Clarion DXZ745MP Service Manual page 6

EXPLANATION OF IC
Main section
M30622MWP-128GP 052-3934-00
1. Terminal Description
pin 1 : CONTRAST-CONT
: O : Contrast controller
pin 2 : TIME BASE : IN : Time base pulse input.
pin 3 : REMOCON : IN : Remote controller signal input terminal.
pin 4 : 2-Z MUTE : O : 2-ZONE mute.
pin 5 : NU : IN : Not in use.
pin 6 : BYTE : IN : The data length selection(8bit/16bit).
pin 7 : CN VSS : IN : Connect to VSS.
pin 8 : JOG-CW : IN : Jog key signal input.
pin 9 : JOG-CCW : IN : Jog key signal input.
pin 10 : RESET : IN : Reset signal input.
pin 11 : X-OUT : O : Crystal connection.
pin 12 : VSS : - : Negative supply voltage.
pin 13 : X-IN : IN : Crystal connection.
pin 14 : VCC : - : Positive supply voltage.
pin 15 : NU : IN : Not in use.
pin 16 : ACC_DET : IN : ACC detection signal input.
pin 17 : B/U_DET : IN : Backup detection signal input.
pin 18 : KEY_INT : IN : Key interrupting signal input.
pin 19 : 27pin CONNECT
: IN : Connect to 27pin.
pin 20 : MOTOR+ O : The control signal output to the motor.
pin 21 : MOTOR- : O : The control signal output to the motor.
pin 22 : SUB_0BIT_MUTE
: O : CD ON signal output.
pin 23 : E_VOL CLK1 : O : Mitsubishi electric volume IC M15623FP
serial signal output.
pin 24 : E_VOL DATA1 : O : Mitsubishi electric volume IC M15623FP
serial signal output.
pin 25 : CATS_ LED : O : CATS LED drive output.
pin 26 : NU : IN : Not in use.
pin 27 : IE BUS RX : IN : IE Bus serial data input.
pin 28 : IE BUS TX : O : IE Bus serial data output.
pin 29 : NU : O : Not in use.
pin 30 : NU : IN : Not in use.
pin 31 : NU : IN : Not in use.
pin 32 : NU : O : Not in use.
pin 33 : LCD SO : O : The serial data output to the LCD driver.
pin 34 : LCD SI : IN : The serial data input from the LCD driver.
pin 35 : LCD CLK : O : The clock pulse output to the LCD driver.
pin 36 : LCD KEY REQ : IN : LCD Key request signal output.
pin 37 : LCD CS : O : Chip select signal output to LCD.
pin 38 : DIR CSN : O : The chip select signal to DIR IC.
pin 39 : NU : IN : Not in use.
pin 40 : MP3 SRQ : IN : MP3 request signal input.
pin 41 : MP3 CS : O : MP3 chip selection signal output.
pin 42 : MP3 WP : O : MP3 wakeup signal output.
pin 43 : MP3 RESET : O : MP3 reset signal output.
pin 44 : E/INT : IN : The emphasis data input for the
digital-audio-interface-receiver.
pin 45 : INIT 1 IN : The initial setting input.
pin 46 : MAIN_0Bit_MUTE
: O : When main zone, CD mode the port HI.
pin 47 : FIL CONT 1 : O : The cut off control signal output to the filter.
pin 48 : FIL CONT 2 : O : The cut off control signal output to the filter.
pin 49 : PLL CE : O : The chip enable signal output to the PLL IC.
pin 50 : PLL SCK : O : The clock pulse output to the PLL IC.
pin 51 : PLL SI : IN : Serial data input from the PLL IC.
pin 52 : PLL SO : O : Serial data output to the PLL IC.
pin 53 : VARI SCL : O : Variable color clock output.
pin 54 : VARI SDA : O : Variable color serial data output.
pin 55 : DIR CLK : O : DIR-IC serial clock signal.
pin 56 : DIR DATA : O : DIR-IC serial DATA signal input.
pin 57 : DIG RESET : O : The reset pulse output.
pin 58 : DAC DATA : O : The serial data output to DAC.
pin 59 : DAC CLK : O : The clock pulse output to DAC.
pin 60 : VCC : - : Positive supply voltage.
pin 61 : DAC _CSN : O : The chip select signal output to DAC.
pin 62 : VSS : - : Negative supply voltage.
pin 63 : OPEN POSI : IN : The open position detect signal input.
pin 64 : NU : IN : Not in use.
DXZ745MP/DXZ746MP
Main System controller
-6-
pin 65 : ST/SD : IN : At receiving the FM station, this port detects the
stereo signal. At seeking or scanning, this port
detects the station detection signal.
pin 66 : NU : O : Not in use.
pin 67 : NU : O : Not in use.
pin 68 : NU : O : Not in use.
pin 69 : NU : O : Not in use.
pin 70 : NU : IN : Not in use.
pin 71 : OFFSET DET : IN : The emergency signal input from the power IC.
pin 72 : DIG 5V : O : The ON signal output to the power supply section.
pin 73 : NU : IN : Not in use.
pin 74 : E-VOL CLK2 : O : Clock pulse output to the volume IC. (M61508FP)
pin 75 : E-VOL DATA2 : O : The serial data output to the volume IC. (M61508FP)
pin 76 : CLOSE POSI : IN : The close position detect signal input.
pin 77 : NU : O : Not in use.
pin 78 : AMP MUTE : O : Muting signal output to the Audio Power Amplifier.
pin 79 : NU : O : Not in use.
pin 80 : SYS MUTE : O : System muting signal output.
pin 81 : PHONE INT : IN : The telephone interrupt signal input.
pin 82 : ILLUMI DET : IN : Illumination ON signal input.
pin 83 : AMP-REMDET : IN : Remote controller wire short detection.
pin 84 : EX-AMPREM : O : Extra audio power amplifier.
pin 85 : AUTO ANT : O : Motor antenna control signal output.
pin 86 : 5V REM : O : ON signal output to the 5V power supply.
pin 87 : NU : IN : Not in use.
pin 88 : NU : IN : Not in use.
pin 89 : KEY A/D : IN : Input terminal of A/D converter for Key judgment.
pin 90 : NU : IN : Not in use.
pin 91 : DISP5V_REM : O : The ON signal output to the power supply section.
pin 92 : INT-AMPREM : O : The control signal output to internal audio power
amplifier.
pin 93 : SYS ACC : O : ACC detect signal output.
pin 94 : A VSS : - : Analog ground.
pin 95 : NU : IN : Not in use.
pin 96 : VREF : IN : Reference voltage.
pin 97 : A VCC : - : Positive supply voltage for the internal analog
section.
pin 98 : MP3 SI : IN : MP3 serial data input.
pin 99 : MP3 SO : O : MP3 serial data output.
pin100 : MP3 SCK
: O : MP3 clock output.
CD mechanism section: 929-0300-82
051-6069-08 FAN8047G3
Regulator
Function Table
SW45 Mute1,2_ Mute 3_ Mute 4_
in in in in
(pin 28) (pin 9) (pin 27) (pin 20) (pin13,14) (pin11,12) (pin17,18) (pin15,16)
H H H x
H H L x
H L H x
H L L x
L x x H
L x x L
4 channel Motor Driver
Level
Shift
Level
Shift
Level
Shift
Level
Shift
1 ch 2 ch 3 ch 4 ch
out out out out
ON ON ON ON A
ON ON OFF ON A
OFF OFF ON OFF
OFF OFF OFF OFF
OFF OFF OFF ON B
OFF OFF OFF OFF