Service Modes, Error Codes, and Fault Finding
5.
Figure 5-8 Semi Stand-by/Stand-by flowchart
S
EMI
S
TANDBY/
S
TANDBY
S
t
a
rt
M
u
te A
u
dio
WriteProtect for NVM
S
TANDBYn = LOW
S
oftw
a
re
S
h
u
tdown:
BL_ON_OFF = LOW
W
a
it
3
00m
s
S
witch OFF LVD
S
W
a
it 20m
s
LCD_PWR_ON = LOW
End
LED = NO LED
for
S
t
a
nd
b
y
s
oft mode
S
t
a
nd
b
y
us
ing
“power key
”
LED =
RED
No
Ye
s
For DVB
S
et
s
only (
S
emi
s
t
a
nd
b
y)
S
DI PDP => CTRL_DI
S
P1 = HIGH
Off Air Downlo
a
ding/ Recording Mode
IBOZ
s
end
s
h
u
t down comm
a
nd
BL_ADJ
s
top dimming
(PWM d
u
ty cycle 100
%
)
Port A
ss
ignment in
S
TANDBY
3
00m
s
20m
s
Tot
a
l =
3
60m
s
40m
s
W
a
it for
3
000m
s
S
et
s
go to
s
t
a
nd
b
y here
Blocking for the next
s
t
a
rt
u
p to en
su
re
power
su
pply di
s
c
a
rd properly.
Di
sab
le Power Down INT &
DC_PROT_INT
W
a
it for
3
000m
s
Except power t
a
ct
s
witch
BL_ADJ = LOW
(PWM d
u
ty cycle 0
%
)
G_16
8
60_071.ep
s
220207
