ESI VideoBridge 2150, Service Manual

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T ABLE OF CONTENTS (Continued)
2 . 1 1 ERROR M E SSAGES
2 . 1 1 . 1 R e m o t e Ou tpu t E r r o r C odes
3 C I RC U I T D E S C R I P TI ON S
3 . 1
3 . 2
3 . 3
3 . 4
3 . 5
3 . 6
I NTRODUCT I ON
MEASURE MENT OVERV I EW
MEASUREMENT C I R C U I TRY
3 . 3 . 1 D i g i ta l C i rc u i t C a rd ( P/N 5 3 5 2 2 )
3 . 3 . 1 . 1 S i ne G e n e ra t or
3 . 3 . 1 . 2 A na l o g - t o-D i g i ta l C o n v e r t e r
3 . 3 . 2 Ana l og C i rcu i t C a r d ( P/N 5 3 6 7 5 )
3 . 3 . 2 . 1 S i g n a l t o t h e U nkn ow n
3 . 3 . 2 . 2 Ra n g e Sw i t c h i n g
3 . 3 . 2 . 3 S e r i es S p o i l i ng R e s i s t o rs
3 . 3 . 2 . 4 P hase T r i ms
3 . 3 . 2 . 5 D i f f e re n t i al Ampli f i e r
3 . 3 . 2 . 6 Va r i a ble Ga i n A mp l i f i e r
3 . 3 . 2 . 7 Ove r l oa d D e t e c t o r
3 . 3 . 2 . 8 P ha se R e c t i f i e r
MOT H E RB OARD
3 . 4 . 1 C P U
3 . 4 . 2 S ta nda rd C ommun i ca t i ons B us
3 . 4 . 3 E x t ra B us
3 . 4 . 4 Clock S i g na ls
3 . 4 . 5 Pow e r ON Rese t
3 . 4 . 6 V i d e o D i splay G e n e ra tor
V I D EO C I R C U I TRY
3 . 5 . 1 V i de o Ampl i f i e r
3 . 5 . 2 V e r t i ca l R e t ra ce Bla nki ng
3 . 5 . 3 V e r t i c a l D r i ve
3 . 5 . 4 H o r i z on tal D r i ve
3 . 5 . 5 V i d e o C o n t r o l S u mmary
POWE R S U P P L Y
4 P E R FORMAN C E , C A L I BRAT I ON , A N D MAI NTENANCE
4 . 1 PERFORMAN C E TESTS
4 . 1 . 1 F re q u e n cy A c c u ra cy T est
4 . 1 . 2 R a n g e Resi s t o r A c c u ra cy Test
4 . 1 . 3 C a pa c i t o r A c c u ra cy T es t
4 . 1 . 4 T e s t L e vel A c c u r a c y Test
4 . 2 CAL I BRAT I ON
4 . 2 . 1 E q u i pm e n t Re q u i r e d
4 . 2 . 2 S ho r t C i r cu i t Z e r o A d j ustmen ts ( Analog )
4 . 2 . 3 H i g h a nd L ow F r e qu e n cy ( D ) P h ase Ad j us t me n ts
( Analog )
4 . 2 . 4 A n alog C a l i b ra t i on S umma ry
i i i
e l s l i 2 1 5 0/ 2 1 6 0 9/8 5
2 - 1 2 1
2 - 1 2 6
3 - 1
3 - 1
3 - 5
3 - 5
3 - 5
3 - 8
3 - 1 1
3 - 1 1
3 - 1 3
3 - 1 4
3 - 1 5
3 - 1 5
3 - 1 6
3 - 1 7
3 - 1 8
3 - 1 9
3 - 2 0
3 - 2 2
3 - 2 3
3 - 2 4
3 - 2 5
3 - 2 6
3 - 2 7
3 - 2 8
3 - 2 9
3 - 3 1
3 - 3 2
3 - 3 3
3 - 3 7
4 - 1
4-3
4 - 5
4-7
4 - 1 0
4 - 1 4
4 - 1 5
4 - 1 6
4 - 1 7
4 - 1 9