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AUDIO AMP
AMP_RST
C706
1000pF
50V
AUD_MASTER_CLK
+3.3V_AMP
50V
0.1uF
C707
12.01.17
CLOSE TO IC
0.1uF->4.7uF
C700
C702
C703
0.1uF
1000pF
4.7uF
50V
C701
50V
10V
100pF
AGND_PLL
R700
50V
3.3K
AVDD_PLL
1%
DVDD_PLL
LF
DGND_PLL
GND_1
CLOSE TO IC
C704
DGND
0.1uF
DVDD
50V
100
SDATA
R768
AUD_LRCH
WCK
R769
100
AUD_LRCK
100
BCK
R767
AUD_SCK
SDA
11.11.05
0->1OOohm
100
R703
AMP_SDA
R707
100
AMP_SCL
C705
C708
33pF
33pF
50V
50V
+3.3V_ST
R705
10K
R709
D700
MMBD6100
C
A2
SB_MUTE
Q700
R701
C
B
MMBT3904(NXP)
A1
10K
NTP_MUTE
OPT
E
R708
33K
Headphone block
+3.3V_AVDD
M52(H/P JACK)
R706
47K
M52(H/P JACK)
R710
1K
HP_DET
VA703
20V
OPT
JP700
1
R
JP702
3
DETECT
M52(H/P JACK)
JP703
Q703
4
L
VA701
MMBT3904(NXP)
JP701
20V
VA702
5
GND
M52(H/P JACK)
20V
M52(H/P JACK)
KJA-PH-0-0177
JK700
M52(H/P JACK)
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.
AMP
Copyright ⓒ 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
L700
10.0uH
+19V_AMP_VCC
C730
Audio Crosstalk improve
390pF
12.02.17
50V
OPT->APPLY
C718
10uF
C731
C712
C715
25V
0.1uF
390pF
47uF
50V
50V
25V
11.10.27
11.11.05
1000Hr->2000Hr
2.2uF->0.1uF
L706
10.0uH
OUT1B_2
1
36
C722
OUT1B_1
2
35
THERMAL
50V
PGND1B
3
34
49
22000pF
12.01.12
BST1B
4
33
1uF addition
IC700
VDR1
for NTP7500L
5
32
C726
NTP-7500L
VCC_5
6
31
1uF
C743
AGND
7
30
25V
1uF
VDR2
8
29
25V
12.01.12
BST2A
C727
9
28
1uF
NTP7250 -> NTP7500L
PGND2A
10
27
50V
25V
OUT2A_2
11
26
22000pF
OUT2A_1
C723
12
25
L701
10.0uH
+19V_AMP_VCC
Audio Crosstalk
TP700
improve
TP701
12.02.17
TP702
OPT->APPLY
C713
C714
C716
C728
47uF
0.1uF
10uF
390pF
25V
50V
25V
50V
11.10.27
11.11.05
1000Hr->2000Hr
2.2uF->0.1uF
C729
390pF
50V
L709
10.0uH
100
C709
1000pF
50V
HP_LOUT
M52(H/P JACK)
M52(H/P JACK)
C720
C719
M52(H/P JACK)
R713
10uF
1000pF
10V
Q701
1K
50V
C
E
M52(H/P JACK)
OPT
MMBT3904(NXP)
B
Q705
MMBT3904(NXP)
B
E
C
HP_ROUT
M52(H/P JACK)
C721
M52(H/P JACK)
10uF
C717
R711
10V
C
E
1000pF
M52(H/P JACK)
1K
50V
B
Q704
OPT
MMBT3904(NXP)
B
E
C
+3.3V_ST
M52(H/P JACK)
Q706
MMBT3906(NXP)
MUTE control
M52(H/P JACK)
C
R714
3.3K
11.11.15
E
OPTION
C739
0.1uF
50V
C735
0.47uF
16V
C740
0.1uF
50V
P700
SMAW250-H04R
4
SPK_L+
JP704
3
SPK_L-
JP705
2
SPK_R+
JP706
1
SPK_R-
JP707
WAFER-ANGLE
C737
0.1uF
50V
C734
0.47uF
16V
C738
0.1uF
50V
Pop-up noise killer
+19V
AC
KDS226
D710
R734
C
A
R736
220K
11.10.27
470
2.7K->220K
E
MMBT3906(NXP)
B
Q702
C
OPT
NON_EU
C742
R737
R735
4.7uF
12K
220K
50V
11.10.27
Apply->OPT
R738
12K
M52(H/P JACK)
D709
MMBD6100
M52(H/P JACK)
A2
SB_MUTE
R733
B
C
A1
10K
HP_MUTE
Q707
MMBT3904(NXP)
M52(H/P JACK)
BUZZER
+5V_GENERAL
(1, 2)
M52(BUZZER)
R715
10K
M52(BUZZER)
MMBT3906(NXP)
M52(BUZZER)
E
11.11.21
R704
1K
B
Q709
11.11.21
C
M52(BUZZER)
C
R702
2K
B
Q708
M52(BUZZER)
SE
R721
MMBT3904(NXP)
100
M52(BUZZER)
(1,2)
E
C725
16V
10uF
M52(BUZZER)
12.02.03
EAE30840401 25V .164 ->
EAE38362601 16V .01825
M52(BUZZER)
R716
2K
BUZZER
(1,2)
C724
47uF
25V
11.10.27
22K->12K
EU
11.12.20
R737-*1
R737 3K(EU)
3K
Countmeasure
of latch up
SB_MUTE
DMxx52/Mxx52
+5V_GENERAL
(1, 2)
R723
R722
0
0
OPT
M52(BUZZER)
M52(BUZZER)
BU700
PKM13EPY-4002-B0
JP708
1
JP709
R724
1K
2
M52(BUZZER)
C
11.11.21
B
Q710
MMBT3904(NXP)
M52(BUZZER)
E
EAX64559004
2012.04.30
Mxx32
AUDIO IC
6
11
LGE Internal Use Only
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