Sharp CD-BA1300H Service Manual page 19

AY
19 20 22 23 24 25 27 28 29 30 31 32
17 18 21 26
2
7 88 89 90 91 92 93 94 95 96 97 98 99 100
VDD 1
2
-20dBATT
3
S-BUSY
100 9G
R702
T-BIAS 4
R703
T_T1/T2 5
R704
REC/PLAY 6
R705
7
RES OUT
R706
DRF 8
R707
WRQ 9
R708
RESET 10
X2 11
IC701
12
X1
IX0337AWZZ
13
VPP/IC
4.1943MHz
XT2 14
SYSTEM
R709
CD INT 15
CROCOMPUTER
VDD 16
R710
17
CD CLK
R711
CD DI 18
R712
CD DO
19
R713
31 KEY 0
CD CE 20
R714
32 KEY 1 21
CE
R715
33 KEY 2 22
CLK
R716
23
54 T2 PLAY SW_B DI
R717
53 DO 24
T1 PLAY SW_A
AVSS 25
52 CD CLAMP SW
R718
M-BUSY/TUN SM 26
51 T2 RUN
SPEANA3 27
SPEANA2
28
SPEANA1 29
SPEANA0 30
4 43 42 41 40 39 38 37 36 35 34 33 32 31
+B
LED722
4204SRT7
+B
+B
+B
R775
10K
R776
10K
R777
10K
+B
Y
7
33
Q701
R779
KRC107M
3.3 (1/2W)
3
C707
R744
1
1/50
1K
R745
100K
C702
C701
220/10
0.022
+B
1K
1K
1K
1K
1K
1K
1K
C703
15P
XL701
C704
18P
1K
+B
1K
1K
1K
1K
1K
1K
1K
1K
1K
+B
R725
1K
+B
+B
+B
8
Figure 19 SCHEMATIC DIAGRAM (6/10)
+B
+B
L701
100µH
+B
RD13 RD14 RD15 RD16
680
820 1K 1.5K
SW716
SW715 SW717
SW714
TUNING/
MEMORY/
TAPE TIME
CD
SET
DOWN
RD25
680
RD10 RD12
RD11
820
1K 1.5K
SW711
SW712
EQUALIZER/
X-BASS/DEMO VOLUME UP
RD01 RD02
RD03
RD04
680 820
1K
1.5K
SW702 SW703 SW704
SW701
TIMER/ PTY.TI
CLOCK
ON/STAND-BY
SLEEP SEARCH
9 10
– 19 –
BI702
CD INT
1 1 CD INT
WRQ(DSP)
2 2 WRQ(DSP)
DRF
3 DRF
3
CD CE
CD CE
4 4
CD DO
5 5 CD DO
CD DI
CD DI
6 6
CD CLK
CD CLK
7 7
RES OUT
RES OUT
8 8
CLAMP SW
CLAMP SW
9 9
CD_GND
D_GND
10
10
CNS702
1 TUN SM
2 CE
3 DO
4 DI
5 CLK
6 T_BIAS
T_T1/T2
7
8 REC/PLAY
M_GND
9
+B
M_10V
10
11 SMUTE
12 VF1
-VP
13
14 VF2
AC_RLY CONT
15
+B
16 UN_SW 5V
D_GND
17
+B
R769
SW_5V
18
10K
19 POWER
+B
+B
+B
R772
4.7K
D710
IC704
DS1SS133
5V BACK UP KIA7042AP
D708 RESET
DS1SS133
+B
3 1
C715
RX701
3.3/50
2 REMOTE SENSOR
2 3
1
1
C716
C717
0.022
10/50
RD19
RD17 RD18 RD20 RD21
3.9K 10K
2.2K 2.7K 5.6K
SW723
SW718 SW719 SW720
SW721
FAST REC/
PLAY/
REWIND
STOP
FORWARD REPEAT PAUSE
SW713
VOLUME
DOWN
RD08
RD05 RD06 RD07 RD26
56K
2.2K 2.7K 3.9K 6.8K
SW705 SW706 SW707 SW708 SW709
EON ASPM DISPLAY STATION
MODE
11
CD-BA1300H
P15 12 - F
CNP12
TO CD SERVO
PWB
FFC19
1
P17 12 - D
CNP701
TO MAIN PWB
19
+B
D711
DS1SS133
R773
100
2 3
C719
C718
47/16
0.022
RD24
RD22 RD23
15K 100K
33K
SW725
SW724
TUNER
TUNING
(BAND)
UP
RD09
100K
SW710
OPEN/
DISC
CLOSE
SKIP
12