Arcam DV135 Schematic
SW2A
DGND
SDDFC30400
SW1
18-000-0019
SW2B
SDDFC30400
C49
22N
100V
MKS2
5V_NFB
3V3_NFB
R7
6K8
0W25
MF
R4
4K7 0W25
MF
C15
100N
100V
MKS2
FHLDR1
20mm HLDR
FS1 T 315mA
S504
FHLDR2
20mm HLDR
FS2
T315mA
S504
CON1
3
2
1
MOLEX
44472
(NFB From PSU Outputs)
C50
22N 100V
MKS2
R10
1K0 0W25
MF
TR4
BC546B
TO-92
VN35V6
2A22B
115V 230V
1A11B
MAINS SUPPLY
FOR EXT. AUDIO
SUPPLY TX
R11
9K1
0W25
MF
TR8
BC556B
TO-92
VN35V6
R26
68R
0W25
MF
R27
2K7
0W25
MF
USED TO SECURE TRANSFORMER CABLES TO PCB NEAR CON1
6
5
4
C51
22N
100V
MKS2
C16
100N
100V
MKS2
GREY
BLACK
3
4
GREY
DK GREY
CON2
WAGO
256
NOTE TRANSFORMER TX1 IS MOUNTED ON
THE CHASSIS AND CONNECTED TO T HE PSU
PCB BY CON2,3,4. TX1 IS SHOWN ABOVE FOR
CIRCUIT OPERATION
DGND
R12
10K
0W25
MF
DZ6
BZX79C
12V
DO-35
R14
NF
R15
10K
0W25
MF
C56
4N7
100V
CER
R28
22R
0W25
MF
SKT1
BULGIN
SH1
PX0580
NF
EMC Shield
N
E
L
This board is based on the DV78 series PSU
L959AY, but with some different component
values for different VFD supply volt ages. It uses
the same blank PCB
QTY DESCRIPTIONPART No. NOTESITEM
R9
1K0 0W25
MF
PSU_CLK
ITEM1 1 Clip For SW Profile HeatsinkF006
ITEM2 1 Sil Pad For TO-220 HS InsulatorF082
ITEM3 2 Fuseholder Cover For 20mm FuseholderF022
ITEM4 1 Blank PCB DV78 PSUL959PB
ITEM6 1 Cable Tie 100MM X 2.5MMF044
ITEM5 1 Earth Lead Assy 75MM8M101 SAFETY EARTH WIRE FROM IEC IN LET SK1 TO METAL CHASSIS
ITEM7 2 Rivet CopperHP007S RIVETS TO SECURE IEC INLET TO PCB
C1 C3
NF
4
1
C2
NF
VP5V
C47
22P
100V
N150
DGND
DGND
R8
1K0
0W25
MF
TR3
BC546B
TO-92
R13
10K
0W25
MF
TR7
BC556B
TO-92
R25
100R
0W25
MF
3N3
L1
250U
VN35V6
250V
CER
C4
3N3
250V
CER
C14
100N
100V
MKS2
C48
1N0
100V
CER
3
2
DGND
1
115V
2
3
115V
4
WHITE
BLUE
2
1
BLUE
LT GREY
VN35V6 VN35V6VN35V6
82K 0W25
C17
100N
100V
MKS2
2
VFB
1
COMP
8
VREF
4
RT/CT
R29
MF
TX1
Small Toroidal Mains
L924TX
7
1
GREEN
CON3
WAGO
256
7
VCC
GND
5
FIX1
Dia 3.5mm
FIX2
Dia 3.5mm
5
6
TR5
BD179
TO-126
R17
10R
0W25
MF
CON4
WAGO
256
OUT
ISEN
VN35V6
1
GREY2GREY
6
3
1
1
C5
22N
100V
MKS2
C40
220UF
16V
YXF
IC1
UC3843AN
DIP-8
VN35V6
33R 0W25
C52
330P
100V
N750
R24
MF
R16
47K
0W25
MF
FIX3
Dia 3.5mm
FIX4
Dia 3.5mm
HS1B
SW38-2
10.2C/W
R5
4K7 0W25
MF
1
1
D1
2KBP02
DGND
M1
IRF640N
TO-220
R30
0R22
3W
SPRX
FIX5
Dia 3.5mm
FIX6
Dia 3.5mm
C6
100N
100V
MKS2
1
1
C27
1000UF
63V
YK
L2
NF
LK1
0R0 0W 25 MF
C7
100N
100V
MKS2
TX2
Ferrite Switch Mode
L925TX
C36
1N0
100V
CER
R31
10R
0W25
MF
C28
1000UF
63V
YK
1 11
16T
2
16T
3
SCR
DGND
FD1
FD2
41T
41T
22T
14T
10T
VN35V6
4
5
6
12
9
10
7
8
TOOL1
TOOL2
TOOL3
TOOL4
C8
100N
100V
MKS2
R20
470R
0W25
MF
1N0 100V
DRAWING TITLE
ARCAM
A & R Cambridge Ltd.
