SLV-SE35/SE50/SE60/SE70/SE80/SX60/SX70/SX80
POWER BLOCK SRV878EK (SWITCHING REGURATOR) SCHEMATIC DIAGRAM
— Ref. No. SRV878 Board:9,000 Series —
4-27
4-28
SWITCHING REGURATOR
POWER BLOCK SRV878EK
K
1
2
3
4
5
A
B
C
D
E
F
I
G
H
J
6
16
L
7
11
10
9
7
6
5
4
3
2
1
CN201
GND
AN GND
- F (0 V)
+ F (5.4 V)
POWER CONT 2
POWER CONT 1
D 6 V
POWER SAVE CONT1
- 14 V
K
SW 12V
GND
MTR 12V
MTR 12V
13V
13V
UN 30V
SW 5V
SW 5V
AN GND
+
L103
C102
0.1/250V
C101
0.1/250V
C104
1000p
/250V
C103
1000p
/250V
C108
1000p
/250V
C109
1000p
/250V
C105
1000p
/250V
L102
Z101
750V
R101
1M 1/2
F101
250V T2A
AC IN
CN101
R156
0.33/1W
C151
47 / 400
D151 AK04
CN151
SWITCHING REG.
AN8028
R162 2.2K
R163 10K
C161
1500p
C162 3300p
C163 3300p
R164 330
R165 330
D154 AK04
C153
47/50
1
2
3
4
5
6
7
8
9
C154
1/50
C164
0.033
R166
1K
IC151
R154
100K 2W
C165
3300p
C152
0.01 / 400
D152
EG01C
Q151
FS2KM
R157 82
D153
1SS119
D155
AU02Z
D159
R170
220
MTZJ22B
R167
1.8K
PC151
PS2561
(1/2)
D251
AU02Z
R251
10
D252
S3L20U
L201
10uH
R201
1K
PQ12RD08
REG.
IC201
C201
220
16V
C252
680
/ 16
Q201
2SB733
Q201,204
REG
C209
0.01
C203
220 / 16
C204
100 / 16
R203
180 / 2
R205
2.2K
R206
1.5K
Q204
2SC1740
C206
47 / 35
C207
22 / 50
C205
22 / 50
D253
D3S4M
C253
1200
/ 10
R261 1K
PC151
PS2561
(2/2)
IC251
SHUNT REG.
AN1431T
D254
AU02Z
R266
CN251(1/2)
3.3K
C261
0.22
VR251
5K
R263
18K
R264
15K
C202 470 / 10
R207
220
D203
RD5.1ES
D204
1SS119
D205
1SS119
R208
220
R209
220
Q205
2SD2394
PS201 1.6A
PS202 2A
L202
10uH
R210 1K
C208 470 / 10
C254
470/16
PS251
750mA
CN251
(2/2)
R252
0.47
L205 1uH
Q206
2SC2785
GND
N
L
P1
P2
S4
T151
POWER
TRANSFORMER
S3
S2B
B1
B2
S1
S5
S2A
S
TO/FROM
MA-339
BOARD
CN600
!
!
!
!
!
!
!
!
R169 18K
R158 22
R151
150K
R152
150K
R153
150K
L101
D101-104
1N4005
D101
D102
D103
D104
D156
1N4005
R161 22K
D158
MA4270
R168
10K
L151
C251
47 / 50
R265
10K
R220
4.7K
R219
4.7K
R222
220
SUB BOARD
MAIN BOARD
POWER BLOCK
(SRV878EK)
8
12
13
14
15
16
17
18
19
Q207
2SD773
Q205,206
+5V REG
Q207,210,211
POWER SAVE
CONTROL
Q210
UN4111
Q211
UN4211
R216
4.7K
C212
0.01
R217
10
1W
R218
33 3W
L206
GND
!
!
!
!
!
!
!
!
!
!
!
!
(SEE PAGE
4-19)
C
11
12
6
8
7
9
10
13
4
5
1
2
3
+
+
+
+
+
+
+
1
2
3
4
+
+
+
+
+
+
+
Note :
The components identified by
mark
!
or dotted line with mark
!
are critical for safety.
Replace only with part number
specified.
Note :
Les composants identifiés par
une marque
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
Summary of Contents for RMT-V256A
Page 83: ......