Sharp CD-BK260V Service Manual page 21

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