Kenwood KDC-MP5033, Руководство по обслуживанию

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5
KDC-MP332/MP5033
KDC-W534/W534Y
MICROCOMPUTER’S TERMINAL DESCRIPTION
●
SYSTEM
µ
-com: IC1 on X34- (ELECTRIC UNIT)
Pin No. Pin Name I/O Application
Truth Value
Processing / Operation / Description
Table
1 DCERR I DC offset error detection input
2 LINE MUTE I Phone detection TEL MUTE: 1V or lower, NAVI MUTE: 2.5V or higher
3 ROTARY CW I Rotary encoder input Caution when the panel is flipped down
4 AVSS -
5 TUN TYPE1 I E-VOL setting switching
q
Refer to the truth value table
6 TUN TYPE2 I E-VOL setting switching
q
Refer to the truth value table
7 AVREF1 -
8 VFD DATAF I Data input from VFD
9 VFD DATAS I/O Data input/output from or to VFD
10 VFD CLK O Clock output to VFD
11 VFD RST O Reset to VFD L: Reset, H: Normal, L: While momentary power down
12 VFD CE O Chip-enable output to VFD
13 ROTARY CCW I Rotary encoder input Caution when the panel is flipped down
14 FLIP DET I Flip-down panel detection H: PANEL released, L: PANEL attached
15 PWIC BEEP O Beep output
16 LX DATA S I Data from slave unit
17 LX DATA M O Data to slave unit
18 LX CLK I/O LX-BUS clock
19 RDS AFSL O Tuner RDS mute output 2
w
Refer to the truth value table
20 TUN ADJ I For IC10 adjustment
When ADJ=H
PS1-1,2=L, PS1-3=Hi-z, PS2-1,2=Hi-z, TUN DATA,CLK=Hi-z
21 TUN SD I Tuner search stop input H: Station found, L: Station not found
22 LX RST O Forced-reset to slave unit H: Reset, L: Normal
23 LX CON O Start-up request to slave unit H: Slave unit ON, L: Slave unit OFF
24 LX REQ M O Communication request to the slave unit
25 AUD SDA I/O Tuner & Vol I2C data input/output
26 AUD SCL I/O Tuner & Vol I2C clock output
27 PWIC STBY O Power IC standby output H: POWER IC ON, L: POWER IC OFF
28 VOL MUTE O E-VOL mute output Low: MUTE OFF, Hi-z: ON
29 PWIC MUTE O Power IC mute output L: POWER OFF, STANDBY, or TEL MUTE
30 TUN FANC OUT O Tuner block (in
µ
-com) check L: E2P OK, H: E2P NG
31 RESET2 O Mute for reset Outputs L
32 RDS DATA I RDS decoder data input
33 VSS1 -
34 RDS QUAL I RDS decoder qualification input
35 ACC DET I ACC detection L: ACC ON, H: ACC OFF
36 BU DET I Momentary power down detection L: BU found, H: BU not found (momentary power down)
37 PON I/O SW5V/SW14V control ON: L, OFF: Hi-z