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Pin No.
Pin Name
I/O
Function
52
STANDBY
I
Stand by signal input terminal (Fixed at “H”)
53
N.C.
—
Not used (open)
54
DISPMR
I
Communication request signal input from the FL drive controller (IC105)
55
DISPDATA
I
Serial data signal input from the FL drive controller (IC105)
56
SLVDATA/REQ
O
Communication request signal output to the FL drive controller (IC105)
57
DISPCLK
I
Serial data reading clock signal input from the FL drive controller (IC105)
58
LAT
O
Latch pulse signal output to the audio selector (IC202, 291)
59
DATA
O
Data signal output to the audio selector (IC202, 291)
60
CLK
O
Serial data reading clock signal output to the audio selector (IC202, 291)
61
DATAIN
I
PLL data signal input from the tuner unit (FE201)
62
AUTSTOP
I
PLL auto stop signal input from the tuner unit (FE201)
63
STEREO
I
PLL stereo signal input from the tuner unit (FE201)
64, 65
N.C.
—
Not used (open)
66
HIFI/ES
I
Not used (Fixed at “L”)
67
PROTEC
I
Amp output protect signal input terminal “L”: protect
68
VIDEO-A
O
Video input select signal “A” output to video input selector (IC803, 804, 811)
69
VIDEO-B
O
Video input select signal “B” output to video input selector (IC803, 804, 811)
70
VIDEO-E
O
Video input select signal “E” output to video input selector (IC803, 804, 811)
71
VIDEO-INH
O
Video monitor protect signal output terminal Not used (open)
72
FUNMUTE
O
Input mute signal output terminal
73
TUNERMUTE
O
Tuner mute signal output to the tuner unit (FE201)
74
SURR-MUTE
O
Surround mute signal output terminal
75
ALLMUTE
O
All mute signal output terminal Not used (open)
76
RM-MUTE
O
Signal level –20 dB mute signal output terminal
77
RESET
O
System reset signal output to the FL drive controller (IC105)
78
RY-FRONT/A
O
Front speakers “A” ON/OFF relay control signal output terminal “H”: on
79
RY-FRONT/B
O
Front speakers “B” ON/OFF relay control signal output terminal “H”: on
80
RY-FRONT
O
Front speakers ON/OFF relay control signal output terminal Not used (open)
81
VSS
—
Ground terminal
82
XO
O
System clock signal output terminal (4 MHz)
83
XIN
I
System clock signal input terminal (4 MHz)
84
VCC
—
Power supply terminal (+5 V)
85
RY-PREAMP
O
Pre out ON/OFF relay control signal output terminal “H”: on
86
RY-CENTER
O
Center speaker ON/OFF relay control signal output terminal “H”: on
87
RY-REAR
O
Rear speakers ON/OFF relay control signal output terminal “H”: on
88
RY-HP
O
Headphone ON/OFF relay control signal output terminal “H”: on
89
RY-4/8
O
Speaker impedance select relay control signal output terminal “H”: 4
Ω
90
RY-POWER
O
Power ON/OFF relay control signal output terminal “H”: on
91 to 93
N.C.
—
Not used (open)
94
RY-DIRECT-PASS
O
Direct-pass relay control sinal output terminal “L”: pass
95
RY-HD
O
Rear, center direct-pass relay control signal output terminal Not used (open)
96, 97
N.C.
—
Not used (open)
98
DIG-IN2
O
Digital input select signal “C” output to the optical in select switch (IC3313)
99
DIG-IN1
O
Digital input select signal “B” output to the optical in select switch (IC3313)
100
DIG-IN0
O
Digital input select signal “A” output to the optical in select switch (IC3313)
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