A
B
C
E
F
G
H
1
2
3
4
5
6
DVR-S150/NX-P150
67
■
DVR-S150 PRINTED CIRCUIT BOARD (Foil side)
DVR-S150
Except J
3
CH1
3
CH2
SUB (1) P.C.B.
(Side B) Lead Free Solder Used
SUB (2) P.C.B.
(Side B) Lead Free Solder Used
Point 3
CH1: Emitter of Q272
CH2: Collector of Q271
V: 5V/div, H: 4.0sec/div
DC, 1 : 1 probe
CH1
AC POWER ON
(Connect the power cable)
AC POWER OFF
(Disconnect the power cable)
CH2
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299