Read LG 19LH20R (CHASSIS:LP91A) Service Manual online
USB_DN
USB_DP
SIDE_LIN
SIDE_RIN
5.6B
ZD203
SIDE_V
PPJ218-01
JK201
5C
[RD]CONTACT
2C
[RD]U_CAN
4C
[RD]O_SPRING
2B
[WH]U_CAN
3B
[WH]C_LUG
2A
[YL]U_CAN
5A
[YL]CONTACT
4A
[YL]O_SPRING
5.6B
ZD202
USB DOWN STREAM
KJA-UB-4-0004
SIDE_USB
JK204
1
2
3
4
5
IR_OUT
+3.3V_MST
TXD
4.7K
R204
ST3232CDR
IC200
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
4.7K
R205
RXD
KCN-DS-1-0088
JK200
1
2
3
4
5
6
7
8
9
10
+3.3V_MST
+5VST_MST
6630TGA004K
KCN-DS-1-0089
JK202
1
RED
2
GREEN
3
BLUE
4
GND_1
5
DDC_GND
6
RED_GND
7
GREEN_GND
8
BLUE_GND
9
NC
10
SYNC_GND
11
GND_2
12
DDC_DATA
13
H_SYNC
14
V_SYNC
15
DDC_CLOCK
16
SHILED
SD05
ZD200
DSUB_SDA
PC_VS
SD05
ZD201
ENKMC2837-T112
D211
A
A C
C
PC_B
ENKMC2837-T112
D210
A
A C
C
PEJ024-01
JK203
6B
T_TERMINAL2
8
SHIELD_PLATE
7B
B_TERMINAL2
5
T_SPRING
4
R_SPRING
7A
B_TERMINAL1
6A
T_TERMINAL1
3
E_SPRING
DSUB_SDA
PC_AUD_R
PC_G
DSUB_SCL
CAT24C02WI-GT3
IC201
3
A2
2
A1
4
VSS
1
A0
5
SDA
6
SCL
7
WP
8
VCC
ENKMC2837-T112
D212
A
A C
C
DDC_WP
PC_HS
PC_AUD_L
+5V_MULTI
DSUB_SCL
PC_R
CDS3C30GTH
30V
D202
CDS3C30GTH
30V
D203
ADUC30S03010L_AMODIODE 30V
D200
ADUC30S03010L_AMODIODE 30V
D201
30V
D206
30V
D205
ADUC30S03010L_AMODIODE
30V
D204
ADUC30S03010L_AMODIODE
30V
D209
30V
D208
READY
30V
D207
READY
USB_DL_N
USB_DL_P
0
REAR_USB
R229
0
REAR_USB
R230
USB DOWN STREAM
UB01123-4HHS-4F
JK205
REAR_USB
1
2
3
4
5
0.1uF
C203
0.1uF
C200
0.1uF
C201
0.1uF
C202
0.01uF
C205
0.1uF
C204
0.1uF
C206
0.1uF
C207
100
R202
100
R203
75
R227
220K
R223
READY
220K
R222
READY
12K
R226
12K
R228
75
R211
75
R212
75
R213
4.7K
R214
4.7K
R215
220K
R231
220K
R232
10K
R233
10K
R234
12K
R235
12K
R236
4.7K
R220
4.7K
R221
100
R216
100
R217
100
R218
0.1uF OCP_READY
C208
MIC2009YM6-TR
OCP_READY
IC202
3
ENABLE
2
GND
4
FAULT/
1
VIN
6V
O
U
T
5I
L
IM
IT
10uF OCP_READY
C209
120OHM
OCP_READY
L200
+5V_USB
1K
OCP_READY
R209
4.7K OCP_READY
R210
0
Non_OCP
R237
10uF
6
.3
V
C210
USB_DL_N
USB_DL_P
68
R207
68
R208
68pF
C213
68pF
C211
4.7K
R219
READY
0
R200
0
R201
500
L201
220uF
16V
C212
100uF
16V
C214
KDS226
D213
OCP_READY
A
AC
C
510 OCP_READY
R238
160
OCP_READY R206
10K
R224
10K
R225
IR_OUT
USB
It’s possibel to 27~47ohm
** 1A Design
SIDE AV
RS-232C (CI ITEM)
PC EDID
PC
PC SOUND
Pin to Pin with
EAN43439401
Close to SIDE_USB
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.
INPUT2
Click on the first or last page to see other 19LH20R (CHASSIS:LP91A) service manuals if exist.