_SIF
LED d
ro
v
e
r
(M
A
X
16814
)
IC
100
P7701
5P conn
ec
tor
PW
M
_
DIM
WLED
_ENA
BLE
(I
NV_
CTL)
12P
/15P
co
nn
e
c
tor
P400
(15P
)
P403
(12P
)
SUB_S
CL/SD
A
, L
E
D_R
IR
, K
E
Y
1
/2
Only
for 22î
TN module
- 18 -
A2
A21
A10
A5
* Set + Stand
* Stand Base + Body
300
310
200
810
900
910
710
120
400
LV
1
530
540
521
EXPLODED VIEW
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
parts are identified by in the Schematic Diagram and EXPLODED VIEW.
It is essential that these special safety parts should be replaced with the same components as
recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.
Do not modify the original design without permission of manufacturer.
IMPORTANT SAFETY NOTICE
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
10/12/29
INPUT1
ZD103
SD05
COMP_PB_IN
R118
12K
R121
75
R104
220K
220K
COMP_PR_IN
D100
30V
R107
75
COMP_L_IN
ZD101
SD05
ZD102
SD05
R113
10K
JP108
ZD100
SD05
R100
220K
220K
R108
75
COMP_R_IN
D101
30V
R109
75
COMP_Y_IN
R114
10K
R117
12K
JK101
PPJ234-01
5A
[GN]O-SPRING
6A
[GN]E-LUG
4A
[GN]CONTACT
7B
[BL]E-LUG-S
5B
[BL]O-SPRING
7C
[RD]E-LUG-S
5C
[RD]O-SPRING_1
5D
[WH]O-SPRING
4E
[RD]CONTACT
5E
[RD]O-SPRING_2
6E
[RD]E-LUG
JK103
PPJ233-01
4A
[YL]O-SPRING
5A
[YL]E-LUG
3A
[YL]CONTACT
4B
[WH]C-LUG
5C
[RD]E-LUG
4C
[RD]O-SPRING
3C
[RD]CONTACT
ZD104
SD05
ZD105
SD05
CVBS_V_IN
R110
75
R119
12K
D104
30V
R115
10K
R111
220K
220K
CVBS_L_IN
D105
30V
30V
R112
220K
220K
R120
12K
12K
CVBS_R_IN
R116
10K
MUTE_AUDIO_OUT
ZD107
30V
C102
10uF16V
AUDIO_OUT
C103
5600pF
50V
5600pF
50V
ZD106
30V
C104
5600pF
50V
5600pF
50V
R123
1K
AUDIO_OUT
R124
1K
AUDIO_OUT
R122
0
MUTE_AUDIO_OUT
R125
0
MNT_L_OUT
C101
10uF 16V
AUDIO_OUT
MNT_R_OUT
EXT_SPK_L
R102
0
0
EXT_SPK
EXT_SPK_R
R103
0
0
EXT_SPK
JK102
PPJ241-02
3
[WH]L_OUT
5
[WH]GND
4
[RD]R_OUT
6
FIX_TER
Q104
MMBT3904(NXP)
E
B
C
Q106
MMBT3904(NXP)
E
B
C
Q103
MMBT3904(NXP)
E
B
C
Q105
MMBT3904(NXP)
E
B
C
1 12
COMPONENT / AV IN / AUDIO OUT
LP91U
EAX64049202
REAR AV
COMPONENT
AUDIO_OUT
POP NOISE
POP NOISE
’11 ATV(H6R)
U
S
B
D
O
W
N
S
T
R
E
A
M
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
10/12/29
INPUT2
IR_OUT
+3.5V_MST
TXD
R204
4.7K
4.7K
R205
4.7K
4.7K
RXD
+3.5V_MST
ZD200
SD05
DSUB_SDA
PC_VS
ZD201
SD05
PC_B_IN
DSUB_SDA
PC_AUD_R_IN
PC_G_IN
DSUB_SCL
DDC_WP
PC_HS
PC_AUD_L_IN
DSUB_SCL
PC_R_IN
D202
30V
CDS3C30GTH
D203
30V
CDS3C30GTH
D200
30V
D201
30V
D204
30V
D209
30V
C203
0.1uF
16V
0.1uF
16V
C200
0.1uF
16V
C201
0.1uF
16V
0.1uF
16V
C202
0.1uF
16V
C205
0.01uF
0.01uF
R202
100
R203
100
R211
75
R212
75
R213
75
R214
4.7K
4.7K
R215
4.7K
4.7K
R231
220K
R232
220K
R233
10K
R234
10K
R235
12K
R236
12K
R220
4.7K
4.7K
R221
4.7K
R216
100
100
R217
100
100
R218
100
100
C208
0.1uF
50V
0.1uF
50V
READY
C209
10uF
16V
10uF
16V
READY
L200
120OHM
READY
+5V_USB
R209
1K
READY
R210
4.7K
4.7K
READY
R237
0
C210
10uF
6.3V
10uF
6.3V
R207
68
68
R208
68
C213
68pF
50V
68pF
50V
C211
68pF
50V
68pF
50V
R219
4.7K
4.7K
READY
L201
500
C212
220uF
16V
220uF
16V
C214
100uF
16V
100uF
16V
D213
READY
A
AC
C
R238
510
READY
JK200
SPG09-DB-009
1
2
3
4
5
6
7
8
9
10
JK202
SPG09-DB-010
6630TGA004Q
RED
1
GREEN
2
BLUE
3
GND_1
4
DDC_GND
5
RED_GND
6
GREEN_GND
7
BLUE_GND
8
NC
9
SYNC_GND
10
GND_2
11
DDC_DATA
12
H_SYNC
13
V_SYNC
14
DDC_CLOCK
15
SHILED
16
JK203
PEJ027-01
PEJ027-01
6B
T_TERMINAL2
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
D211
ENKMC2838-T112
A1
C
A2
+5V_MULTI
R200
0
0
D207
30V
D208
30V
D210
30V
USB_DN
USB_DP
ZD204
30V
READY
ZD205
30V
READY
IC202
AP2191SG-13
READY
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
+3.5V_MULTI
JK204
3AU04S-305-ZC-(LG)
1
2
3
4
5
C204
0.1uF
16V
0.1uF
16V
IC201-*2
AT24C02C-SSHM-T
RGB_EEPROM_ATMEL
3
A2
2
A1
4
GND
1
A0
5
SDA
6
SCL
7
WP
8
VCC
IC200
MAX3232CDR
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
DOUT2
8
RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
IC201-*1
R1EX24002ASAS0A
RGB_EEPROM_RENESAS
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
IC201
CAT24C02WI-GT3
RGB_EEPROM_CATAL
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
2 12
USB
It’s possibel to 27~47ohm
** 1A Design
RS-232C
PC EDID
PC SOUND
Close to SIDE_USB
PC
’11 ATV(H6R)
LP91U
EAX64049202
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