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1
No.
Pin Name
51
RY BS
A
52
RY C/R
53
RY A
54
RY- HP
55
RY- AC
56
HP DET
57
A MUTE
58
V+5V
59
DSP HREQ2
60
GND
61
EVR CLK
62
5V
B
63
EVR DT
64
GND
65
SY DET
66
4052A
67
4052B
68
MRVSW2
69
MRVSW1
70
VIDEO3
71
VIDEO2
72
VIDEO1
C
73
OL DET
74
DC PROT
75
RDS CLK
76
RDS DT
77
RDS FM+
78
MR MUTE
79
MICSEL
80
BIAMP
81
TUNED DO
82
TUNER CLK
83
TUNER DI
D
84
TUNER CE
85
MRDATA
86
OSDRST
87
OSDCS
88
OSDCT
89
WATT IN1
90
NC
91
FAN DRIVE
92
FAN STOP
93
TEMP1
94
SIMUKE1
E
95
SIMUKE2
96
AVSS
97
–
98
VREF
99
AVCC
100 NECK
F
138
1
2
I/O
O
Speaker relay B ON/OFF
O
Rear / Center relay ON / OFF
O
Speaker relay A ON/OFF
O
Headphone relay ON / OFF
O
AC relay ON / OFF
O
Headphone detection H: detected.
O
System mute
L: Mute ON
−
5V power supply
I
Error detection signal of DSP2 microcomputer
−
Ground
O
Clock signal for evectronic volume
−
5V power supply
O
Data signal for evectronic volume
−
Ground
O
System detection
O
Output switching control signal 1 of surround back ch
O
Output switching control signal 1 of surround back ch
O
Function SW control (Strobe)
O
Function SW control (Clock)
O
SWSP detect
O
SWSP detect
O
Control IC(NJM2296) : Video in put select
I
Amp. overload detection
I
DC detection L: Detection
O
"L" fixed
O
"L" fixed
O
"L" fixed
O
Multi room mute
L: Mute ON
O
MIC select
I
I
Data input signal of tuner contror (pullup)
O
Clock signal of tuner control
O
Data output signal of tuner control
O
Chip select signal of tuner control
O
Multi room data
O
OSD-IC reset signal L: reset H: release reset
O
OSD-IC chip select signal
O
OSD-IC rewriting
I
Wattage detection
Level detection with A/D
I
Not used
O
"L" fixed
I
Fan forced stop detection
I
Temperature detection Level detection with A/D
I
Destination read 1
I
Destination read 2
−
Connect to VSS
O
NC
−
Connect to VCC
−
Connect to VCC
O
Destination read 2
2
3
Pin Function
L: Detection
VSX-52TX
3
4
Active
H
L
H
L
H
L
L
A/D
A/D
H
L
4
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