Sharp CD-BA150 Service Manual page 27

24 23 16 15 14 13 12 11 10 9 8 7 6 3 2 1
84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
1
VDD
2
3
S-BUSY
T-BIAS 4
T_T1/T2 5
REC/PLAY 6
RES OUT 7
DRF 8
WRQ 9
RESET
10
X2
11
IC701
X1
12
VPP/IC
IX0328AW 13
XT2
14
SYSTEM
CD INT
15
MICROCOMPUTER
VDD 16
CD CLK 17
CD DI
18
CD DO 19
CD CE 20
CE
21
CLK
SW OUT 22
LATCH DI
23
DO
24
AVSS 25
M-BUSY/TUN SM 26
_B
27
_A
28
P
29
30
47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31
9
+B
+B
LED722
R670
10K
R671
10K
R672
10K
660
0K
Q608
C3199 GR
+B
+B
7
+B
R678 1K
R679 1K
R680 1K
R681 1K
R682 1K
R683 1K
R684 1K
XL701
C623
18P(CH)
R685 1K
+B
R686 1K
R687 1K
R688 1K
R689 1K
R690 1K
R691 1K
R692 1K
R693 1K
R694 1K
NO USE
SPEANA2
SPEANA1
SPEANA0
R676
+B
4.7K
R666
1K
+B
–B
+B
+B
8 9
Figure 27 SCHEMATIC DIAGRAM (10/10)
+B
+B
–B
L601
D617
100µH
DS1SS133
5V BACK UP
+B
Q609
R704 KRC102M
C628
47K
3.3/50
4.8V 0V
2
3
0V
1
D618
DS1SS133
R699
R697 R703 R706 R709
680 820 1K 1.5K 2.2K
SW619
SW616 SW618 SW620
SW617
MEMORY/
TUNING
CD REWIND
TAPE DOWN SET
FORWARD
R695 R698 R701 R707
820 1K 1.5K
680
SW615
SW612 SW614
SW611
SW613
VOLUME
X-BASS/ VOLUME
DIMMER
EQUALIZER DOWN
DEMO UP
R710
R696 R705
R700 R702 2.2K
680
1K 1.5K
820
SW602
SW601 R713
CLOCK
POWER 2.7K
SW603
TIMER/
SLEEP
10
– 27 –
CD-BA150
CD INT
1
1
WRQ(DSP)
2 2
DRF
P19 12 - F
3 3
CD CE
TO
4 4
CD SERVO PWB
CD DO
5 5
CD DI
CNP12
6 6
CD CLK
7 7
RES OUT
8 8
CLAMP SW
9 9
10
10
BI701
CNS701
FC701
23
23
CE
22
DO
21
DI
20
CLK
19
T_BIAS
18
T_T1/T2
17
REC/PLAY
16
SPA_SIG
15
SMUTE
14
VF1
13
-VP
12
VF2
11
SP_RLY
10
+B M_10V
9
-15V
–B
8
D_GND
7
+B +5V
6
A_GND
5
UN_SW 5V
4
AC_RLY CONT
3
SP_DET
2
M_GND
1
1
CNP702
+B
+B
R716
4.7K
D620
IC704
DS1SS133
KIA7042AP
+B
RESET D621
5.9V
DS1SS133
3 1
RX701
R723
5.9V
2 REMOTO SENSOR
0V 100
C630
C629
1 2 3
10/50
0.022
C631
C632
0.022
47/25
R718
R712 R714 R719 R721 R722 R724
2.7K 5.6K 18K 33K 100K
3.9K 10K
SW621
SW623
FAST
STOP
SW622 SW625 SW626 SW627
REC/ VIDEO/
PLAY/ TUNING
PAUSE AUX
REPEAT /TIME UP
R715
R720
3.9K
100K
SW610
SW609 OPEN/
R717
DISC
CLOSE
68K SKIP
11 12
P21 12 - E
CNP401
TO MAIN PWB
SW628
TUNER
(BAND)