l s \ E volbge

t€gt?

N O

retion (white En A6 and 42.

t7 with scope(lnt. SYnc'

ov1--t==- -'l6oms

-r7vl l.-

Monitor A1U401 pin 17 with s@pe (lnt. Sync. Slope).

Correct Wavelorm:

-* 4V1

--lOomsF-

Apply 1 V input at 100

on 1V range . Jumper

AOTPI to 46 shield

Jumper top end of A6R

to A6 shield. Monitor lower end of AGCRl 3.

Monitor A2Ol pin 3 lO

assdüly. Se Par. 7-14.

Troubleshoot DC

Translaror A'1O411

Monitor left end ot A6C with scope (line sync)

Troublesh@t 4604, 05,

Connect right end ol

and 06 . @nfirming that

Correct waveform:

I kf,l to + and ,5 V. Volt.

@ch is tomard biased by

age should be > - 15

checking dc wltag6 shown

w i t h + 5 V i n , a

on schemlic Figwe 7-29.

.

i E S

b * - $ r

, Il

-l

T r o u b l e s h o o t 4 6 U 3 , A602, and A603. Se Note 4.

> + 1 5 V w i t h - 5 V i n -

S@ Note 4 .

:a - :' dth s@F .

Corred Mveform:

5. lf the AC Conwrter operation is out of specitications only at certain

frequencies, refer to the bble of Frequency-Related Accuaacy problems.

+ 6 V t o + 7 V

' 6 V t o - 7 v

t-- ! io! dipped ar prope levels, troubteshoor A6CB5-12,

. ' =

I r,3- :: A6TP3 wirh 3@pe-Should be + 2 V to + 2.5 V.

F i -.::s6, troubleshootA6CR16-.19,A6R4O.

6. Pin 18 indi6t6 ths rewrse &velorm-

Figure7-6. AC ConverterTroubleshootinsTree.
7-1s17-t6