Factory Selected Components - HP 3300A Technical Manual

Model 3300A
FUNCTION
DC Output
Oven Regulation
DESIGNATOR
A11R11
A11R17
A13C5
A13C9
A13C12
A13C15
A13C18
A13R9
A13R18
A13R19
A13R20
A14R46
A15C1 and
A16C1
A15C4 and
A16C4
A15C9 and
A16C9
A15R3 and
A16R3
A15R10 and
A16R10
Table 5-5. Maintenance Correlation Table (Cont'd)
PERFORMANCE CHECK
None
Paragraph 5-28
Table 5-6. Factory Selected Components
Adjust frequency error between X.01 and X1 range or X.1
and X10 range
Adjust oven temp to between 70º and 80ºC
Adjust 10 on dial on X10K range
Adjust 10 on dial on X1K range
Adjust 10 on dial on X100 range
Adjust 10 on dial on X10 and X0.1 range
Adjust 10 on dial on X1 and X0.01 range
Reduce switching transients
Center R23, upper freq sym
Center R22, lower freq sym
Adjust dc output level for less than 200 mV
Prevent oscillation
Reduce switching transients
Reduce switching transients
Adjust square wave dc level
Adjust dc output level
*See Table 5-3 for value selection.
ADJUSTMENT AND
CALIBRATION
Paragraph 5-39 and 5-40
None
FUNCTION
5-11
Section V
TROUBLESHOOTING
Change A15 or A16 Q1
and/or Q2, if all functions
negative increase value of
R10* not to exceed 3K
Oven temperature should be
70 to 80ºC Check Q7, check
+ 40 volt line
VALUE
LOW NORMAL
--- 130K ---
8.2K 8.87K 9.09K
*
*
*
*
*
--- 15 ---
0 49.9 ---
3 5760 No limit
--- 47 56
--- 200pF ---
12pF 39pF 56pF
39pF 59pF 68pF
--- 5360 ---
2200 3300 3600
HIGH