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RXD-M32
Pin No.
Pin Name
51
REC/PLAY
52
BIAS
53
120/70
54
A/B-1
55
A/B-2
56
B-1/2
57
SD
58
STEREO
59
PLL_DATA
60
PLL_DO
61
PLL_CE
62
VCC(B.U)
63
PLL_CLK
64
VSS
65
VOL_CLK
66
VOL_DATA
67
CLOSE_SW
68
OPEN_SW
69
DOOR F
70
DOOR R
71
LCD_RST
72
LCD_CS
73
BACK_LIGHT
74
SP_RERAY
75
PROTECTION
76
H.P SW
77
A_MUTE
78
B.U SW
79
DSTB
80
SEARCH
81
MD_ST
82
MD_RST
83
LOAD SW
84
PDOWN
85
P.RELAY
86
CD_POWER
87
CD_MON
88
CD_SPEED
89
M TYPE CE
90
KEY1
91
KEY2
92
RDS_SLEVEL
93
MD_BUP(NC)
94
PHOTO
95
TYPE
96
AVSS
97
CD DIFFECT
98
VREF
99
AVCC
100
NC
CIRCUIT DESCRIPTION
I/O
O
Deck rec/play control.
O
Deck bias control.
O
Deck EQ. control.
O
Mode selection for deck.
O
Mode selection for deck.
O
Mode selection for deck.
I
SD detector input.
I
Stereo detector input.
O
PLL IC data output.
I
PLL IC data input.
O
PLL IC chip enable.
I
Power supply(+5.0v).
O
PLL IC clock output.
I
GND.
O
Clock output to selector IC.
O
Data output to selector IC.
I
Close detection switch input for CD door.
I
Open detection switch input for CD door.
O
CD door (open) control output.
O
CD door (close) control output.
O
Reset signal output to LCD driver IC.
O
CS signal output to LCD driver IC.
O
Back light control output.
O
Speaker relay control output.
O
Detection input port for protection circuit
I
Headphones detection input.
O
Audio muting control output.
O
Unused.
I
MD STB input port.
O
MD search output.
O
MD ON/CD sync. output.
O
Reset signal output to MD.
I
Loading switch input from MD.
O
MD power supply.
O
Power relay control output.
O
CD power ON/OFF control.
O
CD monitor output.
O
Speed control port for CD.
O
Unused.
I
A/D key (key1) input port.
I
A/D key (key2) input port.
I
RDS Slevel input.
I
Detection port for MD back up.
I
Detection port for deck reel pulse.
I
Discrimination port for destination.
I
GND.
I
Unused.
I
A/D reference voltage(+5V).
I
A/D reference voltage(+5V).
O
Unused.
Description
H = NO TUNED
L = TUNED
H = MONO
L = STEREO
H = OF F
L = ON
H = OF F
L = ON
H = ON
L = OFF
H = ON
L = OFF
H = NORMAL
L = RESET
H = ON
L = OFF
H = PROTECTION ON
H = OFF
L = ON
H = OFF
L = ON
H = ON
L = OFF
H = ON
L = OFF
H = NORMAL
L = AC OFF
H = ON
L = OFF
H = ON
L = OFF
(No backed up 5V)
(backed up 5V)
14
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