HP 8690B Manual Change page 5

08690-90018
ERRATA (Cont'd)
Add the following:
A3 HP Part No. 08690-60066 Replacement Kit Reciprocal Amplifier Board Assembly
A4 HP Part No. 08690-60063 Replacement Kit Helix Amplifier Board Assembly
A5 HP Part No. 08690-60065 Replacement Kit Low Voltage Power Supply Board Assembly
A6 HP Part No. 08690-60064 Replacement Kit Regulator Board Assembly
Model 8690B
AS HP Part No. 08690-60071 Replacement Kit High Voltage Power Supply Board Assembly (not pretested)
A9 HP Part No. 08690-60061 Replacement Kit Rectifier Board Assembly (not pretested)
A10 HP Part No. 08690-60059 Replacement Kit Sweep Generator Board Assembly
A12 HP Part No. 08690-60062 Replacement Kit ALC Amplifier Board Assembly
..,._Page 6-23, Table 6-2:
Change HP Part No. 1400-0084 to:
HP Part No. 2110-0464 FUSEHOLDER
Page 7-3, Figure 7-2:
Change switch labeling as shown below:
ss
53
,;F
I
FUNCTION
I
MS
R4
681K
I
MANUAL
I
[f[fQJ
\
\
\
\
\
~
~(
/
\
VERNIER
0
~/!LINE
SYNC!
/ 0
~
/
\
', -300V
\
\
\ 0 \
\ \
\ \
\
\
\
' ------• S9F
'--- 0
!SWEEP SELECTOR!
Page 7-5, Figure 7-3:
5
Change the A3 Assembly Component Identification Photo indicate R77 and R78 designations are swapped.
Change F1 to 0.032A
Change the A3 Assembly Resistor Reference Designations to read R30-34, 40-45, 4 7-80.
Change the circuitry of A3Q1 as shown in the attached drawing:
R47*
1620
R79 R80
51. 1K !OK
C40
0. 1
G
01
1855·0062
P/0 Figure 7-3. Frequency Control Section Reciprocal Amplifier
-
HEWLETT
li
PACKARD