Sharp CD-M4000W Service Manual page 25

26 25 24 23 16 15 14 13 12 11 10 9 8
86 87 88 89 90 91 92 93 94 96 97 98
95
-20dBATT
DSA_STB
REC/PLAY
RES OUT
IC701
IX0460AW
SYSTEM
MICROCOMPUTER
DSA_DATA
51 T2 RUN
KEY 2
31
DSA_ACK
KEY 1
32
KEY 0 SPEANA2
33
SPEANA1
SPEANA0
38 37 34 33
45 44 43 42 41 40 39 36 35
R757
10K
R795
10K
+B
JOG701
JOG VOLUME
B A
C720
C721
0.001
0.001
+B
7
7 6 3 2 1
C722
47/50
C726
220/10
99 100
1
VDD
R773 1K C725
2
0.022
3
R775 1K
4
T-BIAS
R776 1K
T-T1/T2
5
R777 1K
6
R778 1K
7
R779 1K
8
DRF
R780 1K
WRQ 9
R781 1K
RESET
10
11
X2
XL701
C723
4.1943 MHz 15P
X1 12
C724
XVPP/IC 13
18P
14
XT2
R782 1K
SPN 15
VDD 16
R783 1K
CD CLK 17
R784 1K
CD DI 18
R785 1K
CD DO 19
R786 1K
CD CE 20
R787 1K
CE 21
R788 1K
CLK 22
R789 1K
DI
23
R790 1K
DO 24
AVSS
25
R791 1K
26
R770 1K
27
R771 1K
28
R772 1K
29
R769 1K
30
31
32
R708
10K
+B
R763
10K
R764
10K
R765
10K
RD25 RD26 RD27
820
680
SW724
SW723
SW722
TUNING
TAPE
CD DOWN
RD14 RD15
RD13
680 820
+B
SW715
SW716
SW714
MONSTER
EQUALIZER
DIMMER
BASS
RD01 RD02 RD03
680
820
SW701 SW703
SW702
ON/
TIMER
CLOCK
STAND-BY
8
Figure 25 SCHEMATIC DIAGRAM (6/10)
CD SERVO PWB
P21 12-B
1 2 3 4
1 2 3 4
IC702
BU2092F
INPUT/OUTPUT EXPANDER
1
18
VSS VDD
2 OE 17
DATA
C727
470P
3 CLOCK 16
Q11
RL701
4 15
LCK Q10
1K
STOP
LED701
RL704
5 14
R700 Q0 Q9
10K
LED702
RL703
6 Q8 13
Q1
PLAY
RL702
RL708
7 12
1K Q2 Q7
RL707
RL705 8 Q6 11
Q3
REW_PLAY
1K
LED705 RL706
9 Q4 Q5 10
+B
+B
+B
-B
C728
0.01
+B
+B
RD28 RD29 RD30 RD31
2.2K 2.7K
1K 1.5K 3.9K
SW725 SW726 SW727
SW728
FAST FAST
MEMORY
PLAY
SET REWIND FORWARD
180K
SW717
REVERSE
MODE
RD04 RD05 RD06 RD07 RD08 RD09
1.5K 2.2K 2.7K 3.9K 5.6K
1K
9 10
– 25 –
CD-M4000W/CP-M4000
TO
CNP8
5 6 7 8 9
CNS703
5 6 7 8 9
BI703
+B
-B
+B
C701 47/25
+B
C702 0.022
1K
1K
1K
LED708
1K
LED707
1K LED706
+B
+B
5 V BACK UP
+B
D721
DS1SS133
+B
+B
Q709 RX701
R796
C729
REMOTE SENSOR
KRC102 M
47K
3.3/50
RESET
2 3
1 2 3
1
RD32 RD33 RD34 RD35
10K 15K
5.6K 33K
SW730
SW729 SW732
REVERSE SW731
STOP TUNING UP
PLAY REC/
PAUSE
RD12
RD10 RD11
10K 18K 33K 100K
SW709 SW710 SW712
SW711
DISC 1 DISC 2 DISC 3 DISC SKIP
11
CNS705
VF1
4
4
-VF
3
3
VF2
2
2
P_IN
1
1
BI705
FC701
CNP701 21
A_+10 V
21
KARAOKE LATCH
20
MIC_IN
19
SPAN
18
SP_RLY
17
SP DET
16
SW +5 V
15
-20dB ATT
14
-15 V
13
M_+12 V
12
A_GND
11
SPA_SIG
10
S_MUTE
9
REC/PLAY
8
T_T1 T2
7
T_BIAS
6
D_GND
5
DO
4
DI
3
CLK
2
CE
1
1
CNP704
LED704
3 3 3
LED703
2
2 2
1 1 1
BI704
CNS704
MONSTER
BASS
PWB-B3
+B
D720
DS1SS133
RD36
100K
SW733 SW734
VIDEO
TUNER
SW713
OPEN/CLOSE
12