Kenwood KRC-X838, Руководство по обслуживанию

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KRC-Z965,X838
6
Pin No. Pin Name I/O Description Processing Operation
88 KR1 I Key return 1 input
89 SC REQ O Communication request output to the system MI-COM. Lo: Standby, Hi: Request
90 NC O Not used(N.C.)
91 SC CON I Control input from the system MI-COM. Hi: Operation mode
92 NC O Not used(N.C.)
93 SOURCE I Source key input Lo: Key OFF, Hi: Key ON
94 VREF CON O A/D converter reference voltage control output Hi: Active, Connected to AVREF terminal
95 MC REQ I Communication request input from the system MI-COM. Hi: Request
96 KS4 I/O Key scan output 4
97 KS3 I/O Key scan output 3
98 KS2 I/O Key scan output 2
99 KS1 I/O Key scan output 1
100 MC DATA I Data input from the system MI-COM.
MICROCOMPUTER'S TERMINAL DESCRIPTION
●
IC1 (ELECTRIC UNIT : X25-923X-XX)
Pin No. Pin Name I/O Description Processing Operation
1 MC DATA I/O Data input/output with the panel MI-COM.
2 MC CLK O Clock output to the panel MI-COM.
Lo: DSI ON, Hi-Z: DSI OFF
3 DSI GUIDE I/O DSI control output
Lights on at the panel tilted during POWER ON mode.
Flashing at the panel detached during POWER
ON mode.
4
EJECT KEY G
O Eject key illumination green control output
Lo: ON, Hi: OFF
Lights on at the panel tilted during POWER ON
mode in case of the key illumination green.
5
EJECT KEY R
O Eject key illumination red control output
Lo: ON, Hi: OFF
Lights on at the panel tilted during POWER ON
mode in case of the key illumination red.
6
MC REQ/FLIP
I/O
Communication request output to the panel MI-COM. Hi: Request
/Flip detection input
/Lo: Panel detached, Hi: Panel attached
7 IC2 SDA I/O Data input/output with IC2, IC5, and IC25
8 IC2 SCL I/O Clock input/output with IC2, IC5, and IC25
9 EVDD - Positive power supply connection terminal Connected to BU 5V lines.
10 EVSS - Ground connection terminal Connected to GND lines.
11
PAN RESET
O Reset output to the panel MI-COM. Lo: Reset or Momentary power down detected
12 BEEP O BEEP output
13 REMO I Data input from the wired remote control
14 SVR O SVR output Not used(N.C.)
15
DIMMER
I Small lights detection input Lo: During vehicle small lamps turn on.
16 PLL DATA I/O Data input/output with F/E
17 PLL CLK I/O Clock input/output with F/E
18 P STBY O POWER IC STBY output Lo: Power IC OFF, Hi: Power IC ON or ALL OFF mode
19 P CON I/O P-CON output
Hi-Z: POWER OFF mode or ALL OFF mode, Hi:
POWER ON mode
20 ANT CON O ANT-CON output Not used(N.C.)
21 TEST - Test terminal Not used(Connected to GND lines)
22
P MUTE
O POWER IC mute output Lo: Muting (during POWER OFF, ALL OFF, TEL MUTE)
23
PAN5V
I/O Panel 5V control output Lo: Panel attached normally, Hi-Z: Panel detached or tilted
Bass boost OFF__Hi: 160msec, Lo: 40msec
24
EXT AMP CONT
O External amp. control output (in 200msec) Bass boost LOW__Hi: 130msec, Lo: 70msec
Bass boost HI__ Hi: 100msec, Lo: 100msec
25 DOLBY O DOLBY ON/OFF switching output Lo: Dolby NR OFF, Hi: Dolby NR ON
26 MUSIC I Music blank detection input Lo: Music signal detected, Hi: Music signal not detected
27
BU DET
I Momentary power down detection input
Lo: BU ON, Hi: When momentary power down
detected or BU OFF
28
ACC DET
I ACC detection terminal Lo: ACC ON, Hi: ACC OFF
29
SW5V
I/O SW5V control terminal Lo: SW5V ON, Hi-Z: SW5V OFF
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