Sharp CD-BA3100 Service Manual page 31

6 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5
R745
10K
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
L A
L B
L C AC3_SO/RDS READY/ESS_DO
AC3_SS_/RDS RDDA/ESS_STB
AC3_RST/RDS RST/ESS_ACK
IC701
IX0400AW
SYSTEM
MICROCOMPUTER
7
6 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
C712
15P
C713
0.022
C714
220/10
R778
47K
KEY2
KEY1
KEY0
7
3 2 1
C726 JOG701
JOG VOLUME
47/50
C716
0.001
A B
R793
10K
R794
10K
REC/
PLAY
DSA_
50
STB
49
DSA_DATA
AC3_SCK/DSA_ACK 48
47
AC3_SI/RDS RDCL/ESS_DI
46
45
R750
44
1K
R749
RESOUT 43
RESET 42
VDD0
41
VSS0 40
R747
FPB 39
1K
FPA 38
PLAY SW B 37
R746 1K
PLAY SW A
36
R799 2.2K
T_MOTOR 35
R744 2.2K
T_SOL_B 34
R743 2.2K
T_SOL_A 33
R742 1.8K
TIMER LED
32
DO
DO
31
R741
1K
23 24 25 26 27 28 29 30
R740
1K
D714
DS1SS133
R779
D715
10K
DS1SS133
R780 10K
R781
10K
RD28
RD25 RD26
1.5K
680 1.8K
SW728
SW727 SW729
FAST
STOP
REWIND
FORWARD
RD13 RD15 RD16
RD14
680 820 1K 1.5K
SW718
SW714 SW715 SW716 SW717
DIMMER CD TAPE TUNER VIDEO
RD01
680
RD04
RD02 RD03
820 1.5K
1K
SW701
POWER
8
Figure 31 SCHEMATIC DIAGRAM (6/10)
C717
0.001
+B
+B
Q709
2
KRC107 M
3
1
Q708
2
KRC107 M
3
1
1K
R790
+B
10K
C715
0.022
LED701
R797
10K
R795
10K
+B
+B
R783
Q707
47K
KRC102 M
+B
3
2
1
+B C723
0.022
RD29
RD33
RD30 RD31 RD32
2.2K
2.7K 3.9K 5.6K 10K
SW735
SW732 SW733 SW734
TUNER
PLAY CLOCK TIMER
UP
CNS702
RD17 RD18 RD19
2 2
2.2K
2.7K 3.9K
1 1
SW719 SW720
MEMORY
EQUALIZER
RD05
KEY0
2 2
2.2K
GND
1 1
BI703A
9 10
– 31 –
TAPE MECHANISM
PWB-H
PH
SOLENOID
8
CASSETTE
7
SOLENOID 6
+
5
TAPE
M
MOTOR
4
-
3
2
PLAY
1
DISPLAY PWB-B1
TRAY SW_B/TRAY SW_C
CAM_B SW_B/TRAY SW_A
CAM_A SW_E/CAM_B SW_A
CAM_A SW_C/CAM_A SW_D
LED711
RS710
STOP CAM_A SW_A/CAM_A SW_B
1.5K
RESOUT
CD CLK
RS709
CD DI
1.5K
CD DO
CD CE
LED710
DRF
PLAY
WRQ
P65
P47
R791
10K
Q704
KTA1273 Y
R786
10K
Q705
KTA1273 Y
R787
Q706
10K
KTA1273 Y
SOL_A
R788
10K
RX701
REMOTE
SENSOR
C722
3.3/50
1 2 3
R784
100K
C724
0.022
RD34 RD35
15K 33K
SW738
SW737
SW736
REC/ X-BASS
TUNER
DOWN PAUSE
RD20 RD21 RD22 RD11
2
5.6K 15K
10K 33K
1
SW721 SW723
SW722 SW724
DISC 1 DISC 2 DISC 3 DISC 4
EJECT
EJECT EJECT EJECT
EJECT SWITCH PWB-B2
RD06 RD07
RD08 RD09
2.7K 3.9K 5.6K 10K
BI703B
SW707 SW709
SW706 SW708
DISC 1 DISC 2 DISC 4
DISC 3
PLAY
PLAY PLAY PLAY
PLAY SWITCH PWB-B3
11
CD-BA3100
CNS704
ANI5
12 12
ANI4
11 11
ANI3
10 10
ANI2
9 9
ANI1
8 8
P47
7 7
CNP7
P27
6 6
P26
TO CD
5 5
SERVO PWB
P25
4 4 P27 11-C
P67
3 3
P65
2 2
P66
1 1
BI704
1
PLAY_SW_B
1
M_GND
2
T2RUN
3
T_MOTOR
4
SOL_B
5
6
FPA
7
8
8
FFC701
RD12
100K
SW712 SW713
DISC 5 DISC 6
EJECT EJECT
RD10
15K
SW710 SW711
DISC 5 DISC 6
PLAY PLAY
12