Sony SS-CN225 Service Manual - Page 3
Browse online or download pdf Service Manual for Stereo System Sony SS-CN225. Sony SS-CN225 13 pages. Micro satellite system
Also for Sony SS-CN225: Instruction Manual (2 pages), Service Manual (13 pages)
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Q Q
3 7 6 3 1 5 1 5 0
• Circuit Boards Location
SA-WMS225
POWER IC board
POWER SW board
LED board
CONTROL board
T E
L
1 3 9 4 2 2 9 6 5 1 3
w w w
.
http://www.xiaoyu163.com
MAIN board
x
a o
u 1 6 3
y
i
http://www.xiaoyu163.com
8
9
• IC Block Diagrams
– MAIN Board –
IC302 µPC1237HA
OVER LOAD DET
V
CC
ON
F/F
MUTE
OFFSET DET
LATCH/
AUTORESET
AC OFF
DET
1
2
3
4
5
6
7
– POWER IC Board –
IC401 TDA7294
BIPOLAR
TRANSCONDACTANCE
INPUT STAGE
MOS GAIN &
–
Q
Q
LEVEL SHIFTING
+
3
7
6
3
1
5
1
STAGE
STANDBY/
MUTE
BOOST-
STRAP
1 2
3
4
5
6
7
8 9
c o
.
3
3
SA-VE225/WMS225/SS-CN225/V225
2
4
2
9
8
8
THERMAL
SHUTDOWN
MOS
SHORT
OUTPUT
CIRCUIT
5
0
8
9
2
4
9
8
2
STAGE
PROTECTION
10
11
12
13
14 15
m
9
9
9
9