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3 7 63 1515 0
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Pin Function
No.
Pin Name
I/O
1
TEMP IN
I/O
2
A MUTE
O Audio mute ON/OFF
3
DSP CS1
O Chip select for IC9501 DSP U-COM
4
DSP RST
O Reset for IC9501 DSP U-COM
5
DSP MUTE
I
6
DSP CS2
I
7
NC
O Open
8
NC
O Open
9
AMPOL
I
10 RESET
I
11 NC
O Open
12 NC
O Open
−
13 GND
14 XIN
I
15 XOUT
O
−
16 VDD
17 NC
O Open
TE
L 13942296513
18 ST3
O Strobe for IC107 TC9163F control
19 CK2
O Clock for IC108 TC9482N control
20 CK3
O Clock for IC107 TC9163F control
21 DT3
O Data for IC107 TC9163F control
22 ST2
O Strobe for IC108 TC9482N control
23 W.UP
I
24 DT2
O Data for IC108 TC9482N control
25 CK1
O
26 ST1
O
27 DT1
O
−
28 GND
29 NC
O Open
30 NC
O Open
31 NC
O Open
I/O O/Open (KU,J,SD), I/Fan stop detecter (other)
32 FAN STOP
33 A RY
O SP A relay ON/OFF
34 B RY
O SP B relay ON/OFF
35 C/S RY
O SP C/S relay ON/OFF
36 HP RY
O Headphone relay ON/OFF
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37 FAN LOW
O Open (KU,J,SD), Fan low (other)
38 FAN DRIVE O Open (KU,J,SD), Fan drive (other)
.
39 AC RY
O AC relay ON/OFF
40 NECK
O Neck ON/OFF (24,26,908,938 only)
http://www.xiaoyu163.com
Function
O/open (KU,J,SD), I/Fan temperature A/D
input (other)
Mute request from IC9501 DSP U-COM
Chip select from IC9501 DSP U-COM
Amp Overload detect
Reset
GND
Connect a 4.19MHz oscillator
Power supply +5V
AC pulse input
Clock for IC101 TC9274N and IC104
TC9163F control
Strobe for IC101 TC9274N and IC104
TC9163F control
Data for IC101 TC9274N and IC104 TC9163F
control
GND
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http://www.xiaoyu163.com
VSX-908RDS, VSX-908RDS-G
2 9
8
No.
Pin Name
I/O
41 MR MUTE
O
42 A MUTE2
O
43 LOUD
O
44 MR-V DT
O
45 MR-V CK
O
46 4052 INH
O
47 4052 B
O
48 4052 A
49 SIMUKE 3
50 SIMUKE 2
I
51 SIMUKE 1
52 SIMUKE 0
53 2296-2
54 2296-5
O
55 2296-3
56 2296-4
57 4051-C
Q Q
3
6 7
1 3
1 5
58 4051-B
O
59 4051-A
60 2279-M
61 2279-2
O
62 2279-1
63 OSD RST
O
64 OSD CS
O
65 SYNC DET
I
66 DSP HCK
O
67 DSP HDI
O
68 DSP HDO
I
69 DISP CK
O
70 OSD CK
O
71 DISP DI
O
72 DISP DO
I
−
73 GND
−
74 VDD
75 DISP RDY
I
76 DISP RST
O
77 DSP OL
I
co
78 WATT IN
I/O
.
79 AMP OL
I
80 DC DET
I
9 4
2 8
Function
Audio mute ON/OFF for sub room (MR&S,
MR model only)
Audio preout mute ON/OFF
Loudness ON/OFF
Data for IC110 M62429FP control (MR&S
model only)
Clock for IC110 M62429FP control (MR&S
model only)
Inhibit for IC102 BU4052BCF control (MR&S
model only)
Control for IC102 BU4052BCF (MR&S model
only)
SIMUKE (pull-up or down)
Control for IC701, 801, 802 NJM2296M
0 5
8
2 9
9 4
2 8
Control for IC831 BU4051BCF
Control for IC731 NJM2279M (MR&S model
only)
Reset for IC752 LC74782M-9011
Chip select for IC752 LC74782M-9011
Detection of synchronizing signal
Clock for IC9501 DSP U-COM
Data for IC9501 DSP U-COM
Data from IC9501 DSP U-COM
Clock for IC7001 DISP U-COM
Clock for IC752 LC74782M-9011
Data for IC7001 DISP U-COM
Data from IC7001 DISP U-COM
GND
Power supply +5V
Data request from IC7001 DISP U-COM
Reset for IC7001 DISP U-COM
m
DSP overload detect, A/D input
O/Open (KU,J,SD), I/Fan wattage input, A/D
input (other)
Amp overload detect, A/D input
Detection of amp power error, A/D input
9 9
9 9
85
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