Sharp CD-BA1500H Service Manual page 27

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16
15
14
13
12
11 10
9
8
7
6
5
4
3
2
1
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
+B
1
VDD
2
S-BUSY
3
R678
4
T-BIAS
R679
T_T1/T2
5
R680
REC/PLAY
6
R681
RES OUT
7
R682
DRF
8
R683
WRQ
9
R684
RESET
10
0
X2
11
XL701
IC701
1
X1
12
2
VPP/IC
IX0329AW
13
3
XT2
14
SYSTEM
R685
CD INT
15
MICROCOMPUTER
VDD
16
R686
CD CLK
17
R687
CD DI
18
R688
CD DO
19
R689
CD CE
20
R690
CE
21
R691
CLK
/SW OUT
22
R692
E LATCH
DI
23
R693
DO
24
AVSS
25
R694
26
M-BUSY/TUN SM
NO USE
W_B
27
SPEANA2
W_A
28
SPEANA1
P
29
SPEANA0
30
47 46 45 44 43 42 41
40
39 38 37 36 35 34 33 32 31
59
K
+B
+B
LED722
R670
10K
R671
10K
R672
10K
R660
10K
Q608
C3199 GR
+B
+B
7
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1K
1K
1K
1K
1K
1K
1K
C623
18P(CH)
1K
+B
1K
1K
1K
1K
1K
1K
1K
1K
1K
R676
+B
4.7K
R666
1K
+B
–B
+B
+B
SW616
SW601
POWER
8
9
Figure 33 SCHEMATIC DIAGRAM (10/10)
+B
–B
+B
+B
–B
L601
D617
100µH
DS1SS133
5V BACK UP
+B
Q609
R704
KRC102 M
C628
47K
5.9V
3.3/50
4.8V
0V
2
3
0V
1
D618
DS1SS133
R699
R706
R709
R697
R703
R712
1.5K
680
820
1K
2.2K
2.7K
SW621
SW618
SW619
SW617
SW620
FAST
TUNING
MEMORY/
CD
TAPE
REWIND
FORWARD
DOWN
SET
R698
R701
R707
R695
820
680
1K
1.5K
SW612
SW614
SW615
SW611
SW613
X-BASS/
VOLUME
VOLUME
DIMMER
EQUALIZER
UP
DOWN
DEMO
R710
R713
R705
R696
R700
R702
2.2K
2.7K
680
820
1K
1.5K
SW604
SW603
SW605
SW606
SW602
PTY.TI
TIMER/
EON
ASPM
CLOCK
SEARCH
SLEEP
10
– 33 –
CD-BA1500H
BI701
CD INT
1
1
WRQ(DSP)
2
2
DRF
3
3
P25 12-F
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
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
P27 12-E
14
VF1
13
CNP401
-VP
12
TO MAIN PWB
VF2
11
SP_RLY
10
M_10V
9
-15V
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
REMOTO SENSOR
2
0V
100
C630
C629
1
2 3
10/50
0.022
C631
C632
0.022
47/25
SW628
R721
R722
R714
R718
R719
R724
3.9K
5.6K
10K
18K
33K
100K
TUNER
(BAND)
SW626
SW622
SW627
SW625
SW623
TUNING
VIDEO/
PLAY/
REC/
STOP
/TIME UP
REPEAT
PAUSE
AUX
R715
R720
R717
3.9K
68K
100K
SW610
SW607
SW608
SW609
OPEN/
DISC
DISPLAY
STATION
CLOSE
MODE
SKIP
11
12

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