Tektronix 455 Instruction Manual page 5

455/A2/B2
SECTION 4 — C IRCUIT DESCRIPTION (cont)
SECTION 5 — MAINTENANCE
Cabinet Removal
Preventive M aintenance
C orrective M aintenance
TABLE OF CONTENTS (cont)
C rt C ircu it
H igh-Voltage O scillator
H igh-Voltage Regulator
H igh-Voltage C ircu itry
C rt C ontrol C ircuits
Z Axis A m p lifie r
Low-Voltage Power Supply
Power Input
Secondary C ircu it
Channel 1 and Channel 2 Input C ircuits
Scale Factor C ontrol
Input C oupling and V olts/D ivision Sw itching
FET Input Source Follow er
Vertical Pream plifier and Sw itching
Pream plifier and Channel Sw itching Gates
Channel Sw itching M ultivibrator
Vertical O utput A m p lifie r
Delay-Line D river
Norm al T rig ge r Pickoff
Vertical O utput A m p lifie r
T rig ge r Input
T rigger C oupling
Input Source Follower
Trigger, Sweep, and H orizontal Pream plifier
A and B T rig ge r Generators
Sweep Generator IC's
M iller Sweep G enerator
Sweep C ontrol 1C
Sweep C ontrol O peration
A Sweep Mode
B D ly'd Sweep Mode
A Inten Sweep Mode
H orizontal Pream plifier 1C
Cleaning
Interior
Switch C ontacts
Exterior
C rt
Visual Inspection
Lubrication
Sem iconductor Checks
Recalibration
O btaining Replacement Parts
Standard Parts
Special Parts
O rdering Parts
Page
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