LG 32LH70YR Service Manual page 19

EAX58298501
Mstar LCD LH70
PC EDID
IC100
CAT24C02WI-GT3
A0 VCC
1 8
A1 WP
2 7 R110
A2 SCL
R119
3 6
VSS SDA
R120
4 5
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.
HDMI2
HPD_MST_2 R301 10K C
B
E
Q301
2SC3875S
20
20
19 19
HPD
18 18
+5V_POWER
17 17
DDC/CEC_GND
16 16
SDA
15 15
SCL
14 14
NC
13 13
CEC
12 12
CLK-
11 11
CLK_SHIELD
10 10
CLK+
9 9
DATA0-
8 8
DATA0_SHIELD
7 7
DATA0+
6 6
DATA1-
5 5
DATA1_SHIELD
4 4
DATA1+
3 3
DATA2-
2 2
DATA2_SHIELD
1 1
DATA2+
JK302
YKF45-7058V
EAG59023302
HDMI1
HPD_MST_1 R300 10K
B C
E
Q300
2SC3875S
20
20
19 19
HPD
18 18
+5V_POWER
17 17
DDC/CEC_GND
16 16
SDA
15 15
SCL
14 14
NC
13 13
CEC
12 12
CLK-
11 11
CLK_SHIELD
10 10
CLK+
9 9
DATA0-
8 8
DATA0_SHIELD
7 7
DATA0+
6 6
DATA1-
5 5
DATA1_SHIELD
4 4
DATA1+
3 3
DATA2-
2 2
DATA2_SHIELD
1 1
DATA2+
JK301
YKF45-7054V
EAG59023301
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
+5VST_MST
C113
R154 R128 R129
4.7K
4.7K 4.7K 0 . 0 1 u F
DDC_WP
100
DSUB_SCL
100
DSUB_SDA
100
+5V_HDMI_2
R303 1K
IC301
CAT24C02WI-GT3
A0 1 8 VCC
A1 2 7 WP R327 100
A2 3 6 SCL R304 100
VSS 4 5 SDA R305 100
CEC
TMDS2_RXC-
TMDS2_RXC+
TMDS2_RX0-
TMDS2_RX0+
TMDS2_RX1-
TMDS2_RX1+
TMDS2_RX2-
TMDS2_RX2+
+5V_HDMI_1
R302 1K
IC300
CAT24C02WI-GT3
A0 VCC
1 8
A1 WP
R331 100
2 7
A2 SCL
R306 100
3 6
VSS SDA
R307 100
4 5
CEC
TMDS1_RXC-
TMDS1_RXC+
TMDS1_RX0-
TMDS1_RX0+
TMDS1_RX1-
TMDS1_RX1+
TMDS1_RX2-
TMDS1_RX2+
USB
JK200
KJA-UB-0-0037
c l o s e t o J K 2 0 0
1
**1A Design
1
C200
C201 C202
100uF
100uF
10uF
16V
16V
6.3V
2
0 R200
I t s p o s s i b e l
D207
READY
to 27~47ohm
3
0 R201
D208
READY
4
5
+5V_HDMI_2
+5V_MULTI
D301
KDS184S
HDMI3
R309 R311 C301
10K 10K 0.01uF
DDC_WP
HPD_MST_3
DDC_SDA2
DDC_SCL2
+5V_HDMI_1
+5V_MULTI
D300
KDS184S
R308 R310 C302
10K 10K 0.01uF
Q303
DDC_WP
BSS83
CEC_READY
G
DDC_SDA1
DDC_SCL1
R202 0
Non_OCP
P i n t o P i n w i t h
EAN43439401
IC201 OCP_READY
MIC2009YM6-TR
6 VOUT VIN
C205 500
100uF
L200
5 ILIMIT GND
16V
OCP_READY
160
R203 4 FAULT/ ENABLE
USB_DN
30V R204
1KOCP_READY
USB_DP
30V
H6 LH70
INPUT-USB
EAX58298501
Mstar LCD LH70
+5V_HDMI_3
R314 1K
C
CAT24C02WI-GT3
R312 10K B
Q302
2SC3875S
E
A0
1
A1
2
A2
20
3
20
VSS
4
19 19
HPD
18 18
+5V_POWER
17 17
DDC/CEC_GND
16 16
SDA
15 15
SCL
14 14
NC
13 13
CEC CEC
12 12
CLK- TMDS3_RXC-
11 11
CLK_SHIELD
10 10
CLK+ TMDS3_RXC+
9 9
DATA0- TMDS3_RX0-
8 8
DATA0_SHIELD
7 7
DATA0+ TMDS3_RX0+
6 6
DATA1- TMDS3_RX1-
5 5
DATA1_SHIELD
4 4
DATA1+ TMDS3_RX1+
3 3
DATA2- TMDS3_RX2-
2 2
DATA2_SHIELD
1 1
DATA2+ TMDS3_RX2+
JK303
YKF45-7058V
EAG59023302
+3.3V_MST
R315 R316
68K
56000
CEC_READY
READY
D303
MMBD301LT1G
30V CEC_READY
D
CEC_C
B
R313
S 0
CEC
D304
CDS3C30GTH
30V CEC_READY
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.
H6 LH70
INPUT-HDMI
+5V_USB
OCP_READY
C
AC A
KDS226
R238
D213
510
OCP_READY
1 L202 120-ohm
OCP_READY
C203 C204
R205
0.1uF 10uF
2 4.7K
OCP_READY OCP_READY
OCP_READY
3
2008/09/20
1 9
+5V_HDMI_3
+5V_MULTI
D302
KDS184S
IC302
R319 R320 C300
VCC
10K 10K 0.01uF
8
WP
R329 100
DDC_WP
7
SCL
R317 100
6
SDA
R318 100
5
DDC_SDA3
DDC_SCL3
2008/09/20
2 9
LGE Internal Use Only