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EARPHONE AMP
HP_ROUT_MAIN
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 rights reserved.
Only for training and service purposes
IC6100
TPA6138A2
HP_OUT
+INR
1
C6104
HP_OUT
HP_OUT
C6100
HP_OUT
18pF
1uF
R6100
R6106
-INR
10V
10K
43K
HP_OUT
HP_OUT
2
1%
C6108
10pF
OUTR
50V
3
HP_ROUT_AMP
+3.3V_NORMAL
GND_1
4
MUTE
4.7K
5
R6105
SIDE_HP_MUTE
VSS
6
HP_OUT
C6102
CN
7
1uF
10V
HP_OUT
HP_OUT
+INL
14
C6109
HP_OUT
18pF
HP_OUT
C6101
R6104
R6101
1uF
-INL
HP_OUT
43K
10K
10V
HP_OUT
13
C6106
1%
10pF
OUTL
12
50V
HP_LOUT_AMP
UVP
11
+3.3V_NORMAL
GND_2
10
VDD
9
HP_OUT
HP_OUT
C6105
C6107
CP
0.1uF
1uF
8
16V
10V
C6103
1uF
10V
PAGE 20
HP_LOUT_MAIN
HEADPHONE AMP
2011.09.29
61
LGE Internal Use Only
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