Sharp CD-BA300

– 25 –
CD-BA300
Figure 25 SCHEMATIC DIAGRAM (6/10)
7
8 9 10 11 12
321
TO POWER AMP PWB
P23 12-D
L
R
O/C SW
SPN
DISC NO SW
O/C DISC NO SW
M_+12V
B
WRQ(DSP) DRF CD CE CD DO CD DI CD CLK RES OUT CLAMP SW
–15V
L
R
S_MUTE
P_IN
SP DET
G14 G13 G12
SP_RLY
–VF
VF2
VF1
UN_SW 5V
+5V
DI
CE
DO
CLK
SPAN_LCH
SPAN_RCH
A_+10V
–20dB ATT
T_T1 T2
T_BIAS
REC/PLAY
D_GND
AVREF
SPEANA1
XT2
DRF
RES OUT
–20dBATT
F
5V BACK UP
T_SOL B
F F G11 G10 G09 G08 G07 G06 G05 G04 G03 G02 G01
VDD
G1 G2 G3 G4 G5 G6 G7 G8 G9
G10 G11
T_MOTOR T_SOL A SMUTE VSS REMOCON JOG 0 JOG 1 P-IN
KEY 0 KEY 1 KEY 2
SPEANA0
SPEANA2
SPEANA3
AVSS
DO
DI
CLK
CD DO
CD CLK
VPP/IC
REC/PLAY
CE
G15
G14 G13 G12
WRQ
CD DI
CD CE
RESET
AVDD
X2
X1
VDD
T-T1/T2
T-BIAS
4
5
1
2
3
643781295
643781295
19 18 17 16 15 14 13 12 11 10
9 8 7 6 3 2 1
1
1
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
8
6
2
3
7
4
5
23
30
3132333435363738394041424344
5
100
99989796959493929190898887
6
29
28
27
26
25
24
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
A
CNP8
TO CD SERVO PWB
P17 12-B
HEADPHONES PWB-B2
23
1
23
CNP601
TO MAIN PWB
P19 10-H
FW801
+B+B
+B
+B
+B
+B
+B
+B
+B
FM SIGNAL
R758 1K
R756 2.2K R755 2.2K
R
754 2.2
K
R762 1K R761 1K R760 1K R759 1K
R766 1K
R768 1K R767 1K
R791 1K
R782 1K
R783 1K
R784 1K
R785 1K
R786 1K
R787 1K
R788 1K
R789 1K
R790 1K
R770 1K
R771 1K
R772 1K
R769 1K
XL701
4.194304MHz
C724
18P
C723
15P
R773 1K
R774 1K
R775 1K
R776 1K
R777 1K
R778 1K
R780 1K
R779 1K
R781 1K
C725
0.022
C726
220/10
C722
47/50
IC701
IX0398AW
SYSTEM
M
ICROCOMPUTER
CNP705
JK701
HEADPHONES
CNS703
BI703
CNP701
FC701
D721
DS1SS133
D720
DS1SS133
RX701
REMOTE
SENSOR
R799
100
C733
47/25
D722
DS1SS133
D723
DS1SS133
C732
0.022
R797
100K
C729
3.3/50
Q709
KRC102 M
R796
47K
D718
DS1SS133
C728
0.01
RD25
680
SW722
CD
RD26
820
SW723
TAPE
SW724
TUNING
DOWN
RD27
1K
SW725
MEMORY
SET
RD28
1.5K
RD29
2.2K
SW727
FAST
FORWARD
RD30
2.7K
RD31
3.9K
SW728
PLAY
RD32
5.6K
RD33
10K
SW731
REC/
PAUSE
SW732
TUNING
UP
RD35
33K
SW733
VIDEO
RD36
100K
SW734
TUNER
SW729
STOP
SW726
REWIND
RD34
15K
SW716
EQUALIZER
SW715
X_BASS
SW714
DIMMER
RD14
820
RD13
680
SW703
TIMER
SW702
CLOCK
SW701
POWER
RD04
2.7K
RD01
680
RD02
820
RD05
12K
RD03
2.2K
SW711
DISC 3
SW713
OPEN/CLOSE
SW712
DISC SKIP
SW710
DISC 2
SW709
DISC 1
RD07
18K
RD06
10K
RD08
33K
RD09
100K
R700
10K
R703
10K
C720
0.001
C721
0.001
R757
10K
R795
10K
R721
4.7K
JOG701
R765 10K
R764 10K
R763 10K