Kenwood DPX-7010MD Service Manual page 4

Md cd dsp receiver
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DPX-7010MD
Pin
Pin Name
46
PN_SCCON
47
CD_MSTOP
48
CD_LO/EJ
49
CD_MOTOR
50
CD_SW3
51
NC
52
CD_AMUTE
53
CD_SW2
54
NC
55
TYPE0
56
SEL1
57
SEL2
58
MD_LOE_SW
59
MD_LOAD
60
MD_EJECT
61
MD_MSTOP
62
Vcc
63
NC
64
Vss
65~70
NC
71
MRST
72
MD_AMUTE
73
MD_LOS_SW
74
MD_DET_SW
75
CD_SW1
76~79
NC
80
FMSD
81
REAR/NF
82
FM+B
83
AM+B
84
MD/DC
85
NAVI_MUTE
86
PCON_IN
87
REQH
88
ILLUMI
89
REFCON
90
PW_MUTE
91
MUTE
92~95
NC
96
Avss
97
FSD_OUT
98
Vref
99
Avcc
100
DSP_XLAT
4
MICROCOMPUTER'S TERMINAL DESCRIPTION
I/O
Description
O
Communication control between panel microcomputer
O
CD mechanism microcomputer stop terminal
I/O
CD loading/eject control terminal
O
CD loading motor control terminal
I
CD mechanism SW3 detection terminal
O
Not used.
I
CD MUTE request terminal
I
CD mechanism SW2 detection terminal
O
Not used.
I
Destination switch
I
IC2 noise canceller switch
I
IC2 noise canceller switch
I
MD play standby position detection switch
O
MD mechanism control motor terminal 0
O
Disk eject control motor terminal 1
O
MD mechanism microcomputer stop request
-
O
Not used.
-
O
Not used.
O
CD & MD mechanism microcomputer reset terminal
I
Mute request terminal from MD mechanism control
I
MD play standby position detection switch
I
MD eject complete switch (PACK DET)
I
CD mechanism SW1 detection terminal
O
Not used
I
FM station detection terminal
O
Preout Rear/NF switching control terminal
O
FM power source terminal
O
AM power source terminal
O
MD/CD IC2 input control terminal
I
Navi. mute
I
External amplifier over current control terminal
O
External channel transmission request terminal
I
Illumination detection terminal
O
A/D reference voltage output
O
Power IC mute control terminal
O
Mute terminal
O
Not used.
I
Ground
I
S-meter input terminal
I
A/D reference voltage output
I
O
DSP write request terminal
Processing Operation
L: Mechanism stop
L: Disk at switch position
H: Mute on
L: Disk at switch position
H: J type, L: M type
L: Disk at switch position
L: Mechanism stop
H: Normal, L: Reset
H: Mute On
L: Key interruption
L: Rear
H: On
H: On
L: CD
L: Navi. mute
H: Protection operation
H: Small lamp off
H: Key interruption
H: All off
H: Mute on
H: 1.9V, FM station detected

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