Pembroke Avenue
Waterbeach
Cambridge CB5 9QR
R1
22K
0W25
MF
DZ1
BZX79C
2V7
DO-35
R2
C32
470pF
1kV
DE
31DQ10 DO-201AD
C34
CER
150R
0W25
MF
D6
D8
UF5406
DO-201AD
TR1
BC547B
TO-92
D2
UF4003
DO-41
R21
470R
0W25
D3
MF
UF4003
DO-41
D4
UF4003
DO-41
C33
1N0 100V
CER
NFB (To Controller E/A)
D7
31DQ06 DO-201AD
C35
1N0 100V
CER
R18
10R 0W25
MF
DV137 SERIES PSU
Filename:
Notes:
Contact Engineer:
C37
100UF
50V
YXF
C38
100UF
50V
YXF
R23
33R 0W25
MF
5V_NFB
3V3_NFB
R19
10R 0W25
MF
C57
470UF
25V
YXF
L994_1.1.sch
C53
1000UF
16V
YXF
DZ2
BZX79C
10V
DO-35
DZ3
BZX79C
12V
DO-35
DZ4
BZX79C
5V6
DO-35
C9
100N
100V
MKS2
C24
100N
100V
MKS2
C29
22UF
63V
YK
VN21V5_F1
C30
22UF
63V
YK
VN27V
L3
33U 1.17A 8RHT2
L4
33U 1.17A 8RHT2
C10
100N
100V
MKS2
C39
220UF
16V
YXF
C18
100N
100V
MKS2
C54
1000UF
16V
YXF
C55
1000UF
16V
YXF
C25
100N
100V
MKS2
R32
NF
Contact Tel: (01223) 203270Peter Gaggs
C11
100N
100V
MKS2
C19
100N
100V
MKS2
6U8 2.1A 8RHT2
C20
100N
100V
MKS2
6U8 2.1A 8RHT2
C21
100N
100V
MKS2
33U 1.17A 8RHT2
R33
1K0
0W25
MF
ECO No.
L6
L7
R22
220R
0W25
MF
L5
INITIALS
Printed:
R3
4K7
0W25
MF
C41
470UF
25V
YK
C42
470UF
25V
YK
C44
470UF
25V
YK
C45
470UF
25V
YK
DATE
9-Jun-2006
DZ5
BZX79C
6V2
DO-35
D5
1N4148
DO-35
TR2
BC546B
TO-92
C12
100N
100V
MKS2
TR6
BD179
TO-126
DGND
DGND
C46
470UF
25V
YK
DGND
Fit C5 for improved conducted emissions09/06/06MJT06_E092
Production release02/07/03PG05_E171
DESCRIPTION OF CHANGE
VP5V
DGND
VP15V5
C13
100N
100V
MKS2
VN15V5
VN16V_F2
C43
470UF
25V
YK
VN21V5_F1
VP5V
C22
100N
100V
MKS2
VP3V3
C23
100N
100V
MKS2
11Sheet of
R6
6K8
0W25
MF
AGND
C26
100N
100V
MKS2
C31
22UF
63V
YK
VP12V
AC_PRES*
SPARE1
SPARE2
VN16V_F2
VN21V5_F1
SPARE3
SPARE4
PSU_CLK
AC_PRES*
VP15V5
VN15V5
DRAWING NO.
A2
AGND
DGND
VP5V
VP12V
VP5V
VP3V3
VN27V
VP3V3
VP3V3
VP3V3
VP3V3
VP3V3
VP3V3
VP5V
VP5V
VP5V
VP12V
LK2
NF
DGND
DGND
DGNDAGND
4
3
2
1
Amp
HD Pwr Con
NF
8
7
6
5
4
3
2
1
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
L994CT
CON5
CON6
AMP
CT
NF
CON7
MOLEX
52045
1.1
1.0
ISSUE
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