Download Sharp CD-K491W Service manual

H
1
2
3
C601
0.47/50
C634
0.082
(ML)
R606 15K
R605
150K
C610 C611
2.2/50 0.1/50
R636
1K
4
Figure 32 SCHEMATIC DIAGRAM (11/20)
– 32 –
C616
0.15/50
R619
22K
0V
DA CONT 20
VCC 19
17 REF
18 GND
DA INT IN 21
DA INT OUT 22
2.3V
4.7V
0.6V
2.3V
+B
C629
0.068
(ML)
R617
10K
R618
15K
C621
2.2/50
C620
2.2/50
C623
2.2/50
C622
2.2/50
C624
0.1/50
C630
0.22(ML)
R616
15K
R615
3.3K
D601
1SS133
C628
0.082(ML)
C627
0.022(ML)
C626
0.1/50
R614
39K
C619
100P
C618
0.01(ML)
R612
56K
+B
+B
DIGITL
ECHO
2.3V
2.3V
2.3V
2.3V
2.3V
2.3V
2.3V
C625
0.0082
LPF2 IN 23
2.3V
LPF2 OUT 24
ECHO VOL IN 25
R LINE IN 26
L LINE IN 27
R LINE OUT 28
L LINE OUT 29
MIC ECHO OUT 30 2.3V
MIC SW
AUD SW1 33
R610
1K
C617
0.15/50
R-in
L-in
R-out
L-out
V.CAN
B
C615
220/10
AD CONT
AD INT OUT
0V
0V
R611
1K
CLOCK 32
1.6V
0.5V
31
AUD SW2 34
4.7V
2.3V
C
AD INT IN
LPF1 OUT
LPF1 IN
2.3V
2.3V 11 MIC OUT
10 MIC2 VOL IN
7 ALC2
0V
2.3V 8 MIC2 NF IN
C609
270P 9 MIC OUT
2.3V
6 MIC2 IN
5 MIC1 VOL IN
4 MIC1 OUT
3 MIC1 NF IN
VALC 35
2 ALC1
2.3V 12
C612
R608 15K
0.0082
13
2.3V
C613 0.068(ML)
14
2.3V
2.3V 15
C614
R609 33
0.22
16
(ML)
0.6V
R607 10K
VR601
20K(B)
MIC1
VOLUME
C608
2.2/50
MIC2 VOLUME
C633
2.2/50
VR602
20K(B)
F
R601
5.6K
R602
5.6K
R604
150K
R603
1K
0V
2.3V
C605
270P
2.3V
2.3V
C606
0.1/50
2.3V
VCFIL 36
E
1 MIC IN
D
C604
2.2/50
2.3V
MIC
IN(R)
OUT(R)
+12V(A)
GND(A)
IN(L)
OUT(L)
V.CAN
9
8
7
6
5
4
3
2
1
BI601
KARAOKE PWB-L
J601
MIC1
J602
MIC2
G
C602
0.47/50
MIC AMP.
IC601
M65845FP
9
8
7
6
5
4
3
2
1
CD-K491W
TO MAIN PWB
P25 12 - D
CNPU02
A
CNSU02
FM SIGNAL
GND(D)
+B
+B
R669
220
R670
220
C677
47/25
ZD631
MTZJ5.6B
R668
1.2K
R667
VOLTAGE
100
6.4V
REGULATOR
5.4V
Q631
KTC3203 Y
C674
4.7V
47/25
C673
0.022
C672
47/25
VR603
20K(B)
C632
100/10
C631
0.022
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
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