BWD MINI-LAB 603B Manual page 77

BWD PRECISION
INSTRUMENTS PTY. LTD.
MANUAL CHANGE INFORMATION FOR
MODEL BWD:
603B
FROM
SERIAL
NO.
59983
21
9.7.86
22
29.4.87
23
6.87
24 5.88
FROM
SERIAL
NO.
ISSUE
DATE
issue
Sect.
Page
Get.
21 9
21
1
9
1355
21
1 1
9
1355
21
1
12E
1355
21
1
10
1355
21
1
6
1357
21
1
9
1355
21
1
1
9
1355
21
1
9
1355
21
1
9
1355
.
21
1 1
9
1355
21
1
10
1355
21
12E 1355
21
1 1
12E
1355
22
1
9
1355
22
1
9
1355
22
1
9
1355
22
1
9
1355
22
1
12E 1355
23
1
7
1357
24
1
1
1358
24
1 1
1358
24
1
1
1358
AMENDMENT
R3.14,
315, 316
&
317 added.
R208 was
300ohm
IW
R218 was
IK.
^W.
U302 was
LM320T-12
C302, 303
were 2222-016-16101
C32, 321
were 50uF 150V
PH2222-040- 11509
R21
was
0.5J2
5W
R215 was
0.5Q 5W
R318 was
4700
R319 was
4700
R323 was 1000
R326
&
327
were 6800
Q200 was 2N3642
Q20
1
was 2N3644
R214 was
IR
5W
R215 was
IR
5W
R2
1 1
was 47R
R213 was
47R
Q202
&
203
"GAIN ^40" ADDED
U403 added
R127
was 5600
R180 added
R181
added