Nx-Sw301 Block Diagram - Yamaha DVX-S301 Service Manual

A B
DVR-S300/
NX-P301/NX-P302
I NX-SW301 BLOCK DIAGRAM (1/2)
1
CN401
SYSTEM CONTROL
1
NC
2
NC
3
C
4
GND C/SW
5
GND D
6
SYSTEM
GND D
7
GND D
CONNECTOR
8
SW
9
GND SL/SR
10
FL
11
FR
12
GND FL/FR
13
2
SR
14
SL
15
POWER (3)
IN/OUT
CN405
SDN7P
GND-C
1
GND-SR
2
GND-SL
3
3
GND-FR
4
GND-FL
5
GND-D
6
SYSTEM
7
CN409
GND-FL
1
FL-OUT
2
GND-FR
3
FR-OUT
4
GND-SL
SPEAKERS
5
SL-OUT
4 6
GND-SR
7
SR-OUT
8
GND-CT
9
CT-OUT
10
5
26
6
C D
CN404 CN301 (BLUE/青)
SCN6P EH6P
C C IC302 IC303
1
1
GND C/SW GND C/SW KIA4558P KIA4558P
2 2
SW SW
5
3 3 7
MUTE MUTE
4
4
PROTE PROTE
6
5 5
RLY-SP RLY-SP
6 6
CN304
EH2P
-12V
1
+12V
2
IC302
KIA4558P
CN303
3
VH5P 1
GND
1
GND
2
2
-B
3
GND
4
+B
5
POWER (1)
C/SW
CN402 CN101 (WHITE/白) IC102
SCN6P EH6P KIA4558P
FL FL 3
1 1
1
GND FL/FR GND FL/FR
2 2
FR FR 2
3 3
MUTE MUTE
4 4
PROTE PROTE
5 5
RLY-SP RLY-SP
6 6
CN104
EH4P
PROTE
IC102
1
MUTE
KIA4558P
2
-12V
6
3
+12V 7
4
5
CN103
-B
VH3P 1
CN406
GND
AMP (1)
SDN5P 2
+B
SL-OUT 3
1
FL/FR
SR-OUT
2
FL-OUT
3
FR-OUT
4
CT-OUT
5
CN403 CN201 (RED/紅) IC202
SCN6P EH6P KIA4558P
SL SL
3
1 1 1
GND SL/SR GND SL/SR
2 2
SR
SR 2
3 3
MUTE MUTE
4 4
PROTE PROTE
5 5
RLY-SP
RLY-SP
6 6
CN204
EH3P
IC202
PLY-SP
1 KIA4558P
-12V
2
6
+12V
7
3
5
CN203
VH3P
-B
1
GND
AMP (2)
2
+B
3
SL/SR
E F
Over
IC303 IC301 Current
KIA4558P STK403-090 Detect
5
7 3
1 14 6
Q303
6
2
15 7
A-YST
IC304
LIMITER Q305
Q306,307
Q308,309
RLY Tr
Q313
Over
IC301 Current
STK403-090 Detect
11 4
Q301
12 5
Over
IC101 Current
STK403-090 Detect
11 4
Q101
12 5
RLY Tr
Q108
Over
IC101 Current
STK403-090 Detect
14 6
Q102
15 7
Over
IC201 Current
STK403-090 Detect
11 4
Q201
12 5
RLY Tr
Q208
Over
TEMP Tr Thermister
TH201 IC201 Current
Q209,210
STK403-090 Detect
14 6
Q202
15 7
G
Q304
CN305
RY301 SDN2P
DRIVER
1
WOOFER
2
DC Detect
Q311,312
Q302
Q310
CN302
RY301 SDN2P (BLUE/青)
1
2
Q105
Q103
CN102
RY101 VH2P (WHITE/白)
1
2
DC Detect
Q107,106
Q104
RY101
Q205
Q203
CN202
RY201 VH2P (RED/紅)
1
2
DC Detect
Q207,206
Q204
RY201
H