UNIDEN 2020
Sid 6 (26)
3.
IF UNIT ALIGNMENT
3-1.
Test Equipment Required
(
1
) Same as 2-1
3-2.
Preparations
Take out IF UNIT (PC-078) and put SERVICE EXTENSION BOARD in its
place, then CONNECT the IF UNIT to the EXTENSION BOARD.
3-3.
Coil Adjustment.
(
1
) Process the same as 2-4, (1) – (4).
(
2
) Adjust L351 – L354 to get the maximum readings or S-Meter or mV.
3-4.
Carrier Balance Adjustment.
(
1
) Process the same as 2-4, (1) – (4), but note that SSG output should be 20 dB.
(
2
) Adjust CARRIER BALANCE potentiometer R374 and trimmer capacitor
C370 to get the maximum readings on mV.
Summary of Contents for 2020
Page 21: ...UNIDEN 2020 Sid 24 26 PLL Unit PC 086 Operation Unit PC 085...
Page 22: ...UNIDEN 2020 Sid 21 26 1 E 1 F 1 G 1 H 1 H...
Page 23: ...UNIDEN 2020 Sid 22 26 5 uS DIV 0 1 uS DIV 0 1 mS DIV 5 uS DIV 0 1 mS DIV 1 I 1 I 1 J 1 J 1 K...
Page 25: ...UNIDEN 2020 Sid 25 26...
Page 26: ...UNIDEN 2020 Sid 26 26...