CDX-L410X
SECTION 3
DIAGRAMS
3-1. IC PIN DESCRIPTION
Y IC801 ?PD780076YGK-R24 (SYSTEM CONTROL) (MAIN Board)
Pin No.Pin NameI/OPin Description
1D SWIDown switch detection signal input ŤLŽ: Down switch on
2LM LDOLoading motor drive control signal output (Loading direction)
3LM EJOLoading motor drive control signal output (Eject direction)
4ATTOMute control signal output of audio signal line ŤHŽ: mute on
5A ATTOMute control signal output to power amp IC (IC101) ŤLŽ: amp mute on
6PLL DIISerial data signal input to PLL IC (IC601)
7VOL ATTOMute control signal output to Electric volume IC (IC401)
8DOOR SW/INDIDoor switch signal input Case of flipdown, sense to open condition of door ŤHŽ: open
9VSS0?Ground pin
10VDD0?Power supply pin
11PLL CEOChip enable signal output to PLL IC (IC601)
12BEEPOBeep signal output of key beep, caution alarm to power amp IC (IC101)
13SDAOOIIC data line signal output (control to electric volume IC (IC401))
14SCLOOIIC clock line signal output (control to electric volume IC (IC401))
15LCD CEOChip enable control signal output to LCD driver IC (IC901)
16LCD DOOSerial data signal output to LCD driver IC (IC901)
17LCD CLKOSerial clock signal output to LCD driver IC (IC901)
18BUS SIISONY bus data signal input
19BUS SOOSONY bus data signal output
20BUS CLKISONY bus clock signal input
21BUS CLK GENOSONY bus clock signal output
AM select signal output
22AM ONO
FM circuit power supply control output of tuner unit (TU601) ŤHŽ: FM on
FM select signal output
23FM ONO
FM circuit power supply control output of tuner unit (TU601) ŤHŽ: FM on
24VDD1?Power supply pin
25AVSS?Ground pin
Stereo signal input/monaural control signal output
26ST INDI/OAt forced monaural on: ŤLŽ output
At forced monaural off: input modeŤ,L stereo on for Ž input
27SHIFT/PH1IRotary commander shift key signal input Not used in this set.
28S METERIS meter signal input from tuner unit (TU601)
29, 30KEY0, KEY1IA/D key signal input Input of A/D key matrix and front panel attachment decision.
Rotary commander AD level signal input
31R COMI
Sense to key voltage level of rotary commander
32DST SELIDestination select input
33TESTITest mode select signal input ŤLŽ: test mode
34AVREF?Analog reference voltage pin
35AD ONOLCD INHIBIT signal output Not used in this set.
36RESETIReset signal input from reset IC (IC902) ŤHŽ: reset
37XT2?Connect to sub clock (32.768 kHz)
38XT1?Connect to sub clock (32.768 kHz)
39IC?At on board writer: 12 V power supply pin (usually ground pin)
40X2?Connect to crystal oscillator (8.38 MHz)
41X1?Connect to crystal oscillator (8.38 MHz)
42VSS1?Ground pin
43KEY ACKIKey acknowledge signal input
44SIRCSIWireless remote control signal input from remote control receiver IC (IC951)
45SELF SWISELF switch detection signal input ŤLŽ: SELF switch on
46BU INIBackup power supply detection signal input
47NOSEIFront panel attachment detection signal input from SW801 ŤLŽ: panel on
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ACEC
