Sharp CD-C470H Service Manual page 25

WB
R749
10K
R779 10K
R780 1.8K
R781 10K
R782 10K
KEY-5 R714 1K
KEY-4 R715 1K
19 20 21 22 23 24
KEY-3 R716 1K
P13/
25
ANI3
KEY-2 R717 1K
P12/
26
ANI2
KEY-1 R718 1K
P11/ANI1 27
KEY-0 R719 1K
P10/ANI0 28
AVDD
29
AVDD
AVREF
AVREF
30
P04
P04/XT1 31
XT2
XT2
32
XL701
VSS C703
VSS 33
4.19MHz 15P
X1
34
(CH)
X2
35
42 41
CE
P37 36
R720 1K
DI
P36/BUZ 37
R721 1K
CL
38
P35/PCL
R722 1K
P34/TI2 39
C704
P33/ 18P
40
TI1
(CH)
46 45 44 43 42 41
R728
10K
+B
+B
–B +B
3 1
FW703
WT601 TO MAIN PWB
P27 7-H
7
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CD-C470H,C470E,C480H/CP-C470H,C470E,C480H
RD07 RD06 RD05
12K 5.6K 3.9K
SW708 SW707 SW706 SW705
DISK
OPEN
DISK 3 DISK 2
/CLOSE SKIP
LED715 LED714
DISC 3
LED717 LED716
DISC 2
DISC 1 LED719 LED718
DISPLAY PWB-C2
+B
+B
+B
CD-C480H
ONLY
RD36
56K
+B
18 17 16 15 14 13 12 11 10
1
5V BACK UP
L701
100µH
D705
1SS133
R763
1K
C706
0.01
8 9
Figure 25 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
1.2K 2.2K
1K 1.8K
SW709 SW710 SW711
SW712
TUNER
CD
TAPE VIDEO
/BAND
RD37
1K
RD15
RD16 RD17
RD18
1.2K 2.2K
1.8K 3.9K
SW717 SW719
CENTER CENTER
MODE/ MODE/
PHANTOM NORMAL
RD22 RD23 RD24 RD25
1K 1.2K 1.8K 2.2K
SW726
SW725 SW727 SW728
4-SP
VOLUME
X-BASS
STOP
SURROUND
UP
RD29 RD30 RD31 RD32
1K 1.2K 1.8K 2.2K
SW733 SW734 SW735 SW736
VOLUME EQ. 3D
REVERSE
SURROUND
DOWN /DEMO
R747
820
LED712
R746
R748
R745
333YTH4
820
820 1K
LED710
R744
333YTH4
820
R743
333YTH4
820
R742
333YTH4
820
IC702
INPUT/OUTPUT
BU2092F
EXPANDER
2 3 4 5 6 7 8 9
R741 1K
R740 1K
R739 1K
R738 1K
R737 1K
+B
Q705
KTC3199 GR
MTZJ3.9B
+B
Q704
R770
KRC102 M
C707 R769
1K
3.3/50
10K
2 3
R768
0V
R771
5V 0V
10K
0V 100
1
0V
0V
0V
Q706
KTC3199 GR
R767
R772
82
1K
+B
+B
10
– 25 –
6
+B
CD-C470H/
480H ONLY
RD13 RD14
RD12
3.9K 5.6K 12K
SW716
SW713 SW714 SW715
DISPLAY
PTY/TI
ASPM
EON
SERCH MODE
RD20 RD21
12K
5.6K
SW721 SW724
SW723
DOLBY
LOGIC/
REC/ TUNING
BYPASS
PAUSE UP/TIME
RD26 RD27 RD28
3.9K 5.6K 12K
SW729 SW730 SW731 SW732
MEMORY TUNING
FWD
FF
/SET DOWN
RD33 RD34 RD35
3.9K 5.6K 12K
SW740
SW737 SW738 SW739
EDIT EDIT
REV REW
NORMAL HIGH
CD-C480H
ONLY
SRS ON
LED711
DOLBY SRS
333YTH4
PHANTOM STEREO
LED708 LED709
333YTH4
NORMAL MONO
LED706 LED707
333YTH4
PASS PASS
LED705 333GTH2 REV
LED704 333GTH2 REW
LED703 333GTH2 STOP
LED702 333GTH2 FF
LED701 333GTH2 PLAY
+B
D708
1SS133
D707
ZD701
1SS133
+B
R773
RX701 27
R774
150
1 2 3
C709
100/6.3
+B
11 12