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CIRCUIT
U102
K4
NROM_CS
CS0_N
M3
NRAM_CS
CS1_N
R3
NADV
ADV_N
J6
NWAIT
WAIT_N
P9
ANAMON
T2
MEM_CLK
BFCLK0
K15
FSYS_EN
FSYS_EN
M15
EPN
M16
EPP
R14
TP01
HSL
T14
HSR
N16
LSN
N15
LSP
TP02
TP03
TP04
AUDIO AMP SUB SYSTEM & SIGNAL DISTRIBUTOR
TP01
EPN
EPP
TP02
HSR
HSL
TP0
TP04
I2C_SCL
I2C_SDA
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
C144
C141
C143
C142
DNI
DNI
47p
47p
VBAT
FB201
120
U202
C212 1u
C2
IN1-
C213 1u
C1
IN1+
U202
C245 1u
D2
IN2-
C246 1u
D1
IN2+
C247 1u
D3
IN3-
C248 1u
C3
IN3+
C210
2.2u
SPK
RCV_SPK_P
EPN
RCV_SPK_N
EPP
HSL
HSR
C207
C208
2.2u
0.1u
C5
OUT+
D5
OUT-
A2
HPL
A1
HPR
C216
C217
0.1u
0.1u
B5
C222 2.2u
CPVDD
A3
C219 2.2u
CPVSS
R201
R204
A4
20
20
CP
A5
C218 2.2u
CN
1V8_VDD
FB210
220
C211
C209
2.2u
0.1u
R205
EAR_GND
0
- 89 -
4. TROUBLE SHOOTING
47pF
C221
TP05
FB208
120
C206
100pF
TP06
FB209
120
C220
VA201
VA202
47pF
RCV_SPK_P
RCV_SPK_N
C215
C214
HP_LOUT
47p
47p
HP_ROUT
LGE Internal Use Only
TP05
TP06
CN203
1
2
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