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Schematic Diagrams
71-22C00-D02
A
AUDIO AMP
Custom
19 31Monday, Mar ch 05, 2001
0200-18.SCH
Title
Size Document Number Rev
Dat e: Sheet
of
ÂÅ ¤Ñ ¹q ¸£ CLEVO CO.
DACVCC
DACGND
DACGND DACGND DACGND
DACGND DACGND
DACGND
VCC
DACV CC
DACGND
DACGNDDACGND
DACGND
DACGNDDACGND
DACVCC
DACGND
DACGND
SOUND_R(18)
SOUND_L(18)
MIC 1(18)
SPDIFON(23)
SPDIF(10)
AMP_DOWN (23)
Z95 Z84 Z96
Z97 Z83 Z98
L_OUT - R_O UT-
Z99 Z100
PHONE_IN
Z82
Z81
VSO UND_L
MUTEOUT
AMP_DOWN
MUTEOUT
Z104
SP DIF O UT
MI C1
VSOUND_R
Z121
L_OUT + R_O UT +
INT _MIC
VSO UND_L
INT _MIC
VS OUND_R
Z94
Z93
L_ O U T -
R_O UT-
R_O UT +
L_OUT +
Z556
SPDI F
SP DIFON
Z103
Z665
Z666
Z5
Z101
PHONE_I N
L_OUT +
R_ O UT+
Z4
Z122 Z102
R81
10K
R90
10K
C92
.1U
C80
10P
C101
10P
R57
10 K
R58
10 K
R92
10K
R91
15K
R71
15K
R72
10K
C118
1U
C81
1U
C91 0.22U
C90 0.22U
C78 0.22U
C79 0.22U
C93
4.7U
R117
10K(R)
R240
1K
C257
.1U
C258
0.01U( R)
C2
680P
CN1
MI C IN
2
5
3
4
1
CN22
SPEAKERS CONN. 4P
1
2
3
4
1
2
3
4
CN13
INT MIC CONN. 3P
1
2
3
L55 BEAD
L54 BEAD
R241 0(R)
U1
PI5A319
1
2
3
45
6
7
8
COM
NC
GND
VCCNIC
IN
NIC
NO
C29
.1U
C1
.22U(0603)
R242 7.5K
C226
10 U
L37
BEAD( 0805)
U10
T PA0202
1
12
13
24
2
17
23
7
18
6 19
9
11
14
16
8
10
3
15
22
5
4
20
21
GND/HS
GND/HS
GND/HS
GND/HS
NC
NC
NC
VDD
VDD
L_BYPASS R_BYPASS
MU T E O UT
MUT E I N
SE/BTL#
HP/LINE#
SHUTDOWN
L_OUT-
L_ OUT+
R_OUT -
R_OUT +
L_H P I N
L_LINE IN
R_HP IN
R_LINE IN
C120 1U
C121 1U
VR1
VR-AUDIO
1
3
5
2
6
C63
680P
C62
680P
C478
0. 01U
R522
7.5K
R1
7.5K(R)
L3
BEAD
L36 BEAD
R17
100K
R16 100K
+
C28 4 7U/1 6V_D
+
C27 4 7U/1 6V_D
C20
680P
C232
680P
CN9
EXT_SPEAKER
2
5
3
4
1
R6
1K
C233
680P
R243
1K
C19
680P
DACGND:25,26,27,28,29,30,31,32,33
PIN NC3.4=DACGND
NEAR TO AKM4543
NEAR AKM4543 PIN