21V1-L
5 – 9
ADJ USTMENT
ITEM
ADJ USTMENT
POSITION
CONTROL
PRE-ADJ UST
REQUIREMENT
CONTENT
INPUT
CONDITION
OUTPUT
ADJ US TMENT
P ROCEDURE
MODEL NAME
RF-AGC
V 09
STEP RANGE
0-127
21V1-L
TUNER AGC TERMINAL (J A402 ) OR CRT DISPLAY 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 CONTROL
OPTION SET UP, BUS SET UP
US10CH HALF COLOR BAR
RF INP UT
FIELD S TRENGTH
56d B
Ǵ
V
(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.
Содержание 21V1-L
Страница 32: ...21V1 L 7 1 TV 21V1 L Service Manual 21V1 L Market E CHAPTER 7 CHASSIS LAYOUT ...
Страница 33: ...21V1 L 8 1 TV 21V1 L Service Manual 21V1 L Market E CHAPTER 8 BLOCK DIAGRAM ...
Страница 34: ...21V1 L 8 2 ...
Страница 35: ...21V1 L 8 3 ...
Страница 37: ...21V1 L 10 1 TV 21V1 L Service Manual 21V1 L Market E CHAPTER 10 SCHEMATIC DIAGRAM ...
Страница 38: ...21V1 L 10 2 ...
Страница 39: ...21V1 L 10 3 ...
Страница 41: ...21V1 L 11 2 3 0 1 81 7 KLS 3DUWV 6LGH ...
Страница 42: ...21V1 L 11 3 3 57 81 7 LULQJ 6LGH ...
Страница 43: ...21V1 L 11 4 3 57 81 7 KLS 3DUWV 6LGH ...
Страница 57: ...21V1 L 14 ...