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#
m1200S3V0.sch2002
LS800P
Thu Jun 23, 2005
M1200
of
Sheet
Rev:
4
3
3V0
Product
LS800P
Date:
Filename:
PCB#
m1200S3V0.sch2002
LS800P
Thu Jun 23, 2005
M1200
of
Sheet
Rev:
4
3
3V0
9
10
11
12
13
MODEL(S):-
DATE
VER# DESCRIPTION OF CHANGE
#
1
2
3
4
5
6
7
8
N
N
SHAFT STYLE: 4567 -> 4412, 4537 -> 4434, 4569 -> 4436
GT:PC#6694:POTS CHANGED TO SAME VALUE, SHORTER
V
V
.
.
D
D
.
FEB-03-2005
N
Update tabs for DS pcb. Add pads for subst 5242 cap.PC#6750
N
Removed W12, W33, W34 & W35
PC#6669 Change C19,C23,C30 from 5212(100V) to 5865(250V)
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
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
X
X
Move RTV holes under C104,C113,C117,C101 to bad inserts
Place C120 across pins 1 & 2 of U4
X
X
Remove copper around heatspread holes(get covered @solder)
Force update R5, R20, R21, R165 to get new pattern
Change C19,C23,C30 from 5212(100V) to 5865(250V)
Add extra vias on eyelet parts-solder conn. not 100% on eyelets
Force update C1, C2 to get new pattern
LS800P
PC
PC
PC
6639
6634
PC
PC
PC
6639
6632
6639
6631
6669
M1200 PENDING CHANGES
move via from under R90, R97, R11, R49, R91, R9, D4
REF
OLD
NEW
PART KNOB
PART KNOB
MODEL(S):-
FUNCTION
R
R
R
R
R
R
R
R
F
F
F
F
F
F
F
F
O
O
K
K
O
O
O
K
K
K
O
O
O
K
K
K
O
K
K
K
N
N
K
K
K
N
N
N
K
K
K
N
N
N
K
N
M1200 POT LIST
LS800P
P1
P2
P3
.
LEVEL
SHAPE
HF ROLLOFF
4567
4569
FREQUENCY
8393
8394
8395
4434
4412
4436
9916
9917
9918
4537
