IC DESCRIPTION
IC, ?PD178016AGC-559-3B9/IC, ?PD1780006A/IC, ?PD178018A
Pin No.Pin NameI/ODescriptionPin No.Pin NameI/ODescription
1AM/FM S-MIAF signal input during RDS AF operation and FM S meter signal input40MAIN M CONTOMain motor control output
2LEVEL-MILevel meter signal input41SUB M CONT 1OSub motor control output-1.
3A-VOL CONTIDetects microphone input for auto volume operation.Pulled down when not used.42SUB M CONT 2OSub motor control output-2.
4CD CONNECTICD changer connection check. Pulled down when not used.43MODE PLIMode pulse input for tape mechanism.
Determines the timing with which data is transferred to the head unit.Open when not44REELIReel pulse input for tape mechanism.
used.45STAND-BYIMechanism Stand-by input5CD DISP SELO
6CD CLOOClock output to CD changer. Open when not used.46F/R HEADOHead FWD/REV select output.
7CD DIIData input from CD changer. Pulled down when not used.47MS INIMS signal input (no music: "H", with music: "L"). Pulled when not used
8CD DOOData output to CD changer. Open when not used.48LEDOSecurity LED flashing output ("H": 120-130 ns, 1 cycle: 3 s)
9CD CLIIClock input from CD changer. Open when not used.49MI-1
10LCD CEOLCD DRV (LC75854W) CE output.50MI-2IDiode matrix input for initial setting
11DFP LAMPOOutputs "H" only when FLAP IN (pin 67) is "L".Open when not used.51MI-3
12LCD DII/OLCD DRV (LC75854W) data input.52MO-1
13LCD DOOOpen when not used. LCD DRV (LC75854W) data output.53MO-2ODiode matrix output for initial setting
14LCD CLOOLCD DRV (?IPD16432B) clock output. LCD DRV (LC75854W) clock output.54MO-3
15CD ACC CONTOTransmits the power on/off status of head unit to changer. Open when not used.55MO-4
16POWER MUTEOMuting output to power amp56BS CONTOMS/BL switching output. Open when not used
17ST-BY MUTEOStandby/muting output to power amp57NR CONTODolby B NR on/off output. Open when not used
18POWER CONTOUnit power control output58MTL CONTOMetal tape on/off output. Open when not used
19CONT 1OLCD DRV power control 159BEEPOBeep output (3 kHz, 50 ms)
20CONT 2OLCD DRV power control 260RMT INIRemote control input. Pulled up when not used
21GND�Ground for port61E-VOL CEOCE output to electronic VR (LC75374E)
22VDD�Power supply for port62E-VOL DOOData output to electronic VR (LC75374E)
23MUTEOAudio muting output63E-VOL CLOOClock output to electronic VR (LC75374E)
24BAND CONTOAM/FM power switching output. AM:�H�, FM: OL�.64DSSAOOutputs "H" only when DSSA L/R are operating.
25RADIO CONTORadio ON/OFF. Power switching output. Radio ON: OH�.65RDS DIIRDS data inputPulled down when not used.
26RDS MODEOOutputs "H" during RDS AF operation. Open when not used.66DFP INIDetects whether DFP (front panel) is provided or not.
27IF REQOOutput to request IF count signal.67FLAP INIDetects whether flap DFP is open or closed.
28AM IFIAM IF count signal input68RDS CLIIRDS clock inputPulled down when not used
29FM IFIFM IF count signal input69EJECT ININC (pulled down)
30VDD�Power supply for PLL70ACC INIACC (accessory power supply) on/off input
31FM OSCIFM local oscillation input71RE1 INIRotary encoder input 1.
32AM OSCIAM local oscillation input72RE2 INIRotary encoder input 2.
33GND�Ground for PLL73PACK INITape insertion status detection input
34EO 0OError output from charge pump (for FM)74REG CPU�CPU power regulator
35EO 1OError output from charge pump (for AM)75GND�Ground
36GND�Ground76X-OUT�System clock oscillator
LOC/DX switching output during radio seek (LOC: "H", DX: "L"). Open when not77X-INISystem clock oscillator37LOC/DXO
used.78REG OSC�Regulator for oscillator circuit
38ST IND/SD INIStop pulse input during FM/AM seek.79VDD�Power supply
39PHONE MUTEIMuting control input -20 dB. Mute: OL�.80RESETISystem reset input
2930 |
ACEC
