11
11
10
10
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
I
I
J
J
K
K
L
L
M
M
N
N
O
O
P
P
Q
Q
Product
LS800P
Date:
Filename:
PCB#
LS800P
Thu Dec 20, 2007
M1200
of
Sheet
Rev:
4
3
Product
LS800P
Date:
Filename:
PCB#
M1200-3V10sch.sch2002
LS800P
Thu Dec 20, 2007
M1200
of
Sheet
Rev:
4
3
3V1
20DEC2007
14
3V10
Revised per PC #'s 7192 and 7366.
REF
OLD
NEW
PART KNOB
PART KNOB
MODEL(S):-
FUNCTION
R
R
F
F
O
O
K
K
O
K
K
K
N
N
K
N
M1200
LS800P
P1
P2
P3
.
LEVEL
SHAPE
HF ROLLOFF
4567
4569
FREQUENCY
8393
8394
8395
4434
4412
4436
9916
9917
9918
4537
9
10
11
12
13
MODEL(S):-
DATE
VER#
DESCRIPTION OF CHANGE
#
1
2
3
4
5
6
7
8
Replace R73 #4943, 4K7 with #4938 3K3
SHAFT STYLE: 4567 -> 4412, 4537 -> 4434, 4569 -> 4436
GT:PC#6694:POTS CHANGED TO SAME VALUE, SHORTER
.
.
.
.
.
SEP/11/2006
.
FEB-03-2005
N
Update tabs for DS pcb. Add pads for subst 5242 cap.PC#6750
N
Removed W12, W33, W34 & W35
PC#6637 CHANGE C81,C82,C85,C86 FROM 5206 TO 5213
V
V
V
2V2
2V2
D
D
16-MAR-2004
27-JAN-2004
23-OCT-2003
D
9-OCT-2003
2V1
LS800P
M1200.PCB_DATABASE_HISTORY
PC#6344 - Added C120 to stop osc. at mom. turn-off
C120 gets manually soldered across U4 for now.
2V1
.
.
GT:PC#6931:SPKR 18/063Y8M -> #7459
PC#7167 HOLE SIZE FOR #3522 SWITCH 0.031" TO 0.040"
PC#6669 Change C19,C23,C30 from 5212(100V) to 5865(250V)
13
10
7
4
1
12
11
9
6
3
#
2
5
8
MODEL(S):-
PENDING CHANGE
PC#
*PLACE IMPLEMENTED CHANGES INTO BOARD HISTORY
X
Move RTV holes under C104,C113,C117,C101 to bad inserts
X
X
X
Remove copper around heatspread holes(get covered @solder)
X
Add extra vias on eyelet parts-solder conn. not 100% on eyelets
Force update C1, C2 to get new pattern
LS800P
PC
PC
6639
PC
PC
PC
PC
6639
PC
6639
6631
M1200 PENDING CHANGES
X
X
7192
7366
R73 was changed from 4K7 to 3K3.
Changed R193 and R192 to read 47R0.
