Sharp CD-BK260V Service Manual Page 21

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– 21 –
CD-BK260V/CD-BK2700V/CD-BK280V
Figure 21 BLOCK DIAGRAM (3/3)
SW601
SPAN
SELECTOR
CD-BK280V ONLY
Q914
KTC2026
KIA7810AP
VOLTAGE REGULATOR
Q907
Q908
–VF
VF2
VF1
Q901
+B5
+5V
SW5V
KIA7805AP
CONSTANT VOLTAGE REGULATOR
VOLTAGE
REGULATOR
IC904
+B4
+B3
+B1
-B1
–B2
+B5
+B3
+B5
-
13 44
+B4
16
Q701-Q703
R
L
ATT
–20 dB
+B5
RX701
REMOTE
SENSOR
+B4
IC561,IC562
KIA4558P
OPE AMP.
IC701
IX0411AW
(2/2)
IC562
IC561
D902~D905
D901
RL914
JK701
HEADPHONES
M901
FAN
MOTOR
M
Q906
Q709
Q902
Q903
Q905
Q904
Q601
Q602
IC903
IC902
IC901
STK4029S
POWER AMP.
A+10V
M12
F903
T2A L 250V
F904
T2A L 250V
F902
T4A L 250V
F901
T4A L 250V
+Vcc
Vcc
R-OUT
L-OUT
CLK
SO901
SPEAKER
TERMINAL
SR1
SURROUND
SPEAKER
TERMINAL
31
REC/PLAY
VLOAD
RESET
+B5
+B5
+B5
+B5
VDD
VDD
VDD
SP. DET.
CE
DI
DO
XL700
4.194304 MHz
L
R
BIAS
T1/T2
AVDD
SW701-SW707
SW712-SW732
KEY
TO CD
SECTION
IC701
IX0411AW(1/2)
SYSTEM
MICROCOMPUTER
FL701
FL DISPLAY
1
23
89
81
32
80
4948
47
93
14
92
90
12456 78
15
1
29
28
9
78
67
6 132
3
2
1
7
8
4
1
13
7
8
10
100
4
4
2
33
31
4546
11 12 13
9
1 0 16 1 7 20 2123
15
2224
79
5761 56 54 53 5251 5055 49 48
4344 42 40
39
36
35
34
T.F.
PT801
POWER
TRANSFORMER
110 V
127 V
220 V
230-240 V
SW801
VOLTAGE
SELECTOR
AC POWER
SUPPLY CORD
AC 110/127/220/
230-240 V, 50/60 Hz
RESET
CD-BK260V/CD-BK2700V: 6 ohms
CD-BK280V: 8 ohms
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