Akai UC-K2 Service Manual page 12

Step
Adjustment Adjustment
Result
Remarks
Item Point
Selector to
AM.
600 kHz, 34 dB from
I IF Amp Gain
R107 (I k) 50 mV (OUTPUT) SSG to TPl input.
Modulation: I kHz, 30%
Low Range Scale
530 kHz 50 dB input.
2
Indication
TI03 (RED) Maximum Output Scale indicator to 530 kHz.
Error: within 2%
Low Range
TI0l, Tl02 (IF)
Maximum Output
530 kHz 50 dB input.
3
Bar Antenna Minimum Distortion
Sensitivity
Coil Factor
Less than 10% Distortion Factor
High Range Scale
C60
1600 kHz 50 dB input.
4
Indication (Front End)
Maximum Output Scale indicator to 1600 kHz.
Error: within 2%
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High Range
C59
Maximum Output
1600 kHz 50 dB input.
5
Minimum Distortion
Sensitivity (Front End)
Factor
Less than 10% Distortion Factor
1. Detune, then turn RS 16 (50 k) and temporarily light Signal
LED 1.
6
Signal LED
R516(50k)
2. Turn RS 16 (50 k) in counterclockwise direction until LED 1
Sensitivity
goes out.
3. Input 1000 kHz, 90 to 120 dB from the AM ANT terminal
and check that signal LED 4.
Chart-2
NOTE: For the best results, repeat Steps 1 through 5 two or three times .
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