Sharp XL-HP500 Service Manual - Page 17

Schematic Diagram 2/11

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+B L R C927 0.22 (ML) R941 4.7 (1/2W) C929 0.22 (ML) RL914 R945 2.2K R944 2.2K R_OUT L_OUT D911 DS1SS133 0.2V Q905 KTC3199 GR 4.4V R946 47K +B P32 1 - A CNP801 TO POWER PWB 801 1 2 3 4 5 6 6V 7 +B 8 LUG902(229) CHASSIS GND CNS801 1 2 3 4 5 6 7 XL-HP500 Q906 KTC3203 Y WT902 + D912 DS1SS133 MAIN PWB-A1(1/3) C930 47/50 2 2 1 1 M971 FAN MOTOR (212-3) M R949 1K (1/2W) CNP971 CNS971 R947 15K C931 10/50 +B R950 68K C643 0.001 +B M_+12.0V 1 SP_RLY 2 R_CH 3 GND 4 L_CH 5 FW902 HEADPHONES PWB-A3 HD902 1 R962 2 330 (1/2W) 3 4 JK951 HEADPHONES 5 R961 330 (1/2W) HD903 1 2 3 FW903 JACK PWB-A4 1 R965 8.2K (1/2W) 2 R966 3 8.2K (1/2W) JK953 SUB WOOFER WT904 R967 680 (1/2W) C960 3.3/25 + L-CH + R-CH SO901 SPEAKERS 6 OHMS MIN - L-CH_GND - R-CH_GND LUG903(229) CHASSIS GND 7 8 9 10 11 12 Figure 17 SCHEMATIC DIAGRAM (2/11) - 17 -

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– 17 –
XL-HP500
Figure 17 SCHEMATIC DIAGRAM (2/11)
7
8
9
10
11
12
+B
+B
+B
+B
+B
4.4V
0.2V
+
+
–
–
P32
1 - A
CNP801
TO POWER PWB
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
HEADPHONES
PWB-A3
JACK
PWB-A4
SPEAKERS
L
R
(1/2W)
6V
6
OHMS
MIN
(ML)
(ML)
R_OUT
L_OUT
3
1
2
1
5
4
3
7
6
5
4
3
8
2
1
1
7
2
3
4
5
6
1
3
2
R-CH_GND
L-CH_GND
R-CH
L-CH
M_+12.0V
SP_RLY
R_CH
GND
L_CH
5
4
3
2
1
HEADPHONES
FAN MOTOR (212-3)
SUB WOOFER
+
2
1
M
2
1
2
MAIN PWB-A1(1/3)
LUG902(229)
LUG903(229)
CHASSIS
GND
CHASSIS
GND
KTC3203 Y
47/50
1K
68K
10/50
0.001
15K
DS1SS133
330
330
8.2K
8.2K
680
3.3/25
KTC3199 GR
DS1SS133
2.2K
2.2K
4.7
0.22
0.22
47K
CNP971
CNS971
M971
Q906
C930
R949
R950
C931
C643
R947
D912
WT902
JK951
HD902
FW902
R962
R961
JK953
WT904
R966
R965
R967
C960
FW903
HD903
SO901
801
CNS801
Q905
RL914
D911
R944
R945
R941
C927
C929
R946