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YORKVILLE AP4020 Service Manual page 19

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M1129.sch_schematic-DATABASE_HISTORY
MODEL(S):-
AP4020 / AP4040 / AP2020 / AM1CE
#
DATE
VER# DESCRIPTION OF CHANGE
1
OCT/1997
1.00
FIRST PRODUCTION
2
NOV/12/97
2.00
REVERSED INPUT POLARITY. MODIFIED FOR AP2020
3
DEC/02/97
.
C27, C28, C29, C30 TO 150n
4
APR/22/98
2.10
PC#5694 ADD NETS BRPRTCT, LVGND-28 TO BRG SW
5
SEP/06/01
2.20
DELETE R119
6
JUL/2005
3.00
CONVERT TO PCAD2002
7
D
V
N
8
D
V
N
9
D
V
N
10
D
V
N
11
D
V
N
12
D
V
N
13
D
V
N
M1129 Database History
MODEL(S):-
AP2020 AP4020 AP4040 AM1CE
#
DATE
VER# DESCRIPTION OF CHANGE
1
1.00
OCT/97
FIRST PRODUCTION
2
NOV/97
2.00
SWITCH NETS RREF WITH LREF AND RSPRE WITH
3
.
.
LSPRE AT 14 PIN CONNECTOR. INPUT TO NONINVERTING
4
DEC/02/97
.
CHANGE C27, C29, C28, C30 TO 150N
5
APR/16/98
3.00
PC#5694 PINS 10-12 OF MC2 CONNECTED TO BRG SWT
6
JUL/01/98
4.00
ISOLATE PIN OF S3
7
SEP/06/01
4.10
PC#6436 REPLACE R119 (10K0) WITH JUMPER X119
8
APR/15/05
5.00
PC#6873 REDO SOLDERMASK
9
JUL/2005
6.00
CONVERT TO PCAD2002, PC#6944:ROUTE GAUGE,
10
AUG-15-2005
.
PC#6914:ADD TARGETS
11
D
V
N
12
D
V
N
13
D
V
N
M1129 PENDING CHANGES
MODEL(S):-
AP2020/AP4020/AP4040/AM1CE
#
PC#
PENDING CHANGE
1
PC
X
2
PC
X
3
PC
X
4
PC
X
5
PC
X
6
PC
X
*PLACE IMPLEMENTED CHANGES INTO BOARD HISTORY
M1129 DRILL HISTORY
MODEL(S):-
AP2020/AP4020/AP4040/AM1CE
#
DATE
VER# DESCRIPTION OF CHANGE
1
APR-03-2003 V06
N
2
AUG-15-2005 V07
CONVERT TO PCAD2002
3
D
V
N
4
D
V
N
5
D
V
N
6
D
V
N
M1129 PRODUCTION NOTES
1 FOR XLR #3657 USE SCREW PT#8829
UP THROUGH THE BOTTOM
2 FOR M1129B VX1200/2400/J/2402
DO NOT STUFF X40 AND X41
ADD WIRES IN BOARD ASSEMBLY

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