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

A
I NX-SW301 BLOCK DIAGRAM (2/2)
1
2
3
4
5
Downloaded From DvDPlayer-Manual.com Yamaha Manuals
6
B C
POWER (2)
POWER
PRTTECTION Tr
(Q801,Q802,Q803)
CN405
VH7P
1
6
7
+5
R821
2K
5
6
R822
4.7K
+5
R823
10K
3
2
R824
10K
D E
CN806 CN805
SDN5P SDN6P
+B
5 3,6
GND
1,2,4 2,5
-B
CN801
3 1,4
SCN4P CN802
SCN3P CN803
1
SCN2P
2 1
+12V
3 2 1
4 3 2
-12V
8200/50
C807
3 1
IC801
+
2
KIA7812
+
3 2
IC802
C808
1
KIA7912
8200/50
SP RLY_on Tr
(Q805,Q806)
RY801
SDT-S-112LMR
IC804 Q807 D804
KTC3198 1SR139-400
KLA78L05
7
1 3
+5 IC803
+
2 C813
470/25V
D805
1SR139-400
Q809,810
C814
BP
4.7/50V
IC804
Q808
1
KTA1266
F
RBV-602
D802 T801
3 1
4
5 2
F801
C, V, J models ... 8A250V
K, A, B, G, L models ... T2.5A
1 1
W1B W2B
W1A W2A
1 1
(Blue) (White)
SCN3P SCN3P
T802
3 3
2 2
1
1
CN808 CN810 TE801 TE802
1 1
POWER (4)
SUB TRANSFORMER
AC IN
G H
DVR-S300/
NX-P301/NX-P302
27