LG -T500 Service Manual page 89

CIRCUIT
BB Chip
TP1
SPK_L
SPK_R
TP3
AMP_HS_P
AMP_HS_N
I2C_SDA
I2C_SCL
SPK_P
SPK_N
C524
47pF
LGE Internal Use Only
G1
DDR_DQS[1]
BC3_n
J5
DDR_CLK_P VMIC_BIAS_P
SDCLKO
T2
BFCLKO_0
DDR_CLK_N
J4
BFCLKO_1
P4
DDR_CKE
CKE
P11
ANAMON
K17
BT_CLK_REQ
FSYS_EN
M17
EPN
M18
EPP
R16
HSL
T16
HSR
N18
LSN
N17
LSP
VBAT
R504
0
VDD_IO_1V8
2.2u
C504
TP
C4
IN3-
C3
IN3+
C507 47n
A3
IN1+
C508 47n B3
IN1- M501
C539 47n
A4
IN2+
C540 47n
B4
IN2-
B2
SDA
C2
SCL
TP4
C514 C515 C516
2.2u 2.2u 2.2u
R510
0
TP5
L504 0.1uH
CN501
1
C525
2
100pF
L505
TP6
0.1uH
C526
VA506 VA507
47pF
47p 47p
DNI DNI
VAUD_HS_BIAS
C234 C235
C232 C233
C502 C503
10u 0.1u
FB505 600
E3
OUT+
E4
OUT-
600
FB506
B1
HPL
A1
HPR
D1
CP C509
C513
39p
E1 2.2u
CN
HS_GND
RCV_P
RCV_N
- 89 - Copyright © 011 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
RCV_HS_N
RCV_HS_P
SPK_L
SPK_R
SPK_P
SPK_N
HS_OUT_L
HS_OUT_R
C510 C511 C512
39p 39p 39p
0.1uH
TP7
L506
L507 0.1uH
TP8
C534 C535
ZD501
47pF 47pF
Only for training and service purposes
CN502
1
2
ZD502