Sharp CD-BA180, Service Manual

Page: 21 / 44

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CD-BA180
Figure 21 SCHEMATIC DIAGRAM (10/10)
7
8 9 10 11 12
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
3 1
4.8V
0V
0V
5.9V
0V
5.9V
4.2V
SPA_SIG
M_GND
SP_DET
M10V
DO
5V BACK UP
F
CLK
CE
DI
M_10V
AC_RLY CONT
UN_SW 5V
RES OUT
T_BIAS
T_T1/T2
REC/PLAY
DRF
+5V
-15V
A_GND
D_GND
SP_RLY
SMUTE
-VP
VF2
VF1
CD CLK
CD CE
CD DI
CD DO
CLAMP SW
WRQ(DSP)
CD INT
F F G11 G10 G09 G08 G07 G06 G05 G04 G03 G02 G01 P01 P02
KEY 0 KEY 1
KEY 2
23
22
15
16
18
17
12
8
1
2
3
4
5
6
7
8
9
10
24 23 16 15 14 13 12 11 10
9 8 7 6 3 2 1
100
99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84
47 46 45 44 43 42 41 39 38 37 36 35 34 33 32 31
2 3 1
2
1
2
3
4
5
6
7
8
9
10
S-BUSY
SP_RLY USE
SW OUT
_A
AVref
SPEANA1
XT2
DRF
P
T_SOL_B
VDD
G1 G2 G3 G4 G5 G6 G7 G8 G9 G10 G11
LATCH
_B
AC RLY_CONT
VDD TIMER LED T_MOTOR T_SOL_A SMUTE VSS REMOCON NO SYS STOP
SPEANA0
SPEANA2
NO USE
M-BUSY/TUN SM
AVSS
DO
DI
CLK
CD DO
CD CLK
VPP/IC
RES OUT
REC/PLAY
CE
P2 P1
CD INT
WRQ
CD DI
CD CE
RESET
AVDD
X2
X1
VDD
T_T1/T2
T-BIAS
3
4
2
1
7
6
5
9
11
10
14
13
21
20
19
40
CNP12
P13 12 - F
TO
CD SERVO PWB
1
23
CNP401
TO MAIN PWB
P15 12 - E
+B
+B
+B
+B
1
3
2
+B
–B
–B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
–B
+B
+B
P37
G12 G13
G14 G15
GND
CNS701
BI701
CNP702
D621
DS1SS133
D620
DS1SS133
RX701 N63H380A
REMOTE SENSOR
C632
47/25
C631
0.022
C630
10/50
SW628
TUNER
(BAND)
SW627
VIDEO/
AUX
R724
100K
SW626
TUNING
/TIME UP
R722
33K
SW625
REC/
PAUSE
R721
18K
R719
10K
SW623
STOP
R718
5.6K
R714
3.9K
SW622
PLAY/
REPEAT
SW621
PRESET
UP
R712
2.7K
SW620
PRESET
DOWN
R709
2.2K
SW619
MEMORY/
SET
R706
1.5K
SW618
TUNING
DOWN
R703
1K
SW617
TAPE
R699
820
SW616
CD
R697
680
R695
680
SW611
DIMMER
SW612
X-BASS/
DEMO
SW613
EQUALIZER
SW614
VOLUME
UP
R698
820
R701
1K
R707
1.5K
SW615
VOLUME
DOWN
SW610
OPEN/
CLOSE
SW609
DISC
SKIP
R720
100K
R717
68K
R715
3.9K
R713
2.7K
R710
2.2K
R705
1.5K
R702
1K
SW603
TIMER/
SLEEP
R700
820
SW602
CLOCK
SW601
POWER
R696
680
R672
10K
R671
10K
R670
10K
R666
1K
R676
4.7K
R675
1K
R674
1K
R673
1K
R669 10K R668 1K
R667
1K
LED722
4204SRT7
9
R661 2.2K
R663 2.2K
R664 2.2K
R665 2.2K
10K
660
10K
Q608
KTC3199 GR
R685 1K
R686 1K
R687 1K
R688 1K
R689 1K
R690 1K
R691 1K
R692 1K
R693 1K
R694 1K
XL701
4.1943MHz
C623
18P(CH)
C622
15P(CH)
R684 1K
R680 1K
R683 1K
R678 1K
R679 1K
C624
0.022
C625
220/10
C621
1/50
R708
10K C634
0.001
R716
4.7K
IC704
KIA7042AP
RESET
C629
0.022
R711 100K
D618
DS1SS133
C628
3.3/50
Q609
KRC102 M
D617
DS1SS133
D616
DS1SS133
C626
0.1/50
L601
100
µ
H
R704
47K R723
100
IC701
IX0328AW
SYSTEM
MICROCOMPUTER
R681 1K
R682 1K
FC701