1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D
D
C
C
B
B
A
A
1
Steelpark Road
Coombs Wood
Halesowen
UK
1
NXT PSU Board
9420
4
25/02/2008
09:56:00
9420.SchDoc
Title:
Size:
Number:
Date:
Original File:
Revision:
Sheet
of
Time:
A3
www.laney.co.uk
Industrial Estate West
FP Flame proof resister
Must only be replaced with same type and rating
Indicates safety critical component
Must only be replaced with approved type
D1
1N5408
D2
1N5408
D3
1N5408
D4
1N5408
C1
4.7nF 2KV
C3
4.7nF 2KV
SG3 NTC 10 ohms, 8A
R1
1M 0.5W
R2
1M 0.5W
D6
1N5408
D5
1N5408
D8
1N5408
D7
1N5408
C4
4.7nF 2KV
C6
4.7nF 2KV
C2
470uF 400V
C5
470uF 400V
RLY1A
1P2W16A 24V
RLY1B
1P2W16A 24V
RLY2A
1P2W16A 24V
RLY2B
1P2W16A 24V
D9
1N5408
D10
1N5408
D11
1N5408
D12
1N5408
C7
4.7nF 2KV
C9
4.7nF 2KV
C10
4.7nF 2KV
C11
4.7nF 2KV
G
C8
100uF 450V
C12
100uF 450V
R3
10K 5W
G
G
R4
10K 5W
C13
22uF 450V
G
D15
1N5408
R5
4K7 5W
C14
100uF 200V
G
G
MF-R160-0-99
F4
POLYSW1.6
MF-R160-0-99
F5
POLYSW1.6
AC
AC
-V
+V
BR1
4A 200V
C15
1000uF 35V
C17
1000uF 35V
GND
IN
OUT
U1
LM7815
GND
IN
OUT
U2
LM7915
R6
22K 0.5W
R7
22K 0.5W
C16
100nF 100V
C18
100nF 100V
+15V
-15V
+320V
+310V
+300V
-100V
G
G
1
2
3
4
5
6
HD3
HD6WL
TO PREAMP PCB 9422 HD11
G
TO OUTPUT PCB 9418
-24V
-24V
+24V
+24V
D13
1N4007
D14
1N4007
HS1
TV5
HS2
TV5
+600V
1
2
3
4
5
6
7
8
9
10
SK2
TMF10MR1
TL
1
2
3
4
5
6
SK1
TMF06MS
SK3
SK5
SK7
SK8
SK6
SK4
F12 - T1A L 250V
F11 - T2A L 250V
F10 - T2A L 250V
CV1
CV2
CV3
GND
IN
OUT
U3
LM7812
R8
22K 0.5W
C19
100nF 100V
G
G
G
+12V
HS3
1
2
SK9
TMF02MR1
ALL CONNECTOR VIEWS LOOKING INTO PIN FACE unless stated
D16
7V5 1.3W
G
TO FAN/SWITCH
G
SP1
SP2
TO STANDBY SWITCH
FROM MAINS TX
R9
1M 0.5W
G
R10
1M 0.5W
G
SP3
CHS-5
SP4
CHS-5
SP5
CHS-5
SP6
CHS-5
SP8
CHS-5
SP7
CHS-5
FP
FP
FP
