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7 TEST AND ALIGNMENT INSTRUCTIONS
For alignment please see "Service Hints" on page 11
Measurement | Signal input
Preparations,
Test
Desired value
Adjuster
Remarks
adjustment
settings
point
Current con-
Connect test equip-
110-120 mA
sumption
ment
as per test set-
up,
Ue 2A VEST:
DC/DC con-
verter
S2 channel selector
switch to middle chan-
nel of the switching
bandwidth
Spectrum analyzer,
DC voltmeter
PLL has
achieved
phase lock
2.3V
Frequency of
the selected
channel (fre-
quency label)
13.5 to 15 aB,,
C40,
Spectrum analyzer or
C46
RF power meter
$2: Set channel with
<4V
highest frequency,
cy
DC voltmeter
PLL, bottom
i
i
>0.8V
C13
corner fre-
west frequency,
DC-Voltmeter
RF output
(preliminary
adjustment)
PLL, top cor-
ner frequen-
Transmit fre-
Frequency acc.
Check all chan-
quency
to frequency la-
nels
Precise ad-
bel
justment
S3 Pos. ,3",
Modulation analyzer
Deviation:
+40 kHz
LED lights up
brightly
Nominal de-
| AF generator at
viation
input J1: 0.775 V/
1 kHz
Peak deviati-
| AF generator at
Deviation:
on
input J1: 1.55 V/
+56 kHz
1 kHz
LED indicator | As 9
$3 Pos. ,,2"
LED lights up
dimly
Frequency
AF generator at
$3 Pos. ,3"",
J2
Dev.: +5 kHz
Deemphasis:
Reference
50 us
for checking,
LED fights up
brightly
response
input J1: 15 mV/_
| Modulation analyzer
1 kHz
AF level meter
level: 0 dB
Frequency
AF generator at
Dev.: +1 dB to
response
input J1: 15 mV /
-3 dB compa-
60 Hz - 20 kHz
red to 11
As 11;
without HiDyn
plus™ expan-
AF generator at
Deviation:
input J1: 1 kHz
Sensitivity
775 mVes¢
S3 Pos. ,,1" (=-16 dB)
+16 kHz
der,
775 mV ose
$3 Pos. ,,2" (= -8 dB)
+25 kHz
Deviation:
775 Wert
$3 Pos. ,,3" (= 0 dB)
+40 kHz
+1 dB
309 MV oft
$3 Pos. ,,4" (= 8 dB)
+40 kHz
123 MV ett
S3 Pos. ,,5" (= 16 dB)
+40 kHz
S3 Pos. ,,6" (= 24 dB)
+40 kHz
49 MV off
SK 5012-U
01/02-
16
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