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M1158.PCB_DATABASE_HISTORY
MODEL(S):-
NX550P
#
DATE
VER#
DESCRIPTION OF CHANGE
1
JUN/25/2003 1.00P1 DERIVED FROM M1159A
2
PC#6620 FLIP POARITY OF CD/LINE AND MIC INPUTS
3
V
REDO LEVEL CONTROL CIRCUIT ADD R223-224-225
4
OCT/03/2003
1.00
PC# R109 100K->10K, R223 2K2->3K R224 15K->3K,
5
.
.
DEL R112. PC#6630 R101 681R->1K0, C61 47N->
6
.
.
->100N C78 330N->220N C79 220N->330N C80 220N->330N
7
11-FEB-2004 2.00
Increased spacing on PS to 6mm to comply w/ IEC tests
8
D
V
N
9
D
V
N
10
D
V
N
11
D
V
N
12
D
V
N
13
D
V
N
M1158
NX550P
MODEL(S):-
T126
REF
FUNCTION
PART#
KNOB
{NEW}
T0220
P1
MAIN GAIN
4537
K
JUNE 5th 2001
P2
MIC GAIN
4566
K
JUNE 5th 2001
P3
BASS TONE
4546
K
JUNE 5th 2001
E C B
P4
LINE GAIN
4566
K
JUNE 5th 2001
B C E
126
P5
HORN TONE
4537
K
JUNE 5th 2001
R
F
P
K
N
R
F
P
K
N
R
F
P
K
N
R
F
P
K
N
R
F
P
K
N
R
F
P
K
N
R
F
P
K
N
PRODUCTION NOTES
"STYLE_P25"
1. NOTE THAT THERE ARE SEVERAL LINES ON THE DSBOTMASK LAYER.
THESE MAY BE USED FOR MARCONI TEST POINTS SO HAVE THIS LAYER
ON IF DOING ANY MODIFICATIONS.
2.-NOTE THAT HORN WIRES FOR NX520P AND EF500P ARE OPPOSITE IN COLOR
W.R.T. PCB INSERTION. CHECK PROPER LAYOUT FOR CORRECT COLORS
3. SLIDE EMI FILTER OVER RIBBON BEFORE INSERTING INTO P.C.B.
**************IMPORTANT******************
4. ADD AMPLE RTV UNDER ENTIRE BASE OF OUTPUT COIL L1
5. LEADS FOR 5 WATT RESISTORS MUST BE BENT ON THE MACHINE
LEAD LOOP MUST NOT BE ABOVE TOP OF RESISTOR
5 WATT
C137
100N
100N
C139
-
C70
NC
C2
C1
NO
+
332R0
R194
C125
R146
R204
10K
47K
.005"
10K
ETCH
470K
.008"
6K8
R144
R132
C84
GUIDE
.012"
.020"
NE5532N
C93
47K
NE5532N
R141
4M7
47P
R165
R125
D38
C85
33K
1N4148
220R
1M
15K
R147
R158
3K3
R135
1M
R162
R142
1M
R161
R155
Q23
15K
TO92
R150
BC560C
220R
LM13600N
R151
D44
R152
1N4148
D62
47K
R115
R222
C75
1M
R118
470R
R123
27K
U20
R124
NE5532N
NE5532N
1N4148
D37
10K
R117
C81
BAT85
D39
10U
BAT85
16V
BAT85
D32
C87
D40
R140
2U2
C77
C88
22U
681R
681R
63V
50V
R85
R99
NE5532N
NE5532N
BC550C
C61
C123
R157
100N
2K49
R84
R90
68N
C59
100N
274R
MPSA06
C B E
U3
74HC74
D14
U1
U4
D18
LM311
LM311
4V7
C17
D12
C16
R63
1K4
C27
C43
C52
U10
R70
1K4
74HC14N
U9
74HC14N
R74
1K4
R65
R166
47K
BEC
C38
40
LOC
.005"
ETCH
.008"
GUIDE
.012"
.020"
CLINCH
SEE NOTE 5
ORIGIN
C126
R191
R190
R206
R197
10K0
1K0
C129
C94
R168
47K
33P
220R
220R
33U
10K0
1K0
.
16V
22U
75R
R207
J5
50V
C108
R201
1N
RING-SW
RING
SLEEVE
NE5532N
1K
TIP-SW
R199
R200
TIP
C121
C133
R215
10K
10K0
D.N.S.
100N
R196
100N
10K
10K0
R209
4K7
R198
R188
D.N.S.
J6
R186
RING-SW
D.N.S.
