Sharp CD-CH1500, Руководство по обслуживанию

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CD-CH1500
TO MAIN PWB
A B C D
+B
+B
+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
SO201
BI950A
TO MAIN PWB
BI960
6
IC808
TF
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
-B
HIGH
LOW
Q200
CNP807
Q210
Q212
Q211
IC808
KIA7805AP
CONSTANT VOLTAGE
REGULATOR
F807
5A/125V
RY801
SO201
SPEAKER
TERMINALS
RY202
Q209
RY201
Q810
Q805
CNP806
F808
2.5A/125V
Q806
IC202
STK40204(2Ch)
POWER AMP.
Q204
Q203
Q208
Q207
Q206
Q201
Q813 Q812
IC201
STK40271(2Ch)
POWER AMP.
Q205
F801
2.5A/125V
F804
5A/125V
F803
5A/125V
F806
4A/125V
D816
D817
F805
4A/125V
T802
SUB POWER
TRANSFORMER
Q807
Q809
IC802
KIA7810AP
VOLTAGE
REGULATOR
IC203
KIA4558P
OPE AMP.
T801
MAIN POWER TRANSFOMER
MO200
FAN
MOTOR
Q202
M+10V
D812~D815
D804~D807
A_+10V
A_GND
M_+10V
BIAS_GND
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
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
Out
Ch2
Ch2
Ch1
–
–
+
+
+Vcc
–Vcc
AC 120V,
60Hz
3
2
1
-
+
+
-
+
-
+
-
JK701
HEADPHONES
MICON +5V
Figure 15 BLOCK DIAGRAM (2/6)