Toshiba BDX2500KU, Service Manual

Page: 6 / 52

CIRCUIT DIAGRAMS
Power Supply Circuit Diagram
3-1
!
C
9
222/630
V
CY 1
FU
1
T
1
A
/250
V
THR
1
SCK
-054
CX
1
0.22
u
/275
VAC
D
8
RL
207
+
C
15
1000
UF
/10
V
+
C
12
1500
UF
/10
V
L
1
DR
8*10,10
U
RX
4
205
RX
2
205
R
28
10
K
R
25
1
K
C
5
105
R
27
510
R
R
1
360
k
U2A
EL817
5.8
V
RX
3
205
RX
1
205
R
31
2.4
K
1%
STB
+
C
7
10
UF
/50
V
C
2
101
C
3
103
Q
4
5
A
600
V
R
15
22R
R
13
1003
R
7
1
R
0
R
11
33
R
C
1
104
R
9
270
R
U2B
EL817
R
8
1
R
0
R
6
1
R
0
R
T
3
F
B
2
CS
4
G
N
D
1
VCC
5
O
U
T
6
R
10
10
K
3
4
T
1'
B
EEL22001W
1
2
8
10
T
1
A
EEL
22001
W
CY
3
2200
PF
/250
VAC
R
17
274
R
18
274
R
20
274
R
14
51
R
D
19
1
N
4007
D
17
1
N
4007
D
20
1
N
4007
D
21
1
N
4007
U4
AZ431
R
33
3.3
K
1%
5.8
V
+
C
8
47
UF
/200
V
LF
1
UU
9.8001
L
R
12
51
R
D
9
FR
104
T
1
B
EEL
22001
W
D
12
HER
203
+
C
16
220
UF
/25
V
+
C
13
220
UF
/25
V
L
2
BEAD
R
23
10
K
5
V
12
V
6
V
12
V
STB
R
46
3
k
R
48
15
K
1%
R19
1
K
12
V
12
VOUT
C
6
102
+
C
10
47UF/50V
D
1
BAV
70
R
5
0
R
D
13,
D
16
1
N
5822
R
37
NC
R
44
15
K
Q
3
MMBT4401
+5
V
Q
1
STM
4435
D14
1N5408
+6
V
R
21
510
R
T
1''
B
EEL
22001
W
+
C
1
4
1
0
0
U
F
/
3
5
V
D
11
HER
107
-26
VA
T
1 '''
B
EEL
22001
W
+
C
1
1
3
3
0
U
F
/
1
0
V
D
10
1
N
5819
F
1+
F
-
1
2
3
4
5
6
7
8
9
10
11
12
CN
2
2.54
MM
-26
V
F
+
F
-
U5A
EL817
R
29
3
K
ZD
2
27
V
D
3
BAV
70
R
49
1
K
Q
2
MMBT
4401
-26
V
5
V
R
52
510
R
/2
W
R
2
360
k
D
15
BAV
70
R
53
51
R
R
34
1
K
R
35
510
R
C
19
105
D
18
BAV
70
R
22
10
K
Q8
L
N
ZD
1
2.7
V
Q
5
2
SA
684
R
43
1
K
U5B
EL817
F
-
F
1+
F
+
-26
V
R
50
10
K
R
26 1.2
K
R
41
3
R
9
R
3
3
R
9
R
37
NC
R
30
NC
R
45
10
K
6
7
8
10
12
9
12
C
17
100
P
/1
KV
STM4435
Means: For security reasons, a particular component can only be replaced by some components specified in the document.
U1
R7731AGE
2200PF/250VAC