Sony PS-LX285 Instrukcja serwisowa - Strona 5

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PS-LX100/LX285

SECTION

ADJUSTMENTS

Speed Adjustment

Note: Be sure to perform 33-rpm adjustment before 45-rpm.

— Using a stroboscope board —

— Using a test record —

1. Puta

stroboscope board on the mat.

1. Puta

test record (YFSC-16) on the mat.

2. Set the SPEED switch to 33.

2. Move the arm onto a-2 (3kHz) section and trace it.

Depress the lifter knob to make a lift-up mode and move the arm

3. Adjust M101(L) so that the frequency is 2,991 —3,009 Hz.

above to the outer most groove of a record.

4. Set the SPEED switch to 45.

Adjust M101(L)

so that the striped pattern of stroboscope

Adjust M101(H) so that the frequency is 4,038 —4,062 Hz.

board is stationary.

3. Set the SPEED switch to 45.

Adjust M101(H) in the same way.

Adjustment Location:

SPEED

ADJUST

"—

'HO

451m

\ LO 33mm

Noe

go>

'HO

45m

33 rom

oe"

Automatic Return Position Adjustment

. Puta test record (YFSC-16) on the mat.

. Set the SPEED switch to 33 and move the tonearm on a return

check groove.

. Turn the Adjustment screw so that the tonearm starts to return

at count of 4 — 10

count increase

count decrease

adjustment screw