Read Sharp CD-MD3000 (serv.man31) Service Manual online
CD-MD3000H/CD-MD3000W
– 52 –
Figure 52 BLOCK DIAGRAM (6/7)
A
C
+B
+B
+B
+B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
10
1
2
3
4
5
6
7
8
9
11
12
13
14
15
AC POWER
SUPPLY
CORD
+B
MAIN
MAIN
SUB
WOOFER
+B
+B
IC802
TO MAIN PWB
6
T.F.
SP L-CH
SP R-CH
GND
SP R-CH
SP L-CH
GND
SP L-CH
SP L-CH
GND
SP R-CH
SP R-CH
GND
M
+
+B
-B
-B
-B
+B
FAN MOTOR
DRIVER
RELAY
DRIVER
MICON +5V
+B
+B
+B
-B
-B
-B
+B
-B
+B
-B
+B
+B
+B
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
REGULATOR
-B
HIGH
LOW
CD-MD3000H
ONLY
ONLY
CD-MD3000W
ONLY
ONLY
F802
T2.5A L 250V
IC803
M
+
MO201
FAN
MOTOR
CD-MD3000W
ONLY
ONLY
IC808
3
1
2
Q813
Q812
FAN MOTOR
DRIVER
FAN PROTECT
CD-MD3000W
ONLY
Q200
CNP807
Q210
Q212
Q211
D812~D815
D804~D807
IC808
KIA7805P
CONSTANT VOLTAGE
REGULATOR
F807
T3.15A L 250V
RY801
SO201
SPEAKER
TERMINALS
RY202
Q209
RY201
Q810
Q801
Q803
Q805
CNP806
F808
T2A L 250V
Q806
IC202
STK40204(2Ch)
POWER AMP.
Q204
Q203
Q208
Q207
Q206
Q201
IC201
STK40271(2Ch)
POWER AMP.
Q205
F801
T2A L 250V
F804
T5A L 250V
F803
T5A L 250V
F806
T3.15A L 250V
D816
D817
D808~D811
F805
T3.15A L 250V
IC203
T802
SUB POWER
TRANSFORMER
Q807
Q809
IC802
KIA7810AP
VOLTAGE
REGULATOR
IC203
KIA4558P
OPE AMP.
T801
MAIN POWER
TRANSFOMER
MO200
FAN
MOTOR
Q202
M+10V
230-240V
220V
127V
110V
SO801
VOLTAGE
SELECTOR
IC803
NJM431L
VOLTAGE
REGULATOR
A_+10V
GND
GND
GND
+5V
M_+10V
TO DECK SECTION
D_GND
FAN_CTL
D_GND
-8V
AC_RLY CTL
UN_SW +5V
SP_RLY
SP_DET
8
3 4 6
1
7
2 5
9
CD_GND
M_GND
CD_+B
M_10V
A_GND
A_+10V
M_10V
M_GND
CD_GND
CD_+B
A_GND
A_+10V
A_GND2
R-CH
L-CH
15
14
13
12
11
9
8
6 7
5
4
3
2
1
10
+
+
–
–
–Vcc
+Vcc
Ch1
Ch2
Ch2
Out
Out
Ch1
8
7
5
4
3
2
1
+
+
–
–
3
2
1
Out
Ch2
Ch2
Out
Ch2
Ch2
Ch2
Ch1
–
–
+
+
+Vcc
–Vcc
FOR CD-MD3000H: AC 230V, 50Hz
FOR CD-MD3000W: AC 110/127/220/
230-240V, 50/60Hz
FOR CD-MD3000W: AC 110/127/220/
230-240V, 50/60Hz
-
+
+
-
+
-
+
-
1
3
2
JK701
HEADPHONES
HEADPHONES
L802
LINE
LINE
FILTER
10 11 12 13
+5V
Q215
Q811
Click on the first or last page to see other CD-MD3000 (serv.man31) service manuals if exist.