Adjustment Procedures
TDS 520A, 524A, 540A, & 544A Service Manual
5Ć23
H !'1/0 1+0&) 0%" ($.,1+! ./0". )&+"/ &+
0%" )1*&++ " -0 % /"" &$1." 5 '1/0 !&/--". 3%&)"
0%" )&+"/ &+ 0%" )1*&++ " -0 % ." '1/0 2&/&)" 3%"+ ,0%
." 2&"3"! 0%.,1$% 0%" *$+&#&".
10% Patch
5% Patch
Figure 5Ć12:ăTDS 524A/544A Five and Ten Percent Luminance Patches
Adjust the display contrast:
Display the White Field test pattern:
H ."// 0%" "+0". *&+5*"+1 100,+ 0, !&/-)4 0%" *&+5*"+1
H ."// 0%" *&+5*"+1 100,+ Tests
H "-"0"!)4 -."// 0%" /&!"5*"+1 100,+ -more- 1+0&) White
Field --"./ &+ 0%" /&!" *"+1 1/% White Field
H ."// 0%" *&+5*"+1 100,+ EXECUTE 0%"+ -."// 0%" /&!"5
*"+1 100,+ Ok Confirm Run Test
Make the contrast adjustment:
H , 0" 0 &/ ,+" ,# 0%" !'1/0*"+0/ ,+ 0%" )"#0 /&!" ,# 0%"
&+/0.1*"+0 ), 0"! '1/0 %"! ,# 0%" #+ 0 &/ 0%" #�% !'1/0*"+0
#.,* 0%" #+
H ,+&0,. 0%" )1*&++ " 0 "+0". / .""+ 1/&+$ -%,0,*"0".
+! )1*&++ " -.,"
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