Aiwa IC-DP200 Service Manual page 10

SCHEMATIC DIAGRAM – 1 (AUDIO)
Q Q
3 7 6 3 1 5 1 5 0
AUDIO C.B
2.4VDD
T E
L 1 3 9 4 2 2 9 6 5 1 3
Q702
2V REG SW
IC703
2V REG
R03
10K
w w w
TO DIGITAL C.B
CON101
CON601
BATT+
2.4VDD 1 2
BATT+
DCEN 4
3
6
D-RST 5
I2D 8
7
5VDD
10
I2C 9
5.0VDD
12
BEEP
11
14
D-EOD 13
16
PRTR 15
3.1VDD
18
PRTW
17
3.1VDD
20
D-PR 19
22
PCS
21
24
D7 23
5V-CTL
D6
25 26
D5 27 28
SP-CON
D4 30
29
L601
D3 31 32
22uH
D2 34
33
D1 36
35
L602
38
D0 37 22uH
40
39
RESET
SW601
MST112-184S
(RESET)
Q01
FDC6329L
4 3
Q01
S2 D2-2
POWER
2 SWITCHING
5
G1 D2-1 5.0VDD
R01
220K
6 S1 1
D1
C01
IC701
0.22uF
MAX1676 EUB-T
10 1
OUT FB
9 2
LX LBI
L701
8 3
22uH
GND LBO
7 4
BATT CLSEL
6
REF 5
SHDN
C702
0.1uF
5V DC-DC CON
Q701
KRC110S
5V DDC ON/OFF
x a o
y
. i
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L603
10uH
2.4VDD
D601
MA729
3.1VDD
17
DCSO1
18
DCSG1
19
DCSG2
20
DCSO2
21
VSENS2
D602
MA729
22
DCEN
3.1VDD
23
CLKO
24 IC601
I2CC
MAS3549F
VOICE DSP
25
I2CD
26 Q Q
SYNC
3 7 6
27
VBAT
28
PUP
R634 D-EOD
22
29
EOD
R635 PRTR
22 30
PRTR
R636 PRTW
22
31
PRTW
R637 D-PR
22 32
PR
PCS
L702
27uH
u 1 6 3
.
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8 9 2 4 9
C622
1uF
R626
10K
C621
TC607
1uF
4.7uF/16V
ALC R625 C620
AMP
2.2K 1uF
Q609
KTC3875
64
AVDD1
63
PVDD
62
VREF
61
AVSS1
C610
0.01uF
FILTR 60
59
AVSS0
OUTR 58
OUTL 57
56
AVDD0
FILTL 55
3 1 5 1 5 0 8 9 2
C611 R621
54
0.01uF 10K
SPDIR
53
SPDI1
C615
0.001uF
52
SPDI2
51
SIBI
TC606
22uF/4V
50
SIBC
49
SIBD
IC602
NJM2076M
Q607
AF AMP
KTA1505
8
BASE-A
7
A-OUT
6
GND
5
B-OUT
Q607, 608
AF AMP BIAS
m
c o
SIGNAL :
NOTE :
PB NM = NO MOUNT
REC
8 2 9 9
JACK601
L604 HSJ1456-010210
10uH
EXT. MIC
3
2
L605
1
10uH
+
MIC+
MIC601
MIC-
OB-22L40
L606 MICROPHONE
10uH
4
3
2
L607
10uH
1
L608
E-GND JACK602
10uH
HSJ1456-010320
HEADPHONE
Q604
KTA1663
BATT+
4 9 8 2 9 9
Q604, 605
Q605
AF AMP
KRC110S
POWER SW
R629
220K
A-IN 1
B-IN 2
-
3
+
VCC
BASE-B 4
SP-
SP601
Q608 (SPEAKER)
KTA1505 8 OHM
R671
10K
R670
220K