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THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2012 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
EARPHONE AMP
C6100
1uF
10V
INL-
HP_LOUT_MAIN
INL+
INR+
C6103
1uF
INR-
10V
HP_ROUT_MAIN
R6102
4.7K
OPT
R6103
4.7K
+3.3V_NORMAL
L6100
120-ohm
BLM18PG121SN1D
C6105
C6107
0.1uF
10uF
16V
10V
HP_LOUT_AMP
C6104
Close to the IC
1uF
10V
R6104
C6108
100K
2.2uF
16
15
14
13
OPT
10V
HPVDD
1
12
CPP
2
11
IC6100
C6109
MMBT3904(NXP)
TPA6132A2
2.2uF
PGND
10V
3
10
CPN
4
9
EAN60724701
5
6
7
8
HP_ROUT_AMP
C6106
2.2uF
10V
+3.3V_NORMAL
R6105
OPT
4.7K
R6106
0
C
R6107
1K
Q6100
B
SIDE_HP_MUTE
From Micom
E
HEADPHONE AMP
2011.09.29
61
LGE Internal Use Only
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