Power Supply - YORKVILLE NX750P Service Manual
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Also See for NX750P:
- Service manual (21 pages) ,
- Brochure (1 page) ,
- Owner's manual (19 pages)
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M1231.PCB_DATABASE_HISTORY
MODEL(S):-
NX750P
#
DATE
VER#
DESCRIPTION OF CHANGE
1
AUGUST 2004V1.00 MADE FROM M1158-V.200
2
NOV-26-2004
.
PC#6772: REV. WIRE COLORS ON WOOFER & HORN (GT)
3
MAY30th 2005
V2.00
CHANGED POWER SUPPLY CAPACITORS TO NEW
4
.
.
FIVE LEG #5862 3300U & FORCE UPDATED BOARD (M.R)
5
.
.
C102 FROM 22N #6435 TO 100N #5242
6
SEP-21-2005
.
PC#6979:GT:R6&R23 #4815 12R->#2038 11R FUSIBLE
7
OCT-31-2005
.
PC7003:GT:R9 #4979 15K->#6104 2K2, ADD 8921 WASHER
8
DEC-13-2005
.
PC#7052:GT:Q14&Q15 6914 IRFP350->6967 IRFP23N50LPBF
9
AUG-16-2006
V2.01
AH, PC#7136, REPLACE R77, R81 AND R82 WITH #4686
10
.
.
37K4 1% 1/4W. REPLACE R78 WITH #4611
11
OCT 16 2006 V3.00 PC#7178, Updated limiter for RoHS compliance
12
.
.
PC#7167, ENLARGE HOLE SIZE FOR #3522
13
FEB 07 2007
V3.01
AH, PC#7205, C37 100N #5212 TO 470P #5201
POWER SUPPLY
FUSE
IEC_RECT
N.A.: #2465 F 7A
CE: #2482 F3.15A
FUSE
DPDT Switch
3392
AC BLK
F1
Thermal Breaker
BLK
W9
FAST BLOW
3395
S4
100N
680N
C102
C106
250V
250V
6492
L5
{AWG}
Green
W7
1300UH
4N7
R187
C112
1K8
100N
.
250V
C40
100V
PSGND
W21
WHT
CHASSIS GROUND
{AWG}
AC WHT
3392
{Color}
MADE THROUGH
1/4" INPUT JACKS
W8
GRN
W16
INPUT GND
PSGND
IGND
M1231.PCB_DATABASE_HISTORY
MODEL(S):-
NX750P
#
DATE
VER#
DESCRIPTION OF CHANGE
1
.
.
R177 4K7 #4982 TO 15K #4979
2
.
.
ONLY M1231A CE VER. R157 10K #4940 TO 3K3 #4938
3
.
.
D34 AND D43 1N4148 #6825 TO BAT 85 #6733
4
22-AUG-2007
V3.02
PC#7261, N.A. VERSION CHANGE R152 150K #4839 TO
5
.
.
56K #4835, R89 1K #4981 TO 56K #5018, C23 22U #5631TO
6
.
.
10U #5281 C19 1U #5254 TO 4U7 #5258
7
01-FEB-2008
V3.03
PC#7453, ONLY FOR NA. REMOVE C19 AND R89 FROM AI.
8
.
.
BA WILL PUT 33K,470R,100N AND 10U AS SHOWN
9
.
.
PC#7398, ADD CROWBAR CIRCUIT AND CHANGE FUSE
10
.
.
AT THE SAME TIME SEE PRODUCTION NOTE
11
11-MAY-2009
V4.00
PC#7356, 7701, AND 7757 - PAD UPDATE, XLR MTG HOLE
12
D
V
ADDED. X1 REF REMOVED IN LAYOUT
13
02-NOV-2010 V5.00 ADDED MOLEX CONNECTORS FOR TRANSFORMER.
6
6 W34:F
CH1337U
5
6 W34:E
4
6 W34:D
3
6 W34:C
6
5
2
6 W34:B
4
3
1
2
6 W34:A
3
2
1
1
6
6 W32:F
5
6 W32:E
4
6 W32:D
3
2 3
6 W32:C
1
2
6 W32:B
1
6 W32:A
WITHOUT CROWBAR
N.A.
FUSE F1
#2465
F 7A
1
V05
ELIMINATED THE NEED TO TACK ON PARTS.
2
02-FEB-2011 V05
PC8185: CHANGE #3453 TO #4100
3
03-NOV-2011 V06
PC8244 - CHANGED PADS ON 3696 RELAY - ML
4
.
.
PC8326 - MOVED Q16, C97 & C98.
5
.
.
ADDED TRACE BETWEEN ADJACENT
6
.
.
PADS OF C95 & C96. - ML
7
.
.
PC8325 - UPDATED HOLE SIZES FOR CONN 4151 - ML
8
14-NOV-2011 .
FIXED PSU NET NAMES AS PER PAUL B. - ML
9
31-AUG-2012
V07
PC8448: #3392, #4100 new pattern, move DS to BOT
10
D
V
N
11
D
V
N
12
D
V
N
13
D
V
N
D49
D50
4007
4007
D52
2487
R98
1N5402
T7.0
2200U
D55
C105
W31:A
3
1
50V
1N5402
W31:B
3
2
W31:C
3
3
D56
2200U
2487
R61
1N5402
50V
W33:A
4
1
T7.0
D58
4
W33:B
4
2
1N5402
W33:C
4
3
W33:D
4
4
WITH CROWBAR
CE
N.A.
CE
#2482
#2465
#2479
F3.15A
F 7A
F 5A
GG
MODEL(S):-
REF
P1
P2
P3
GG
P4
P5
R
R
R
R
R
R
R
TO POWER AMP PCB
SILENT
D51
U30
1N5402
+22V
+15V
MC7815CT
IN
.
OUT
GND
6872
{Watts}
D54
4U7
100V
TO220
C103
C109
1N5402
63V
100N
4U7
100V
D57
C110
C116
C111
PSGND
TO220
63V
100N
1N5402
6871
{Watts}
GND
.
IN
OUT
MC7915CT
-22V
-15V
U31
D60
1N5402
Product
NX750P
Date:
Tue Sep 04, 2012
Filename:
POT LIST
NX750P
FUNCTION
PART#
KNOB
{NEW}
MAIN GAIN
#4434
GREY
#9916
MIC GAIN
#4432
RED
#9915
BASS CONTROL
#4435
GREEN
#9917
CD/LINE GAIN
#4432
RED
#9915
TREBLE CONTROL
#4434
GREEN
#9917
F
P
K
N
F
P
K
N
F
P
K
N
F
P
K
N
F
P
K
N
F
P
K
N
F
P
K
N
+145V
D48
8 W12:G
BRN
MR752
7
+56V
D53
MR752
2200U
C104
63V
BLK
W12:H
8
8
PSGND
2200U
C115
63V
D59
MR752
-56V
RED
6
D61
8 W12:F
-145V
MR752
NX750P
PCB#
M1231
Sheet
3
of
3
Rev:
V07
M1231V07sch.sch2006
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