Daewoo AGC-4206H, Service Manual

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1 TUNING RANGE MIN KHz 522 522
MAX KHz 1620 1620
2 CHANNEL SPACE KHz KHz 9 9
3 INTERMEDIATE FREQUENCY KHz KHz 450 450
4 USABLE SENSITIVITY 603 KHz dB 25 30
(S/N = 20dB) 999 KHz dB 25 30
1404 KHz dB 25 30
5 IMAGE REJECTION RATIO 1404 KHz dB 50 40
6 IF REJECTION RATIO 603 KHz dB 100 50
7 AGC Figur of Merit 999 KHz dB 55 40
8 SELECTIVITY 999 KHz dB 90 40
9 BAND WIDTH (-6dB) 999 KHz KHz 8 C
10 S/N RATIO 999 KHz dB 50 45
11 T.H.D (74dBu Input) 30% 400Hz 999 KHz % 1.0 3
12 AUDIO FIDELITY(-6dB) 999 KHz LOW 20 100
HIGH 1.5 1.4
13 SEARCH STOP LEVEL 1000 KHz dB 30 20 40
14 LOCAL EFFECT 999 KHz dB 20 10 30
15 TWEET MODULATION (2*IF) 1000 KHz % 1.0 5.0
Electrical Specification
RADIO - AM SECTION
8
NO PERFORMANCE POSITION UNIT NOMINAL LIMIT
DUMMY CONDITION : J.I.S Dummy
* Antenna dummy information
Consider: Er = Ek-6 [dBuV] Vg = S.G. dBuV voltage
All resistor values in ohms. All capacitor values in pico farads.
10
60
45 Ek
~
RG=75
FM ANTENNA DUMMY
AM antenna input
Tuner Under Test
FM antenna in put
Antenna ground
1
3
2
SIGNAL
GENERATOR
Vg
Er
Ek Er
30
15
65
RG=75
SIGNAL
GENERATOR
AM antenna input
Tuner Under Test
FM antenna in put
Antenna ground
1
3
2
AM ANTENNA DUMMY
~
Vg