Sharp CD-BP160W Service Manual page 21

7 6 5 4 3 2 1
93 94 95 96 97 98 99 100
+B
1
VDD
2
S-BUSY 3
R678 1K
4
T-BIAS
R679 1K
T_T1/T2 5
R680 1K
6
REC/PLAY
R681 1K
RES OUT
7
R682 1K
DRF 8
R683 1K
WRQ 9
R684 1K
RESET
10
X2
11
XL701
X1
12
C623
VPP/IC
W 13
18P(CH)
XT2
14
R685 1K
CD INT
15
UTER
VDD
16
R686 1K
CD CLK
17
R687 1K
CD DI
18
R688 1K
CD DO 19
R689 1K
CD CE 20
R690 1K
CE
21
R691 1K
CLK
22
R692 1K
DI
23
R693 1K
DO
24
AVSS 25
R694 1K
M-BUSY/TUN SM 26
NO USE
27
SPEANA2
28
SPEANA1
29
SPEANA0
30
R676
38 37 36 35 34 33 32 31
4.7K
R666
1K
+B
R670
10K
R671
10K
R672
10K
+B
7
+B
+B
+B
–B
+B
+B
R699
R697
680 820
SW618
SW616
SW617
TUNING
CD
TAPE
DOWN
R698
R695
680
SW612
SW611
X-BASS/
DIMMER
DEMO
R696 R700
680
SW601
SW602
ON/
CLOCK
STAND-BY
8
Figure 21 SCHEMATIC DIAGRAM (4/9)
WRQ(DSP)
CLAMP SW
REC/PLAY
+B
–B
+B
UN_SW 5V
AC_RLY CONT
+B
+B
–B
L601
D617
100µH
DS1SS133
5V BACK UP
KIA7042AP
Q609
KRC102 M
R704
3
C628
47K
3.3/50
2
3
1
C629
0.022
D618
DS1SS133
R706 R709
R703 R712 R714 R718
1.5K 2.2K 5.6K
1K 2.7K 3.9K
SW621
SW622
SW619
SW620
SW623
FAST
PLAY/
MEMORY/
REWIND
STOP
FORWARD
REPEAT
SET
R701 R707 R726
820 1K 1.5K 180K
SW614 SW615 SW629
SW613
VOLUME VOLUME REVERSE
EQUALIZER
UP DOWN
R702
R705 R713
R717
820 1K 1.5K 2.7K
68K
R710 R715
2.2K
3.9K
SW609
SW603
TIMER/ DISC
SLEEP SKIP
9 10
– 21 –
CD-BP160W/180W/1500W/1700W
BI701
CD INT
1 1
2 2
DRF
3 3 P19 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
9 9
10 10
CNS701
FC701
25
SPAN
25
SW OUT
24
TUN SM
23
CE
22
DO
21
DI
20
CLK
19
T_BIAS
18
T_T1/T2
17
16
SPA_SIG
15
SMUTE
14
VF1
13
-VP
TO MAIN PWB
12
VF2
11
SP_RLY
10
M_10V
9
-15V
8
D_GND
7
+5V
6
A_GND
5
4
3
SP_DET
2
M_GND
1
1
CNP702
+B
+B
R716
4.7K
D620
IC704
DS1SS133
+B
RESET
D621
DS1SS133
1
RX701
R723
REMOTO SENSOR
2
100
1 2 3
C630
10/50
C631
C632
0.022
47/25
R721 R722
R719 R724
10K 18K 33K
100K
SW626 SW627
SW624 SW625
TUNING
VIDEO/
REVERSE REC/
/TIME UP
PLAY PAUSE AUX
R720
100K
SW610
OPEN/
CLOSE
11
P23 12-D
CNP401
SW628
TUNER
(BAND)
12