Circuit Descriptions, Abbreviation List, and IC Data Sheets
9.
2fH/3fH input flow
Figure 9-5 Flowchart 2fH/3fH detection
CL 36532053_079.eps
160703
Put picnic: freerun ON
Mute sound, Blank picture
AV4 on US ?
Put ADC on last status from select. input
get Ebild: sam ples/line, lines/field=STDET1
get Ebild: sam ples/line, lines/field=STDET2
wait >20 m sec
wait >20 m sec
get Ebild: sam ples/line, lines/field=STDET3
STDET1=2=3?
Supp standard ?
sam e standard as last status?
Put ADC: full power
no
yes
yes
no
Put picnic to 1FH
Set ADC to default value
yes
wait 200 msec
1Fh detection in HIP?
yes
yes
no
Unblank, dem ute
Put picnic: freerun OFF
START
Selection
AV5 or AV6 Eur
AV4 or AV5 US
ADC to default value ?
no
yes
no
no
Set ADC, see tookup table
get Ebild: sam ples/line, lines/field=STDET1
get Ebild: sam ples/line, lines/field=STDET2
wait >20 m sec
wait >20 m sec
get Ebild: sam ples/line, lines/field=STDET3
STDET1=2=3?
yes
OSD: Message
no
Supp standard ?
no
yes
wait >20 m sec
Store standard as last status selected input
set Ebild: blue mute
Set FBX, see lookup table
Set EBILD, see lookup table
Unblank, demute
wait: 200 msec