Sharp CD-C440W Service Manual page 19

P21 7-A
O MAIN PWB
FW702
7
KEY-5
KEY-4
16 17 18 19 20 21 22 23 24
15
KEY-3
P13/
25
ANI3
KEY-2
P12/
26
ANI2
KEY-1
P11/ANI1
27
KEY-0
P10/ANI0 28
AVDD
29
AVDD
AVREF
AVREF 30
P04
P04/XT1
31
XT2
XT2
32
VSS
PUTER
VSS 33
X1
34
X2
35
42 41
CE
P37 36
DI
37
P36/BUZ
CL
P35/PCL 38
P34/TI2 39
C704
P33/ 18P
40
TI1
(CH)
50 49 48 47 46 45 44 43 42 41
R728
10K
777
3
C713
1/50
+B
+B
–B
13
WT601 TO MAIN PWB
P21 7-H
7
RD07 RD06
12K
SW708 SW707 SW706
OPEN DISK
/CLOSE SKIP
LED715
DISC 3
DISC 2 LED717
LED719
DISC 1
DISPLAY PWB-C2
R749
10K
+B
R779 10K
R780 1.8K
R781 10K
+B
+B
R714 1K
R715 1K
R716 1K
R717 1K
R718 1K
R719 1K
RD36
15K
C703
15P
(CH)
XL701
R720 1K
R721 1K
R722 1K
+B
L701
100µH
1
FW703
8
Figure 19 SCHEMATIC DIAGRAM (4/14)
RD05 RD04
5.6K 3.9K 2.2K
SW705 SW704
1
DISK 3 DISK 2 DISK 1
LED714
LED716
LED718
+B
6
LED714~LED719:
FW701
LMKD515B
RD01 RD02
1K 1.2K
SW701 SW702 SW703
ON/ TIMER
CLOCK
STAND-BY /SLEEP
RD08 RD09
1.2K
1K
SW709
SW710 SW711
TUNER
CD
/BAND
RD15
RD16
1K
1.2K
SW717 SW719
CENTER
MODE/
PHANTOM
RD22 RD23
RD24
1K 1.2K
1.8K
SW725 SW726
VOLUME
X-BASS
UP
RD29 RD30
1K 1.2K
SW733 SW734
SW735
3D
VOLUME EQ.
SURROUND
DOWN /DEMO
R747
820
R746
R748
820
820
+B
18 17 16 15 14 13 12 11 10
IC702
BU2092F
1 2 3 4 5 6 7 8 9
5V BACK UP
+B
Q705
KTC3199 GR
D705 Q704
R770
1SS133 KRC102 M
C707
3.3/50
2 3
R768
R763
5V 0V
1K
0V
1
0V
C706
0.01
R767
82
+B
+B
9 10
– 19 –
CD-C440W/CP-C440W
1 6
RD03
1.8K
RD10 RD11
RD12 RD13 RD14
1.8K 2.2K 12K
3.9K 5.6K
SW712
TAPE VIDEO
RD21
RD17 RD18 RD19 RD20
1.8K 12K
2.2K 3.9K 5.6K
SW721 SW723
CENTER DOLBY
MODE/ LOGIC/
REC/
NORMAL BYPASS
PAUSE
RD25
RD26 RD27 RD28
2.2K 3.9K 5.6K 12K
SW728 SW729 SW730 SW731
MEMORY
STOP FWD
FF
/SET
RD31 RD32 RD33 RD34 RD35
1.8K 2.2K 3.9K 5.6K 12K
SW736 SW737 SW738 SW739
EDIT
REVERSE REV
REW
NORMAL
R745
1K
LED710
LED711
R744 DOLBY
5N4YTN52
5N4YTN52
820
PHANTOM
LED708 LED709
R743
5N4YTN52 5N4YTN52
820
NORMAL
LED706 LED707
R742
5N4YTN52 5N4YTN52
820
PASS
INPUT/OUTPUT
EXPANDER
LED705 5N4GTN52
R741 1K REV
R740 1K LED704 5N4GTN52 REW
LED703 5N4GTN52
R739 1K STOP
R738 1K LED702 5N4GTN52 FF
R737 1K LED701 5N4GTN52 PLAY
+B
D708
1SS133
D707
ZD701
1SS133
MTZJ3.9B
+B
R769 R773
1K
10K RX701 27
0V
R774
R771
10K
150
100
1 2 3
0V
0V
C709
Q706
100/6.3
KTC3199 GR
R772
1K
11
+B
SW724
TUNING
UP/TIME
SW732
TUNING
DOWN
SW740
EDIT
HIGH
SRS ON
SRS
STEREO
MONO
PASS
+B
+B
12