Kenwood KDC-X959, Руководство по обслуживанию

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KDC-X959/Z939,Z738,Z838W
7
Pin No. Pin Name I/O Description Processing Operation
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
Hi: During TUNER mode or last FM mode with
RDS/RBDS model
21 TEST - Test terminal Not used(Connected to GND lines)
22 P MUTE O POWER IC mute output
Lo: Muting during POWER OFF mode, ALL OFF
mode and TEL MUTE ON
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-CON O External amp. control output (in 200msec) Bass boost LOW__Hi: 130msec, Lo: 70msec
Bass boost HI__ Hi: 100msec, Lo: 100msec
25 CD MECHA+B I/O CD4.7V ON/OFF output
Lo: During CD source selected, Hi-Z: Except CD
source selected
26 EMUTE O Not used(N.C.)
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
30 MUTE I/O MUTE output Lo: Muting OFF, Hi-Z: Muting ON
31 O CE I/O External display CE terminal
32 O CLK I/O External display clock terminal
33 O DATA I/O External display data terminal
34 RESET I Reset input Lo: System reset, Hi: Normal operation
35 XT1 I Sub clock resonator connection terminal Clock count during POWER OFF mode
36 XT2 - Sub clock resonator connection terminal
37 REGC -
Capacitor connection terminal for regulator inside
microprocessor
38 X2 - Main clock resonator connection terminal
Oscillation: POWER ON mode, Oscillation stop: POWER
OFF mode or momentary power down detected
39 X1 I Main clock resonator connection terminal
40 VSS - Ground connection terminal Connected to GND lines.
41 VDD - Positive power supply connection terminal Connected to BU 5V lines.
42 CLKOUT O Internal system clock output Not used(N.C.)
43 NC O Not used(N.C.)
44 E2PDET I EEPROM detection input Lo: No EEPROM, Hi: With EEPROM
45 PRE MUTE L O Pre-out muting L Ch. control output
Lo: When M MUTE L input is Lo during CD source
selected or Momentary power down detected, Hi:
Fix in the case of 2 zone mode
46 PRE MUTE R O Pre-out muting R Ch. control output
Lo: When M MUTE R input is Lo during CD source
selected or Momentary power down detected, Hi:
Fix in the case of 2 zone mode
47 DSP DATA O Data output to DSP IC Not used(N.C.)
48 DSP LATCH O Latch output to DSP IC Not used(N.C.)
49 DSP CLK O Clock output to DSP IC Not used(N.C.)
MICROCOMPUTER'S TERMINAL DESCRIPTION
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