LG 26LH200C / 26LH210C (CHASSIS:LP91Z) Service Manual ▷ View online
- 21 -
BLOCK DIAGRAM
LV
D
S
LGE
3
7
6
7
A
(I
C
800)
N
T
P
3
10
0L
(I
C
6
0
0
)
SP
(
R
)
SP
(
L
)
5V
_
T
U
N
E
R
EEP
R
O
M
SW
8
0
0
I2
C
_
A
_
T
U
KE
Y
1
/2
T V T u n e r
BO
O
S
T
E
R
SI
F
TV
_
C
V
B
S
D
S
U
B
_
R
/G
/B
P
C
_L
/R
_I
N
COM
P
_
Y
/P
b
/P
r
C
O
M
P
_L
/R
_I
N
D
S
U
B
_H
/V
_S
Y
N
C
S
C
32
32
(I
C
200)
DDC
/U
A
R
T-T
x
/R
x
EEP
R
O
M
HD
M
I_
I2C
DDC_
I2
C
*
2
CE
C
TM
D
S
*
2
US
B
_
D
M
/D
P
5V
_
H
D
M
I
IIS
MU
T
E
LE
D
_
G/
R
&
IR
LC
D
HD
/F
HD
Pa
n
e
l
RE
S
E
T
I2
C
I/
O
E
x
p
a
n
d
e
r
(I
C
101)
I2
C_
A
_
T
U
DDR
2
M
e
m
o
ry
512M
b
it
(
IC
900)
EEP
R
O
M
S
e
ri
al
F
la
s
h
M
e
m
o
ry
128M
b
it
(
IC
8
02
)
IR
&
C
o
n
tro
l
B/
D
24C
2
56
(I
C
801)
HP
D
*
2
74L
X
1
G
14C
(I
C
1300)
Buz
z
er
(B
U
1
300)
PW
M
LE
D
C
lo
c
k
B/
D
P
IC
16F
819
(I
C
1303)
I2
C
T
P
A
3
124D
2
(I
C
1001)
EX
T
_
S
P
K
(J
K
6
0
0
)
IR
_
O
U
T
(T
o
R
S
232
J
A
C
K
)
SI
4
9
2
5
(Q
1
2
0
5
)
5V
o
r 12V
O
U
T
(T
o
R
S
2
3
2
J
A
C
K
)
On
/O
ff
JL
C1
5
6
2
(I
C
1
0
1
)
I2
C
Co
n
tr
o
l 4
b
it
RJ
4
5
(J
K
9
0
0
)
S/
PD
IF
(J
K
7
0
5
)
Ex
t.
Vo
l C
tr
l
(J
K
602)
Au
d
io
Ou
t.
(J
K
6
0
1
)
- 22 -
300
510
200
800
400
540
900
120
122
500
804
560
801
805
550
802
530
803
A10
A2
LV
1
200T
200N
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.
CVBS_LIN
SD05
ZD100
SD05
ZD103
ZD103
SD05
ZD105
CVBS_VIN
CVBS_RIN
SD05
ZD104
SD05
ZD101
SD05
ZD102
30V
D101
30V
ADUC30S03010L_AMODIODE
D100
30V
D104
30V
D105
COMP2_Y
COMP2_PB
COMP2_PR
COMP2_L
COMP2_R
75
R109
75
R108
75
R107
220K
R104
12K
R118
12K
R117
12K
R119
12K
R120
10K
R113
10K
R115
10K
R116
220K
R100
220K
R111
220K
R112
75
R110
10K
R114
P P J 2 0 9 - 0 2
JK100
4A
[GN]CONTACT
2A
[GN]1P_CAN
3A
[GN]O_SPRING
2B
[BL]1P_CAN
5B
[BL]C_LUG_L
2C
[RD]1P_CAN1
5C
[RD]C_LUG_L
2D
[WH]1P_CAN
5D
[WH]C_LUG_L
2E
[RD]1P_CAN2
4E
[RD]CONTACT
3E
[RD]O_SPRING
P P J 1 4 8 - 1 0
JK101
4A
[RD]O_SPRING
2A
[RD]1P_CAN
5A
[RD]CONTACT
2
[WH]1P_CAN
3
[WH]C_LUG_L
2B
[YL]1P_CAN
4B
[YL]O_SPRING
5B
[YL]CONTACT
+12V_AUDIO
0 . 1 u F
50V
50V
C100
EXT_5V
0 . 1 u F
50V
50V
C101
+5VST_MST
2700pF
50V
C105
CB3216PA501E
L101
EXT12V_CTRL
+5VST_MST
RSR025P03
Q105
S
D
G
2SC3875S(ALY)
Q104
E
B
C
2SC3875S(ALY)
Q103
E
B
C
0 . 0 1 u F
50V
50V
C109
0 . 1 u F
50V
50V
C110
1N4148W
100V
D102
CB3216PA501E
L103
22uF
16V
16V
C111
EXT5V_CTRL
0 . 4 7 u F
25V
C113
+12V_AUDIO
12.4K
R101
EXT_PWR_DET
