CD-BA1700 (serv.man7). Part 2 - Notes on diagrams, Block diagrams, Schematic diagrams - Sharp Audio Service Manual (repair manual). Page 12

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– 31 –
CD-BA160H/1700H
Figure 31 SCHEMATIC DIAGRAM (8/10)
7
8
9
10
11
12
 
5.9V 
5.9V 
0V 
0V 
0V 
4.8V 
SPA_SIG 
SP_RLY
M_GND 
SP_DET
TUN  SM
DO
5V  BACK  UP
F 
CLK 
CE
DI
M_10V 
UN_SW  5V
RES  OUT 
T_BIAS
T_T1/T2 
REC/PLAY
DRF 
AVref 
SPEANA1 
XT2 
DRF 
NO  USE
+5V 
-15V
A_GND 
D_GND  
SP_RLY
SMUTE 
  -VP
VF2 
VF1 
CD  CLK
CD  CE 
CD  DI 
CD  DO 
CLAMP  SW
WRQ(DSP)
CD  INT
F 
F 
G03 
G02 
G01 
VDD 
G1
G2
G3
G4
G5
G6
G7
SYS  STOP
EY  0 
EY  1 
EY  2 
SPEANA0 
SPEANA2 
NO  USE
M-BUSY/TUN  SM 
AVSS
DO
DI
CLK 
CD  DO 
CD  CLK
VPP/IC
RES  OUT 
REC/PLAY
S-BUSY
CE
CD  INT
WRQ 
CD  DI 
CD  CE 
RESET 
AVDD
X2
X1
VDD 
T_T1/T2 
T-BIAS
10
10
11
13
14
12
17
18
19
20
16
22
23
15
21
2
2
3
3
1
1
94 95 96 97 98 99
37 36 35 34 33 32 31
18
17
16
19
20
10
11
12
13
14
15
25
24
23
22
26
27
28
29
30
21
1
1
8 7 6
3 2 1
2
3
4
5
7
8
9
6
2
3
4
5
1
7
8
9
6
8
7
6
5
9
3
2
1
4
100
CNP12
TO  CD 
SERVO PWB
CNS701
BI701
1
23
CNP401
TO MAIN
PWB
P25 12-E
FC701
10
2
3
4
5
1
7
8
9
6
P33 11-F
NC
1 
2 
3 
RESET
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
+B
+B
+B
+B
NC
NC
AC_RLY CONT
SW610
OPEN/CLOSE
R720
100K
SW609
DISC SKIP
SW608
STATION 
R715
3.9K
R717
68K 
R710
2.2K
R713
2.7K
SW605
EON 
SW606
ASPM 
SW607
DISPLAY
MODE  
R705
1.5K
R702
1K
R700
820
SW601
ON/STAND-BY  
SW602
CLOCK  
SW603
TIMER/
SLEEP
SW604
PTY  TI
SEARCH  
R696
680 
SW615
VOLUME
DOWN 
SW614
VOLUME
  UP 
SW613
EQUALIZER
SW612
X-BASS 
SW611
DIMMER 
R701
1K
R707
1.5K 
R698
820 
R695
680 
SW628
TUNER
(BAND) 
SW627
VIDEO/
AUX 
SW626
TUNING
UP 
SW625
RECORD/
PAUSE
100K
R724
R722
33K 
R721
18K 
R719
10K 
R718
5.6K
R714
3.9K
R703
1K
R699
820 
R697
680 
R706
1.5K
R712
2.7K
R709
2.2K
SW623
STOP 
SW616
CD 
SW617
TAPE 
SW618
TUNING
DOWN
SW621
FAST
FORWARD 
SW622
PLAY/
REPEAT
SW619
MEMORY/
SET
SW620
REVIEW 
C632
47/25
C631
0.022
C629
0.022
C630
10/50
R711
100K
D618
DS1SS133
RX701
REMOTE SENSOR 
R723
100
D621
DS1SS133
D620
DS1SS133
C628
3.3/50
Q609
KRC102M
D617
DS1SS133
R704
47K
D616
DS1SS133
C626
0.1/50
L601
100uH
R716
4.7K
IC704 
CNP702
C634
0.001
R708
10K 
C625
220/10
C624
0.022
C621
1/50
R681 1K
R684 1K
R680 1K
R683 1K
R678 1K
R679 1K
R682 1K
R685 1K
R686 1K
R687 1K
R688 1K
R689 1K
R690 1K
R691 1K
R692 1K
R693 1K
R694 1K
R676
4.7K
R666
1K
R669 10K
R673 1K
R674 1K
R675 1K
R668 1K
MPUTER
R670
10K
R671
10K 
R672
10K
XL701
4.19MHz
IC704
KIA7042AP
RESET 
C622
15P(CH)
C623
18P(CH)

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