XL-1500 (serv.man2). Schematic Diagrams - Sharp Audio Service Manual (repair manual). Page 8

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– 31 –
XL-1500H
7
8
9
10
11
12
Figure 31 SCHEMATIC DIAGRAM (8/8)
4.8V
4.8V
4.8V
4.8V
4.8V
9.6V
5V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
4.8V
0V
0V
0V
0V
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
POWER AMP.
FUNCTION/
VOLUME EQUALIZER
SURROUND
CONTROL
15 14 13 12 11 10 
9 8 7 6 
1 
2 
3 
4 
5 
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 
1 2 3 4 5 6 7 8 9 
10 11  12 
1 
2 
5 6 7 8 
4 3 2 1 
5 
4 
3 
2 
1 
3 
2 
1 
CD_L
CD_R
A_GND 
–GND1 
POWER 
OUT1
VCC 
–GND2 
POWER 
MUTE
OUT2
NF2 
IN2 
GND 
FIL 
NF1 
IN1 
M_GND 
PROTECT 
CD_7.2V 
P_STB 
(1W)
(1W)
–
–
–
–
+ 
+ 
+ 
+  + 
A  GND 
+B
+B
+B
L 
R 
HEADPHONES
JACK
L-CH SPEAKER BOX 
R-CH SPEAKER BOX 
6  Ohm 
6  Ohm 
TWEETER 
WOOFER
WOOFER
TWEETER 
1 
2 
3 
4 
5 
9 
10
AUX  L 
CL
VDD 
VREF
ROUT
RBS2
RBS1
RTRE
RIN 
RSL0
R4
R3
R2
R1
L1
L2
L3
L4
LSL0
LIN
LTRE
LBS1
LBS2
LOUT
TEST
VSS
CE
DI
CE
DI
CL
AUX  R 
TUN  R 
CD  R
AUX  L 
CD  L
TUN  L 
CD_GND
CD–12V
CD+B
1 
12 
11 
10 
9 
8 
7 
5 6 
4 
2 3 
13 
P_MUTE
CD  +B
CL
DI
CE
DO
FM  ST
SD
VSM
DATA
RDS  CLK
D_GND
SURROUND
CHASSIS
GND
CHASSIS
GND
CHASSIS
GND
CNW702
P29  11-F
FROM
DISPLAY PWB-A2
SPEAKER
TERMINAL
CNW703
P29  11-D
FROM
DISPLAY PWB-A2
CNW707
P29  11-G
FROM
DISPLAY PWB-A2
CNW808
P27  12-F
FROM
CD PWB-A3
FROM
SPRING(233)
CNW803
P27  12-D
FROM
CD PWB-A3
CNW805
P27  12-E
FROM
CD PWB-A3
G
D
S
1
2
3
1
1
2
2
3
3
1
1
2
2
3
3
1 
2 
1 
2 
CHASSIS
GND
1 
2 
1 
2 
47K
1N4148
2SK2541
KRC107 M
10K
2.7K
0.0033
1/50
12K
4.7/50
100K
8.2K
0.0056
1/50
12K
330
12K 
KIA4558P
0.0033
1/50
8.2K
47/16
0.0056
10K
12K
10K
4.7/50
100K
1/50
10K
2.7K
12K
12K
100/16
10K
220P
220P
220P
3.9K
1/50
0.1
10/16
10/16
10/16
1K
1K
1K
10/16
10/16
10/16
1K
1K
1K
1K
1K
1K
10/16 
6.8K
0.0027
2.2/50
0.1
3.9K
0.1
1/50
33/16
100/16
10K
1N4004
1N4004
1N4004
LC75342M
0.1
0.0027
10/16
2.2/50
6.8K
0.0022
0.022 
6.8
0.022
0.0022
0.022 
0.022 
6.8
10
µ
H
820P
0.01
KRC107 M
3.3/16
KRA107 M
0.022
0.022
6.8
6.8
0.022
0.022
1N4148
KTC3199 GR
10K
1N4148
0.022
0.2
1K
KTC3199 GR
0.2
0.022
10K
1K
4.7
270
0.1
0.1
270
4.7
0.1
0.1 
470/25
10/50
0.022
56K
470/25
100/25
0.082
1K
1K
100/25
47/25
0.022
1K
1K
10K
LA4282
470P
470P
KTC3199 GR
KTC3199 GR
KRC102 M
22K
820
KRC102 M
100/16
6.8K
10K
10K
0.001
1.8K
1.8K
470P
470P
10
µ
H
330
330
10
µ
H
820P
0.082
3
µ
H
3
µ
H
CNP702
R207
D201
Q201
Q203
R206
R212
C212
C204
R214
C214
R204
R202
C202
C216
R218
R208
R216
IC201
C211
C203
R201
C209
C201
R210
R217
R205
C213
R203
C215
R209
R211
R213
R215
C208
R442
C431
C433
C432
R440
C426
C424
C402
C404
C408
R416
R418
R422
C407
C403
C401
R424
R425
R423
R415
R417
R421
C415
R437
C419
C417
C421
R439
C423
C425
D401
C429
C430
R441
D402
D403
IC401
C422
C420
C416
C418
R438
SO601
L101
C123
C121
C119
R129
C124
C122
C120
R130
L102
L105
C126
JK101
CNP703
CNP808
CNP707
CNP909
CNW909
C691
Q109
C128
Q108
R136
R135
C135
C133
Q104
R124
D101
C118
R120
R122
Q103
R119
C117
R123
R121
C136
C134
C112
C114
R116
R114
R113
R115
C113
C111
C110
C115
C116
R111
C109
C108
C105
R109
R110
C107
C130
C129
R101
R102
R105
IC101
C104
C103
Q102
Q101
Q105
R107
R108
Q106
C101
R106
R103
R104
C127
CNP805
CNP803
R857
R858
C861
C862
L104
R127
R128
L103
C125
C106
D102
SP601 
SP602 
SP603 
SP604 

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