Design Information And History
Section:
Product(s):
History.SchDoc
M1557
5
5
Sheet
Of
PCB#:
Rev#:
Modified:
V03
File:
2022-11-03
NX55P-2
T. Wood
Eng:
CHANGE HISTORY
POTENTIOMETERS AND KNOBS
LEADS AND PINS REFERENCE
DESIGN HISTORY AND INFORMATION
THIS SHEET CONTAINS A CHANGE HISTORY LOG, A LIST OF THE POTS & KNOBS AND A LEADS & PINS REFERENCE SECTION.
"STYLE_P32"
4
2
B
5
7
3
1
6
8
-V
+V
A
NE5532N (YS#6884)
TL072 (YS#6882)
MC33078 (YS#6840)
6
4
2
3
9
7
5
3
1
4
8
2
+V
-V
11
13
1
10
12
14
MC33079 (YS#6804)
3
4
2
1
NSL-32SR2 (YS#6858)
16
14
12
10
1
3
5
7
V-
9
13
15
11
2
4
6
8
LM13600N (YS#6745)
P1
P2
P3
P4
9916
4434
4432
4435
4432
4434
.
.
.
.
.
.
.
9915
9917
9915
9917
.
.
.
.
.
.
.
MAIN GAIN
REF
POT#
FUNCTION
KNOB#
POTENTIOMETERS AND KNOBS
CD/LINE GAIN
TREBLE CONTROL
.
.
.
.
.
.
.
MIC GAIN
BASS CONTROL
.
.
.
P5
.
.
.
.
.
.
.
.
STYLE
P32
P32
P32
P32
P32
.
.
.
.
.
.
.
.
9145
V01
New SMT version from the input section of M1555
Remove R240 and replace attributes with Do Not Stuff (DNS)
Replace R81 from 10k0 to 4k99 YS#7679
Replace R66 from 27k4 to 13k YS#7627
Replace R136 from 2k21 to 681R YS#7646
Remove D65
Added D65 back. Connected D14 cathode to D65 cathode in both schematic & PCB.
Released V02
Updated footprints of pots and switches for improved manufacturing
.
.
.
.
V01
.
.
.
.
V01
V02
V03
.
.
.
.
2018-10-30
13
10
7
4
1
9
11
12
8
#
2
3
5
6
VER#
DATE
DESCRIPTION OF CHANGE
2019-01-14
.
.
2022-11-02
.
2019-03-19
2019-03-22
.
.
.
.
.
PC#
9337
.
.
.
.
9350
.
9838
.
.
.
.
Summary of Contents for TWO Series
Page 3: ......
