Key Matrix Table - Kenwood DPX-MP4070 Service Manual

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MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
Active
Pin No. Pin Name
(H/L)
75 CD MOTOR
76 L SW MUTE
77 NC
78 L PWIC STBY
79 L PWIC MUTE
80 ES SW
81 ES SEL2
82 ES SEL1
83 H AUD MUTE
84 WOW MODE3
85 WOW MODE2
86 WOW MODE1
87 WOW Focus
88 SRC SEL1
89 BMS CTRL
90 H PON ILL
TE
91 MOTOR+B
L 13942296513
92 H P ANT
93 H P CON
94 L MUTE ACOUT
95 DAVSS
96 H PON
97 SW5V
98 H LX CON
99 LX REQ M
100 DAVDD

KEY MATRIX TABLE

KS1
KI1
LI2
KI3
KI4 WOW
KI5 EQ
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• Multiple push
.
Frequency step switch (K/M destination) : 1 + 5 + SRC
After-sales service test mode in assembly line : ATT + WOW + SRC
DC offset forced clear : DISP + EQ + SRC
I/O
O CD motor control terminal
O Mute control for switch
-
O Power IC standby control
O Power IC mute control
O X'over filter select terminal 3
O X'over filter select terminal 2
O X'over filter select terminal 1
O Audio mute control terminal
O WOW IC control terminal 3
O WOW IC control terminal 2
O WOW IC control terminal 1
O WOW IC control terminal 4
O IC2-5 input source switch
O External amplifier control
O Key illumination control (Flash EPM)
O Cassette mechanism main motor control
Power antenna control terminal
O
(When P. CON is Hi only)
O External amplifier current control
O Mute on ACOUNT line
GND for µ-com
-
O Power supply control
O SW 5V control
O Start-up request to slave unit
O Communication request to slave unit
Power supply for µ-com
-
KS2 KS3 KS4
3 VOL+
2 VOL– SRC
1 ATT
4 5 CD EJ
6 TAPE EJ
x ao
y
i
DPX-MP4070/MP4070B
8
Application
Q Q
3 6 7 1 3
KS5
FM
AM
RESET
DISP
u163
.
2 9 9 4 2 8
Processing Operation
During mute : L
During momentary power down : H
H : MUTE ON
H : ON
1 5 0 5 8 2 9 9 4
H : ANT ON, L : ANT OFF
H : ON
L : MUTE
H : ON
H : ON
H : SLAVE UNIT ON, L : SLAVE UNIT OFF
m
co
9 9
2 8 9 9
7