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Scope/Dvm Control Board {A7) - Motorola R-20010 Maintenance Manual

Communications system analyzer

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INTERNAL

SYNC

-

- - - - - - - - - - - 1 - - 1

U4,

5

I

TRIG PLS

Pl

SYNC

1

I

I

U6

OET

SYNC PRESENT

I

/

12

76

I

U3,

4

I

I

SCOPE

I

VERT TO SCOPE AMPL

I

/

VERT

CHAR

VERT

SWP

G

EN

SEL

74

- -

- -

VERT

t

SWP

CONT

I

TP8

I

v

I

I

~

CHAR

GEN RST

:

(

22

________

J

SPEAKER:

(

sl.

82

- -

-

- - -

- - - - -

us1.

s2

I

HEADSET

AUDio

:!

(

so

------------~-------

. . . . .

:

: ~1

~r·

I

.

"~·~··

,

..

i

<

~

U52

I

I

I

SCOPE

I

INT SCOPE

HORIZ

:

<

72

:

.

HORIZ

I

I

--- . . . . . .

=

~

SEL

I

I

I

_j

I

- - -

I

:..=---=-

-

-

-us;-

-

-~

'""'

m

!

(~

___

__.:

. ..,I

'~:~

I

,,

.. , ....

!

_,.

CONT

_J

- - - - -

- -

-

~

I

I

~

·~~·

~

I

CONT

I

84

SCOPE/

DVM CONTROL BOARD

(A7)

(ATC-1

006A)

Figure

9-1

a.

Block

Diagram

(Sheet

1

of 2)

9-5

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