YORKVILLE ap4020 ys4020, Руководство по обслуживанию

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1.
8870
0.
4"
2.
PCB
SCREW
SPACER
LED
WASHER
P22
LEAD/PIN REFERENCE
PT#3739
3511
POT
SEE LAYOUT DIAGRAM PRODUCTION NOTES
E C B
TO-92
MPSA63
MPSA43
MPSA13
2N5551
MPSA56
MPSA06
2N5401
C E B
TO-92
BC560C
BC550C
4
1
6
5
3
#
2
MODEL(S):-
PC#
*PLACE IMPLEMENTED CHANGES INTO BOARD HISTORY
PENDING CHANGE
X
X
X
X
X
X
PC
PC
PC
PC
PC
PC
M1128 PENDING CHANGES
AP-4020
5
2
#
6
3
4
1
DATE
MODEL(S):-
VER# DESCRIPTION OF CHANGE
D V N
D
D
D
V
V
V
N
N
N
M1128 DRILL HISTORY
AP-4020
V04 OLD PCAD LAST RELEASE JUL/09/02
JUN/05/06 V05 NEW PCAD - SEE HISTORY TABLE
12
9
6
3
#
13
11
10
5
4
8
7
2
1
DATE
MODEL(S):-
VER# DESCRIPTION OF CHANGE
M1128.PCB_DATABASE_HISTORY
AP-4020
OCT/97 1.00 FIRST PRODUCTION
APR/17/98 2.00 #5664 RIBBON CABLE CONNECTIONS CHANGED FOR
PROTECT CIRCUIT . .
DEC/09/98 3.00 PC#5736 TRACES CHANGED POT SUPPORT SCREWS
ADDED . .
NOV/20/01 3.10 PC#6466 LD7,LD8 NSL28AA->NSL32SR2
JUL/09/02 4.00 PC#6401 PARTS MOVED NEAR P2
OCT/25/02 4.10 PC#6568 R44/R41 10K->1K
APR/15/05 5.00 PC#6873 REDO SOLDERMASK
JUN/05/06 6.00 PC#7138:GT:CONVERT TO PCAD2002. CHANGE OPTO
. . LIMITER TO 13600 #6745 LIMITERS FOR ROHS
. . REPLACE C3,C4,C9 AND C10 WITH #5234 470N 63V
REPLACE R31 AND R51 WITH #6139 62K 1/4W . .
11
8
5
2
12
9
6
13
10
7
3
4
1
D
D
D
D
V
V
V
V
N
N
N
N
D
D
D
D
D
D
D
D
V
V
V
V
V
V
V
V
N
N
N
N
N
N
N
N
REPLACE R4 WITH #6127 470K 1/4W . .