XL-HP404 (serv.man9). (6) Circuit schematics and parts layout - Sharp Audio Service Manual (repair manual). Page 9

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XL-HP404E/HP404H
6 – 9
Figure 6-9 SCHEMATIC DIAGRAM (8/14)
6
7
8
9
10
11
12
4.4V
0.2V
–33V
–28V
–28V
DS1SS133
1K
1K
1K
1K
2.2K
2.2K
0.22
2.2µH
SUB WOOFER
PRE-OUT
680(1/2W)
3.3/25
8.2K(1/2W)
8.2K(1/2W)
3300/25
68K
15K
10/50
DS1SS133
0.22
4.7
0
47K
6.8
0.022
0.022
0.022
0.022
6.8
KTC3203 Y
1K
KTC3875 GR
RELAY
DZ6.8BSA
16
15
14
13
12
11
10
9
6
5
4
3
2
1
1K
220K
47K
0.022
220
1N4004S
DS1SS133
AN78L05
VOLTAGE
REGULATOR
3
1
1N4004S
RL204F
22/100
100K
KTC3199
GR
1000/6.3
1N4004S
DZ300BSB
47/50
DZ6.2BSA
10
KTA1274 Y
2.2K
0.1
0.1
220/63
RL204F
100/35
47/50
47K
12K
47K
1N4004S
1N4004S
1N4004S
1N4004S
0.047
470/35
0.1
0.1
D5SBA60F
9
8
7
6
5
4
3
2
1
DS1SS133
RELAY
1
3
1
3
2
2
2
0.1
(ML)
(ML)
0.1
0.001
0.022
0.022
6.8
0.022
0.022
6.8
0.001
68
0.0012
68
0.001
0.001
0.0012
+B
+B
+B
+B
+B
+B
+B
+B
(1/2W)
(1/2W)
(1/2W)
(1/2W)
R
L
+B
+B
c
c
D
CHASIS
LG2(231)
LG1(231)
LG3(231)
GND
CHASIS
GND
CHASIS
GND
M_+13.0V
SP_RLY
R_CH
GND
L_CH
+
R_OUT
L_OUT
3
M
5
4
2
1
3
5
4
2
1
1
1
2
2
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
5
4
6
7
8
9
T4A L 250V
(ML)
(ML)
(ML)
(ML)
VF2
P_IN
VF1
–VF
AC_RLAY
5.6V
UNSW_
150 C
T2A L 250V
T4A L 250V
SPEAKER
TERMINAL
T2A L 250V
(1/2W)
2
4
5
6
82
47
47
1
3
0.0047/250
AC 230V,50Hz
AC POWER
SUPPLY CODE
(228)
NEUTRAL
LINE
FILTER
LIFE
BLUE
2
4
5
6
1
3
7
6
5
4
3
1
2
VF2
VF1
–VF
P_IN
W_5.6V
RELAY
SINK
BROWN
1
2
3
4
5
4
3
2
1
4
3
2
1
6 OHMS MIN
R-CH_GND
L-CH_GND
R-CH
+
+
L-CH
2.2µH
100P
100P
(CH)
(CH)
JACK PWB-B4
TERMINAL PWB-A3
POWER PWB-A2
POWER TRANSFORMER
(SUB)
POWER TRANSFORMER
(MAIN)
When
Servicing,
Pay
a
ttention
a
s
the
area
enclosed
by
this
line
(
)
is
directly
connected
with
AC
main
voltage.
FAN MOTOR
HEADPHONES
MAIN PWB-A1(2/2)
TF
XL-HP404H
0.29µH
0.29µH
CNP801
BI801
CNS801
CNP802
BI802
CNS802
BI902
CNP902
CNS902
CNP971
CNS971
Q906
M971(202-3)
R842
R843
C861
R858
D853
D856
IC854
Q841
C841
C842
R841
D842
D845
D844
D843
C843
PT841
L841
RL841
D846
C844
PT801
ZD802
R844
R804
R805
R801
D806
ZD803
C803
ZD801
R807
Q801
R808
C804
C801
C802
R806
R803
R802
D805
C805
D803
C808
C809
D804
C806
C807
D802
F801
F802
F803
F804
C954
C955
C943
C938
C940
R954
C939
C941
R955
C942
L920
L921
SO901
R970
C950
R971
C952
C953
C951
C927
C929
R941
R956
D911
RL914
R957
R958
R942
R943
R945
R944
R946
Q905
JK953
L903
R968
C960
R965
R966
R947
C931
D912
R950
R949
R953
C937
C935
C934
C936
R952
CNP805
L702
C710
C711
JK701
CNP708
FW901
WTM901
AL
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