![background image](http://html.mh-extra.com/html/haier/htr20-a/htr20-a_service-manual_138151015.webp)
15
11
:
OFF OFF
Bit4:AFC Fix
NOIS
09
Bit 3-0:Compare to NOISE DET
Bit 7-2:No use
Data Description
Bit 1,0:AFC GAIN
Data Description
Blanking period Picture period
00
:
2 1
01
:
4 2
10
:
2/3 1/3
HAFD
01
11
:
OFF OFF
Bit 7:VCO readjust when position
select
0
:
disable
,
1
:
enable
Bit 6:Select f0 of chroma BPF
00
:
BPF
(
AV
)
01
:
TOF1
(
F0=5MHZ
)
RF
10
:
TOF2
(
F0=6MHZ
)
RF 11
:
TOF3
(
F0=7MHZ
)
RF
Bit 4:BPF-SW
0
:
Normal
,
CVBS signal passes along BPF
1
:
By pass
,
CVBS signal doesn't pass
along BPF.
NBit 3:ouse
Bit 2:Nyquist Buzz cancel
0
:
Nyquist Buzz cancel
,
on 1
:
off
Bit 1:Nouse
FLG0
24
Bit 0:Over mode
0
:
Normal 1
:
PIF over modulation
switch on
Bit 7,6,5:Nouse
Bit 4:MainBoard SW
0
:
TV
:
00
,
AV2
:
01
1
:
TV
:
01
,
AV2
:
00
Bit 3:Horizontal side blanking
0
:
Off
1
:
On
Bit 2:Nouse
Bit 1:V ramp bias
0
:
Y/C VCC
V ramp bias
1
:
IC
FLG1
1A
Bit 0:CW SW
0
:
Off 1
:
On
Bit7,6:Audio Monitor Out
00
:
depand on Audio sw 01
:
TV
10
:
Mute 11
:
Mute
Bit5,4:C Trap MD
00
:
interlocking video sw 01
:
as 00
10
:
not interlocking C-trip off 11
:
not interlock
ctrip on
Bit3:Halftone Gain
0
:
Main
:
OSD = 30%
:
70%
1
:
Main
:
OSD = 50%
:
50%
Bit2:U/V Switch
0
:
Cb/Cr
,
Cr input(#21)gain up
,
+3dB
;
1
:
U/V
Bit1:Sharpness f0 frequency
0
:
2.75MHz
SHARPNESS f0 switch
1
:
4MHz
VCD0
08
Bit0:Sync. skew switch
VCD1
00 Bit7,6:Nouse
Summary of Contents for HTR20-A
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