Sharp CD-K7000W Service Manual page 27

29 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6
3 2
85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
100
1
R773
2
-20dBATT
1 VDD
3
S-BUSY
R730
4
LCK 1
R776
5
LCK 0
6
DP REQ
R778
7
RES OUT
R779
8
DRF
D CLAMP SW R780
9
WRQ
RUN R781
10
RESET
11
X2
XL701
12
X1
4.1943MHz
13
VPP/IC
IC701
14
XT2
IX0334AW
R782
CD INT 15
SYSTEM MICROCOMPUTER
16
VDD
R783
CD CLK 17
R784
18
CD DI
R785
OL CONT CLOSE CD DO 19
R786
OL CONT OPEN 20
CD CE
R787
CE 21
R788
W OUT/SPN A 22
CLK
R789
33 KEY 0 DI 23
R790
32 KEY 1
24
DO
31 KEY 2
)
AVSS 25
47 AC RLY_CONT
R775
TUN SM / M-BUSY
26
SPEANA3
R770
W_B
27
10KHz
R771
SPEANA2
W_A 28
63Hz
R772
SPEANA1 29
R
SPEANA0 30
L
46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31
T7
+B
5V BACK UP
B
R763
R757
10K R764
R765
R795
10K
SW719
CD
SW714
DIMMER
SW701
ON/
STAND-BY
7
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1
C722
47/50
C725
0.022
+B
1K
C726
220/10
1K
1K
1K
1K
1K
1K
C723
15P
C724
18P
1K
+B
1K
1K
1K
1K
1K
1K
1K
1K
R700
1K
10K
1K
1K
1K
R769
1K
+B
L701 Q709:RESET
100µH
D717
+B
10K
1SS133
10K
Q709
KRC102M C729
10K
2
1
C728
+B
0.01
RD25 RD26 RD27 RD28 RD29 RD30 RD31
680 820 1K 1.5K 2.2K 2.7K 3.9K
SW725
SW723 SW724
SW726 SW727 SW728
MEMORY/
TAPE TUNING
SET
DOWN
RD13 RD14 RD15 RD16 RD17 RD18
680 820 1K 1.5K 2.2K 180K
SW717
SW718
SW715 SW716
SURROUND
X-BASS/ REV
EQUALIZER
DEMO MODE
RD01 RD02 RD03 RD04 RD05 RD06 RD07 RD08
680 820 1K 1.5K 2.2K 2.7K 3.9K 5.6K
SW702
SW703
CLOCK
TIMER/
SLEEP
8 9
Figure 27 SCHEMATIC DIAGRAM (7/11)
CD-K7000W/C7000W,CP-C7000
P23 12 - E
TO CD SERVO PWB
CNP12
1 2 3 4 5 6 7 8 9 10 CNS703
1 2 3 4 5 6 7 8 9 10
BI703
IC702,IC703: INPUT/OUTPUT EXPANDER
IC702
BU2092F
RS710
LED709
RS712
LED710
RS713
LED711
RS714
LED712
RS715
LED713
RS701
470
LED701
4204UYT7
RS702
1K
LED702
4204UYT7
D724
LED703
1SS133 RS703
4204UYT7
1K
+B
LED704~LED712: 4204UYT7
LED713~LED715: 4204UGT7
RS728
1K
RS727
1K
Q715
KTA1271Y
+B
R798
4.7K
D721
1SS133
IC704
+B
KIA7042AP
D720
REMOTE
RESET
1SS133
SENSOR
1
3
+B
RX701
3.3/50 N63H380A
2
R799
3
100
1 2 3
C733
47/25
RD32 RD33 RD34 RD35 RD36
5.6K 10K 18K 33K 100K
SW732 SW733 SW734
SW731
SW729
SW730
REC TUNING VIDEO/ TUNER
PAUSE UP AUX (BAND)
RD09 RD10 RD11 RD12
10K 18K 33K 100K
SW712 SW713
SW710 SW711
SW709
DISC OPEN/
DISC 2 DISC 3
DISC 1
SKIP CLOSE
10
– 27 –
C736
47/16
C737
0.022
+B
1 VDD 18
VSS
__
2 17
OE
DATA
M+
3 16
CLOCK Q11
M-
4 LCK 15
Q10
RS720 1K
1K
5 Q0 Q9 14
1K RS719 22K
6 13
Q1 Q8
RS718 10K
1K
7 Q2 12
Q7
1K RS717 1K LED715
8 11
Q3 Q6
1K RS716 1K
10
9 Q4 Q5
LED714
C734 47/16
+B
C735 +B
0.022
1
VSS VDD 18
LED716
RS707
DATA
2 OE 17
4204UYT7
1K
3 CLOCK 16
Q11
+B
4 Q10 15
LCK
RS708
5 Q0 14
Q9
LED707 LED708
330
6 13
Q1 Q8
LED706
7 12
Q2 Q7
LED705
RS705 1K
Q3
8 11
Q6
9 Q4 10
Q5
RS704 1K
LED704
IC703
BU2092F
+B
+B
+B
Q714
Q716
KTA1271Y
KTA1271Y
RS722
RS729
RS730 1K
680
680
RS721
M+
1K
Q713
KTA1271Y
BI704
1 2 3 4 5
1 2 3 4 5
CNS704
1 2 3 4 5
CNP704
+
M701
M
VOLUME
MOTOR
BI705A
3 2 1
3 2 1
BI705B
C721
0.001
A B
JOG701
JOG
JOG PWB-E2
11 12