Sharp 21V1-L Service Manual

21V1-L
5 – 9
ADJ US TME NT
ITE M
ADJ US TME NT
POSITION
CONTROL
PRE-ADJUST
REQUIR EMENT
CONTENT
INP UT
CONDITION
OUTPUT
ADJ US TME NT
PROCEDURE
MODEL NAME
RF-AGC
V09
STEP RANGE
0-127
21V1-L
TUNER AGC TERMINAL (J A402 ) O R CRT DIS P LAY CONFIRMATION
(AT SELF ADJUSTMENT MODE)
1) GO TO SERVICE MODE
2) GO TO SERVICE DATA
V09
, PRESS R/C TO OPEARATE AUTO-AGC KEY AND CONFIRM THE
OK
DISPLAY ON THE SCREEN.
3) IF APPEAR NG PLS REPEAT STEP 2 AGAIN.
(AT MANUAL ADJUSTMENT MODE)
1) ADJUST THE V09 BUS DATA UNTIL AGC TERMINAL VOLTAGE BECOME MAXIMUM, THEN
DROP 0.1V BELOW MAXIMUM VOLTAGE.
[VOLTAGE CONFIRMATION ]
MAX - 0.1V dc
I2C CO NTR O L
OP TION S ET UP , BUS S ET UP
US10CH HALF COLOR BAR
RF INP UT
FIELD S TRENGTH
56d B
ǴV (FIX)
2. CHANGE THE ANTENNA INPUT SIGNAL TO 63~67 dBuV, AND MAKE SURE THERE IS NO NOISE
3. CHANGE THE ANTENNA INPUT SIGNAL TO 90~95 dBuV TO BE SURE THAT THERE IS NO
CROSS MODULATION BEAT.

Sharp 21V1-L Specifications

General

Brand	Sharp
Model	21V1-L
Category	TV
Language	English