HP 3562A Service Manual page 548

S E RV I C E
C. Oscilloscope Signal Waveforms
The osc i l l oscope p l ots are used for tro u b l eshooting the A8 G l obal RAM board . Note that
a l l meas u rements are done with a 1 0:1 p robe. Other notes u n ique to a meas u rement are
l i sted next to the wavefo rm.
& 6
TP7, TP5
A l l j umpers in normal (N) position.
Power o n .
Setup
Connect Ch1 to AB TP7
Con nect Ch2 to AB TP5 or TP6
Scale
Tim ebase
Offset
Trigger
Cou p l ing
8202
OSA STOP/ST ART
Power on.
Press the fol lowing HP 3562A key sequence:
.
SPCL FCTN . .
Move ju m pers AB J3 and J4 to test (T) position.
Press softkey 56.
Setup
Connect Ch 1 to AB J1 (4)
Scale
Timebase
Offset
Trigger
Coupling
8-98
Table A8-9 Global RAM Signal Waveforms
Important
Parameters
Time
Pol arity
2 V/d iv
2 JLs/div
2 V
C h 1
dc
.
5 E RV I C TEST (52) . . . . . . . TEST M E MO RY (52) . . . . . . . D5 P I NT TEST 1 (53)
I mportant
Parameters
Time
1 V/d iv
200 ms/div
2 V
C h 1
dc
Wavefo rm
Wd,
OVd,
#1
This series of pu lses repeats every 1 6.4 ms.
Waveform
-------_.-----._--------------.-------- - -----._-_.-----------._---_ ... -------.
+ SVdc
OVdc
#2
MOD E L 3562A