Toshiba SD-170EKB2 Service Manual page 17

4-2
A
Power Board Electric Diagram for SD-170EKB2 & SD-170EKE2
1
F1
T2AL/250ac
10K471
CON1
AC INPUT
U1
FSDH321
2
+
C9
10uF/50V
3
* CAUTION :
THE PARTS MARKED WITH
PLEASE USE THE PARTS HAVING THE DESIGNATED PARTS NUMBER WITHOUT FAIL.
4
A
B
D3 D4
1N4007 1N4007 L1
750uH
RV1
+ +
C1 C2
D1 D2 22uF/250V 22uF/250V
TR1 1N4007 1N4007
NTC 10 FB1
2.2uH
T1
5
R1 C5 R2 R3
4
56k 1/4W 222/400V 300K/1/4W 300K/1/4W
3
D8
1N4007
D9
1N4007
2
1
R11
22
U2 R8
C10 PC123X92 2.2k
0.1uF
R10
220
1
U3
CY1 TL431
102/400Vac
ARE IMPORTANT PARTS ON THE SAFETY.
B
C
D5 C3
FR102(NU) 10uF/50V(NU)
D6
1N4148 C4
6
47uF/25V
-12V
7
+12V
9
D7
+
1N4148 C6
47uF/25V
GND
8
R12 C12
22(NU) 102/50V(NU)
L2
6.8uH
12
11
D10
+ +
R5
SR240 C7 C8
10
1000uF/16V 470uF/16V 12k 1%
R7
11.3k 1%
R9 C11
10k 0.1uF
C
4-2
D
C1
C10
C11
C12
C2
C3
C4
CON2 C5
-22V C6
8
-22V
C7
7
-12V
6 C8
GND
5
C9
+12V
4
GND CON1
3
GND
CON2
2
+5V
CY1
1
+5V
D1
+5V
D10
8X2.5 HEADER
D2
D3
D4
D5
D6
D7
D8
D9
F1
FB1
L1
L2
R1
R10
R11
R12
R2
R3
R5
R7
R8
R9
RV1
T1
TR1
U1
U2
U3
U4
D
E
1
A 1
A 2
A 2
A 1
A 1
1
B
B 1
A 1
B 1
A 1
B 1
A 2
A 1
B 1
A 2 2
A 1
A 1
A 1
A 1
A 1
A 1
A 1
A 1
1
A
A 1
A 1
A 1
A 1
A 1
A 1
A 2
A 1
A 1
A 1
A 1
B 1
B 1
A 2
3
A 2
A 1
A 1
1
A
A 1
A 2
A 2
A 2
4
E