Schematic Diagrams
Audio Codec ALC202 B - 21
B.Sch
e
m
a
tic D
iag
rams
Audio Codec ALC202
Sheet 20 of 36
Audio Codec
ALC202
+3VS
AUD_AGND
AUD_AGND
AUD_AGND
AUD_AGND
AUD_AGND
AUD_AGND
AUD_AGND
+5VS
AUD_AGND
AUD_AGND
AUD_AGND
AUD_AGND
AUD_AGND
AUD_AGND
+3VS
AUD_AGND
AUD_AGND
+5VS
AUD_AGND
AUD_AGND
AVDDA
AUD_AGND
AUD_AGND
AUD_AGND
AUD_AGND
AUD_AGND
AUD_AGND
AUDVDD
AUDVDD
+5VS
AVDDA
AUD_AGND
+5VH8
+12V
AUD_AGND
+5VS
AVDDA2
+12V
+5VH8
AUD_AGND2
AUD_AGND2
AUD_AGND2
AUD_AGND2
AUD_AGND2
AUD_AGND2
AUD_AGND2
AUD_AGND2
AVDDA2
AUD_AGND2
AC_RST#
12,15
AC_BITCLK
12,15
AC_SDATOUT
12,15
AC_SYNC
12,15
AC_SDATAIN0
12
INT_CD_R 16
INT_CD_L 16
CD_GND
16
H8_BEEP
20
PCMSPK
22
AC_SPKR
12
+5VS
11,13,15,16,18,20,28,31,32,35
SPDIF
31
MIC1
31
V_REFOUT 31
HP-SENSE
31
LINE_OUT_L 31
LINE_OUT_R 31
14.3M
10
HP-SENSE
31
ICHPWROK
4,11,12,13,31
+3VH8
3,11,20,31,32,34,37
AUDVDD 31
+3VS
3,8,10,11,12,13,15,16,17,18,20,25,27,28,29,31,32,33,35,37
+12V
23,32,34,35
+5VH8
18,20,31,32,33,34,35
HP_EN#
18,20
RINGER
18
MODEM_SPK
15
18
ICHPWROK
4,11,12,13,31
HP-SENSE
31
Z2107
BEEP
Z2121
Z2106
Z2118
Z2117
SPDIFO
LO-
BEEP
+5VS
Z2124
Z2119
Z2120
Z2127
Z2122
Z2131
V_REFOUT
Z2116
Z2128
Z2130
Z2126
Z2109
Z2105
Z2129
Z2115
Z2111
Z2110
Z2102
Z2123
Z2104
Z2114
Z2112
Z2101
Z2103
Z2133
Z2125
MIC1
Z2113
Z2132
RO-
RO+
LO+
SPDIFO
Z2155
Z2150
Z2153
Z2154
Z2156
Z2152
Z2151
LINE_OUT_L
Z2142
Z2157
SPKL2
Z2138
Z2137
Z2139
Z2146
Z2143
Z2135
LINE_OUT_R
SPKR2
SPKL1
Z2144
Z2140
MIC1
Z2141
SPKR1
Z2148
Z2149
+3VS
AUDVDD
+3VH8
+5VH8
+12V
Z2108
PLO-
PLO+
PRO+
PRO-
Z2173
Z2174
Z2147
Z2164
Z2145
PR1+
Z2161
Z2172
Z2168
PL1-
LINE_OUT_R
Z2162
SPDIFGND
Z2169
LINE_OUT_L
Z2171
PR1-
LINE_OUT_R
Z2136
LINE_OUT_L
Z2160
Z2167
Z2166
Z2160
Z2170
PL1+
Z2165
Z2163
PLO-
PRO+
PRO-
PLO+
PRO+
PLO-
PLO+
PRO-
C29
180PF
R229
*0(0402)
R225
0(0402)
L3
L_0603(129)
R224
0(0402)
L4
L_0603(129)
C412
1u
JSPK1
ACES/CON4
1
2
3
4
1
2
3
4
L101
L_1206
1
2
R497
20K
R242
20K
R248
20K
RN9
*8P4RX0
1
8
2
7
3
6
4
5
C396
4.7U(0805)
C373
1u
C413
.01u
C808
1u
R549
51K
U46
LM4835 TSSOP28
21
5
4
13
12
11
10
9
6
16
27
1
8
14
20
23
22
2
24
25
3
7
19
18
17
15
28
26
29
HP_SENSE
MUTE
MODE
LEFT_DOCK
LEFT_IN
BEEP
RIGHT_IN
RIGHT_DOCK
VDD
VDD
VDD
GND
GND
GND
GND
GND
BYPASS
SHUTDOWN
R-GAIN1
R-GAIN2
GAIN_SEL
DC_VOL
L-GAIN1
L-GAIN2
LEFT_OUT-
L
RI
RIGHT_OUT-
GND
R528
51K
U53
LM4835 TSSOP28
21
5
4
13
12
11
10
9
6
16
27
1
8
14
20
23
22
2
24
25
3
7
19
18
17
15
28
26
29
HP_SENSE
MUTE
MODE
LEFT_DOCK
LEFT_IN
BEEP
RIGHT_IN
RIGHT_DOCK
VDD
VDD
VDD
GND
GND
GND
GND
GND
BYPASS
SHUTDOWN
R-GAIN1
R-GAIN2
GAIN_SEL
DC_VOL
L-GAIN1
L-GAIN2
LEFT_OUT-
L
RI
RIGHT_OUT-
GND
T380
T
C30
180PF
C776 1u
C408
*.1u
+
C395
10U(0805)/6.3V
1
2
R268
1.5K(0402)
C382 .1u(0402)
C403
.1u(0402)
C805
4.7U(0805)
C374
1u
R554
20K
R267
1.5K(0402)
R258
1.5K(0402)
R257
1.5K(0402)
C405
1u
PQ66
4800
4
6
2
5
7
3
1
8
C411
1u
C779
.1u(0402)
R532
51K
R499
*0(0402)
C397
4.7U(0805)
C410
*.1u
C406
1u
R496
20K
C746
1u
R276