C117
R167
R183
RING
R172
R170
SLEEVE
1K
22U
R177
4K7
NE5532N
50V
1K2
C98
TIP-SW
R211
TIP
R208
22U
R202
R184
NE5532N
1K
50V
2K49
1K4
68N
100N
R180
R176
2K49
220N
2K
R145
1K07
30K
R179
C97
C99
475R0
2K49
R185
16V
R169
1K
6K8
33U
R136
R127
R134
16V
2K49
33U
324R0
2K2
U24
R178
75R
C86
C132
100N
J3
NE5532N
NE5532N
RING-SW
C120
100N
RING
SLEEVE
1N4148
150K
C83
2K7
U23
R126
D42
R148
56K
TIP-SW
C135
C66
R91
TIP
470P
C89
D30
C72
820R
10N
3K
220N
1N4148
1M
U18
C60
R88
R223
R108
NE5532N
NE5532N
NE5532N
C131
1N4148
U17
1N4148
D25
R89
562R0
1K87
R111
D26
R87
1K
39N
47N
D27
1K
1N4148
2K49
R106
J7
R104
1K
R97
L2
L3
L4
1N4148
D35
1N4148
GREEN
U14
39N
D31
C69
Q21
C74
C68
MPSA13
W1
4004
U2
C26
FROM INPUT PCB
MC33078P
R10
Q4
1N4148
C36
U6
C3
C58
C37
C21
63V
4U7
LM311
MC33079P
R5
C49
C47
C54 U11
C57
C56
Q13
C29
D24
C55
MC78L05ACP
C48
U5
1N4148
100N
C142
74HC86N
4V7
D23
Q19
Q20
1K
R31
470N
C143
18AWG
NEG_OUTPUT
C106
L5
C102
TRANSFORMER BLK
VER-2.00
R
V T
V T
R
W20
4N7
BLACK
V T
R
V T
R
AC WHITE
C112
W21
WHITE
AC BLACK
V T
V T
R
R
W9
10K0
BLACK
10K0
TRANSFORMER BLK
C107
W10
C111
BLACK
249R
GROUND
1N
W26
249R
PTC
GREEN
V T
R
562R
50V
50V
FROM AC GROUND
2200U
18AWG
562R
2200U
BLACK
-24v
+24v
W14
R174
C116
W25
W19
W11
CENTERTAP
RED
BLUE
SILENT
18AWG
18AWG
YELLOW
18AWG
PSGND
ORANGE
PSGND
FROM INPUT PCB
2200U
C104
V T
W8
R
50V
W15
V T
+54V
R
GREEN
GREEN
W27
-54V
18AWG
18AWG
C113
W22
V T
R
BROWN
18AWG
2700U
C65
-150V
180V
W24
WHITE
V T
R
18AWG
V T
V T
R
R
+150V
W7
YELLOW
180V
R
2700U
18AWG
16AWG
W16
INPUTGND
R22
C12
R26
MJE340
D11
2K21
12V0
1U
2U2
C13
Function
63V
63V
63V
1.0W
10U
C92
C7
C11
0R47
63V
R18
10U
Q11
D6
D21
3
MR854
Q9
Q6
Q8
12R
16V0
1.0W
C8
Q5
C6
R16
C9
0R47
4
3K9
12V0
2K2
12R
D7
4U7
63V
0R47
22K
R1
C1
680P
100N
1.0W
Q3
W2
C5
0R47
C4
1.0W
2.0W
2K2
2K21
R4
R3
C2
D1
12V0
FROM POWER SUPPLY
D2
16V0
R58
1K5
0R047
R33
0R047
5.0W
D3
MR854
5.0W
C110
1K5
C20
C51
R60
U8
C33
V T
R
IR2110
C42
C34
C24
100N
100N
C25
C35
R41
1M
V T
18AWG
1M
R
POS_OUTPUT
R57
D16
18V0
6
UF4004
D17
UF4004
6R2
RED
R53
C31
C23
C30
100N
3U3
140V
V T
V T
V T
V T
R
140V
R
R
3U3
R
100N
5
C19
BLACK
C22
M1158-PCB-MECH VER2.00
.005"
ETCH
.008"
GUIDE
.012"
M1158
.020"
NX550P
D52
1N5402
V T
R
T7.0
R98
250V
W13
C40
1N5402
100N
1N5402
RED
C109
D56
T7.0
R61
100N
W17
C105
1N5402
R
V T
D49
1N4004
RED
1N5402
W18
V T
R
1N5402
GREY
1N5402
V T
R
1N5402
W12
50V
GREY
2200U
1N4004
D50
C115
MR752
PURPLE
D48
BAR DOWN
MR752
W6
D53
PURPLE
W23
D59
V T
MR752
BAR DOWN
MR752
C100
D61
Q1
D10
R23
Q10
D9
BLACK
R6
Q2
YELLOW
R2
4U7
63V
63V
RED
4U7
C53
Q14
BLACK
Q15
ROUTE
GAGE
0.01"/HOLE
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