HP 8690B Manual Change page 9

f' ......
Model8690B
CHANGE 14 (cont'd)
08690-0017 BOTTOM COVER ASSY (BLUE GRAY) .
#08690-00034 BOTTOM COVER ASSY (OLIVE GRAY) (STANDARD COLOR)
5060-0777 RACK MOUNT KIT 8H (LIGHT GRAY)
#5060-8742 RACK MOUNT KIT 8H (MINT GRAY) (STANDARD COLOR)
5060-0765 RETAINER HANDLE ASSY (BLUE GRAY) · · •.··.. . . . . ·
, #5060-8735 RETAINER HANDLE ASSY (OLIVE GRAY) (STANDARD COLOR)
#Denotes standard color for 8690B part beginning with this
chang~.
CHANGE15
Page 6-4, Table 6-1:
Change transistor A3Q6 to HP Part No.1854-0079, TRANSISTOR: SILICON NPN, 2N3439.
Page 6-6, Table 6-1:
Add diode A4CR12 1901-0033 DIODE: SILICON 100 rnA 180 WV.
Page 6-9, Table 6-1:
Change transistors A6Q1/A6Q2 to HP Part No. 1854-0079, TRANSISTOR: SILICON NPN, 2N3439.
Page 6-12, Table 6-1:
Page 9
Change resistors A10R17 /A10R18 to HP Part No. 0698-3126; .R: FXD 17.8K OHM 1% l/8W. (Recommended replace-
ment for 8690B instruments with serial prefixes 1114A and 1124A.)
Page 7-3, Figure 7-2:
Change value of resistors A10R17 /A10R18 to 17.8K ohms.
Page 7-5, Figure 7-3:
Change transitor A3Q6 to HP Part No. 1854-0079.
Page 7-9, Figure 7-5:
Add diode A4CR12 in series with zener diode A4CR11. Connect cathode of A4CR12 to ground, and anode to A4CR12.
Page 7-17, Figure 7-9:
Change transistors A6Q1/A6Q2 to HP Part No. 1854-0079.
CHANGE16
Page 6-16, Table 6-1:
Change F1 to HP Part No. 2110-0420 FUSE .0312A 250V.
Page 7-5, Figure 7-3:
Change F1 to .0312A.
•CHANGE 17
Page 6-7, Table 6-1:
Change A5Q2 to HP Part No. 1854-0475.
Page 6-14, Table 6-1:
Change A12Q4 to HP Part No. 1854-0475.
Page 6-15, Table 6-1:
Change B1 to HP Part No. 3160-0056 preferred replacement.