CDX-CA900/CA900X
Pin No.Pin NameI/OPin Description
51NCONot used. (Open)
52MPTHONot used in this set. (Open)
53VSMIS-meter signal input from tuner unit (TUX201)
54VCCNPower supply pin (+5 V)
55BUS/AUXOBUS/AUX audio ground select signal output OH�: BUS
56NS MASKOTuner noise mask signal output (E model)
57BOOTODisplay microcomputer write control signal output to sub system control (IC701)
58DOORINDOFront panel indicator signal output
59 to 62NINot used in this set. (Connect to ground.)
63VSSNGround pin
64CD PACKIServo IC CD text pack synchronization signal input
65, 66(NCO)ONot used. (Open)
67CD SELFSWICD mechanism self load position detection switch signal input (SW2)
68NONot used. (Open)
69FLASH WIFlash write mode detection signal input
70I2CSIOOTuner (TUX201), electronic volume (IC301) communication data signal output
71I2CCKOOTuner (TUX201), electronic volume (IC301) communication clock signal output
72KEYACKIKey acknowledge detection signal input
73X1ANLow speed oscillation signal input (32.768 kHz)
74X0ANLow speed oscillation signal input (32.768 kHz)
75DAVNIRDS data block synchronization detection signal input (E model)
76(NCO)ONot used. (Open)
77BU INIBack up power detection signal input
78, 79NONot used. (Open)
80ADONOPower control signal output of A/D converter
81NOSESWIFront panel attachment detection signal input from nose detect switch (S102) OL�: ON
82FLASH ONOFlash write jig power supply signal output
83PWONOSystem power control signal output
84NONot used. (Open)
85RAMBUIReset detection signal input of RAM
86HSTXIHardware standby signal input OL�: Standby mode
87MD2IOperation mode signal input Connect to ground in this set.
88, 89MD1, 0IOperation mode signal input Connect to VCC in this set.
90RESETIMicrocomputer reset signal input
91VSSNGround pin
92X0NHigh speed oscillation signal input (3.68 MHz)
93X1NHigh speed oscillation signal input (3.68 MHz)
94VCCNPower supply pin (+5 V)
95, 96NCONot used. (Open)
97 to 101(NCO)ONot used. (Open)
MODELSEL0
102INot used. (Open) Destination detection signal input
UYE/J (P)
10310k/9k (P)INot used. (Open) Destination detection signal input
104(NCO)ONot used. (Open)
105CD MONOCD mechanism power control signal output to power supply (IC801)
106CD ONOCD mechanism voltage control signal output to power supply (IC801)
107RCIN1 (P)IRotary commander signal input from remote in jack (J651)
108TESTIN (P)ITest mode set up detection signal input
109TELATT (P)ITell mute detection signal input
110ILLIN (P)IIllumination line detection signal input OL�: Dimmer on
111NONot used. (Open)
112(NCO)ONot used. (Open)
113TUNONOTuner on signal output
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