Adjustment Procedures
TDS 520A, 524A, 540A, & 544A Service Manual
5Ć19
" Recheck Probe Bandwidth:
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Disconnect the hookup: ,.*3% 2&# .0- # $0-+ 2&# 82-8.0- # 2'.
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2-06
Brightness and Contrast Adjustment
(TDS 520A and 540A - Monochrome - Only)
Equipment Required: ,# +%,'$'#072#+ ," -,# &-2-+#2#0
5'2& 3+',,!# 0- # 2#+
Access the inside of the oscilloscope: ## Removal and Installation
Procedures ', #!2'-, 2- 0#+-4# 2&# ! ',#2
Adjust the display brightness:
Display the Composite test pattern:
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H #2 2&# 15'2!& *-!2#" ,#0 2&# $0-,2 -$ 2&# 0-!#18
1-0'1.*6 1 $-**-51
Switch No. 1 2 3 4 5 6 7 8
Open
Closed
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H 0#11 SHIFT ," UTILITY
H #.#2#"*6 .0#11 2&# +',8+#,3 322-, System 3,2'* Diag/Err '1
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H #.#2#"*6 .0#11 2&# +',8+#,3 322-, Area 3,2'* Display '1
&'%&*'%&2#" ', 2&# .-.83. +#,3
Display Assembly
Adjustment
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