Agilent Technologies 8753ES Option 011 Service Manual page 256

Source Troubleshooting
Phase Lock Error
Table 7-6 A14-to-A13 Digital Control Signal Locations
Mnemonic
CST
L FNHOLD
FNBIAS
API1
API2
API3
API4
API5
FN LATCH
Figure 7-21 A14 Generated Digital Control Signals
H MB Line This signal is active during the 16 MHz to 31 MHz sweep. The upper trace of
Figure 7-22 shows relative inactivity of this signal during preset condition. The lower trace
shows its status during a 16 MHz to 31 MHz sweep with inactivity during retrace only.
7-24
A13 Location
none
P2-2
P2-5
P2-32
P2-3
P2-34
P2-4
P2-35
P1-28
A14 Location
TP3
P2-2
P2-5
P2-32
P2-3
P2-34
P2-4
P2-35
P1-58
Chapter 7