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Figure 7-28 mac alignment points, P100, R24 4 – Viking 242-2009-632 User Manual

Page 156: R2 34

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ALIGNMENT AND TEST PROCEDURES

7-28

March 1999
Part No. 001-2009-600

Figure 7-28 MAC ALIGNMENT POINTS

J103

J100

R236

J104

RX DATA

LEVEL

RX AUDIO

ADJUST

MAIN AUDIO

LEVEL

RX VOICE

TO RNT

RX VOICE 31

RX WB AUDIO 27

VOTER AUDIO 25

13 MAIN AUDIO TO RNT

17

1

P100

LEVEL

AUDIO

VOTER

TX VOICE 32

LEVEL

TX

VOICE

LEVEL

TX

MOD

LEVEL

TX

DATA

15 TX AUDIO +

16 TX AUDIO -

MAIN AUDIO

FROM RNT

FROM RNT

SEC AUDIO

FSK

TO RNT

SEC AUDIO

TO RNT

P101

J101

J102

GND

A D LEVEL

TEST POINT

ON/OFF/VOL

SPEAKER/MIC

SPEAKER

LOCAL MIC

LOCAL SPKR

S100

ON

1

2

3

4

5

6

7

8

3 TXS+

4 TXS-

1

2

3

4

ON

S101

U149

U151

R30

1

R24

0

RX NET

R24

1

R242

R24

3

R

305

R2

33

R

238

R

239

R2

37

R23

5

LEVEL

R24

4

TX VOICE

LEVEL

R2

34

NOISE

S102

R

100

J

105

WATCH DOG

RNT RS-232

SECONDARY AUDIO

TO RNT

EXTERNAL MODEM

5 4 3 2 1

2-3/4-5 NORMAL OPERATION
1-2/3-4 LTR DATA MODEM

RESET