Sharp CD-C440W Service Manual page 20

CD-C440W/CP-C440W
A
MAIN PWB-A1(2/3)
B D_GND
11
CD_RWC
14
CD_WRQ
13
CD_SQIN
17
CD_COOUT
16
CD_CQCK
15
CD_SL+
19
CD_SL–
20
CD_RES
12
CD_MUT
3
REC/PB
22
REC_MUTE
26
C
HI_SPEED
23
R663
32
D_GND
R662
24
R661
25
REC RVS R660
44
REC FWD R659
39
R658
R657
D
R673
10K
E
F
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 12.
1
R612 1K
R611 1K
R610 1K
R609 1K
R608 1K
R607 1K
R606 1K
R605 1K
R604 1K
CD MUT
REC/P.B.
R602
1K
R671
1K
REC MUTE
P95/
80
FIP7
P96/
79
FIP8
P97/
78
FIP9
R667
P100/
77
1K FIP10
HI BSPEED
P101/
76
FIP11
P102/
75
FIP12
P103/ IC601
74
FIP13
P104/
73 IX0171AW
1K FIP14
BIAS
P105/
72
FIP15
SYSTEM MICROCOMPUTER
GND
71 VLOAD
12K
T1/T2
P106/
70
FIP16
1K
P.B.MUTE
P107/
69
FIP17
1K
REC RVS
P110/
68
FIP18
1K
REC FWD
P111/
67
FIP19
1K
P112/
66
FIP20
1K
P113/
65
FIP21
R656
1K
R655
1K
R672 R674
R675
10K 10K 10K
R676
47K
8 9
TO CD
SECTION
P17 10-H
2
Figure 20 SCHEMATIC DIAGRAM (5/14)
P17 7-H P23 12-C
TO CD SECTION TO DECK SECTION
21 18 42 43
R55
10K
R680
10K
SPE5
R623
1K
R624 1K
P13/
25
ANI3
R625 1K
P12/
26
ANI2
R626 1K
P11/ANI1
27
R627 1K
P10/ANI0 28
AVDD
29
AVREF
30
R633 1K
P04/XT1
31
XT2
32
VSS 33
X1
34
X2 35
P37
36
P36/BUZ
37
P35/PCL
38
SYS MUTE
P34/TI2 39
MIC
P33/
40
TI1
R632
1K
R628
1K
C602
0.022
R640
10K
R635
10K
R634
10K
R684
10K
D602
1SS133
+B
10 37 38 36
TO DECK
SECTION
P23 12-B
3 4
– 20 –
40
SPE4
SPE3
SPE2
SPE1
D_GND
+B
CNP501
11 10
CNS501
TO SRS PWB
P28 4-H
5
P18 5-
TO DISPLA
FW70
P23 12-D
TO DECK SECTION
WT502
30 29 1 2 3 4
R218
1K
R219
1K
D83
1SS1
C451
4.7/50
+B
R455
3.9K
+B
9 8 7 6 5 4 3 2 1 7
TO CD/DE
SECTION
P17 12-E
P23 12-B
6