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