Viking 242-2009-632 - Manual (Page 156)

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