1-2 am(mw),l w ,sw1,sw2 adjustment – Samsung MAX-B550 User Manual

Page 3

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Alignment

and

Adjustments

1-2

Samsung

Electronics

1-1-2

AM(MW),L

W

,SW1,SW2

Adjustment

Circuit

Measuring Instrument &

Step

S.S.G

Radio dial

Adjusting

Adjust for

to be

Arrangement

Frequency

Setting

Point

Adjusted

1

522KHz

522KHz

MW OSC

Aduust for

1.0V

(

0.1V at the low

.

OSC Connect

AM

signal

(IR1

17)

generator to loop

antenna,VTVM AND

oscilloscope

2

161

1KHz

161

1KHz

MW OSC

Check for 7.0V

(

1.0V at the high.

(Fig 1-3)

(IR1

17)

AM

(MW)

RF

1

594KHz

594KHz

MW ANT

Maximum

out

INTER FREQ

1

455KHz

522KHz

TL2

Maximum out

OSC

Fig 1-3

1

146KHz

L

W

OSC

Aduust for

2.0V

(

0.1V at the low

.

L

W

2

290KHz

L

W

OSC

Check for 7.0V

(

1.0V at the high.

RF

1

150KHz

150KHz

L

W

ANT

Maximum

out

OSC

Fig 1-3

1

2.3MHz

SW1 OSC

Aduust for

1.0V

(

0.1V at the low

.

SW1

2

7.3MHz

-

Check for 8.5V

(

1.0V at the high.

RF

1

3.5MHz

3.5MHz

SW1 ANT

Maximum

out

OSC

Fig 1-3

1

9.5MHz

SW2 OSC

Aduust for

1.5V

(

0.1V at the low

.

SW2

2

26.1MHz

-

Check for 8.0V

(

1.0V at the high.

RF

1

10MHz

10MHz

SW2 ANT

Maximum

out

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