Kenwood CX 402 W HU Service Manual

Page 4

r\
\J

CX7420A(K)]NT1P 01.7.610:47AM NH? 4

/\
\/

CX-402A/402R/402W

MICROCOMPUTER'S TERMINAL DESCRIPTION

(x14-) Ic11 : u-COM

PSZT PORT NAME l/O FUNCTION OPERATING CONDITION
56 GND - GND.
57-59 - - -
60 CD-SW2 I CD SW2. "L : SW on. "H" ; SW off.
61 W I CD SW1. "L : SW on. "H" : SW ott.
62 m | CD mute. "L" : Mute on. "H" : Mute off.
63 W 0 CD reset. "L" : Reset. "H" : Other.
64 W 0 CD stop. "L : Stop. "H" ; Other.
65 CD m/EJ l/O CD loading/eject control. : Loading. "H" : Eject.
66 CD MOTOR 0 CD motor driver SW. : Motor drives. "L" : Motor does not drive.
67 CD SW3 I CD SW3. : SW on. "L" : SW off.
68.69 - - -
70 REF CON 0 ND port reference voltage. "H" : ACC on. "L" : Other.
71 AVDD - AVDD.
72 GND - GND.
73 AVREF | ND port reference voltage.
74 TYPE1 | Destination setting 1. "H" : AUX exists. "L" : AUX does not exist.
75 TYPE2 | Destination setting 2.
76.77 - - -
_ _ _ _ "L" : Stereo broadcasting station.
78 STEREO | Stereo broadcasting station detection. ,, ,, _ . .
H . Monaural broadcasting station.
79 S METER I S-meter. S-meter checks level during searching ASL.
S-meter reads level during SD is H.
_ "H" : FM signal exists.
80 FM SD I FM SD demot'on' "L : FM signal does not exist.
_ "H" : AM signal exists.
81 AM SD I AM SD detecmn' "L : AM signal does not exist.
82 - - -
83 HANDLE I handle remote control.
84 HEAT I Heat protection detection.
85 - - -
86 Navigation-L 0 Navigation L-ch voice signal input SW. "I: :.g:]\:gation votce Signal Input.
87 m 0 Rear L/Ft-ch mute. : Mute on. "H" : Mute ott.
88 W 0 Front R-ch mute. : Mute on. "H" : Mute off.
89 m 0 Front L-ch mute. : Mute on. "H" : Mute ott.
90 TST | For test mode. "L :Test mode. "H" : Other.
_ . . . _ _ _ "H" : Navigation voice signal input.
91 Navtgation-Ft O Navtgation Ft-ch votce Signal Input SW. .. ..
L : Other.
92 EV CE 0 E-volume chip enable.
93 PLL CE 0 PLL chip enable.
94 EPR DATA l/O EEPFIOM data.
95 - - -
96 EPR CLK O EEPFIOM clock.
97 - - -
98 PLL DO 0 PLL data.
99 PLL CLK O PLL clock.
100 CD DATA l/O CD data.