LG 49UB8200 Service Manual page 42

RS-232C Control INTERFACE
C1700
0.33uF
RS232C_PHONE
RS232C_PHONE
IC1700
MAX3232CDR
C1+
RS232C_PHONE
1
C1701
0.1uF
V+
RS232C_PHONE
2
C1702
0.1uF
C1-
3
C2+
RS232C_PHONE
4
C1703
0.1uF
C2-
5
V-
RS232C_PHONE
6
C1704
0.1uF
DOUT2
7
RIN2
8
EAN41348201
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
+3.5V_ST
RS232C_PHONE
C1705
0.1uF
VCC
16
GND
15
DOUT1
14
RIN1
13
ROUT1
12
DIN1
11
DIN2
10
ROUT2
9
HP OUT
BLM18PG121SN1D
HP_LOUT_AMP
BLM18PG121SN1D
HP_ROUT_AMP
OPT
ZD1700
ADUC 20S 02 010L
20V
SOC_RX
SOC_TX
R1703-*1
1uF
10V
HP_BYPASS
HP_OUT
HP_OUT
L1701
R1703
150
HP_OUT
1/10W
+3.3V_NORMAL
C1707
5%
0.22uF
10V
HP_OUT
R1705
100
HP_DET
1/16W
HP_OUT
5%
HP_OUT
L1700
R1704
150
HP_OUT
1/10W
C1706
5%
R1704-*1
0.22uF
1uF
10V
10V
HP_BYPASS
RS232C_PHONE
R1700
100
RS232C_PHONE
R1701
100
OPT
ZD1701
ADUC 20S 02 010L
20V
R1706
10K
HP_OUT
ZD1702
5.6V
HP_OUT
UB83
RS232C
JK1700
PEJ038-3B61
GND 5
L 4
DETECT 3
R 1
2013-10-28
17
LGE Internal Use Only