Sharp 21v-r70MM - RF-AGC Adjustment (V08)

21V-R70MM
5 – 12
ADJU S T ME NT
ITE M
ADJU S T ME NT
POSITION
CONTROL
PRE-ADJUST
REQUIREMENT
CONTENT
INP UT
COND ITIO N
OUTPUT
ADJ US TME NT
PROCEDURE
SYMBOL
T U NE R AG C TE R MINAL (TP 201) O R CR T DIS PL AY C O NFIR MATIO N
(AT SELF ADJUSTMENT MODE)
1.G O TO S E R V ICE MO DE
2.G O T O S E R V IC E DATA V 08, PR ES S R /C T O O PE AR AT E AUTO -AGC K E Y AND C O NF IR M
THEOKDISPLAYONTHESCREEN.
3.IF AP P E AR NG PL S R E PE AT S TE P 2 AGAIN .
(AT MANUAL A DJ US T ME NT MODE )
1.A DJ US T THE V08 B US D A T A UNT I L AG C T E R MINAL V OLT A G E BE C OME MAXI MUM,
T
HE N D R OP 0.1 V BE LOW MAXIMUM VOLT A G E .
[VOL TAG E C ONFIR MAT ION ]
MAX - 0 .1 V dc
I2C C O N TR O L
OPTION S ET UP, BUS S E T UP
US 10C H HALF C OLOR B AR
RF INPUT
F IE L D S TR E NG T H 53dB
MOD E L N AME
RF-AGC
V 08 S TE P R ANGE 0-127
21V -R 70MM
HIS TOR Y
OF R E V IS ION
REVISED CONTENT .
2. C HAN G E TH E ANT E NNA INPU T S IGNAL T O 63~67 dBuV , AN D MAK E S U R E THE R E IS
NO NO IS E
3. C HAN G E TH E ANT E N NA INPU T S IGN AL T O 90~95 dBuV T O B E S U R E T H AT T H E R E IS
NO C R OSS MODULATION BE AT.