Tektronix 2467B

DISPLAY DIAGNOSTIC PROCEDURE
2465B/2467B Service
DISPLAY DIAGNOSTIC
PROCEDURE
REPAIR CONTROL
BOARD AND/OR
INTERCONNECTIONS
INSTRUMENT CONTROL SETUP:
CH 1 - ^ ALL CHANNELS
CH2- I SELECTED-NO
CH3- f SIGNAL AT INPUT
CH 4 - > CONNECTORS
CHOP/ALT - CHOP
EXTZ-AXIS- NO INPUT SIGNAL
A AND B SEC/DIV - tmt, LOCKED
POSITION CONTROLS - ALL AT
MIDRAN6E
HOLDOFF - FULLY CCW
A TRIGGER MODE - AUTO
INTENSITY - FULLY CW
RO INTENSITY - FULLY CW
BANDWIDTH LIMIT-OFF
in
>
a
z
o
(A
H
O
■D
3D
O
o
m
o
c
3D
PRESS At,
THEN PRESS AV
ROTATE AREF
6 TURNS CCW,
THEN 2 TURNS CW
ROTATE A6
TURNS CW, THEN
2 TURNS CCW
LOCATE ANY REMAINING
PROBLEMS USING THE
SCHEMATIC DIAGRAM AND
THEORY OF OPERATION
SECTIONS
REFER TO THE
SWEEP DIAGNOSTIC
PROCEDURE
REFER TO THE VERTICAL
TROUBLESHOOTING
HINTS AT LEFT
REFER TO THE
READOUT DIAGNOSTIC
PROCEDURE
TURN
GRID BIAS POT.
R1878C2465B)
0RR4354(2467B)
FULL CW AND
GRID DRIVE R949
FULL CW
REFER TO THE
HORIZONTAL
TROUBLESHOOTING
HINTS AT LEFT
REFER TO THE
VERTICAL
TROUBLESHOOTING
HINTS AT LEFT
VERIFY HORIZONTAL
DEFLECTION LEADS
ARE SECURE
ADJUST 6RID BIAS
(MCP BIAS 2467B ONLY)
AND GRID DRIVE ACC0RDIN6
TO CALIBRATION PROCEDURE
REPAIR OR REPLACE
CRT CONNECTIONS, U600
OR BEAM FIND CIRCUT
REPAIR OR REPLACE
U800 OR BEAM FIND
CIRCUIT
RETURN CONTROLS
TO INITIAL
SETTINGS AND
PRESS BEAM FIND
REPAIR THE
HVPS6RID DRIVE
CIRCUIT
REFER TO THE
Z-AXIS DIAGNOSTIC
PROCEDURE
REPAIR HI6H
VOLTAGE SUPPLY,
DC RESTORER OR
CATHODE SUPPLY
REPLACE
THE CRT
r
RETURN
TO
REPAIR MCP
BIAS SUPPLY7
VOLTAGES ARE MEASURED USING A TEST
OSCILLOSCOPE WITH X10 PROBES WHILE
HOLDING IN BEAM FIND BUTTON
6863-35*