Sharp 21FL94, Руководство по обслуживанию

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26
26-1
26-2
20F650
1)
INPUT
SIGNAL
1,
ADJUST
BUS DA
T
A
OF
M04
UNTIL
THE OF 39 PIN
BECOME MINIMUM LEVEL.
2)
INPUT
SIGNAL
2,
ADJUST
BUS DA
T
A
OF
M05
UNTIL
THE
AC VOL
T
-
AGE OF 39 PIN BECOME MINIMUM LEVEL.
3)
REPEA
T
STEP
1)
AND 2).
SET
THE SOUND VOLUME
T
O MAXIMUM
THEN MAKE SURE
THE
READING FROM
THE SPEAKER
TERMINAL
MUST
BE OVER
THE SPEC
AS SPECIFIED BELOW
.
SEP
ARTION ADJUSTMENT
M04, M05
STEP
RANGE
0~63
I 2
C BUS CONTROL
OPTION SET
UP
, BUS SET
UP
, VCO
ADJ, RF-AGC, MS-LEVEL, MTS-V
CO, FIL
TE
R
STEREO SIGNAL
SIGNAL
1,: MODULA
TION 30%, L-CH ONL
Y
, NR-ON, 300Hz
SIGNAL
2
,: MODULA
TION 30%, L-CH ONL
Y
, NR-ON, 3kHz
RF INPUT IC 3001 39 PIN
[CHECKING SPEC]
OVER 25 dB (CHECKING SPEC : OVER 20 dB)
SYMBOL
REVISED CONTENT
,
ADJUSTMENT ITEM ADJUSTMENT POSITION CONTROL PRE-ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUT ADJUSTMENT PROCEDURE
HIST
OR
Y
OF REVISION
1)
RECEIVE
THE UHF 15 CH.
2)
PUSH
THE DISPLA
Y
KEY
(R/C), MAKE SURE
THA
T
THE OSD.
V
-CHIP
RA
TING DISPLA
Y
IS EQUA
V
ALENCE
T
O
TRANSMISSION
RA
TING.
V
-CHIP
—
STEP RANGE
—
— AFTER ALL
ADJUSTMENT
FINISHED.
UHF 15 CH (V
-CHIP
TRANSMISION SIGNAL
CH)
AC 120V
, RF INPUT
CONFIRMA
TION BY
THE CR
T
.
[VOL
T
AGE COMFIRMA
TION]
SYMBOL
REVISED CONTENT
,
ADJUSTMENT ITEM ADJUSTMENT POSITION CONTROL PRE-ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUT ADJUSTMENT PROCEDURE
HIST
OR
Y
OF REVISION