Read LG 19LD330 / 19LD340 / 19LD345 (CHASSIS:LP91H) Service Manual online
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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.
SIDE_LIN
SIDE_RIN
ZD203
5.6B
SIDE_AV
SIDE_AV
SIDE_V
ZD202
5.6B
SIDE_AV
IR_OUT
+3.5V_MST
TXD
R204
4.7K
4.7K
IC200
ST3232CDR
3
C1-
2
V+
4
C2+
1
C1+
6
V-
5
C2-
7
T2OUT
8
R2IN
9
R2OUT
10
T2IN
11
T1IN
12
R1OUT
13
R1IN
14
T1OUT
15
GND
16
VCC
R205
4.7K
4.7K
RXD
+3.5V_MST
ZD200
SD05
DSUB_SDA
PC_VS
ZD201
SD05
PC_B
DSUB_SDA
PC_AUD_R
PC_G
DSUB_SCL
IC201
CAT24C02WI-GT3
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
DDC_WP
PC_HS
PC_AUD_L
DSUB_SCL
PC_R
D202
30V
CDS3C30GTH
D203
30V
CDS3C30GTH
D200
30V
D201
30V
D206
30V
SIDE_AV
D205
30V
SIDE_AV
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
R227
75
SIDE_AV
R223
220K
220K
READY
R222
220K
220K
READY
R226
12K
SIDE_AV
R228
12K
12K
SIDE_AV
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
OCP_READY
C209
10uF
16V
10uF
16V
OCP_READY
L200
120OHM
OCP_READY
+5V_USB
R209
1K
OCP_READY
R210
4.7K
4.7K
OCP_READY
R237
0
Non_OCP
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
OCP_READY
A
AC
C
R238
510
OCP_READY
R224
10K
SIDE_AV
R225
10K
SIDE_AV
JK200
SPG09-DB-009
1
2
3
4
5
6
7
8
9
10
JK201
PPJ235-01
SIDE_AV
4A
[YL]O-SPRING
5A
[YL]E-LUG
3A
[YL]CONTACT
4B
[WH]O-SPRING
3C
[RD]CONTACT
4C
[RD]O-SPRING
5C
[RD]E-LUG
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
JK205
KJA-UB-0-0037
REAR_USB
1
2
3
4
5
R229
0
REAR_USB
USB_DL_P
R230
0
REAR_USB
USB_DL_N
USB_DL_P
USB_DL_N
IC202
AP2191SG-13
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
+3.5V_MULTI
JK204
KJA-UB-4-0004
SIDE_USB
1
2
3
4
5
2 9
INPUT2
2009/12/23
USB
It’s possibel to 27~47ohm
** 1A Design
SIDE AV
RS-232C
PC EDID
PC SOUND
Close to SIDE_USB
PC
LD330/LD420
LP91H
EAX61532102
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