HP 3562A Service Manual page 454

S E RV I C E
1 . To perform the self-tests, press the H P 3562A keys as fol l ows:
SPCl
FCTN
2. Refe r to tab le A1 -2 for s i n g le bit fai l u res to determ ine the probable subblock fai l i ng.
3. G o to part B for m u lt i p l e b it fai l u res.
4. If both tests pass but a sou rce f u n ction or a trigger mode is fai l i n g, use tab le A1 -1
to deter m i ne the probable su bb lock fai l i ng.
Function Failing
or Defective
Triggered Mode
S i ngle Channel Phase
CNTCLK
S i ne Wave Output
Source E nergy Measurement
(2-41 )
fails but random noise
operates at f u l l span
Random Noise Output
B u rst Mode
SYNC OUT output
Period i c Ch irp
8-4
S E RV I C
T E ST
T E S T
S O U R C E
A 1 - 1
Table Digital Source Functions
F R E N D
I N TFCE
S O U RC E
MA I N
Probable Cause
of Failure
Phase Resol ution Ci rcuit
(go to part E)
Phase Resolution C i rcuit
(go to part E)
Control Registers
(go to part E, step 7)
La I nput Receiver
(go to part E)
Effective Sample Rate Generator
D)
(go to part
N o ise G enerator
(go to part E, step 8)
Bu rst Contro l C i rcuit
5)
(go to part E , step
B u rst Control C i rc u it
#5
(refer to waveform
Effective Sam p l e Rate Generator
D)
(go to part
MOD E L 3562A