Service manual

27-1

27-2

20F630

CU20F630

ADJUSTMENT

ITEM

ADJUSTMENT

POSITION

CONTROL

PRE-ADJUST

REQUIREMENT

CONTENT

INPUT

CONDITION

OUTPUT

ADJUSTMENT

PROCEDURE

1) INPUT SIGNAL 1, ADJUST BUS DATA OF M04 UNIT THE OF 39 PIN

BECOME MINIMUM LEVEL.

2) INPUT SIGNAL 1, ADJUST BUS DATA OF M04 UNIT THE AC VOLT-

AGE OF 39 PIN BECOME MINIMUM LEVEL.

3) REPEAT STEP 1) AND 2).

SET THE SOUND VOLUME TO MAXIMUM THEN MAKE SURE THE

READING FROM THE SPEAKER TERMINAL MUST BE OVER THE SPEC

AS SPECIFIED BELOW.

SEPARATION ADJUSTMENT

M04, M05 STEP RANGE 0~63

C BUS CONTROL

OPTION SET UP, BUS SET UP, VCO ADJ, RF-AGC, MS-LEVEL, MTS-VCO, FILTER

STEREO SIGNAL SIGNAL 1,: MODULATION 30%, L-CH ONLY, NR-ON, 300Hz

SIGNAL 2,: MODULATION 30%, L-CH ONLY, NR-ON, 3kHz

RF INPUT

IC 3001 39 PIN

[CHECKING SPEC]

OVER 25 dB (CHECKING SPEC : OVER 20 dB)