11
AVR-1803/883
Pin
No.
Pin Name
Function
I/O
24
RELAY SPK A
O
FRONT RELAY
25
RELAY SURR
O
SURROUND RELAY
26
RELAY CNT
O
CENTER RELAY
27
RELAY H/P
O
H/P RELAY
28
FUNC UP
I
ENCODER INPUT(FUNCTION)
29
H/P DETECT
I
H/P DETECT
30
FUNC DOWN
I
ENCODER INPUT(FUNCTION)
31
NC
32
CNT MUTE
O
CENTER MUTE
33
FRONT MUTE
O
FRONT MUTE
34
SURR MUTE
O
SURROUND MUTE
35
NC
36
NC
37
NC
38
FL DRV RESET
O
LC75721NE RESET
39
RELAY POWER
O
POWER RELAY
40
RESET
I
RESET
41
GND
I
42
XTAL
43
EXTAL
44
FL DRV CE
O
LC75721NE CE
45
FL DRV DATA
O
LC75721NE DATA
46
FL DRV/2090 CLK
O
CONTROL CLOCK
47
2090 DATA
O
BU2090F DATA
48
VOL DOWN
I
ENCODER INPUT(VOLUME)
49
VOL UP
I
ENCODER INPUT(VOLUME)
50
SEL DOWN
I
ENCODER INPUT(SELECT)
51
SEL UP
I
ENCODER INPUT(SELECT)
52
AV
SS
53
V
REF
54
AV
DD
55
NC
56
GND
57
STEP OPT
I
AREA SELECT
I
MODEL SELECT
I
KEY INPUT
I
KEY INPUT
I
KEY INPUT
I
TUNER STEP SELECT
I
PROTECTION
I
LC89057 INTERUPT
O
MELODY32 CLOCK
O
CODEC CE
68
M32 RESET
O
MELODY32 RESET
69
NC
70
STBY LED
O
STANDBY LED
71
NC
72
NC
73
NC
74
NC
75
SURR BACK MUTE
O
SURROUND BACK MUTE
76
KIC9459 CE
O
KIC9459 CONTROL
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