Table of Contents
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Pin Function
No.
Pin Name
I/O
1
XANTECH
O XANTECH ON/OFF
2
KEY 2
I
Key scan input 2
3
KEY 3
I
Key scan input 3
4
KEY 4
I
Key scan input 4
5
KEY 5
I
Key scan input 5
6
KEY 6
I
Key scan input 6
7
VOL-DET
I
Detection of volume position
8
LED CKL
O Clock for IC7071 M66311
9
LED OE
O Output enable for IC7071 M66311
10 LED A
O Data for IC7071 M66311
11 LED R
O Reset for IC7071 M66311
12 T-CK
O Clock for tuner module
13 T-DI
O Data for tuner module
14 T-DO
I
Data from tuner module
15 T-CE
O Chip enable for tuner module
16 TUNED
I
Tuned data from tuner module
17 STEREO
I
Stereo tuned data from tuner module
18 T-MUTE
O Tuner mute ON/OFF
19 NC
O Open
20 DISP CK
I
Clock from IC901 MAIN U-COM
21 DISP DO
O Data for IC901 MAIN U-COM
22 DISP DI
I
Data from IC901 MAIN U-COM
23 DISP RDY
O Data request for IC901 MAIN U-COM
−
24 NC
Open
25 STBY LED
O Standby LED
Sub room LED (MR&S model), EON LED
26 MRS LED
O
(RDS model)
−
27 RDS FM+
VDD for IC7401 BU1923 (RDS model only)
28 RDS DAT
O Data for IC7401 BU1923 (RDS model only)
29 NC
I
(pull-up)
30 RDS CLK
I
Clock for IC7401 BU1923 (RDS model only)
Sub room remote control (MR&S, MR model
31 MR IN
I
only)
32 RMC IN
I
Remote control
33 HP-SW
I
Headphone connect detect
34 NC
I
For unit check test mode detection
35 RESET
I
Reset
36 VOL/UP
O Control for VOIL UP
37 VOL/DN
O Control for VOL DOWN
−
38 XIN
Connect a 7.2MHz oscillator
−
39 XOUT
−
40 VSS
GND
41 VOL+
I
Rotary encoder signal +
42 VOL-
I
Rotary encoder signal -
43 FUNC/R
I
Rotary encoder signal R
44 FUNC/L
I
Rotary encoder signal L
45 G1
O Grid output 1
46 G2
O Grid output 2
47 G3
O Grid output 3
48 G4
O Grid output 4
49 G5
O Grid output 5
50 G6
O Grid output 6
Function
No.
51 G7
52 G8
53 G9
54 G10
55 G11
56 G12
57 G13
58 G14
59 G15
60 G16
61 S1
62 S2
63 S3
64 S4
65 S5
66 S6
67 S7
68 S8
69 S9
70 S10
71 S11
72 S12
73 S13
74 S14
75 S15
76 S16
77 S17
78 S18
79 S19
80 S20
81 S21
82 S22
83 S23
84 S24
85 S25
86 S26
87 S27
88 S28
89 S29
90 S30
91 VCC
92 S31
93 S32
94 S33
95 S34
96 S35
97 S36
98 VEE
99 AVSS
100 VREF
VSX-908RDS, VSX-908RDS-G
Pin Name
I/O
O
Grid output 7
O
Grid output 8
O
Grid output 9
O
Grid output 10
O
Grid output 11
O
Grid output 12
O
Grid output 13
O
Grid output 14
O
Grid output 15
O
Grid output 16
O
Segment output 1
O
Segment output 2
O
Segment output 3
O
Segment output 4
O
Segment output 5
O
Segment output 6
O
Segment output 7
O
Segment output 8
O
Segment output 9
O
Segment output 10
O
Segment output 11
O
Segment output 12
O
Segment output 13
O
Segment output 14
O
Segment output 15
O
Segment output 16
O
Segment output 17
O
Segment output 18
O
Segment output 19
O
Segment output 20
O
Segment output 21
O
Segment output 22
O
Segment output 23
O
Segment output 24
O
Segment output 25
O
Segment output 26
O
Segment output 27
O
Segment output 28
O
Segment output 29
O
Segment output 30
−
Power supply +5V
O
Segment output 31
O
Segment output 32
O
Segment output 33
O
Segment output 34
O
Segment output 35
O
Segment output 36
−
Power supply 5V
−
GND
−
Reference voltage 5V
Function
83
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