LG 39LB5600 Service Manual page 36

RS-232C
C5302
0.1uF
C5303
0.1uF
C5304
0.1uF
C5305
0.1uF
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 ⓒ 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
+3.5V_ST
C5306
0.1uF
IC5301
MAX3232CDR
C1+ VCC
1 16
V+ GND
2 15
C1- DOUT1
3 14
C2+ RIN1
4 13
C2- ROUT1
5 12
V- DIN1
6 11
DOUT2 DIN2
7 10
RIN2 ROUT2
8 9
EAN41348201
R5302
100
R5301
100
OPT
OPT
D5301 D5302
ADUC 20S 02 010L ADUC 20S 02 010L
20V
20V
PM_RXD
PM_TXD
OPT
R5309
0
M6 6
M1 1
M3_DETECT 3
M4 4
M5_GND 5
KJA-PH-1-0177
JK5301
NC4_S7LRM
RS232C_PHONE
2012/06/21
53
LGE Internal Use Only