LG 49UF77 Series Service Manual page 54

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 rights reserved.
Only for training and service purposes
EARPHONE AMP
C6104
C6100
18pF
1uF R6100 R6106
10V 10K 43K
HP_ROUT_MAIN
1%
HP_ROUT_AMP
+3.3V_NORMAL
4.7K
R6105
SIDE_HP_MUTE
IC6100
TPA6138A2
+INR +INL
1 14
C6109
18pF
R6104 R6101
-INR -INL
43K 10K
2 13
C6108 1%
C6106
10pF 10pF
OUTR OUTL
50V 3 12
50V
GND_1 UVP
4 11
+3.3V_NORMAL
MUTE GND_2
5 10
VSS VDD
6 9
C6105 C6107
C6102 CN CP
1uF 0.1uF
7 8
1uF
16V
10V
10V
C6103
1uF
10V
C6101
1uF
10V
HP_LOUT_MAIN
HP_LOUT_AMP
LM15U
HP_AMP
2014-11-22
61
LGE Internal Use Only