Akai UCK 2 Service Manual

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Akai UCK 2 Service Manual

Extracted text from Akai UCK 2 Service Manual (Ocr-read)


Page 1

FM AM STEREO TUNER

MO DEL U c " K 2
STEREO INTEGRATED AMPLIFIER

MODEL UC-U 2
MODEL UC-M2

STEREO CASSETTE DECK

Page 12

Adjustment Adjustment
Step Item Point Result Remarks
Selector to AM. 600 kHz, 34 dB from
1 IF Amp Gain R107 (1 k) 50 mV (OUTPUT) ssc to TPl input.
Modulation: 1 kHz, 30%
530 kHz 50 dB input.
2 L°w R1"? scale T103 (RED) Maximum Ontput Scale indicator to 530 kHz.
Indication . .
Error: wrthm 2%
3 Low Range T1130: $231: ) Mfimmu‘mnggtuog‘i’én 530 kHz 50 dB input.
Sensitivity a . n m Less than 10% Distortion Factor
C011 Factor
. 1600 kHz 50 dB input.
4 High Range Scale C60 Maximum Output Scale indicator to 1600 kHz.
Indication (Front End) . .
Error: w1thm 2%
5 High Range 059 MM?”T""B::J§:II 1600 kHz 50 dB input.
Sensitivity (Front End) mm 111 Less than 10% Distortion Factor
Factor
1. Detune, then tum R516 (50 k) and temporarily light Signal
LED 1.
6 Slgna-l LED R516 (50 k) 2. Tum R516 (50 k) m counterclockwrse d1rect10n until LED l
Sensmvrty goes out,
3. Input 1000 kHz, 90 to 120 dB from the AM ANT terminal
and check that signal LED 4.

NOTE: For the best results, repeat Steps 1 through 5 two or three times.

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