Read Sharp SD-EX200 (serv.man13) Service Manual online
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SD-EX200H
Figure 21 SCHEMATIC DIAGRAM (4/10)
7
8
9
10
11
12
+15V
-15V
+12V
+9V
+3.3V
+7.9V
+20V
—20V
+15V
1.5
4.7K
4.7K
1.5
1K
1K
MA111
0.022
47K
KTA1504 GR
KTA1504 GR
0.1(3W)
0.1(3W)
1K
4.7K
1K
KTA1504 GR
KTA1504 GR
KRC102 S
4.7K
22K
22K
0.1(3W)
0.1(3W)
220
1.5K
MTZJ5.6A
47/25
1.5K
1/50
1K
1.2K
1K
1K
33P
(CH)
DS1SS133
M KRA107 M
18K
47P
(CH)
0.0047
2.2K
0.012
1K
10K
KTC3199 GR
NJM4565M
BUFFER AMP.
KTC3199 GR
1K
2.2K
0.0047
10K
0.012
680P
100K
220
33P
(CH)
1.2K
47P
(CH)
0.01
100K
304HT2P
304HT2P
304HT2P
304HT2P
KTC3199 GR
4.7K
KTC3199 GR
4.7K
304HT2P
304HT2P
304HT2P
304HT2P
100K
0.01
18K
1/50
1K
47
47/25
1M
MA111
7K
MA111
KTC3875 GR
KTC3875 GR
KRC102 S
2 S
4.7K
02 S
S133
4.7K
10/50
KTC3875 GR
10K
4.7K
0.0047
1K
0.001
0.001
100K
180
180
10/16
100
1/50
DS1SS133
1K
1K
1
3
2
DS1SS133
KRC107 M
DS1SS133
8.2K
MTZJ6.8A
0.022
1K
DZS3.3BSB
10/16
DZS5.1BSB
180
10/16
330
0.047
(ML)
(ML)
10K
KIA7808AP
VOLTAGE
REGULATOR
1/50
0.022
KIA7809AP
3
1
0.047
(ML)
1/50
0.022
DS1SS133
100K
10K
Q546
KTA1266 GR
KTC2874 B
2.2K
KRA107 M
2.2K
KTC2874 B
47
47
KIA7812AP
VOLTAGE
REGULATOR
3
1
0.047
(ML)
(ML)
0.022
1/50
10/16
KTC3203 Y
KTC3203 Y
MTZJ6.8A
220
1.5K
KTA1271 Y
47/25
4.7
560
DS1SS133
KTC3199 GR
47K
33K
120K
4.7K
10K
10K
100/16
DS1SS133
100/16
100/16
1.5K
2SK246 GR
3
2
1
8
4
5
6
7
2
2
OFFSET_COMPRA
OFFSET_PROTECT
AD_RESET
SP_RELAY
OFFSET_COMPA
A/D_RESET
PROTECT
OFFSET_PROTECT
SP_RELAY
FAN_LOCK
FAN_MOTOR
PROTECT
PROTECT CIRCUIT PWB-A3
OFFSET COMPA
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
OFFSET PROTECT
PROTECT
A/D_RESET
R-CH_+1
R-CH_—1
L-CH_—1
L-CH_+1
FAN_M—
FAN_M+
L-CH_IN_+1
L-CH_IN_—1
R-CH_IN_—1
R-CH_IN_+1
(1/2W)
+5.1V
-15V
L-CH_OUT
A_GND
R-CH_OUT
8
7
6
5
4
3
1
7
6
5
4
3
2
1
+
—
—
1
2
3
2
1
3
4
1
2
1
2
+
3
4
5
6
3
4
5
6
4
5
6
7
A_—20V
A_+20V
A_+20V
CD_D_GND
+/—9V_GND
VOL_A_GND
P_GND
MICOM_D_GND
P_GND
CD_A_GND
10
9
6
4
3
1
5
7
8
2
L-CH_+1
R-CH_+1
R-CH_
–
1
L-CH_
–
1
L-CH_+1
L-CH_—1
R-CH_—1
R-CH_+1
1
2
3
4
1
2
3
4
1
2
3
4
CNS932
P24 1-D
FROM POWER PWB
CNS513
P21 9-B
FROM PROTECT CIRCUIT PWB
M
M401
FAN MOTOR
CNA101
P26 1-C
FROM 1-BIT AMP. PWB
CNP513
P21 10-H
TO MAIN PWB
CNSA103
P27 12-B
FROM 1-BIT AMP. PWB
D
S
G
1
2
3
2
2
3
1
1
2
3
IC401
VOLTAGE
REGULATOR
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
-B
-B
-B
-B
-B
+B
+B
6:
D ON/OFF
Q539, Q540: MUTING
MUTING
MUTING
MUTING
MUTING
ING
QS06~QS08: OFFSET SWITCHING
SWITCHING
SWITCHING
QS10, QS11: CURRENT DETECT
QS13, QS14: CURRENT DETECT
QS13, QS14: CURRENT DETECT
SURROUND
SYSTEM MUTE
Q421~Q423: FAN SWITCHING
RELAY
SWITCHING
1
2
S04
DS04
S03
DS01
QS06
QS07
QS01
RS07
S03
RS05
CS03
QS08
RS06
RS01
CS01
RS18
QS11
QS13
RS15
RS16
QS10
QS14
QS12
DS12
CS12
RS20
RS14
RS22
RS21
RS10
RS12
RS19
RS11
RS13
RS17
BIS01
CNS513
CNPS02
Q536
R559
R560
R536
D535
C536
R538
C552
R542
Q538
Q540
R572
C542
R540
R539
C568
R546
C544
R544
ZD556
C556
C546
R548
Q544
C550
R550
LED506
LED502
LED504
LED500
BI511
CNS511
R552
R551
Q543
LED503
LED505
LED507
LED501
R549
C551
C541
R571
Q539
R541
R537
C535
R543
C553
C569
C543
R555
C538
R556
R557
R535
R558
C555
R574
R573
Q545
C549
R545
C545
R547
C548
Q548
R575
R576
Q547
R570
R569
C559
C560
CNP401
CNS401
R434
R433
R432
PS421
4.7
Posistor
Q423
R427
R428
Q421
R422
Q422
R423
R425
ZD400
R400
C403
C404
IC401
C405
IC400
C400
C401
C402
C406
IC402
Q400
D400
R402
ZD401
C410
C411
ZD402
R405
C409
C408
C407
R431
D422
C424
ZD421
R426
R424
C423
D421
LF402
C422
C421
R421
SO421
SPEAKER
TERMINAL
LF401
R438
C425
Q424
R430
R429
D423
RL421
D402
R412
R411
D401
R407
R403
R406
CNP513
IC502
CNP532
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