(3) ALIGNMENT FOR AM SENSITIVITY
a. Required
Instrument
RF Signal Generator (RFSG)
SSVM
b. Alignment
Procedure
Setting Procedure
(1)
Turn the radio to ON and tune receiving frequency to 15.1MHz.
RECEIVING
FREQUENCY
15.1 MHz
(2)
Set RF Gain VR301 to Max. and slide Wide/Narr. switch to WIDE.
BAND SW
(3)
Feed a signal with 1KHz 30% modulation from RFSG into ANT IN
AM MODE
AM
(TP2).
TONE NORM
(4)
Adjust T3, T4, T5, T6, T8 to have maximum 1KHz output level on
SSVM.
WIDE / NARR.
MONO
WIDE
RF GAIN
MAX.
ADJUSTMENT
T3, T4, T5,
T6, T8
c. Instrument
Connection
T5
T6
T3
T4
T8
TP8
TP4
SSVM
dBµ
30%
15.1 MHz
RF OUT
60
RFSG
TP2
TP5
11
Содержание ATS-909X - WORLD BAND RADIOS
Страница 7: ...9G D2 D36 SWITCH SWITCH 9G 9G ANT1 2 1 CN3 6V BT SP1 RADIO 3V D30 NI MH MAIN PCB BLOCK DIAGRAM 7...
Страница 17: ...TEST POINTS DIAGRAM 17...
Страница 18: ...MAIN PCB TOP VIEW 18...
Страница 19: ...MAIN PCB BOTTOM VIEW 19...
Страница 20: ...CONTROL PCB TOP VIEW 20...
Страница 21: ...CONTROL PCB BOTTOM VIEW 21...
Страница 22: ...KEY PCB TOP VIEW 22...
Страница 23: ...KEY PCB BOTTOM VIEW 23...
Страница 24: ...WIRING DIAGRAM 24...
Страница 37: ...37...
Страница 38: ...IC CIRCUIT BLOCK DIAGRAM 1 IC1 Si4735 D60 2 IC2 UTC7640P 38...
Страница 39: ...3 IC3 TC4066BFN 4 IC4 XC62FP3002PRN 39...
Страница 40: ...5 IC5 NJM2100M 6 IC6 PT2308 40...
Страница 41: ...7 IC7 NJM2073D 8 IC8 PC 17K1 41...
Страница 42: ...9 IC9 MC33340 10 IC10 LD1117AL ADJ 42...
Страница 43: ...11 IC300 24LC32A 12 IC304 MB15A01PFV1 43...
Страница 44: ...13 IC305 UPD78F0513A 14 IC306 XC6202P302PRN 44...