RJP_DET
+12V_RJP
+12V_AUDIO
+5VST_MST
0 . 1 u F
50V
50V
C114
MP2305DS
IC100
3
SW
2
IN
4
GND
1
BS
5
FB
6
COMP
7
EN
8
SS
22uF
16V
16V
C115
EXT_12V
0 . 1 u F
50V
50V
C116
4.7K
R103
4.7K
R105
1K
R126
10K
R128
100K
R133
READY
10K
R134
56K
R135
10K
R136
10K
R137
1K
R138
JLC1562BFEL
IC101
3A2
2 A1
4 D0
1 A0
6D2
5D1
7D3
8 Vss
9
D4
10
D5
11
D6
12
D7
13
VDAC
14
SCL
15
SDA
16
VDD
0 . 1 u F
C117
RJP_CTRL_0
RJP_CTRL_1
CLOCK_SCL
+5V_MULTI
RJP_CTRL_3
CLOCK_SDA
RJP_CTRL_2
22
R139
22
R140
100
R141
100
R142
100
R143
100
R144
D103
A1
C
A2
CB3216PA501E
L102
470pF
50V
50V
C118
1K
R146
100
R145
22uF
16V
16V
C119
1uF
16V
16V
C120
+5V_HDMI_1
+5V_HDMI_2
100
R147
100
R148
22UH
L100
MP5000DQ
IC102
3
ENABLE/FAULT
2
DV/DT
4
I-LIMIT
1
GND
5
NC
6
SOURCE_1
7
SOURCE_2
8
SOURCE_3
9
SOURCE_4
10
SOURCE_5
11
VCC
1 1 0
2 0 0 9 / 0 4 / 1 3
INPUT1
MSTAR N-EU
EAX61201301
H6 LCD MERCURY
COMPONENT1
AV1
COMPONENT, AV
INPUT1 : COMPONENT1,AV1,PowerOutlet,I/O Expansion
+12V RJP
5V/12V EXT PowerOut
I/0 EXPANSION
USB_DN
USB_DP
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.
USB DOWN STREAM
KJA-UB-4-0004
SIDE_USB
JK204
1
2
3
4
5
IROUT_RS232
+5VST_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
+5VST_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
AC
C
PC_B
ENKMC2837-T112
D210
A
AC
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
AC
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
ADUC30S03010L_AMODIODE
30V
D204
ADUC30S03010L_AMODIODE
30V
D209
30V
D208
READY
30V
D207
READY
0.1uF
C203
0.1uF
C200
0.1uF
C201
0.1uF
C202
0 . 0 1 u F
C205
0 . 1 u F
C204
0 . 1 u F
C206
0 . 1 u F
C207
100
R202
100
R203
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
C208
MIC2009YM6-TR
IC202
3
ENABLE
2
GND
4 FAULT/
1
VIN
6 VOUT
5 ILIMIT
10uF
C209
120OHM
L200
+5V_USB
1K
OCP_READY
OCP_READY
R209
4.7K
R210
68
R207
68
R208
68pF
C213
68pF
C211
4.7K
R219
READY
0
R200
0
R201
500
L201
220uF
16V
C212
100uF
16V
16V
C214
KDS226
D213
A
AC
C
510
R238
160
R206
0
R223
EXT12V_7P
0
R224
EXT12V_9P
EXT_12V
EXT_5V
0
R225
EXT5V_7P
1K
R222
10uF
10V
C210
IROUT_RS232
2 1 0
INPUT2
MSTAR N-EU
2 0 0 9 / 0 4 / 1 3
INPUT2 : PC,RS-232C,USB
USB
EAX61201301
H6 LCD MERCURY
I t ’ s p o s s i b e l t o 2 7 ~ 4 7 o h m
* * 1 A D e s i g n
RS-232C (CI ITEM)
PC EDID
PC
PC SOUND
P i n t o P i n w i t h
EAN43439401
C l o s e t o S I D E _ U S B
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