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YORKVILLE AP4020 Service Manual page 7

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M1126 Database History
MODEL(S):-
AP4020
#
DATE
VER# DESCRIPTION OF CHANGE
1
OCT/97
1.00
FIRST PRODUCTION
2
NOV/10/97
1.01
PC#5520 R35A 16K->20K ZD7 20V->16V
3
NOV/19/97
1.10
ROUTING ADDED. HOLE SIZE CHANGES
4
DEC/04/97
1.20
PC#5533 R36,R39 68K->47K. R40B/R35A 20K->16K
5
.
.
R31 47R->39R C10 680p->2n2. C8 2u2->1u
6
JAN/13/98
1.30
PC#5550 R36,R39 68K->47K. R40B,R35A 16K->13K
7
JAN/27/98
2.00
PC#5577 D21 MOVED. X31,X35 ADDED
8
JUN/19/98
2.01
PC#5567 C10,C15,C20A TO PT#5427 2n2
9
OCT/06/98
3.00
TRACE CHANGES TO ELIMINATE SHORTS PC#5729
10
.
.
X5,X6 MOVED
11
JAN/27/99
4.00
PC#5908 U1,U2 4N35->TLP621
12
JUN/11/99
5.00
ONE OF THREE SPEAKON JACKS DELETED
13
JUN/13/99
.
U1,U2 TLP621->4N35. SPKON PCB MOVED FOR SHEAR
1
AUG/12/99
6.00
CORRECT BRIDGED JACK TO A
2
MAY/31/01
7.00
PC#6381 ADD C33/C34,R86/R87 PC#6385 C2,C4 1n->2n2
3
SEP/2004
8.00
PC#6435 C33,C34 220p AXIAL->1n RADIAL. C2 2n2->6n8
4
.
.
PC#6438 ADD R88,R89
5
JAN/24/02
8.10
PC#6506 ZD10,ZD11 4V7->3V0
6
D
8.20
PC#6514 Q13->Q20 #6900->#6909. Q21->Q28 #6927->#6910
7
D
.
R5,R17 249FP->150RFP. R13 22K->43K. ZD5 12V->14V0
8
MAY/16/03
8.30
PC#6607 C10,C15,C20A #5427->#5208 2n2 400V
9
SEP/2004
9.00
REDO SOLDERMASK
10
21/JUN/06
9.10
PC#7083 Q11 MTP10N15SL TO IRF630NPBF
11
17/OCT/06
10.00
CONVERT TO PCAD2002
12
01/NOV/07
11.00 CHANGE CONNECTOR W1 PADS TO OVAL PER PC#7362
13
11/MAR/08
.
PC#7076, REPLACE #6989 & #6990 WITH #7004 & #7005
14
08/FEB/10
12.0
PC#7935 - C25A,C26A CHANGED YS#5259 TO YS#5269 4U7
15
.
100V
.
16
.
PC#7916 - ADD PICTURE TO PDF FOR TO3P MTG PLATE
17
.
.
18
SEE LAYOUT DIAGRAM
2N5401
2N5401
2N5551
2N5551
MPSA06
MPSA06
MPSA13
MPSA13
MPSA43
MPSA43
BC550C
MPSA56
MPSA56
BC560C
MPSA63
MPSA63
MBS4942
OUT
N/C
C
B
E
TO-92
IRF830
MTP12P10
MTP10N15L
BD139
IRL2910
IRF5210
BD139
BD139
MTP2P50E
BD237
MTP8P20
BD139
BD238
BF872
IRF720
MJE340
BF871
MTP23P06
MJE350
MAC224
2N6556
IRF822
MJE271
2N6553
IRF4905
MJE270
BD140
B C E
G
D
S
E
C
B
B
C
E
2N5401
2N5551
2N6517
MODEL(S):-
MPSA13
#
DATE
MPSA43
1
D
MPSA56
2
D
MPSA63
3
D
4
D
5
D
6
D
7
D
8
D
9
D
10
D
E
B
C
11
D
12
D
TO-92
13
D
MJE11025
MJL21194
MJE11025
MJL1302A
MJL3281A
MJ21195
MJL21193
2SA2121-0
MJ21196
2SC5949-0
B
E
BOTTOM
VIEW
B
C
E
Mnnnn Drilling History
{MODEL}
VER# DESCRIPTION OF CHANGE
V
N
V
N
V
N
V
N
V
N
V
N
V
N
V
N
V
N
V
N
V
N
V
N
V
N

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