Sharp CD-BA120 Service Manual page 20

CD-BA120/125
A
R-CH
1 1
A_GND
2 2
P19 12 - D
L-CH
CNP11 3 3
TO CD SERVO
CD_GND
4 4
PWB
+5v +B
5 5
B
CNS601 BI601
+B
L
U
C
GND (A_GND)
V
TO POWER
R
PWB
W
P22 1 - G
+5V
+B
X
GND
(CD_GND)
Y
D
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
E
TAPE1
PLAYBACK
HEAD
1 1
R-CH
2 2
3 3
L-CH
F
TAPE2
RECORD/
PLAYBACK HEAD
1 1
ERASE
2 2
HEAD
3 3
R-CH
4 4
5 5
L-CH
6 6
7 7
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 13.
1
R601
R609
330
10K
Q601
KTC3199 GR
R607
2.2K
R603
1.5K
C601
0.001
C602
R604 0.001
1.5K
R608
2.2K
Q602
KTC3199 GR
R610
R602
330 10K
C603
22/25
C101
0.047
R101
10K
LUG1
MECHA BASE GND
Q101
KTA1266 GR
C102
560P
1 TAPE1_R 1
2 A_GND
2
3 TAPE1_L
3
CNP101
C103
560P
Q104
2SC1845
C104
1 M_GND 1
180P
2 ERASE 2
TAPE2_R2
3 3
Q106
2SC1845
4 A_GND 4
TAPE2_R1
5 5
6 TAPE2_L1 6
7 TAPE2_L2 7
Q107
2SC1845
CNP102
R109
C105
3.3K
180P
Q105
2SC1845
2 3
Figure 20 SCHEMATIC DIAGRAM (3/10)
C607 10/50
C609
R615
3.9K
C611
C613 0.0027
C617
C629
C623
1/50
C625
1/50
R617
1K
C627
1/50
R625
22K
+B
R157
100
(1/4W)
Q102
R102
KRC104 M
10K
2 3
C108
1
100/16
R103
4.7K
1
2 3
Q103
KRC104 M
R137
15K
R104
1K
R105
1K
C112
330P
R106
2.2K
R108
3.3K
C113
330P
C107
560P
R107
2.2K
4
– 20 –
IC601
LC75341
AUDIO PROCESSOR
CLK
DI
1
CE
2
VDD
CCB
VREF
INTERFACE
VSS +
3
-
0.1
LOUT ROUT
4
0.1
LBASS RBASS
5
LTRE RTRE
6
1/50
LIN RIN
7
1/50
LSEL0 RSEL0
8
R4
L4
AUX
9
L3
R3
10 DECK
L2 R2
11 TUN
L1 R1
12 CD
+B
IC101:PLAYBACK AND RECORD AMP.
R124
R116
33K
56
C116
R122
C122
100/25
5.6K
1/50
C118
C120
0.033/25
560P
R118 R120
100K 3.9K
R114
1K
C114
330P
24 23 22 21 20 19 18
-
112K
R
+
IC101
Hich=T1
AN7345K
+
L
112K
-
4 6
1 2 3 5 7
C139
R115 C115
3.3/50
1K
330P
R121
R119
3.9K
100K
C137
0.022
C121
C119
560P
0.033/25
C123
C117
1/50
100/16
R123
R117
5.6K
56
R138
15K
5
24
+B
23
C606
22/50
22
C608
10/50
21
C610 0.1
20
C612
0.1
C614
19
0.0027
C618
18
1/50
17
C630
1/50
16
C624
15
1/50
C626
14
1/50
13
C628
1/50
R142
220K
Q110
KTC3199 GR
0V
0.7V
R140
0V
10K
C128
22/25
16
17
-
56K
+
Hich=CHROME
+
56K
-
9
8
C129
22/25
C
4
6