Table of Contents
Advertisement
POWER BLOCK SR826 (SWITCHING REGULATOR) SCHEMATIC DIAGRAM
— Ref. No. SR826 Board; 9,000 Series —
A
B
C
POWER BLOCK
1
(SR826)
SUB BOARD
MAIN BOARD
1, 2
D101-104
1N4005
D101
2
C151
+
D103
47 / 400
D104
L103
*R156
D102
/1W
4, 5
C108
D156
C102
1000p
!
!
3
1N4005
0.1/250
/250V
R162 2.2K
C109
!
C104
C103
C161
1000p
!
1000p
1000p
1500p
!
/250V
R163 10K
/250
/250
L102
C105
!
1000p
/250V
*R164
4
C101
!
0.1/250
*R165
L101
Z101 750V
R101
5
2.7M 1/2
F101
!
250V T2A
C164
0.033
N
L
AC IN
!
CN101
GND
6
220-240VAC
50/60Hz
Note:
The components indentified by mark
line with mark
!
7
16
Replace onl y with part number specified.
D
E
!
T151
POWER
TRANSFORMER
R154
C152
100K 2
0.01 / 400
P1
R151
150K
R152
L151
150K
D152
C165
R153
R168
EG01C
3300p
150K
10K
S
P2
Q151
IC151
!
FS2KM
AN8028
D158
D151 AK04
MA4270
1
2
C162 3300p
3
C163 3300p
4
5
D154 AK04
6
D155
AU02Z
B1
7
C153
47
8
C154
1
*R167
9
B2
R166
1K
!
PC151
PS2561
Ref.No.
min
*R156
0.27
or dotted
!
*R164
*R165
330
are critical for safety.
*R167
1.5K
4-41
F
G
H
D251
R251
AU02Z
10
S4
6
+
C251
47 / 50
R201
L201
D252
1K
10uH
S3L20U
7, 8
S3
IC201
+
+
+
REG.
C252
C201
PQ12RD08
C205
1000
220
22 / 50
/ 16
16
9, 10
PS201 1.6A
!
L202
20uH
D256
VR251
S2B
PS202 2A
*R261
MA2560
5K
11, 12
PC151
S2A
!
PS2561
D253
D3S4M
C261
R263
+
0.22
RD5.1ES
18K
+
C253
K
IC251
*R265
1SS119
2200
/ 10
A
1SS119
SHUNT REG.
S1
AN1431T
9, 10
+
R264
D254
C254
15K
AU02Z
*R252
47 / 50
13
S5
R253
!
PS251
0.47
S7
15
+
C255
C256
470 / 10
0.1
S6
14
*R254
D255
AU02Z
!
C210
0.047
typ
max
Ref.No.
min
typ
max
0.33
0.39
*R252
4.7
10
10
270
330
330
*R254
2.2
2.7
3.3
470
560
*R265
1K
10K
22K
2.2K
1.8K
SLV-E830B/E830NP/E830VC1/E830VC2
K
I
J
+
C209
Q201
47 / 50
2SB733
+
C203
C204
220 / 16
100 / 16
+
R203
R205
Q204
180 / 2
2.2K
2SC1740
R219
4.7K
+
R206
1.5K
R220
C206
4.7K
47 / 35
Q205
2SD2394
!
R222
R207
R208
220
220
220
D203
+
D204
L206
+
C207
GND
D205
22 / 50
C212
L205 1uH
0.01
Q207
L203 1uH
2SD774
R213
L204 1uH
47K
R216
10K
Q210
UN4111
R214
Q208
47K
2SD774
Q209
UN4111
R215
8.2K
Q211
C211
UN4211
0.047
4-42E
L
CN201
1
GND
SW 5V
2
SW 5V
3
4
38V
5
13V
E
6
13V
7
MTR 12V
MTR 12V
8
9
GND
TO/FROM
MA-316
10
GND
BOARD
11
POWER CONT 1
CN600
12
SW 12V
(SEE PAGE
POWER CONT 2
13
4-16)
14
D 6 V
15
GND
16
+ F (6.0 V)
17
POWER SAVE CONT
18
- 30 V
19
- F (0 V)
SWITCHING REGULATOR
SR826
Advertisement
Table of Contents
