Sharp CD-C811W Service Manual page 25

FL701
DISPLAY
5 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
94 96
1 82 83 84 85 86 87 88 89 90 91 92 93 95
LOAD
0V
7 0V
P6 1 VDD
80
8
0V
9 0V
10 0V
11 0V
14 0V
20 0V CD DSP RWC
IC701 0V
13 4.81V
0V
IX0309AW
16/DIST1 0V
15/DIST2 0V SYSTEM
21/DIST3 0V
MICROCOMPUTER
22/DIST4
0V
ISTOUT
CD DSP WRQ
0V
PN_P
0V
P DET
5V
C
5V 5V CD DSP COIN
OWER 5V
HI-CUT
C CD DSP CQCK
5V
C
CD DSP RES
5V
C
0V
KEYIN3
31
MUTE
REC/PLAY
52 KEYIN2
32
EY JOG B
AC PLY-CON
51 33 KEYIN1
EY JOG A
ISTO
_T1T2
-BIAS
0 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31
R755 10K
R752
R756 10K
10K
R753 R757 10K
10K
R754
10K
7
31 32 33
98 99
97 100
5V
1
NC
5V 2
R778 1K
3
DO
5V
1K
R777
DI 4
0V
R776 1K
5
0.7V CE
1K
R775
4.62V CLK
6
0V 7 NC
NC
0V 8
R772 1K
9
R771
1K
RESET
10
2.3V X2
11
4.19MHz
XL701
2.11V X1
12
0V VPP 13
NC
0.32V 14
R770 1K
15
VDD
5V 16
R769 1K
0V PCCL
17
R768 1K
18
R767 1K
19
0V SQOUT
R766 1K
20
R765 1K
21
R764 1K
FRF(DRF)
22
R763 1K
0V SLD+ 23
R762 1K
0V SLD– 24
0V AVSS 25
0V 26
27
0V
0V 28
TUN SM
29
T2 RUN
30
5V
RD21 RD22
820 1.2K
SW722 SW723
TUNING
REWIND
UP
RD10 RD11
820 1.2K
SW710 SW711
FAST
RECORD
FORWARD
PAUSE
RD01 RD02
820 1.2K
SW701
ON/
STAND-BY
8
Figure 25 SCHEMATIC DIAGRAM (8/15)
C709
0.022 SPARE
C710
220/10
C707
15P
C708
18P
IC704
L702
100µH
KIA7042AP
5V BACK UP
RESET
D721
3
DS1SS133
C712
5V
3
3.3/50
2
0V
5V
0V
1
Q704
C713
KRC102 M
0.022
RESET
RD23 RD24 RD25 RD26
1.5K 1.8K 2.2K 3.3K
SW724 SW725 SW726 SW727 SW728
TUNING VOLUME X-BASS/
VOLUME
PLAY
DOWN DOWN
UP DEMO
RD12 RD13 RD14 RD15
1.5K 1.8K 5.6K 3.9K
SW712 SW713 SW714 SW715 SW716
MEMORY/ TUNER
CD
TAPE
SET STOP (BAND)
RD03 RD04 RD05
1.5K 1.8K 10K
FW703
SW703 SW704
3 3
TIMER/
CLOCK
SLEEP
1 1
9 10
– 25 –
DISPLAY PWB-A1
R780
10K
BI701
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R711
4.7K
D719 D720
5V DS1SS133 DS1SS133
1
REMOTE
SENSOR
2
RX701
0V
R798
100
1 2 3
C714
0.022
+B
RD06
SW707
SW706
6.8K
DISK OPEN
/CLOSE
SKIP
SWITCH PWB-A4
11
CD-C811W/821W
RWC(DSP)
1
2 WRQ(DSP)
CO IN(DSP)
3
4 SQ OUT(DSP)
CQ CK(DSP)
5
6 RES(DSP)
DRF(ASP)
7
8 D_GND
SLD+
9
SLD–
10
PUIN SW
11
OPEN/CLOSE
12
DISC NO
13
14 UP/DOWN
PCCL
15
CNS701
12