LG L705ix Service Manual page 54

as short as possible
100p
C227
6.8K
R234
2.2n C230
1000 pF
19.2M_CLK
DAC_RESET_N
I2C_2_SCL
I2C_2_SDA
I2S_BCLK
R235 R236
2.2K 2.2K
I2S_LCLK
I2S_DOUT
VREG_MSMP_2.7V
VREG_DAC_2.7V
VREG_DAC_2.7V
VREG_DAC_1.8V
VREG_DAC_3.0V
SP0204 => 1.25T
SP0204LE5-PB
SUMY0010602
G3
PWR
G2
G1
OUT
MIC200
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
< DAC & AMP >
0 R230
VREG_MSME_1.8V
0 R231
VREG_MSMP_2.7V
E1
PLLC
C231
F2
CLKI
D5
_RST
TP220
E6
SCL
F6
U204
SDA
YMU800-WZ
G4
BCLK0
F5
LRCK0
E5
SDIN
F3
BCLK1
G3
LRCK1
F4
SDOUT
E2
_TEST
0 R239
< MIC >
5
4
3
2
1
Rev C
Figure 3.11.9. Audio part schematics
- 55 -
3. TECHNICAL BRIEF
VREG_DAC_1.8V
VREG_DAC_2.7V
C1
MIN
D1
MIG
D2
MBS
47n
D3
AUXL
47n
C3
AUXR
B5
SPOUT1
A6
_SPOUT1_
B6
SPOUT2
C4
HPOUTL
B4
HPOUTR
B1
HPC
C2
VREF
C240 C241
0.1u 1u
R240 0
+VPWR
C245 C246 C247
0.1u 0.1u 1u
R233
0.1u C228
0.1u C229
C234
HPH_L
C235
HPH_R
SPK_P
SPK_N
100u C238
HP_L
100u C239
HP_R
ROHM 2012 100uF Rev_D
MICBIAS
0
MIC1N
MIC1P
LGE Internal Use Only