Sharp CD-BP90W Service Manual page 29

Q701
KRC107 M
4.9V
3
30 31 32 33 2 –25.4V
1
–25.6V
R745
100K
R744
1K
97 98 99 100
1
–20DB ATT
2
S_BUSY
3
R702 1K
T_BIAS
4
R703 1K
T_T1/T2
5
R704 1K
REC/PLAY
6
R705 1K
RES OUT
7
R706 1K
DRF
8
R707 1K
WRQ
9
R708 1K
RESET
10
X2
11
X1
12
VPP/IC
13
R709
XT2
14
1K
CD INT
15
VDD
16
R710 1K
CD CLK
17
R711 1K
CD DI
18
R712 1K
CD DO
19
R713 1K
CD CE
20
R714 1K
CE
21
R715 1K
CLK
22
R716 1K
DI
23
R717 1K
DO
24
AVSS
25
BUSY/TUN SM
26
R718
C720
SPEANA3 27
1K
22/10
SPEANA2 28
D716
29
3
1SS133
30 1
34 33 32 31
Q708
2
KRC107 M
RD13
680
SW714
CD
RD25
680
+B
RD02
RD01
820
680
R775
10K
SW702
SW701
CLOCK
ON/STAND-BY
7
R779
3.3
C707
1/50
C701
0.022
C703
30P
R700
1M
C704
30P
+B
L701
100µH
+B
+B
R725
1K
RD14 RD15 RD16 RD17
820 1K 1.5K 2.2K
SW715 SW716 SW717 SW718
TAPE MEMORY/SET
TUNING/TIME REWIND
DOWN
RD10 RD12
820 1.5K
RD11
1K
SW712
SW711
VOLUME UP
EQUALIZER/
X-BASS/DEMO
RD03
RD04 RD05
1K 1.5K 2.2K
SW703
TIMER/SLEEP
8
Figure 29 SCHEMATIC DIAGRAM (10/12)
+B
+B
R769
10K
R770
D708
47K
1SS133
Q707
KRC102 M
0V
2 3
C715
1 0V
3.3/50
C716
0.022
RD19
RD18 RD20 RD21
3.9K
2.7K 5.6K 10K
SW720
SW719 SW721
FAST FORWARD PLAY/REPEAT
STOP
SW713
VOLUME
DOWN
RD06 RD07 RD08 RD26
2.7K 56K 6.8K
3.9K
SW709
DISC SKIP
OPEN/CLOSE
9 10
– 29 –
CD-BK100W/CD-BP90W
DISPLAY PWB-B
CD INT
WRO(DSP)
CD CE
CD DO
CD DI
CD CLK
RES OUT
CLAMP SW
CD GND
TUN SM
T_T1/T2
REC/PLAY
M_GND
SMUTE
AC_RLY CONT
UN_SW 5V
D_GND
SW_5V
POWER
SPAN
SW OUT
R772
4.7K
D710
1SS133
D711
1SS133
IC704
KIA7042A
+B
3 1
RX701
2 REMOTE
SENSOR
C717
10/16
2 1 3
C718
0.022
RD22 RD23 RD24
15K 33K 100K
SW723 SW724 SW725
REC PAUSE TUNER(BAND)
TUNING/TIME UP
RD09
100K
SW710
11
1 1
2 2
DRF
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
FFC701
1
1
CE
2
DO
3
DI
4
CLK
5
T-BIAS
6
7
8
9
M_10V
10
11
VF1
12
–VP
13
VF2
14
15
16
17
18
19
20
21
21
+B
R773
100
+B
C719
47/16
12