SEE LAYOUT DIAGRAM
POTENTIOMETERS AND KNOBS
LEADS & PINS REFERENCE
B
C
TO-126
E
MJE340 (YS#6873)
J111 (YS#5119)
G
S
D
TO-92
E
B
C
TO-92
BC560C (YS#5102)
BC550C (YS#5101)
IR2110 (YS#6887)
DIP14
DIP14
74HC86N (YS#6605)
MC7815CT (YS#6872)
TO-220
I
O
G
MC7915CT (YS#6871)
TO-220
I
G
O
OPTO
NSL-32SR2 (YS#6858)
74HC14N (YS#6603)
DIP14
DIP14
MC33079P (YS#6804)
LM311 (YS#6640)
DIP8
"STYLE_P32"
E B C
TO-92
2N5551 (YS#5107)
MPSA13 (YS#5105)
2N5401 (YS#5108)
MPSA06 (YS#5103)
MPSA92 (YS#5114)
DIP14
74HC74N (YS#6964)
BDX53C (YS#6912)
TO-220
BDX54C (YS#6911)
C
B
E
G
S
D
IRFP140N (YS#6931)
IRFP9140N (YS#6932)
IRFP23N50L (YS#6967)
TO-247
DIP8
MC33078P (YS#6840)
NE5532N (YS#6884)
FUNCTION
REF
MODEL(S):-
PART#
KNOB
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
P2
#4432
MIC GAIN
P3
P4
P5
#4435
GREEN
BASS CONTROL
CD/LINE GAIN
#4432
TREBLE CONTROL
GREEN
#4434
#9915
RED
RED
#9915
GREY
#9916
#9917
#9917
NX750P
M1231 - POTS LIST
COLOR
12
9
6
3
#
13
11
10
5
4
8
7
2
1
DATE
MODEL(S):-
VER#
DESCRIPTION OF CHANGE
.
.
.
.
V
D
PC#7398, ADD CROWBAR CIRCUIT AND CHANGE FUSE
AT THE SAME TIME SEE PRODUCTION NOTE
NX750P
M1231.PCB_DATABASE_HISTORY
D34 AND D43 1N4148 #6825 TO BAT 85 #6733
.
.
.
.
.
.
R177 4K7 #4982 TO 15K #4979
ONLY M1231A CE VER. R157 10K #4940 TO 3K3 #4938
22-AUG-2007 V3.02
PC#7261, N.A. VERSION CHANGE R152 150K #4839 TO
56K #4835, R89 1K #4981 TO 56K #5018, C23 22U #5631TO
10U #5281 C19 1U #5254 TO 4U7 #5258
.
.
.
.
01-FEB-2008
V3.03
.
.
BA WILL PUT 33K,470R,100N AND 10U AS SHOWN
PC#7453, ONLY FOR NA. REMOVE C19 AND R89 FROM AI.
11-MAY-2009
V4.00
PC#7356, 7701, AND 7757 - PAD UPDATE, XLR MTG HOLE
ADDED. X1 REF REMOVED IN LAYOUT
02-NOV-2010
V5.00
ADDED MOLEX CONNECTORS FOR TRANSFORMER.
DESCRIPTION OF CHANGE
MODEL(S):-
2
8
5
11
VER#
DATE
1
4
3
7
6
10
9
13
12
#
PC#7052:GT:Q14&Q15 6914 IRFP350->6967 IRFP23N50LPBF
PC#6772: REV. WIRE COLORS ON WOOFER & HORN (GT)
M1231.PCB_DATABASE_HISTORY
PC#7178, Updated limiter for RoHS compliance
C102 FROM 22N #6435 TO 100N #5242
MADE FROM M1158-V.200
FIVE LEG #5862 3300U & FORCE UPDATED BOARD (M.R)
CHANGED POWER SUPPLY CAPACITORS TO NEW
PC7003:GT:R9 #4979 15K->#6104 2K2, ADD 8921 WASHER
PC#6979:GT:R6&R23 #4815 12R->#2038 11R FUSIBLE
37K4 1% 1/4W. REPLACE R78 WITH #4611
AH, PC#7136, REPLACE R77, R81 AND R82 WITH #4686
AH, PC#7205, C37 100N #5212 TO 470P #5201
PC#7167, ENLARGE HOLE SIZE FOR #3522
NX750P
NOV-26-2004
V3.00
OCT 16 2006
DEC-13-2005
AUGUST 2004 V1.00
MAY30th 2005 V2.00
OCT-31-2005
SEP-21-2005
V2.01
JUN-29-2006
V3.01
FEB 07 2007
.
.
.
.
.
.
.
.
.
.
.
.
11
8
5
2
12
9
6
13
10
7
3
4
1
02-FEB-2011
.
V05
FIXED PSU NET NAMES AS PER PAUL B. - ML
PC8185: CHANGE #3453 TO #4100 GG
01-APR-2014
15-DEC-2014
.
V09
V05
PC8624: New faceplate / Changed LEDs to hand. - ML
PC#8734:D28 and D36 added to 7815,7915 regulators O/P.
ELIMINATED THE NEED TO TACK ON PARTS.
03-NOV-2011
V06
.
.
.
.
PADS OF C95 & C96. - ML
PC8326 - MOVED Q16, C97 & C98.
PC8244 - CHANGED PADS ON 3696 RELAY - ML
PC8325 - UPDATED HOLE SIZES FOR CONN 4151 - ML
ADDED TRACE BETWEEN ADJACENT
.
.
.
.
14-NOV-2011
31-AUG-2012 V07
PC8448: #3392, #4100 new pattern, move DS to BOT GG
PC8545: Moved vias from under resistors. - ML
PC8553: Removed pattern for RoHS limiter board. - ML
V08
.
16-JUL-2013
.
Summary of Contents for NX750P-2
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