Sharp CD-BA2010H Service Manual page 36

CD-BA2010H
A
RS720
100K
Q710
KTC3199GR
B
R701
100K
C
29
M_+10V
REC/PLAY
T_T1 T2
T_BIAS
SP_RLY
-20dB ATT
VF1
-VF
VF2
CE
CLK
DI
DO
TUN_SM
10KHZ
D
63HZ
SPAN_RCH
SPAN_LCH
S_MUTE
AC_RLY CON
+5V
SP DET
A_+10V
UN_SW 5V
D_GND
1
FC701
E
F
TAPE MECHANISM
PWB-E
TAPE
MOTOR
M
+
- -
13
T2 PLAY
12
11
PH
10
9
G SOLENOID
8
SOLENOID
7
6
PH
5
4
T1 PLAY
3
2
1
F.PLAY
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 19.
1
RS721
100K
RS722
100K
Q711 Q712
KTC3199GR KTC3199GR
R704
100K
R716
100K
C709
47/50
+B
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
+B
8
7
6
5
4
+B
3
+B
2
1
+B
5V BACK UP
+B
+B
+B
T2 PLAY
13
+5V
12
T2 RUN
11
+MTR
10
SOL2
9
SOL1
8
7
T1 RUN
6
D712 D713
C719
5
47/25 1SS133 1SS133
T1 PLAY
4
GND
3
2
F_REC
1
2
Figure 36 SCHEMATIC DIAGRAM (5/11)
58 57 56 53 52 51 50 49 48 47
C715
22/50
+B
C716
2.2/50
+B
3 4
– 36 –
FL701
46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
80
79 VLOAD
80
78 P7 P6
77
P8
76 P9
75
P10
74
P11
73 P12
72
P13
71 P14
70
P15/DIST0
69
P16/DIST1
68
P17/DIST2
67
P18/DIST3
P19
66
65
P20
64 P21
63
P22
62 P23/MOV VOL CONT CLOSE
61 P24/MOV VOL CONT OPEN
60
P25/SPN B
59 DIST_OUT/SW OUT/SPN A
58
KOK LATCH L
57 MIC IN O
R794 1K
56
FPB (R-REC)
R740 1K
55 FPA (F-REC)
R741 1K
54 T2 PLAY SW_B
R742 1K
53
T1 PLAY SW_A
R743 1K
52
CD CLAMP SW
R744 1K
51
T2 RUN
50 49 48 47
+B
C717
R738
2.2/50
1K
Q707
KTC3199GR
R734
1K
+B
0V 10V
Q704
KTA1271Y
Q705
KTA1271Y
10V
+B
0V
10V
+B
R752
Q708
10K
KTA1273Y
MOTOR
DRIVER
5
29 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6
100
-20dBATT
1 VDD
S-BUSY
LCK 1
LCK 0
DP REQ
RES OUT
DRF
WRQ
RESET
X2
X1
IC701
VPP/IC
IX0333AW
XT2
SYSTEM
CD INT
MICROCOMPUTER
VDD
CD CLK
CD D
CD DO
CD CE
CE
CLK
33 D
KEY 0
47 AC RLY_CONT
32
KEY 1 DO
48
SP_RLY
31
KEY 2 AVSS
49
SPDET
TUS SM/M-BUSY
50 T1 RUN
10KHZ SPEANA3
63HZ SPEANA2
SPEANA1
R
SPEANA0
L
46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31
+B
R
R757
+B
10K
R795
10K
+B
6