Sharp CD-BP1450V Service Manual page 20

CD-BP1450V
A
R-CH
1 1
A_GND
2 2
L-CH
3 3
CD_GND
4 4
+5V
5 5
CNS601 BI601
B
L
20
GND
(A_GND)
21
C
R
22
+5V
23
(CD_GND)
GND
24
D
E
TAPE 1
PLAYBACK
HEAD
R-CH
L-CH
F
ERASEHEAD
R-CH
L-CH
TAPE 2
RECORD/
PLAYBACK HEAD
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 32.
1
+B
R609
8.2K
R601
Q601
330
KTC3199 GR
R603
2.7K
C601
0.001
C602
0.001
R604
2.7K
R608
2.2K
Q602
KTC3199 GR
R602 R610
8.2K
330
+B
FM SIGNAL
CD SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
C102
0.001
CNP101
1 1
TAPE1_R
2 2
A_GND
3 3
TAPE1_L
C103
Q104
0.001
2SC1845 F
C104
180P
CNP102
6 1
5 2
ERASE
4 A_GND 3
TAPE2_R2 4
3 TAPE2_R1 5
2 TAPE2_L1 6
1 TAPE2_L2 7
C105
180P
Q105
2SC1845 F
2
Figure 20 SCHEMATIC DIAGRAM (7/11)
IC601
LC75341
AUDIO PROCESOR
R615
3.9K
R607
2.2K
R617
3.3K
C633
0.0033
C603 R625
22/25 22K
Q101~Q103: SWITCHING
Q102
R101 R102
KRC104 M
10K 10K
3
2
C101
0.047 1
R103
4.7K
1
3
2
Q101
KTA1266 GR
Q103
KRC104 M
R137
10K
R104
1K
R105
1K
R106
2.2K
R108
3.3K
Q106
2SC1845 F
Q107
2SC1845 F
R109 C107
3.3K
0.001
R107
2.2K
Q104~Q109: SWITCHING
3 4
– 20 –
DI
1
CE
2
C607 10/50
CCB
3 VSS INTERFACE
C609 0.1(ML)
LOUT
4
C611 0.1(ML)
LBASS
5
C613 0.0027
LTRE
6
C617 1/50
LIN
7
C629 1/50
LSEL0
8
L4
9
AUX
C623 1/50
L3
DECK
10
C625 1/50
L2
11 TUN
C627 1/50
L1
12 CD
R157
100
C108
100/16
R124
33K
R116
R122
56
5.6K
C116
47/25
C122
47/25
C120
C118
560P
0.033
R120
3.9K
R118
C114
R114
100K
330P
1K
C112
330P
24 23 22 21
-
R
+ 112K
Hich=T1
+
L 112K
-
1 2 3 4
C113
330P
R115
C115 R119 R121
1K
330P 100K 3.9K
C121
560P
C119
0.033
C123
C117 47/25
47/25
R117
56
R138
10K
5
CLK
24
+B
23
VDD
C606 22/50
VREF
- + 22
C608 10/50
ROUT
21
C610 0.1(M
RBASS
20
C612 0.1(M
RTRE
19
C614 0.00
RIN
18
C618 1/50
RSEL0
17
C630 1/50
R4
16
C624 1/50
R3
15
C626 1/50
R2
14
C628 1/50
R1
13
R14
220K
MUTING
Q110
KTC3199 GR
R1
0V
10
0.7V
0V
C128
22/25
20 19 18 17
-
+ 56
IC101
Hich=CHROME
AN7345K
+
56K
-
5 6 7 8
C129
C139
22/25
3.3/50
C137
0.022
R123
5.6K
6