Clarion MAX983HD Service Manual

MAX983HD
- 5 -
EXPLANATION OF IC
052-7080-30 uPD70F3276YGJ-UEN-A
Audio System Controller
TerminalDescription
pin 1: A Vref 0 : - : Reference voltage for the internal ADC.
pin 2: A VSS : - : Negative voltage supply for analog section.
pin 3: SYS ACC : O : ACC detect signal output.
pin 4: SUB MUTE : O : Sub-zone audio mute signal output.
pin 5: A Vref 1 : - : Reference voltage for the internal DAC.
pin 6: RDS CLK :IN: RDS clock pulse input.
pin 7: AV ON : O : The ON command output to the power
supply section.
pin 8: FLASH :IN: The signal input for the flash memory con-
trol.
pin 9: VDD : - : Positive voltage supply.
pin 10: REG C : - : The capacitor connection.
pin 11: GND : - : Ground.
pin 12: X in :IN: Crystal connection.
pin 13: X out : O : Crystal connection.
pin 14: RESET :IN: Reset signal input.
pin 15: XT I :IN : Oscillation terminal.
pin 16: XT O : O : Oscillation terminal.
pin 17: POWER KEY :IN: Power key input.
pin 18: BU 9V DET :IN: Backup 9V detection.
pin 19: BU 6V DET :IN: Backup 6V detection.
pin 20: EJECT :IN : Eject key signal input.
pin 21: CATS DET :IN: CATS detection signal input.
pin 22: TUN SDA :I/O: I2BUS serial data input/output for the tun-
er pack.
pin 23: TUN SCL : O : I2BUS serial clock output for the tuner
pack.
pin 24: TP REQ :IN: The request signal from the touch panel
micro computer.
pin 25: Navi/FLASH O : O : Serial data output to Navicore or flash
memory.
pin 26: Navi/FLASH IN :IN: Serial data input from Navicore or flash
memory.
pin 27: TP RST : O : The reset pulse output to the touch panel
micro computer.
pin 28: DIMMER : O : PWM output.
pin 29: Motor Pulse :IN: Motor pulse input.
pin 30: AUX/TV(CeNET) : O : H=AUX, L=TV(CeNET).
pin 31: IE BUS TX : O : IE Bus serial data output.
pin 32: IE BUS RX :IN: IE Bus serial data input.
pin 33: GND : - : Ground.
pin 34: E VDD : - : Positive voltage supply.
pin 35: DSP SDA :I/O:The serial data input/output for the digital
signal processor.
pin 36: DSP SCL : O : SCL output to the digital signal processor.
pin 37: MOTOR 1 F : O : The forward command output to the slide
motor.
pin 38: MOTOR 1 R : O : The reverse command output to the slide
motor.
pin 39: NU : O : Not in use.
pin 40: NU : O : Not in use.
pin 41: OFFSET DET :IN: The emergency signal input from the pow-
er IC.
pin 42: Amp Standby : O : Standby signal output to internal amplifi-
er.
pin 43: NU :IN: Not in use.
pin 44: NU :IN: Not in use.
pin 45: TEL ON :IN: L = Telephone ON.
pin 46: NU :IN: Not in use.
pin 47: CARD IN :IN: L = SD CARD inserted.
pin 48: CARD SNS :IN: L = SD CARD connected.
pin 49: NU :IN: Not in use.
pin 50: NU :IN: Not in use.
pin 51: FLMD OUT : O : H = Flash memory rewrite.
pin 52: N STATUS 2 :IN : P-OFF input.
pin 53: IRI :IN: The remote control signal input.
pin 54: N STATUS 1 :IN: H = The trouble is occurring in NAVI.
pin 55: SPEED P :IN: Speed pulse input.
pin 56: NU :IN: Not in use.
pin 57: NU :IN: Not in use.
pin 58: NU :IN: Not in use.
pin 59: TP RX :IN: The serial data input from the touch pan-
el micro computer.
pin 60: TP TX : O : The serial data output to the touch panel
micro computer.
pin 61: DVD TX : O : The serial data output to the DVD mech-
anism.
pin 62: DVD RX :IN: The serial data input from the DVD mech-
anism.
pin 63: W REMCOM :IN: Wired remote controller signal input.
pin 64: FL ENA : O : H = LCD power supply ON.
pin 65: ILL C :IN: H = Illumination signal cancel.
pin 66: FL ON : O : H = The fluorescent light of the LCD ON.
pin 67: BEEP : O : Beep out.
pin 68: NU :IN: Not in use.
pin 69: NU :IN: Not in use.
pin 70: NU :IN: Not in use.
pin 71: NAVI MUTE :IN: H = Audio Mute ON.
pin 72: LINE MUTE : O : Mute signal output.
pin 73: TEST MODE : O : For the test.
pin 74: OPN/CL SW :IN: Open/Close switch signal input.
pin 75: VOL CCW :IN: Volume control pulse input from the rota-
ry encoder.
pin 76: VOL CW :IN: Volume control pulse input from the rota-
ry encoder.
pin 77: NU :IN: Not in use.
pin 78: INES ON : O : Inner escutcheon illumination ON signal
output.
pin 79: NU :IN: Not in use.
pin 80: NU :IN: Not in use.
pin 81: LCD ON : O : LCD panel ON signal output.
pin 82: FAN ON : O : The fan on signal output.
pin 83: NU :IN: Not in use.
pin 84: NU :IN: Not in use.
pin 85: EEP DO : O : The serial data output to the EEP-ROM.
pin 86: CLK out : O : Clock pulse output.
pin 87: EEP CK : O : The clock pulse output to the EEP-ROM.
pin 88: EEP CE 1 : O : The chip enable signal output to the EEP-
ROM.
pin 89: EEP DI :IN: The serial data input from the EEP-ROM.
pin 90: NU :IN: Not in use.
pin 91: NU :IN: Not in use.
pin 92: NU :IN: Not in use.
pin 93: NU :IN: Not in use.
pin 94: NU :IN: Not in use.
pin 95: NU :IN: Not in use.
pin 96: NU :IN: Not in use.
pin 97: EEP CE 2 : O : The chip enable signal output to the EEP-
ROM.
pin 98: DVD IND : O : DVD eject LED control.
pin 99: AM / OEM :IN: L = OEM.
pin100: EU / USA :IN: H = Matsushita DVD mechanism.
pin101: NU :IN: Not in use.
pin102: NTSC/PAL :IN: NTSC/PAL select signal input.

Clarion MAX983HD Specifications

General

Brand	Clarion
Model	MAX983HD
Category	Car Navigation system
Language	English