Sharp CD-BA300

CD-BA300
– 22 –
A
B
C
D
E
F
G
H
1
23456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 39.
Figure 22 SCHEMATIC DIAGRAM (3/10)
0V
0V
0V
0.7V
0.7V
9.3V
9.3V
8.6V
0V
0V
3.4V
3.4V
0V
0V
0V
0.7V
0V
0.7V
0V
0V
11.7V
0V
0V
0V
0.7V
0V
0V
0V
0.7V
0V
0V
0V
2
3
1
1
32
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
+B
3
2
1
24
23
22
21
20
19
18
17
16
15
14
13 12
11
10
9
8
7
6
5
4
3
2
1
3
2
1
3
2
1
24 23 22 21 20 19 18 17 16 15 14 13
12
11
10
9 8 7 6 5 4 3 2 1
M_12V
A_+10
+B (9V)
VF1
VF2
–VF
GND
+B2 (18V)
P_IN
+5V
GND
A_+B
–15V
CD_+B
CD_GND
L_CH
A_GND
R_CH
REC_R
M_GND
L
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
GND
A_GND
M_GND
A_+10V
CD
TUNER
DECK
AUX
A_GND
L
SP_DET
SP_RLY
A_GND
R_CH
L_CH
DI
CE
VSS
LOUT
LBASS
LTRE
LIN
L4
L3
L2
L1
CLK
VDD
VREF
ROUT
RBASS
RTRE
RIN
RSEL0
R4
R3
R2
R1
CCB
INTERFACE
+
–
+
–
+ –
+ –
+ –
+ –
+ –
+ –
LSEL0
CHASSIS
MECHA BASE
R
R
Vcc
ALC GND ALC
RIPPLE
Nor/CrO2
–
+
–
+
Hich=T1
+
+
–
–
Hich=CHROME
56K
112K
56K 112K
T1_R
T1_L
A_GND
M_GND
ERASE
T2_R2
T2_R1
T2_L1
T2_L2
ERASE HEAD
TAPE2
RECORD/
PLAYBACK HEAD
TAPE1
PLAYBACK HEAD
R-CHL-CH
R-CH
L-CH
7
6
5
4
3
2
1
7
6
5
4
3
2
1
6
5
4
3
22
3
1
4
5
6
1
2
3
1
7
1
2
5
4
3
6
1
2
3
4
5
6
7
8
9
10
IC601
LC75341
CNP7
TO CD
SERVO PWB
P17 12-C
CNP902
CNP903
TO
POWER PWB
P22 1-F
TO
POWER PWB
P23 8-G
C604
0.022
C606 100/16
R607
10K
C613
10/50
R615
2.2K
Q605
KTC3199 GR
R621
2.2K
C635
0.001
R611
3.9K
R613
330
Q603
KTC3199 GR
C615
0.001
C616
0.001
R616
2.2K
R608
10K
R614
330
Q604
KTC3199 GR
R612
3.9K
Q606 KTC3199 GR
R622
2.2K
C636
0.001
CNS902
R609
330
R610
330
CNP101
CNP102
C102
560P
C101
560P
R112
15K
R102
1K
R101
1K
C106
180P
Q104
2SC1845 F
Q106
2SC1845 F
R106
3.3K
R104
2.2K
Q109
KTA1266 GR
R113
10K
C109
0.047
R114
10K
R115
4.7K
C153
100/16
Q110
KRC104 M
R155
150
R853
22K
C857
47/25
C856
0.047(ML)
C855
0.047(ML)
R856
560
Q851
KIA7810AP
R855
3.3 (1/2W)
R850
3.3(1/2W)
ZD851
DZ2.4BSB
Q850
KTC2026
C851 22/50
C852
0.047(ML)
R852 22K
C858
0.047(ML)
C828
0.047
(ML)
Q821
AN78L05
D816
DS1SS133
C829
0.047(ML)
C830
47/25
Q852 KIA7805AP
C859
0.047(ML)
C860
47/25
R854
10K
R156
220K
R154
10K
R153
10K
Q121
KTC3199 GR
Q122
KTC3199 GR
C
0.0
3
C154
0.047
(ML)
R166
22K
R167
47K
Q124
2SA1015 GR
R158
220
C146
220/10
C145
22/50
C142
47/25
R146 10K
C134
22/50
R134
68K
R136 3.9K
R138
6.8K
C132 270P
C136
0.022
R142 100
C140 0.0033
C122
1/50
C116
100/25
R120
56
R122
100K
C118
0.033
C120
560P
R124
3.9K
C114
330P
R118
1K
C112
330P
R126
5.6K
C124
0.0022
R132 33K
C111
330P
C113
330P
C115
100/25
R119
56
R121
100K
R123
3.9K
C117
0.033
C119
560P
C127
0.022
R131
33K
C121
1/50
C123
0.0022
C128 3.3/50
R137
6.8K
C131 270P
C133
22/50
C135 0.022
R139 1.5K
R141 100
C141
47/25
R111 15K
IC101
AN7345K
C107 560P
R107 47K
Q103
2SC1845 F
R103
2.2K
Q105
2SC1845 F
R105
3.3K
C108 560P
R110 4.7K
Q108
KTC3199 GR
C618
1/50
R620
22K
R619
22K
C617 1/50
R601 1
R602 1
R603 1
C602
22/50
R6
0
3.
9
C60
8
0.1(M
C628
1/50
C626
1/50
C624
1/50
C630
1/50
C622
4.7/50
C620
1/50
C612
0.0027
C610
0.1(ML)
C642
0.0033
Q107
KTC3199 GR
R109
4.7K
C105
180P
R108
47K
R117
1K
R145
10K
C139 0.0033
L103
100µH
Q111
KRC104 M
R
1
2
2
C835
4700/16
C820
2200/25
C625
1/50
C623
1/50
C621
4.7/50
C611
0.0027
R617 1.8K
0.0033
C629
1/50
C627
1/50
C619
1/50
R605
3.9K
C607
0.1(ML)
C609
0.1
(ML)
R125
5.6K
R135 3.9K
R140 1.5K
BI11
CNS11
CNS903
BI903
IC101
PLAYBACK AND RECORD/PLAYBACK AMP.