Kenwood KDCMP 332 Service Manual

Page 5

KDC-M P332/M P5033
KDC-W534/W534Y

MICROCOMPUTERS TERMINAL DESCRIPTION

0 SYSTEM LL-com: |C1 on X34- (ELECTRIC UNIT)

Pin No. Pin Name l/O Application 2:15:19 Processing / Operation / Description

1 DOERR | DC offset error detection input

2 LINE MUTE | Phone detection TEL MUTE: 1V or lower, NAVI MUTE: 2.5V or higher
3 ROTARY CW | Rotary encoder input Caution when the panel is flipped down

4 AVSS -

5 TUN TYPE1 | E-VOL setting switching (1) Refer to the truth value table

6 TUN TYPE2 | E-VOL setting switching (1) Refer to the truth value table

7 AVREF1 -

8 VFD DATAF | Data input from VFD

9 VFD DATAS l/O Data input/output from or to VFD

1O VFD CLK O Clock output to VFD

11 m 0 Reset to VFD L: Reset, H: Normal, L: While momentary power down
12 VFD CE 0 Chip-enable output to VFD

13 ROTARY CCW | Rotary encoder input Caution when the panel is flipped down

14 1% I Flip-down panel detection H: PANEL released, L: PANEL attached

15 PWIO BEEP O Beep output

16 LX DATA S | Data from slave unit

17 LX DATA M 0 Data to slave unit

18 LX CLK |/O LX-BUS clock

19 RDS AFSL 0 Tuner RDS mute output 2 (2) Refer to the truth value table

When ADJ=H
2O TUN ADJ | For |C10 adjustment
PS1-1,2=L, PS1-3=Hi-z, PSZ-1,2=Hi-Z,TUN DATA,CLK=Hi-Z

21 TUN SD | Tuner search stop input H: Station tound, L: Station not found

22 LX RST O Forced-reset to slave unit H: Reset, L: Normal

23 LX CON 0 Start-up request to slave unit H: Slave unit ON, L: Slave unit OFF

24 LX REQ M 0 Communication request to the slave unit

25 AUD SDA l/O Tuner & Vol |2C data input/output

26 AUD SOL l/O Tuner & Vol IZC clock output

27 PWIC STBY 0 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 W 0 Power IC mute output L: POWER OFF, STANDBY, or TEL MUTE

30 TUN FANC OUT 0 Tuner block (in p-com) check L: E2P OK, H: E2P NG

31 RESET2 O Mute for reset Outputs L

32 RDS DATA | RDS decoder data input

33 VSS1 -

34 RDS QUAL | RDS decoder qualification input

35 W I ACC detection L: ACC ON, H: ACC OFF

36 W | Momentary power down detection L: BU found, H: BU not found (momentary power down)
37 Fm l/O SW5V/SW14V control ON: L, OFF: Hi-Z