6

6

- 6 V

+ t z v

FROMCR4

FROM

I

cR2

 

R444<

2a

200Ki

R445

 

tooK

 

I I .Rou raotr ro*aa [-{Hrra) FuNcrtoNB H

16 cR REMoTEoss'Y

f tnrmt FuNcroNA H

 

 

f

(HrRc)RANGEc H

y

 

I

(HIRB)

 

?aNG5COUNTERU2tl

H

 

 

 

RANGEI

 

 

I

(HIRA) RANGEA H

 

 

L

 

NOT€2 WW

 

 

 

fs^-rLErHoLD;pi6il-l

 

u40l

 

READ

l

l

u

r

ONLY

 

 

 

 

MEMORY

 

_ -

- J

DISPLÄYPOLARITY

 

 

 

NOTE2

WV

T O P 2 ( 5 ) a J 8 ( J)

t 5

 

 

[--soue.e,."oloieftil-l : ( - - - ' - - - - ) .

-sarrPLE^1oLDörlöil-l

f

 

 

 

l

r

 

- - - - - -

- -

:

(

) z

 

 

 

 

 

 

NoTE2 WT

 

 

 

 

 

'-l

 

[-soupr-Ezro-r-oirfr

r

(

- -

- - ) r

 

NC

OH M S R E F S E L E C T L ( L O M R )

r o R 4 t 4 3

a N D J 3 ( 8 ) 1 3

X I A T T E N R E E DL ( L I R )

ro R40l

XO . OIATTENREEOL (LOIR) fo R4l2

XI ATTENL (LIA) TO R409

XO . OIATTENL (LOIA) TO R403

LEAKAGECONTROL (LLEC) ro R406

OVERLOADPROTECTIONH (HOVP) T0 R50l

+REF SELECT (LPRF) ro R420

-REF SELECT (LMRF) TO R423

AC INPUTENAELEL (LACI)

TO J2il4)

AC CONVOUTPUTSWITCHL (LACO) TO R4t7

INPUTSHORTL (LINS) TO R426

X I G A I N L ( r_.lc)

TO R435

X I O G A I NL ( L I O G )

TO R438

X I O OG A I NL ( L H N G )

TO R44l

I

)

Figure7-25. SchematicDiagram,DC SwitchingLogic, A 1 .

74917-50