LG KG920 - Page 143

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NO.
9
11
6
Date
NC PORT
MAIN MICROPHONE
Checked
4
(GPIO_39)
(GPIO_9)
7
03/11
SPEAKER AMPLIFIER
Notice No.
CONNECTED PORT
C
G
LGIC(42)-A-5505-10:01
9
Approved
G
AUDIO PATH SWITCH
12
8
1
(MP3_PLAY/PAUSE)
SPEAKER PHONE AMPLIFIER POWER
(GPIO_46)
B
MODEL
Section
2
Iss.
E
DRAWING
(GPO_8)
6
DRAWING
HEADSET JACK
C
4
NAME
(HOOK_DETECT)
Date
LG Electronics Inc.
SANG KYU SONG
5
8
11
2 10
Sheet/Sheets
(MP3_FF)
F
HIGH
(MM_GPIO_1)
(GPIO_17)
10
Name
F
A
Designer
3
E
D
LOW
H
(MP3_REW)
NO PORT
LG Electronics Inc.
A
B
1
1u
KG920(MAIN)
AUDIO PART
VER_1.0
4/7
12
Sign & Name
75
(GPIO_40)
3
2006/
H
C431
C416
39p
0.01uC411
EVL5M02200
VA404
2.2K
R427
100
R422
10u
C430
C412 0.01u
100K R424
NA
R433
680R414
2V8_MM
R415
0
1u
C428
80.6K
R416
33uH
L401
39p
C420
VA401
EVL5M02200
R417
1K
NA
R434
2V5_VMIC
4.7R408
VBAT
C401
10u
C417
33u
100R405
C1
NO2
VCC
B1
EVLC18S02015
VA409
A2
COM1
COM2
C2
EP1
B2
B3
EP2
B4
GND
A4
IN1
IN2
C4
A3
NC1
NC2
C3
A1
NO1
VA410
EVLC18S02015
MAX4764EBC+T U701
C409
47p
100R413
C405 100u
VA403
EVL5M02200
2V8_VMEM
14
2
3
4
5
6
7
8
9
CN401
1
10
11
12
13
C3
COM1
A3
COM2
B1
GND
C2
IN1
A2
IN2
C1
NC1
A1
NC2
C4
NO1
A4
NO2
B4
V+
100R410
U404
NLAS4684FCT1G
R406 4.7
C418
1u
39p
C402
100R411
VBAT
C423 0.1u
C413
39p
10u
C421C419
1u
1K
R401
NLAS4684FCT1G
U405
COM1
C3
COM2
A3
GND
B1
IN1
C2
IN2
A2
NC1
C1
NC2
A1
NO1
C4
NO2
A4
V+
B4
VBAT
R409 100
27p
C427
R432 0
EVLC18S02015
VA407
R426
100
NLAS4684FCT1G
U403
COM1
C3
COM2
A3
GND
B1
IN1
C2
IN2
A2
NC1
C1
NC2
A1
NO1
C4
NO2
A4
V+
B4
0.1uC403
0
R429
NC
B4
VDD1
C4
VDD2
D4
VO+
VO-
A4
A1
_SD
GND1
A2 A3
GND2 GND3
B3
C2
GND4 GND5
C3 D2
GND6 GND7
D3
IN+
C1
IN-
D1
B1
C432
U401 TPA2005D1ZQYR
1u
1u
C434
U402 BH2JNB1WHFV
BGND
6
GND
2
5
NC
1
STBY
VIN
34
VOUT
R430
0
R421
0
33uH
L402
NA
2V8_MM
C425
39p
C422
2.2K
C410
R420
47p
R402
100K
100R404
C404
2V8_MM
VA406
EVLC18S02015
100u
47p
C407 C408
1u
VA408
EVLC18S02015
80.6K
R419
100R431
C424
0
R423
2V85_SPWR
22n
0
R418
39K
R425
VA405
EVL5M02200
0.01u
C429
R403
2.2K
R428
0
EVL5M02200
VA402
C406
1u
C415
NANA
C414
39p
C426
2V5_VMIC
2.2K
R412
C433
1u
MIC_IN+
MIC_IN-
HP_EN
MIDI_SPK-
SND_SPK+
SND_SPK-
SPK_SRC_SEL
SPK_PHONE_PWREN
MIC_P
MIC_N
SND_HPROUT
SND_HPLOUT
SND_HPLOUT
SND_SRC_SEL
HP_LOUT
HP_ROUT
HP_SRC_SEL
AUX_OUT_L
AUX_OUT_R
SND_HPLOUT
SND_HPROUT
SPK+
SPK-
MIDI_SPK+
SND_SPK-
SND_HPROUT
LOUD_SPK_EN
SND_SPK+
MIDI_HPROUT
CODEC_HPROUT
CODEC_HPLOUT
MIDI_HPLOUT
KEY_ROW0
KEY_COL5
KEY_COL4
KEY_COL3
KEY_COL2
HP_LOUT
HP_ROUT
JACK_DETECT
AUX_MIC_N
AUX_MIC_P
7. CIRCUIT DIAGRAM