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JK500
SUBWOOFER
OUT
IC503
M4558CD
PE AMP.
R599
R594
470
47K
C594
R596
0V
C593
100P
470
10/16
(CH)
0.6V
R597
2
1
0V
2.7K
2
IC503
1
1.4V
3
5
6
7
C591
R593
C592
5.6K
22/16
R592
10K
4 B
G
1.5K
(1/2W)
R559
R536
R560
(1/2W)
1.5K
1.2K
URROUND
Q538
C542
SK246 GR
S
1
G
Q540
D535
KTC3199 GR
D
DS1SS133
R538
R542
2.2K
1K
R572
4.7K
R571
4.7K
R537
R541
2.2K
1K
Q539
KTC3199 GR
C541
1
Q539, Q540: MUTING
R535
R556
1.2K
100K
R557
220
R558
47
2
1
3
IC401
R574
100K
VOLTAGE
REGULATOR
IC401
+B
KIA7809AP
+9V
+B
+B
3
1
R400
2
330
C406
ZD400
0/16
DZS3.3BSB
C407
+B
1/50
+B
3
1
R405
180
2
+B
C409
C408
C411
ZD402
0.047
0.022
0/16
DZS5.1BSB
(ML)
C410
IC402
ZD401
.022
DZ5.6BSB
KIA7808AP
-B
VOLTAGE
D400
SS133
Q400
REGULATOR
KRC107 M
3
1
+20V
2
D402
DS1SS133
R406
R407
R411
R412
1.5K
1
1K
1K
(1/2W)
(1/2W)
PROTECT
3
-20V
-B
+B
+B
CNP532
1
2
3
4
5
6
7 8
9
10
CNS932
6 - 14 1 - D
FROM POWER PWB
7
QS03~QS05:A/D RESET SWITCHING
DS06
QS05
DS1SS133
KRC107 S
2
DS03
1
DS05
DS1SS133
3
DS1SS133
DS02
DS1SS133
QS04
DS04
CS05
1
KRC102 S
CS06
MA111
0.001
2
0.022(ML)
3
DS01
CHASSIS
RS03
3
MA111
GND
4.7K
2
QS03
CS02
KRA102 S
1
10/50
2
RS04
3
QS02
1M
KRA102 S
1
+B
SWITCHING
CNPS01
1
2
3
CNS502
1
2
3
1
3
4
BI502
+B
+B
47/25
C556
R546
DZ4.7BSA
18K
ZD556
R548
1K
C546
10/50
R540
C568
C544
1K
33P
47P
(CH)
(CH)
3
2
1
8
KTC3199 GR
4 5
6
7
C569
R539
33P
1K
(CH)
C543
47P
R547
(CH)
1K
R545
C545
18K
C560
10/50
100/16
-B
R570
47
Q545
KRA107 M
R576
2.2K
SYSTEM MUTE
Q546
R575
KTA1266 GR
2.2K
Q548
KTC2874 B
MUTING
IC400
+12V
Q421~Q423: FAN SWITCHING
+B
1
3
PS421
Q423
2
4.7
R428
KTC3203 Y
C401
C400
Posistor
1.5K
0.022
0.047
(ML)
Q422
R427
KTC3199 GR
220
R425
4.7K
C424
C423
10/16
100/16
KIA7812AP
VOLTAGE
REGULATOR
D422
DS1SS133
FAN_MOTOR
C425
FAN_LOCK
1/50
R429
R438
RELAY
10K
1K
R430
SP_RELAY
SWITCHING
10K
Q424
KTC3203 Y
D423
DS1SS133
+B
CNP513
1
2
CNS513
6 - 11 11 - B
FROM PROTECT CIRCUIT PWB
8
QS06~QS08: OFFSET SWITCHING
SWITCHING
QS12
KRC102 S
RS18
QS08
KTC3875 GR
RS05
RS07
4.7K
4.7K
RS06
QS07
4.7K
KTC3875 GR
SWITCHING
RS16
QS01
1
KRC102 S
2
QS06
CS01
KTC3875 GR
3
0.0047
RS01
+B
4.7K
1
4
5
6
4
5
6
5
6
7
6 - 17 12 - C
FROM 1-BIT AMP. PWB
MUTING
Q544
R552
4.7K
R551
4.7K
Q543
KTC3199 GR
MUTING
C559
100/16
R569
47
A/D_RESET
PROTECT
OFFSET_PROTECT
OFFSET_COMPA
FAN_M+
+B
R423
47K
R422
560
R432
100
R424
R421
120K
4.7
LF402
R426
33K
LF401
RL421
3
4
9
10
6 – 11
PROTECT CIRCUIT PWB-A3
QS10, QS11: CURRENT DETECT
CS12
1
QS13, QS14: CURRENT DETECT
0.022
2
QS11
QS10
KTA1504 GR
KTA1504 GR
RS19
1K
1K
QS13
QS14
RS17
KTA1504 GR
KTA1504 GR
1K
1K
CNPS02
BIS01
2
3
4
1
2
3
4
CNS513
1
2
3
4
CNSA103
CNP513
6 - 11 9 - H
TO MAIN PWB
R-CH_OUT
8
7
A_GND
7
6
L-CH_OUT
6
5
A/D_RESET
5
4
PROTECT
4
3
OFFSET PROTECT
3
2
OFFSET COMPA
1
1
M401
FAN MOTOR
2
2
M
FAN_M-
1
1
SO421
SPEAKER
TERMINAL
+
R-CH_+1
-
R-CH_-1
-
L-CH_-1
+
L-CH_+1
11
SD-EX220H
12
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