LG 32LN549C Service Manual page 31

+5V_Normal
+3.3V_Normal
R713
4.7K
OPT
USB2_CTL
RGB PC
RGB_PC
R723
2.2K
NON_CI_CAP_RGB_PC
NON_CI_CAP_RGB_PC
C721 C723
18pF 18pF
50V 50V
DSUB_VSYNC
DSUB_HSYNC
OPT
OPT
OPT C720 OPT
C718
VA701 VA705
68pF
68pF
20V 20V
50V
50V ADUC 20S 02 010L ADUC 20S 02 010L
DSUB_B+
ADUC 20S 02 010L
RGB_PC
RGB_VARISTOR
R718 VA702
75 20V
DSUB_G+
ADUC 20S 02 010L
RGB_PC
RGB_VARISTOR
R719
VA703
75
20V
DSUB_R+
ADUC 20S 02 010L
RGB_PC RGB_VARISTOR
R720 VA704
20V
75
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.
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
OCP for USB_2
TEST
EAN61849601
IC702
L703-*1
AP2191DSG
MLB-201209-0120P-N2
120-ohm
+5V_USB_2
GND NC
1 8
TEST
L703
CIS21J121
IN_1 OUT_2
2 7
IN_2 OUT_1 C716
3 6
22uF
10V
EN FLG TEST
4 5
+5V_USB_1
TEST
R714
10K
R715 47
USB2_OCD
TEST
+5V_Normal
RGB_PC
D710
MMBD6100
A2
C
A1
RGB_PC NON_CI_CAP_RGB_PC
C724
R724
0 . 1 u F
16V
2.2K
RGB_DDC_SCL
RGB_DDC_SDA
OPT
VA706
5.6V
OPT
VA707
5.6V
+3.3V_Normal
RGB_PC
R729
RGB_PC
10K
R732
1K
DSUB_DET
OPT
VA708
5.6V
ADMC 5M 02 200L
JK705
SPG09-DB-010
RGB_PC
USB1
+5V_USB_1
USB1_DM
USB1_DP
C717
10uF
10V
USB2
+5V_USB_2
USB2_DM
USB2_DP
C719
10uF
10V
TEST
JP_GND
JP_GND1
JP_GND2
JP_GND3
JP_GND4
RS232C
+3.5V_ST
D704
CDS3C30GTH
30V
OPT
C701 0 . 3 3 u F
IC701
C706
MAX3232CDR
0 . 1 u F
C1+ VCC
1 16
C702
0 . 1 u F
V+ GND
2 15
C703
0 . 1 u F
C1- DOUT1
3 14
C2+ RIN1
4 13
C704
0 . 1 u F
C2- ROUT1
5 12
V- DIN1
6 11
C705
0 . 1 u F
DOUT2 DIN2
7 10
RIN2 ROUT2
8 9
EAN41348201
SPDIF OPTIC JACK
5 . 1 5 M s t a r C i r c u i t A p p l i c a t i o n
SPDIF-JACK-SOLTEAM
JK702-*1
JST1223-001
GND
VCC
SPDIF_OUT
VINPUT
Rear AV
C708
D701
R701 47pF
30V
75 50V
JK701
PPJ233-01
[RD]E-LUG
5C
D705
5.6V
[RD]O-SPRING
4C
[RD]CONTACT
3C L-MONO
[WH]C-LUG
4B
[YL]CONTACT
3A
R702
D702
470K
[YL]O-SPRING 5.6V
4A
[YL]E-LUG
5A
R703
D703
5.6V 470K
10
5
9
IR_OUT 4
R710 8
100
JP708
3
7
R711
100
JP709
2
6
D706
CDS3C30GTH
30V 1
OPT
SPG09-DB-009
JK706
+3.5V_ST
D707
R712
BAP70-02
1K
50V
PM_RXD
PM_TXD
LA2AW
REAR JACKS
+3.3V_Normal
C707
C709
0 . 1 u F
100pF
16V
50V
AV_CVBS_IN
C710
220pF
50V
+3.3V_Normal
OPT
R704
10K
AV_CVBS_DET
R705
1K
C711
0 . 1 u F
OPT
16V
R706
10K
AV_COMP_PC_R_IN
L701
120-ohm C712
330pF
50V
L702
120-ohm R707
10K
AV_COMP_PC_L_IN
C713 R709
330pF 12K
50V
2 0 1 2 . 0 9 . 1 1
7
LGE Internal Use Only