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Design Information And History
Section:
Product(s):
History.SchDoc
M1538
5
5
Sheet
Of
PCB#:
Rev#:
Modified:
V03
File:
28/11/2014
YX15PC
EML Rev#:
03
Tmp Rev:
V23
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"
P1
P2
P3
P4
8653
4434
4434
4435
4432
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8653
8653
8653
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LINE IN LEVEL
REF
POT#
FUNCTION
KNOB#
MIC LEVEL
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TREBLE
BASS
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STYLE
P32
P32
P32
P32
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IRFP140N (YS#6931)
TO-247AC
D S
IRFP9140N (YS#6932)
G
2SD2560 (YS#6805)
TO3P
2SB1647 (YS#6812)
B C E
TO92
E B C
2N6517 (YS#6854)
.
V01
FIRST PRODUCTION RELEASE. - ML
Substituted YS#5255 (1u 63V) for 5254 (1u 63V). See PC for details. - ML
GND scheme changed (see PC for details)
R106 and R127 changed from 1K0 (#7621) to 470R (#7856).
R109 and R125 changed from 33K (#7863) to 27K4 (#7636).
Tack on two diodes (#6438) on U1 and U2 as per PC#8734 V02 and earlier version.
D25,D26 #6438 (1N4007) added across the output of 7815 and 7915 regulators.
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V01
V02
V02
V03
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26-NOV-2013
13
10
7
4
1
9
11
12
8
#
2
3
5
6
VER#
DATE
DESCRIPTION OF CHANGE
NOV-13-2014
NOV-27-2014
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18-DEC-2013
MAY-15-2014
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PC#
8618
8632
8733
8734
8734
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