6840_PC
6745_PC
6882_PC
6798_PC
SEE LAYOUT DIAGRAM
E
C
B
TO-92
MPSA63
MPSA43
MPSA13
2N5551
MPSA56
MPSA06
2N5401
D
G
S
TO-92
2N5638
J109
E B
C
TO-126
MJE350
MJE340
MJE270
BD238
BD140
BD139
MJE271
BD237
4
2
-V
A
5
7
3
1
B
+V
6
8
4
2
-V
A
5
7
3
1
B
+V
6
8
16
14
12
10
1
3
5
7
V-
9
13
15
11
2
4
6
8
6
4
2
3
9
7
5
3
1
4
8
2
11
VCC
VEE
13
1
10
12
14
C
E
B
TO-92
BC560C
BC550C
"STYLE_P28"
23
20
17
14
11
8
5
2
#
50
47
44
41
38
35
32
29
26
22
21
19
18
16
15
13
12
10
9
7
6
4
3
1
49
48
46
45
43
42
40
39
37
36
34
33
31
30
28
27
25
24
DATE
VER#
MODEL(S):-
DESCRIPTION OF CHANGE
#
VER#
DESCRIPTION OF CHANGE
DATE
D
D
.
.
APR/28/05
.
.
JUL/04/00
V
V
.
.
.
.
.
1.10
N
N
PC#7425 MULTIPLE BOARDS,EACH BOARD NEEDS
#5223 HAND INSERTED
PC#6891_REDO_AC_FOR_CE
JACKS_AND_TABS.
FOR#3914_RCA-JACK.
PC#6270_R43,R44_47K->180K_C23_150P->47P
V
V
V
V
V
V
V
V
V
N
N
N
N
N
N
N
N
D
D
.
.
D
JUN-23-2008
AUG/14/06
MAY/02/06
APR/15/05
SEPT/04/02
JAN/16/02
FEB/13/01
OCT/26/00
.
JUN/2000
V
V
.
V
.
6.00
5.01
5.00
4.00
3.10
3.00
2.00
1.20
.
1.00
N
N
PC#6564_R104_680R->750R
PC#6874_REDO_SOLDERMASK
PC#7125_RCA_JACKS_#3914_TO_#6541
PC#7150 REPLACE C13 AND C14 #5307 WITH
CONVERTED PCB LAYOUT
TEST NODES ADDED TO SCHEMATIC
CLINCH ROUTING AND SOLDER UPDATE.
N
PC#6484_NEW_SOLDERMASK_FOR_RCA
R73_MOVED_0.25 _AWAY_FROM_TRACE.
PC#6301_REPLACE_ROUTE_WITH_.093 HOLE
R53_22K->47K.
FIRST PRODUCTION
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
100KB
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
M577 V600 .PCB_DATABASE_HISTORY
N
FUNCTION
KNOB
REF
MODEL(S):-
PART#
R
R
R
R
R
R
P4
P5
P6
P1
P2
P3
F
F
F
F
F
F
TREBLE
REVERB
CH-3 VOLUME
CH-2 VOLUME
CH-1 VOLUME
BASS
P
P
P
P
P
P
4420
4417
4417
4417
4418
4420
N
N
N
N
N
N
N
N
N
N
N
N
K
K
K
K
K
K
K
K
K
K
K
K
{NEW}
M577 V600 POT_LIST
100KB