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