SONY ICFCD820
Instrukcja Serwisowa

SECTION 4 ELECTRICAL ADJUSTMENTS
PRECAUTION � Adjustment should be performed in the order given.
AM IF ADJUSTMENT Adjust for a maximum reading on level meter T1 455 kHz AM (MW) FREQUENCY COVERAGE ADJUSTMENT (Except CD820L: FR) Adjust for a maximum reading on level meter L4 CT4 530 kHz [526.5 kHz] 1,605 kHz [1,606.5 kHz]

TUNER SECTION
[FM] Setting: Function switch: RADIO BAND switch : FM
FM RF SSG

0 dB=1 µV

0.01 µF 22.5 kHz frequency deviation by 400 Hz signal. Output level: as low as possible FM lead wire antenna terminal

AM (MW) TRACKING ADJUSTMENT (Except CD820L: FR) Adjust for a maximum reading on level meter L1 (CD820) L1-1 (CD820L: AEP, UK) CT3 600 kHz [598.5 kHz] 1,400 kHz [1,399.5 kHz]

[AM (MW) /LW] Setting: Function switch: RADIO BAND switch : MW/LW
AM RF SSG Put the lead-wire antenna close to the set.

LW FREQUENCY COVERAGE ADJUSTMENT (CD820L: FR) Adjust for a maximum reading on level meter L4 CT4 160 kHz 240 kHz

LW TRACKING ADJUSTMENT (CD820L: FR)

30% amplitude modulation by 400 Hz signal. Output level: as low as possible

Adjust for a maximum reading on level meter L1-1 160 kHz CT3 240 kHz

level meter 4� set + � speaker terminal

LW FREQUENCY COVERAGE ADJUSTMENT (CD820L: AEP, UK) Adjust for a maximum reading on level meter CT6 145 kHz

� Repeat the procedures in each adjustment several times, and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors.
FM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter L3 CT2 87.5 MHz 108.0 MHz

LW TRACKING ADJUSTMENT (CD820L:AEP, UK) Adjust for a maximum reading on level meter L1-2 CT5 NOTE: [ ] : Italian model � Abbreviation FR : French model 160 kHz 240 kHz

FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter L2 CT1 87.5 MHz 108.0 MHz

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