5 WATT
**************IMPORTANT******************
6. NUTS (8800) ON TOP AND SCREWS (8835) ON BOTTOM
NUTS HAVE TO BE RETORQUED AND LOCTITE
PRODUCTION NOTES
5. LEADS FOR 5 WATT RESISTORS MUST BE BENT ON THE MACHINE
3. C124 IS A FIXED DO NOT STUFF PART. CAN BE DELETED NEXT REVISION.
LEAD LOOP MUST NOT BE ABOVE TOP OF RESISTOR
4. ADD AMPLE RTV UNDER ENTIRE BASE OF OUTPUT COIL L1
2. MAKE SURE TO RTV ALL LARGE CAPACITORS TO SOMETHING CLOSE
1. NOTE THAT THIER IS SEVERAL LINES ON THE DSBOTMASK LAYER.
THESE MAY BE USED FOR MARCONI TEST POINTS SO HAVE THIS LAYER
ON IF DOING ANY MODIFICATIONS.
INDICATES THERE IS GROUND CONNECTION UNDER SYMBOL
BETWEEN TWO DIFFERENT NETS. DON'T REMOVE.
SEE LAYOUT DIAGRAM
G
S
D
TO-247
IRFP23N50L
IRFP9140N
D
G
S
TO-92
2N5638
J109
E
C
B
MPSA63
MPSA43
2N5551
TO-92
MPSA92
MPSA13
MPSA56
2N5401
MPSA06
"STYLE_P32"
B
E
C
TO-220
BDX53B-53C
BDX54B-54C
E
B
C
TO-126
MJE350
MJE340
MJE270
BD238
BD140
BD139
MJE271
BD237
C
E
B
TO-92
BC560C
BC550C
FUNCTION
KNOB
REF
MODEL(S):-
PART#
{NEW}
N
N
N
N
N
N
N
K
K
K
K
K
K
K
P
P
P
P
P
P
P
F
F
F
F
F
F
F
R
R
R
R
R
R
R
P1
#4434
MAIN GAIN
GREEN
POT LIST
#9915
RED
GREY
#9916
#9917
NX720S
#4436
P3
BOOST ADJ
LOW PASS ADJ
P4
R
R
F
F
P
P
K
K
N
N
#4434
12
9
6
3
#
13
11
10
5
4
8
7
2
1
DATE
MODEL(S):-
VER#
DESCRIPTION OF CHANGE
D
D
V
V
V
V
D
D
N
N
N
N
V
V
V
D
D
D
M1330.PCB_DATABASE_HISTORY
MAY 2006
1.00
M1231 HAD BEEN FULLY FORCE UPDATED ON MAY 2005
MADE FROM NX750P M1231 V2.00 IN MAY 2006
MAY 2006 FORCE UPDATED ALL COMPONENTS MODIFIED
WITH IN THE LAST YEAR USING TONY'S LIST. MR.
NX720S
2008/03/11
Updated #6421 diodes for clinch.
.
24-MAR-2010 V02
PC7301: TAB 26 attribute change from GREEN to GRN/YEL
PC7530: Add note for install heatsink on board.
PC7757: Change layout for #3453
.
.
.
.
.
.
PC7813: Replace #4434 with #4432 GG
13
10
7
4
1
12
9
6
11
5
8
3
#
2
MODEL(S):-
PC#
*PLACE IMPLEMENTED CHANGES INTO BOARD HISTORY
PENDING CHANGE
X
X
X
X
X
X
X
X
X
X
PC
PC
PC
PC
PC
PC
PC
PC
PC
PC
PC
PC
X
X
PC
X
M1330 PENDING CHANGES
NX720S
