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3 7 63 1515 0
IC701 : M30218FCFP (16 bit
No.
PORT
78
P52
79
P51
80
P50
81
P67
82
P66
83
P65
84
P64
85
P63
86
P62
87
P61
88
P60
89
VEE
90
P107
91
P106
92
P105
93
P104
94
P103
95
P102
96
P101
97
AVSS
98
P100
99
VREF
100
AVCC
TE
L 13942296513
KEY input (A-C) Pull-up resistance 10k
Ω
0
V
— 0.556
KEY 0
VOLUME
(98pin)
N
KEY 1
DSP
(96pin)
Destination select input (95 pin A-D) Pull-up resistance 10k
Ω
V
2.778 — 3.333
Destination
J model
(English)
For any voltage that is not within the above range, the applicable destination is EX (English).
SYSTEM CONNECTOR (Pin 90 of IC701)
1. Pin 3 of the system connector (CN602) detects if the subwoofer is equipped / not equipped / faulty.
CN602
SYSTEM CONNECTOR
www
2
4
5
1
8
3
6
7
.
2. When the system connector is not connected or the power of the subwoofer (NX-SW70) is not turned ON, only VIRTUAL
SURROUND and MONO MOVIE functions of the sound field program are available.
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µ
-COM)
Name
IN/OUT
FLD10
OUT
SEGMENT 25 (P25)
FLD9
OUT
SEGMENT 26 (P26)
FLD8
OUT
SEGMENT 27 (P27)
FLD7
OUT
SEGMENT 28 (P28)
FLD6
OUT
SEGMENT 29 (P29)
FLD5
OUT
SEGMENT 30 (P30)
FLD4
OUT
SEGMENT 31 (P31)
FLD3
OUT
SEGMENT 32 (P32)
FLD2
OUT
SEGMENT 32 (P33)
FLD1
OUT
SEGMENT 34 (P34)
FLD0
OUT
SEGMENT 35 (P35)
-
-
P0, P1, P5, P6 pull-down resistance voltage input
AN7
A-D IN
SW protection IN
AN6
A-D IN
AUTO POWER ON/OFF identify IN (music signal)
AN5
A-D IN
Center unit power supply voltage detect IN (protection)
CMOS
OUT
Night mode switching OUT
CMOS
OUT
Center unit power supply OUT
AN2
A-D IN
Destination select input
AN1
A-D IN
KEY 1 input
-
-
Connected to VSS (GND)
AN0
A-D IN
KEY O input
-
-
A-D, D-A reference voltage input
-
-
Connected to VCC terminal (+5V)
Ω
+2k
+1.8k
— 1.111
— 1.667
VOLUME
NO KEY
B
INPUT
NO KEY
16k
27k
3.333 — 3.889
B, G models
(English)
• When the system connector is connected correctly and the subwoofer is operating properly, approximately
4 to 5V voltage is obtained.
• When the system connector is not connected, approximately 2.5V voltage is obtained.
x
ao
y
• When the protection circuit of the subwoofer is at work, approximately 0 to 2V voltage is obtained and
the protection circuit of AV-S70 works together with it.
i
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8
Function
[4.0-5.0V:SW provided, 2.5V:SW not provided, 0-2.0V:SW protection ON]
Q Q
3
6 7
1 3
+2.4k
+3.9k
— 2.222
— 2.778
NO KEY
NO KEY
NO KEY
NO KEY
Ω
51k
3.889 — 4.444
J model
(Japanese)
u163
.
AV-S70/NX-SW70
2 9
9 4
2 8
(VEE internal pull-down)
(VEE internal pull-down)
(VEE internal pull-down)
(VEE internal pull-down)
(VEE internal pull-down)
(VEE internal pull-down)
(VEE internal pull-down)
(VEE internal pull-down)
(VEE internal pull-down)
(VEE internal pull-down)
(VEE internal pull-down)
[-29V]
[0 — VREF]
[0 — VREF]
[1:ON]
[1:ON]
[Pull-up with 10kΩ > VREF]
[Pull-up with 10kΩ > VREF]
[Pull-up with 10kΩ > VREF]
[— VCC]
1 5
0 5
8
2 9
9 4
+5.6k
+10k
— 3.333
— 3.889
NO KEY
NO KEY
NO KEY
NO KEY
m
co
9 9
2 8
9 9
+24k
— 4.444
NO KEY
NO KEY
16
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