HP 54540 Series - Block-Level Theory

Chapter 8: Theory of Operation
Block Level Theory
DASHED LINE INDICATES
REAR PANEL LOCATION.
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we MAIN VSYNC 1 CRT
+15V ! a ASSEMBLY VIDEO 1 MONITOR
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! +12V(D) j SWEEP
1 ASSEMBLY
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' J57 1 PROBE POWER |
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) LINE FILTER , L ache 5
, LINE SELECT , J402 Wits. teeeteteneee, '
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SWITCH
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[ATTEN] ATTEN JATTEN
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Channel and External Trigger ; :
inputs on oo
CHI CH2 EXTERNAL
HP
545208
and
54540A
TRIGOER
Instrument Block Diagram
8-2