10K(0402)
R555
20K
R531
33K
R508
*0(0402)
C398
.1u(0402)
R275 10K(0402)
C394
.1u
C393
*.1u
R265
1.5K(0402)
R266
1.5K(0402)
C422
.1u(0402)
C427
.1u(0402)
C781
.1u(0402)
C765
1000PF(0402)
C409
.1u
C757
1u
C387
1u
C384
1u
C773
10U(0805)/6.3V
C407
*.1u
C361
10U(0805)/6.3V
C356
10U(0805)/6.3V
C392
*.1u
L78
L_1206
1
2
C357
.1u(0402)
C376
.1u(0402)
C760
1000PF(0402)
Y6
24.576MHz
1
2
ALC650/ALC202
U47
ALC202
43
44
45
46
47
48
39
40
41
31
32
33
34
26
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
27
28
29
30
35
36
37
38
42
25
JD/SDIN1/GPIO0
TEST1/GPIO1
ID0#
XTLSEL
EAPD/SPDIFI
SPDIFO
HP_OUT_L
NC/HP_OUT_C
HP_OUT_R
VRAD/CAP1
VRDA/CAP2
CAP1/CAP3
NC/CAP4
AVss1
DVdd1
XTL_IN
XTL_OUT
DVss1
SDATA_OUT
BIT_CLK
DVss2
SDATA_IN
DVdd2
SYNC
RESET#
PC_BEEP
PHONE
AUX_L
AUX_R
VIDEO_L
VIDEO_R
CD_L
CD_GND_REF
CD_R
MIC1
MIC2
LINE_IN_L
LINE_IN_R
VREF
V_REFOUT
AFILT1
AFILT2
LINE_OUT_L
LINE_OUT_R
MONO_OUT
AVdd2
AVss2
AVdd1
L79
L_1206
1
2
C381 22PF(0402)
C388
22PF(0402)
C769
.1u(0402)
C375
.1u(0402)
R274
33K
JSPK2
ACES/CON4
1
2
3
4
1
2
3
4
C804
.01u
C810
4.7U(0805)
C391
.1u(0402)
R550
33K
C364
*.1u
R551
100K(0402)
R552
20K
C806
.1u(0402)
C740
10U(0805)/6.3V
R553
20K
C385
*10PF
R556
33K
C809
1u
R557
51K
C775
.1u(0402)
C807
.1u(0402)
C811
.01u
C378
*1u
PQ69
4800
4
6
2
5
7
3
1
8
D42
*RB751V
A
C
C815
.1u(0402)
C771
.1u(0402)
C816
.1u(0402)
T
Q28
2N7002
G
S
D
CP1
8P4C_180P
1
2
3
4
5
6
7
8
L7
PLW3216S_S8
1
2
3
4
5
6
7
8
R559
100K
C777
4.7U(0805)
C802
10PF
C818
4.7U(0805)
R518
100K
C814
4.7U(0805)
C415
.01u
R558
1M
Q27
2N7002
G
S
D
C780
4.7U(0805)
RN8
8P4RX0
1
8
2
7
3
6
4
5
C817
4.7U(0805)
Q23
2N7002
G
S
D
L6
L_0603(129)
Q22
2N7002
G
S
D
C377
.1u(0402)
R240
10K(0402)
L5
L_0603(129)
R260
22(0402)
R255
22(0402)
R226
100K(0402)
C782
.1u(0402)
C32
180PF
R241 *0(0402)
C31
180PF
R538
4.7K(0402)
R512
1M
C420
*.1u
L82
L_0603(164)
1
2
C372
*.1u
C363
*.1u
C419
*.1u
C752
4.7U(0805)
U51
TC7S32F
1
2
3
5
4
IN
IN
GND
VCC
OUT
T
T
T
T
T
PLEASE PLACE CLOSE THE
POWER INPUT PINS
PLEASE PLACE CLOSE CODEC &
AMP THE POWER INPUT PINS
REMOVE M/E POSITION
INSTALL R536 IF EXT 14.3MHZ CLK
fo=1 /2*3.14*51K*300PF = 10.4KHZ
AV = R528/R274=1.55
7/9
AVDDA
LINE_OUT_R/L
9/17
CLOSED TO U60 AMP APA4835
USE ALC203 MUST BE REMOVE R240,C387,C384,C757
+
+
11/1
11/1
1/6
1/6
1/6
1/6
1/6
1/6
1/6
1/6
FRONT
CLOSED TO U46
CLOSED TO JSPK2
CLOSED TO U53 AMP APA4835
1/7
CLOSED TO U53
CLOSED TO JSPK1
PANEL
+
1/7
+
All manuals and user guides at all-guides.com
Summary of Contents for M375E MILANO
Page 1: ...All manuals and user guides at all guides com a l l g u i d e s c o m ...
Page 2: ...All manuals and user guides at all guides com ...
Page 40: ...Disassembly 2 16 2 Disassembly All manuals and user guides at all guides com ...
Page 52: ...Part Lists A 12 A Part Lists All manuals and user guides at all guides com ...
Page 90: ...Schematic Diagrams B 38 B Schematic Diagrams All manuals and user guides at all guides com ...