Make your own free website on Tripod.com
Home

Albrecht AE-80H

Albrecht AE80H Scanner

PCBAdjustment
AE-80H PCB
VCO-Voltage VHF Low Band :
TC2 and T5 - TP5 = 1 VDC at channel 1 and 10 VDC at channel 3

VCO-Voltage VHF High Band/UHF Low Band :
TC3 and T 6 - TP5 = 13 VDC at channel 10 and 1,4 VDC at schannel 7

VCO-Voltage UHF High :
L11 - TP5 = 13 VDC at channel 13 and 6 volt at channel 11

Frequency:
TC5 - TP3 = 98.700000MHz

IF Alignment :
T8 - TP6 = 2,0 VDC

RF Alignment VHF Low Band :
T1 and T2 - TP1/TP2 Maximum signal

RF Alignment VHF High Band :
T3 and T4 - TP1/TP2 Maximum signal

RF Alignment UHF Low Band :
TC1 - TP1/TP2 Maximum signal

Discriminator Alignment :
TC4 - Maximum output at speaker

Komponents

Low Power Narrowband FM IF
NJM2070N Audio Power Amplifier
Schematic Diagram