Sharp 21V-FW100S Service Manual page 30

21V-FW100S
MODEL NAME
ADJUSTMENT
ITEM
ADJUSTMENT
POSITION
CONTOROL I2C BUS CONTROL
PRE-ADJUST
OPTION SET UP, BUS SET UP, VCO ADJ, RF-AGC, MS-LEVEL,
REQUIREMENT
STEREO SIGNAL SIGNAL 1 : MODULATION 30%, L-CH ONLY, NR-ON, 300Hz
CONTENT
INPUT
RF INPUT
CONDITION
IC 3001 39 PIN
OUTPUT
1) INPUT SIGNAL 1, ADJUST BUS DATA OF M04 UNTIL THE OF 39 PIN BECOME MINIMUM LEVEL.
2) INPUT SIGNAL 2, ADJUST BUS DATA OF M05 UNTIL THE AC VOLTAGE 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.
ADJUSTMENT
PROCEDURE
[CONFIRMATION ]
HISTORY
OF REVISION
SEPARATION ADJUSTMENT
M04,M05
SIGNAL 2 : MODULATION 30%, L-CH ONLY, NR-ON, 3kHz
OVER 25 dB
REVISED CONTENT .
SYMBOL
21V-FW100S
STEP RANGE
(CHECKING SPEC : OVER 20 dB)
5 – 19
0-63