Haier HTAF21C Service Manual page 9

AGC Adjustment
Receive 60dBμ (1mV) VH colour bar pattern signal.
Select TOP item.
Adjust value, to noise reduce gradually and just disappeared point.
CRT cut off and white balance adjustment
a) CRT cut off adjustment
1. Select item VG2B, then adjust value to 32.
2. PRESS "0" key, when the screen shows"VG2" adjust the SCREEN control on Fly back
transformer to make the screen show alternating flashing characters of "INSIDE HIGH
INSIDE LOW".
b) White balance adjustment
1. Receive a Black and White pattern.
2. Adjust WRP, WRG, WRB items to get colour temperature 9300K ±3 JND.
Direct access key
"1"
"2"
"3"
"4"
"5"
Items
5/6HSH
5/6VSL
5/6VAM
5/6SCL
5/6VSH
5/6VOF
HOF*
RED
GRN
WPR
WPG
WPB
TOP
VOL
9860
HDOL
AGC
VG2B
IFFS
Picture preset 1
0CON
0BRI
0COL
0SHP
1CON
1BRI
Description
Horizontal shift
Vertical slop
Vertical amplitude
S-correction
Vertical shift
OSD Vertical offset
OSD Horizontal offset
Black level offset R
Black level offset G
White point R
White point G
White point B
AGC Take-over point
Volume
Sub-volume of TDA9860/59
Cathode drive level
IF AGC speed
VG2 Brightness
Listen: Contrast
Listen: Brightness
Listen: Colour
Listen: Sharpness
Soft: Contrast
Soft: Brightness
9
Preset Remark
ON A
32 A
23 A
17 A
27 A
37 A
42 A
32 A
32 A
30 A
26 A
38 A
20 A
42
18
59
1
42
2
0 A
0 A
50 A
50 A
45 A
45 A