Sharp CD-C440W Service Manual page 19

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