HP 8690B Manual Change page 7

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•·.
Model8690B
08690-90018
CHANGE 4 (cont'd)
08690-0017 BOTTOM COVER ASSY (BLUE GRAY)
#08690-00034 BOTTOM COVER ASSY (OLIVE GRAY) (STANDARD COLOR)
RACK MOUNT KIT 8H (LIGHT GRAY) 5060-0777
' #
5060-87 42
RACK MOUNT KIT 8H (MINT GRAY) (STANDARD COLOR)
5060,0765
#
5060-8735
RETAINER HANDLE ASSY (BLUE GRAY)
RETAINER HANDLE ASSY (OLIVE GRAY) (STANDARD COLOR)
#Denotes standard color for 8690B part beginning with this change.
CHANGE5
Page 6-4, Table 6-1:
, Change transistor A3Q6 to HP Part No. 1854-0079, TRANSISTOR: SILICON NPN, 2N3439.
I
Page 6-6, Table 6-1:
Add diode A4CR12 1901-0033 DIODE: SILICON 100 mA 180 WV.
Fllg~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:
Change resistors A10R17 /A10R18 to HP Part No. 0698-3126; .R: FXD 17 .8K OHM 1% 1/8W. (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 transistor 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 A4CR11.
Page 7-17, Figure 7-9:
Change transistors A6Q1/A6Q2 to HP Part No. 1854-0079.
CHANGE 6
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 7-13, Figure 7-7:
Change A12Q4A and A12Q4B to HP Part No. 1854-0475.
Page 7-17, Figure 7-,9:
Change A5Q2 to HP Part No. 1854-0475.
• CHANGE7
Page 6-18, Table 6-1:
Add HP Part No. 3160-0092 GUARD: FAN BLADE .
.... CHANGE 8
Page 6-10, Table 6-1:
Change A8R14 to HP Part No. 0698-3402, R: FXD MET FLM 316 OHM 1% 1/2W .
.... CHANGE 9
Page 6-10, Table 6-1:
Change A8C4 and A8C5 to HP Part No. 0160-4051 C: FXD .01 UF 4 kV.
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HEWLETT
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PACKARD
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