Proview 770 - Page 34

200-100-SH770
S4
MVP2(AUDIO)
Proview Electronics (Taiwan) Co., LTD.
6F, NO.1, Pau-Sheng Rd., Yung-Ho City,
Taipei County, Taiwan R.O.C.
Tel: 886-2-2231-6789 Fax: 886-2-2232-4613
3
6
Tuesday, September 10, 2002
Title
Size Document Number Rev
Date: Sheet
of
VCC
VCC
VCC
OPVCC
GND
GND
GND
AUD_OFF4
PWM1_A 2
VCC_AU
Right_Outp
Left_outp
Left_Outm
LEFTIN
Left_Outm
Left_outp
Right_outm
R_P
Right_Outp
AUD4835_SD
AUD4835_DCVOL
RIGHTIN
Right_outm
L_M
L_P
R_M
C110
0.1uF
C111
0.1uF
C37 1uF
CN9
SCP606
C80 0.1uF
R87
20K
R38
2.2K
L32
L0603
R35
2.2K
R78
1K
R88
20K
R64
10K(NP)
CN5
BASE2S
1
2
R91
33K
R82
20K
U15
APA4835A
1 8 14 20 23
6 16 27
2
3
4
5
7
9
10
11
12
13
28
26
25 24 22
21
19 18
17
15
29
GND GND GND GND GND
VDD VDD VDD
Shutdown
Gain Select
Mode
Mute
DC_Vol
Right Dock
Right In
Beep In
Lift In
Left Dock
Right Out+
Right Out-
Right Gain2 Right Gain1 Bypass
HP Sense
Lift Gain1 Lift Gain2
Lift out -
Lift out +
GND
C103
33PF
CN10
SCP606
C105 0.33uF
R75
0(NP)
C106
0.33uF
R65
20K
C100
0.1uF
R66
33K
R76
20K
C102
0.0068UF
R90
20K
C90
0.1uF
R37
1K
R92 20K
R93 20K
C92
0.1uF
C93
0.0068UF
TC21
10uF/16V
12
+
-
U7A
LM358-SO8
3
2
1
8 4
R73 10K
R74
0R
+
TC7
100uF/16V
TC22
2.2UF/16V
12
L24
L0603
L31
L0603
L25
L0603
CN6
BASE2S
1
2
C94
33PF
L22
L0805/0R
1 2
C81 0.1uF
GAIN
HI HP OUT
SDWNMODE
10
MODE VCC OP VOL
HI SHUTDOWN
MUTE
00
MODE GND OP MAX
1
HPS
LOW SP OUT
L-OUT
R-OUT
WHITE---L
RED----R
DEL C109 , C108, C81,C80
DEL R89,R86
DEL C107