Sharp CD-BK260V Service Manual page 21

+B4
2
4
–20 dB
R ATT
1
Q601
4 L
Q602
REC/PLAY
+B4
8
IC561
1
28
4
IC562
7
29
IC561,IC562 VF1
KIA4558P
OPE AMP.
T1/T2
BIAS
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FL DISPLAY
1 2 3 6 13 14
Q701-Q703
61 57 56 55
67
78
80
VLOAD
79
81
89
MICROCOMPUTER
90
92
93
100
1 2 4 5 6 7 8
+B5
RESET
SP. DET.
Q907
Q908
Q902
Q903
Q905
–B2
Q904
1 L-OUT
L 7
R 10
15 R-OUT
Vcc
–
13
+Vcc
IC901
9
8
STK4029S
POWER AMP.
-B1
D901
+B1
M12
D902~D905
+B3 IC902
VF2
KTC2026
+B4 IC903
A+10V
KIA7810AP
VOLTAGE REGULATOR
–VF
+5V
SW5V
IC904
+B5
KIA7805AP
CONSTANT VOLTAGE REGULATOR
Figure 21 BLOCK DIAGRAM (3/3)
CD-BK260V/CD-BK2700V/CD-BK280V
FL701
47 48 49
16 23 31 32 44
+B5
54 53 52 51 50 49 48 46 45 44 43 42 40
39
IC701
36
IX0411AW(1/2)
35
SYSTEM
34
AVDD
33
31
15
9 1 0 11 12 13 16 1 7 20 21 23 22 24
+B5
XL700
4.194304 MHz
Q709
+B5
Q914
RL914
PT801
POWER
TRANSFORMER
F901
T4A L 250V
F902
T4A L 250V
F904
T2A L 250V
F903
T2A L 250V
Q901
VOLTAGE
REGULATOR
T.F.
– 21 –
RX701
REMOTE
1
3
SENSOR
2
+B5
+B5
KEY
SW701-SW707
SW712-SW732
SW601
SPAN
SELECTOR
TO CD
SECTION
+B3
JK701
HEADPHONES
+B5
M901
Q906 M
FAN
MOTOR
SO901
SPEAKER
TERMINAL
CD-BK260V/CD-BK2700V: 6 ohms
CD-BK280V: 8 ohms
SR1
SURROUND
SPEAKER
TERMINAL
CD-BK280V ONLY
SW801
VOLTAGE
SELECTOR
230-240 V
AC POWER
220 V
SUPPLY CORD
AC 110/127/220/
127 V
230-240 V, 50/60 Hz
110 V