C148CTL DX ALIGNMENT PROCEDURE
STEP
PRESET ТО ADJUSTMENT
REMARKS
3
Same as Step 1,
except:
Mic Input: 30mV
lKHz
L65
Restore PC-834. Turn the oore to the
bottom.
4
Same as Step 3 L64, L66,
and L67.
Adjust for maximum reading on RF VTVM
(across 50ohm Dummy Load) .
5
Same as Step 3 L65
Set the Band: HI, CH 40. And adjust for
maximum reading on RF VTVM. Then turn the
Band: Low, CH 1. Readjust for equalized
output pcwer.
6 Same as Step 1,
except:
Mode : AM
Mic Input 90%
L54
Adjust for maximum reading on RF VTVM
(Final Output Adj.).
7 Same as Step 3
VR7
Adjust ALC for 24.5V reading on RF VTVM
(12w/50ohm Single tone).
8
Same as Step 1 VR4
Adjust for minimum reading on Oscilloscope
for both USB abd LSB (minimum carrier Adj.).
9
Same as Step 1,
except:
Mode : AM
VR11
Adjust for 5.0W reading on RF Pcwer Meter
(AM carrier output adj.).
10
Mic Input: 30mV
lKHz
VR8 Set the meter SWto S/RF position. Adjust
the VR8 so that the radio's meter reads
5W (between Green zone sind Red zone) , "S"
meter adj.
11 Same as Step 1,
except:
AM Mode
Mic Input: 30mV
lKHz
VR5
Adjust for 90% modulation on Oscilloscope
(AM modulation adj.).
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