HP 3562A Service Manual page 462

S E RV I C E
Digital Source Main Test Passes
Digital Source Counters Passes
D i gital Source FIE I nterface Fails
B its: 0,1 ,2,3,7, o r 1 2
D igital Source FIE I nterface Passes
D igital Source Cou nters Pass or Fail
Digita l Source Main Test Fai ls
Bits: 6,9,1 0
D i gital Sou rce FIE I nterface Passes
Digital Source Counters Pass
D i gital Source Main Test Fails
B its: 9,1 0
Fu nctions:
S i ne Output is defective, but
B u rst Random and SYNC OUT operate
D igital Sou rce FIE I nterface Passes
D igital Source Counters Pass or Fail
D igital Source Main Test Fails
B its: 9,1 0
Fu nctions:
Source Output Defective
Random Noise Defective
Digital Sou rce FIE I nterface Passes
D igital Sou rce Counters Pass or Fail
D igital Sou rce Main Test Fails
B its: 1 3, 1 4, or 1 5
8-1 2
A 1 -3
Table Digital Source Failures
Test Results Most likely Cause of Failure
i n
Troubleshoot subblocks order l isted.
Control Registers
(Go to part E, step 7l
Tim ing Control Circuit
LO I n put Receiver
Mu ltipl ier
(Go to part El
LO I n put Receiver
(Go to part El
Timing Control C ircu it
LO I n put Receiver
Mu ltip l ier
(Go to part E l
Phase Resol ution C i rcuit
(Go to part El
MOD E L 3562A