Sencore CB42 - Page 94

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TYPICAL: 130-150dB
COMMON DEFECTS: RF, IF alignment, ludio
amp, AGe.
AM RECEIVER GAIN
1. R_ioer Squeld' minimum.
2.
Set receiver' •• olume control lor lUll 9l'in.
3. Feed in enoo.4J ,ignal on channel lor. 1.00
Welt OU1PU{,
•. Ref., (o \J'apll in ma......l 10 delermine dB
gain.
Coml'le~ .. formalion on hr<'" 32-33 of .... nual.
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AM AIIlU~ TEST
NOn: P . • __ <111 ... ' .. Nl.XM
..,.. I'uiIII SF t
1. R i_ Sq ',> __ .ANL_AH8
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2. 'Kith HI.2O'I air l* ...... 10 dB s-.n .. itY
Tost_ MK:AOVOLTS OUTI'UT.
NOTE: s-.i!;m., should Is. twice 01
m.t withou! HI.2O'I.
3_ Sort NL204 lor 1 II N' lJOlition _ .-ft
Srnoiti.ity Ten.
4. c.lcull1. dB ratio 01 S~P> 2 end 3 ",iong
dB-20 iolI
10
II
,N
2
.
Should be eqUllto 0<
less t ..... 10 dB.
TYPICAL:
10 dB or less
COfMIION DEFECTS: ANL diode, ANB circuit.
CompJeU informalion on h,..33-34 ohDllnllll.
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NL204
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