Clevo 2700T - Page 82

B - 19
Schematic Diagrams
Sheet 19 of 31
71-22T00-D03
A
AUDIO AMP
Custom
19 31Tuesday, September 11, 2001
0200-18.SCH
Tit le
Size Document Number Rev
Date: Sheet
of
ÂÅ ¤Ñ ¹q ¸£ CLEVO CO.
DACVCC
DACGND
DACGND DACGND DACGND
DACGND DACGND
DACGND
VCC
DACVCC
DACGND
DACGNDDACGND
DACGND
DACGNDDACGND
DACVCC
DACGND
DACGND
SOUND_R(18)
SOUND_L(18)
MIC1(18)
SPDIFON(23)
SPDIF(10)
AMP_DOWN (23)
Z95 Z84 Z96
Z97 Z83 Z98
L_OUT- R_OUT-
Z99 Z100
PHONE_IN
Z82
Z81
VSOUND_L
MUTEOU T
AMP_DOWN
MUTEOUT
Z104
SPDIFOUT
MIC 1
VSOUND_R
Z121
L_OUT+ R_OUT+
INT_MIC
VSOUND_L
INT_MIC
VSOUND_R
Z94
Z93
L_OUT-
R_OUT-
R_OUT+
L_OUT+
Z556
SPDIF
SPDIFON
Z103
Z665
Z666
Z5
Z101
PHONE_IN
L_OUT+
R_OUT+
Z4
Z122 Z102
Z922
Z921
Z923
Z924
Z930
+ C27 47U/16V_D
+ C28 47U/16V_D
R16 100K
R17
100K
L36 BEAD
L3 BEAD
C226
10U
R242 7.5K
C2
680P
C258
0.01U(R)
C257 .1U R240 1K
C232
680P
C20
680P
VR1
VR-AUDIO
1
3
5
2
6
L37
BEAD(0805)
L55 BEAD
CN13
INT MIC CONN. 3P
1
2
3
CN22
SPEAKERS CONN. 4P
1
2
3
4
1
2
3
4
CN1
MIC IN
2
5
3
4
1
CN9
EXT_SPEAKER
2
5
3
4
1
R1
7.5K(R)
C121 1U
C120 1U
C29
.1U
U1
PI5A319
1
2
3
45
6
7
8
COM
NC
GND
VCCNIC
IN
NIC
NO
R241 0(R)
L54 BEAD
C62
680P
C63
680P
R57 10K(1%)
C101
10P
C80
10P
C92
.1U
R90 10K
R81 10K(1%)
C478
0.01U
C1
.22U(0603)
C81
1U
C118
1U
R72
10K
R71
18K(1%)
R91
18K(1%)
R92
10K
U10
APA2020A
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
MUTE OU T
MUTE IN
SE/BTL#
HP/LINE#
SHUTDOWN
L_OUT-
L_OUT+
R_OUT-
R_OUT+
L_HP IN
L_LINE IN
R_HP IN
R_LINE IN
R58 10K
R6
1K
R117
10K
C93
4.7U
C79 0.22U
C78 0.22U
R522 7.5K
C90 0.22U
C91 0.22U
C19
680P
R243
1K
C233
680P
R586
R
TP241
TP240
TP238
TP239
TP237
DACGND:25,26,27,28,29,30,31,32,33
PIN NC3.4=DACGND
NEAR TO AKM4543
NEAR AKM4543 PIN