CLARION 28185 CD000
Manual de Servicio

BLOCK DIAGRAM
BL101 880-1917E AM/FM TUNER IC301 NJM4558 NAVI AMP Q301 NAVI ON

NAVI(+) NAVI(-) NAVI ON SIGNAL

LPF

IC302 LC75412WH ELECTRONIC VOLUME

IC503 -505 NJM2060 EQ.

MUTE

IC506 TA8275 POWER AMP

FL SP(+) FL SP(-) FR SP(+) FR SP(-) RL SP(+) RL SP(-) RR SP(+) RR SP(-)

CD(GS-1) MECHANISM RF AMP DSP/SSP/DAC

DRIVER

IC201 uPD178076 SYSTEM CONTROL

CD L-IN(+) CD L-IN(-) CD R-IN(+) CD R-IN(-) CD REQ CD RX CD TX

LCD DRIVER IC1101 LC75883

POWER SUPPLY

A/C INTERFACE

KEY MATRIX

CONNECTOR
LCD

J1002

J701 J1001

ANT SIG BACK UP ILL. CONT LIGHTING ACC GND GND GND DATA GND GND NAVI GND

EXPLANATION OF IC
pin 25: ILL AD

052-1173-20

uPD178076GF-568-3BA

System Controller
pin 26: NU pin 27: A VDD

1.Terminal Description pin 1: EJECT SW pin pin pin pin pin pin pin 2: NAVI ON 3: NU 4: VOL DATA 5: VOL CLK 6: VOL CE 7: NU 8: LCD DI

: IN : Eject switch signal input. : IN : NAVI ON signal input. : - : Not in use. : O : The serial data output to the volume IC. : O : The clock pulse output to the volume IC. : O : The chip enable signal output to the volume IC. : - : Not in use. : IN : The srial data input from the LCD driver. : O : The srial data output to the LCD driver. : O : The clock pulse output to the LCD driver. : O : The chip enable signal output to the LCD driver. : O : Reset pulse output to LCD driver. : IN : Power switch ON signal input. : IN : Volume control pulse input from the rotary encoder. : IN : Volume control pulse input from the rotary encoder. : - : Not in use. : IN : Illumination ON signal input. : - : Not in use. : - : Not in use. : - : Not in use. : - : Not in use. : - : Not in use. : IN : Remote control signal input. : IN : Remote control signal input. pin 46: GND PLL pin 47: VT pin 48: NU pin 49: IC pin 28: NU pin 29: NU pin 30: NU pin 31: NU pin 32: A VSS pin 33: REG CPU pin 34: VDD pin 35: REG OSC pin 36: X 2 pin 37: X 1 pin 38: GND pin 39: NU pin 40: GND pin 41: AM IF IN pin 42: FM IF IN pin 43: VDD PLL pin 44: FM OSC IN pin 45: AM OSC IN

: IN : The analog voltage input for illumination signal. : - : Not in use. : - : Positive supply voltage for the Analog section. : - : Not in use. : - : Not in use. : - : Not in use. : - : Not in use. : - : Analog ground. : IN : The capacitor connection terminal to suppress the ripple. : - : Positive supply voltage. : IN : The capacitor connection terminal to suppress the ripple. : - : Crystal connection. : - : Crystal connection. : - : Ground. : - : Not in use. : - : Ground. : IN : The input terminal of the internal counter for AM IF. : IN : The input terminal of the internal counter for FM IF. : - : Positive supply voltage for the PLL. : IN : The input terminal of the internal counter for FM OSC ( Local Oscillation ). : IN : The input terminal of the internal counter for AM OSC ( Local Oscillation ). : - : Ground for the PLL. : O : PLL error signal output. : - : Not in use. : IN : Connect to the ground.

pin 9: LCD DO pin 10: LCD CLK pin 11: LCD CE pin 12: LCD RST pin 13: POWER SW pin 14: VOL 1 pin 15: VOL 2 pin 16: NU pin 17: ILL pin 18: NU pin 19: NU pin 20: NU pin 21: NU pin 22: NU pin 23: REM A pin 24: REM B

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PP-2515L