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Pin No.
I/O
Terminal name
52
O
LED1
53
O
AV S
54
O
LED2
55
O
AV P
56
DEF
57
O
EPCS
58
O
DACS
59
O
FLOF
60
O
IN H
61
I
PSW
62
O
SMUTE
63
65
O
PMUTE
79
O
FMCS
• Block Diagram
Operation function
LED control (green)
DVD/TV control
LED control (red)
DVD/TV control
Defeat output
EPROM chip select
DAC chip select
DVD video mute
External input control
Not used.
Audio mute output
Video mute output
Not used.
LED control
"H" is output during TV tuner reception.
LED control
"H" is output during TV tuner reception
and external input.
H ... External synchronization (normal)
L ... Internal synchronization (in the auto
H ... During data transmission/reception
L ... When data is not transmitted.
H ... During data transmission to DAC
L ... When data is not transmitted.
H ... Normal
L ... DVD video mute
H ... External input, L ... DVD/TV mode
L ... Speaker sound mute
H ... Normal
L ... Video mute
H ... Normal
49
Remarks
preset mode/during OSC adjustment)
with E
2
PROM
DV-L78U
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