CDX-MP80
Y IC501 MB90574CPMT-G-397-BNDE1 (SYSTEM CONTROL) (MAIN BOARD) (US, Canadian model)
Y IC501 MB90574CPMT-G-398-BNDE1 (SYSTEM CONTROL) (MAIN BOARD) (AEP, UK model)
Pin No.Pin NameI/OPin Description
1 � 4NCONot used. (Open)
5ATTOSystem mute control signal output
6SYS RSTOSystem reset signal output
7NCONot used. (Open)
8VCCNPower supply pin (+5 V)
9AMP ATTOPower amplifier mute signal output
10T.ROM SDAI/OTuner unit EEPROM data input/output
11T.ROM SCKOTuner unit EEPROM clock output
12NOSE SW/RXINose SW detect signal input
13TXOFlash CPU write-in data output
14BUS ONOBUS ON control signal output
15BEEPOBeep signal output
16TEL ATTITelephone mute detect signal input
17UNI SIISONY BUS data input
18UNI SOOSONY BUS data output
19UNI CLKOSONY BUS clock output
20 � 23NCONot used. (Open)
24SIRCSIWireless remote data input
25 � 30NCONot used. (Open)
31E VOL ATTOElectronic volume mute signal output
32NCONot used. (Open)
33VSSNGround pin
34CNCondenser pin for voltage stabilizer
35CDON INICD On signal input
36NCONot used. (Open)
37FSW SFTOOSC frequency shift signal output for DC/DC converter
38DVCCNPower supply pin (+5 V)
39DVSSNGround pin
40, 41NCONot used. (Open)
42AVCCNPower supply pin (+5 V)
43AVRHNPower supply pin (+5 V)
44AVRLNGround pin
45AVSSNGround pin
46KEY IN0IKey input 0
47TEMPITempareture detect signal input
48RC IN0IRotary commander input 0
49FP-I DETIFront panel motor current detect signal input
50QUALITuner noise detction signal input (AEP, UK model)
51TR-I DETITray motor current detect signal input
52MPTHITuner multi-pass detect signal input (AEP, UK model)
53VSMIS-meter voltage detect signal input
54VCCNPower supply pin (+5 V)
55AMP ONOAMP ON control signal output
56NS MASKOTuner noise masking control signal output
57DDC ONODC/DC converter power control signal output
58OPEN SENSITray open detection signal input
59CLOSE SENSITraay close detect signal input
60LED ONOTray illumination ON signal output
61T CLOSEOTray loading motor output
62T OPENOTray loading motor output
63VSSNGround pin
18 |
ACEC
