LG 32SE3B-BE Service Manual page 22

IR(3pin)
JK602
KJA-PH-0-0177
KEY
P309
12507WS-04L
1
2
3
4
5
JP360
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 ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Jig Point
+3.5V_ST
JP612
5 GND
R620
JP613
4 L 100
1/10W
3 DETECT
JP614
R621
1 R
IR
0
+3.5V_ST
R571 R570
10K 10K
1% 1%
JP358
R568
100
KEY1
ADUC 5S 02 0R5L OPT
C2187
VA309
0.1uF
16V
JP359
R569
100
KEY2
OPT
ADUC 5S 02 0R5L
C2188
VA310 0.1uF
16V
Digital Thermal Sensor
Parts No.1~300
R291
TMDS_DEMUX_SDA
33
TMDS_DEMUX_SCL
R292
33
+3.3V_NORMAL
IC21
MM3286CFBE C98
0.1uF
16V
SDA VDD
1 8
R284 R285
SCL A0 R283
2 7 10K 10K
10K
OPT
OPT
OS A1
3 6
GND A2
4 5
R286 R287 R288
0 0 0
OPT
LS33B
IR/Key/etc
14/10/09
LGE Internal Use Only