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3. TECHNICAL BRIEF
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3.9 Main Speaker
Figure 3.9 Connection between Speaker, Amp and AD6721
47p
C138
R115
8.2
C149
NA
C143
NA
NA
C142
U12
VMEMSEL
T11
VRTCSEL
L14
VAPPCFG
PA
PMTSEL
T13
QN
F19
QP
G19
NC4
NC5
V2
W1
NC6
E19
J18
IN
H18
IP
JACKSENSE
U16
AIN1P
V19
AIN2N
V18
AIN2P
M16
AIN3COMMON
M15
AIN3L
N14
AIN3R
AOUT1N
N16
AOUT1P
N17
AOUT2N1
T15
AOUT2N2
U15
AOUT2P1
T14
U14
AOUT2P2
M17
AOUT3L
AOUT3R
N15
AIN1N
U17
U18
K18
AFCDAC
W18
ACCDETECT
C151
39p
8.2
R114
NA
C145
C148
0.1u
NA
C146
39p
C152
C150
39p
C154
47p
39p
C153
SPK_RCV_P
SPK_RCV_N
SPK_P_ABB
SPK_N_ABB
AUXIN
AUXIP
ACC_DET
AUXOP_R
VINNORP
AUXOP_L
VINNORN
TX_RAMP
IP
IN
QP
QN
AFC
AUDIO POWER AMP
[Rev. C] Change AMP Type (QFN -> BGA)
[Rev.C] Remove 0 Ohm pad between SPK & RCV outputs
C200
4.7n
R222
100K
B3
VO+
A1
VO-
_SHUTDOWN
B1
U200
TPA6205A1ZQVR
C1
BYPASS
B2
GND
IN+
C2
IN-
C3
VDD
A3
C205
220n
C206
4.7n
R218 10K
10K
R219
39K
R224
2.2u
C201
VBAT
C204
0.47u
R201
39K
C203
0.47u
R220
0
0.1u
C202
SPK_RCV_P
SPK_RCV_N
AMP_SHDN
SPK_P_ABB
SPK_N_ABB
Содержание KP210
Страница 1: ...Date February 2008 Issue 1 0 Service Manual Model KP210 KP215 Service Manual KP210 KP215 ...
Страница 101: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 102 ...
Страница 107: ... 108 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 121: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 122 ...
Страница 138: ...Note ...
Страница 139: ...Note ...