LG -T500 Service Manual page 128

AUDIO SUBSYSTEM
5-1-2-6_TPA2055D3
EAR_SPK_N
EAR_SPK_P
RCV_P
RCV_N
I2C_SDA
I2C_SCL
TOUCH IC
C545
0.1u
X+
TOUCH_INT
TP501
Y+
VA508 VA509
LGE Internal Use Only
VBAT
C501 C502
2.2u 0.1u
1V8_VDD
C505
2.2u
FB501
C4 E3
R502 12
IN3- OUT+ FB502
C3 E4
R503 12
IN3+ OUT-
FB503
1800
C516 1u A3 B1
IN1+ HPL
C523 1u B3
IN1- M501 FB504 1800
A1
HPR
C509 0.1u
A4
IN2+
C515 0.1u B4 D1
IN2- CP C517 C518 C519 C520
C524
39p 39p 39p 39p
B2 E1
1u
SDA CN
C2
SCL
C525 C526 C527
1u 1u 1u
HS_GND
1V8_VTOUCH
VIBRATOR
VIB
C537
1u
U501 TSC2007IYZGR
A1 C1
AUX SDA I2C_SDA
A2 C2
VDD_REF A1
A3 C3
X-
X+ X-
B1 D1
PENIRQ- SCL I2C_SCL
B2 D2
A0 GND
B3 D3
Y-
Y+ Y-
VA510 VA511
SPK_RCV_P
SPK_RCV_N
HS_OUT_L
HS_OUT_R
3.5phi HEADSET
VB501
1
R535 10
1608 1/10W
2
VA507
C549 C548
33p 1u
- 128 -
MICROPHONE_C_MIC
5-2-1-1
VMIC R528 1K R529 2.2K
MIC501
C503
R532 100
MIC_P
2 B4010AL443-49
0.033uF SUMY0003815
1
C506
39pF
C508
R533 100
MIC_N
0.033uF
C511
39p
Varister Can be Changed to TVS or ECLAMP
0
MTK, S-GOLD Series must be removed.
R531
5-3-2-1
1V8_VDD
R508
C528
FM_ANT_1
1M
1n
ZD501
L502 C529
100n 15p
1V8_VDD
FB505
HS_GND
R510
10
R509 100K
R511
DNI
10
FB506 1800
HS_OUT_R
FB507 1800
R512 DNI
HS_JACK_DETECT
FB508 1800
HS_OUT_L
C530 C531 VA501 VA502 VA503
390p 390p
R513 R514
1n
DNI
VHSMIC
HS_GND
Can be Changed to TVS or ECLAMP
2.2uF
C532
R518
C533 22n
HS_MIC_N
2.2Kohms
FB509
C536 22n R520
HS_MIC_P
1K 1800
VA504
C550
390p
1V8_VDD VAUX
U502
R525 100
HS_HOOK_DETECT
OUT IN-
4 3
GND
2
VCC IN+
5 1
LMV331
EUSY0407701
7. CIRCUIT DIAGRAM
M6_GND 2
M1_R 3
M4D-DETECT 6
M3_DETECT 5
M4_L 4
J501
M5_MIC 1
ENJE0007601
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Only for training and service purposes