SONY CDX-C7000X Instruction Manual

Y IC801 MN101C49KTB (SYSTEM CONTROL) (MAIN BOARD)
Pin No.Pin NameI/OPin Description
1VREF�NGround for A/D converter power supply
2S METERIS meter voltage detect signal input
3FM AGCIFM auto gain control signal input
4KEY IN1IKEY signal input
5KEY IN0IKEY signal input
6DSTSELINot used.
7RC IN0IRotary commander signal input
8FUNC SELIModel function selection pin
9NILNGround
10VREF+NA/D converter power supply
11VDDNPower supply (+5 V) input pin
12OSC OUTOHigh speed clock signal output (18.432 MHz)
13OSC INIHigh speed clock signal input (18.432 MHz)
14VSSNGround for power supply
15XIILow speed clock signal input (32 kHz)
16XOOLow speed clock signal output (32 kHz)
17MMODNNot used. (Fixed at OL�.) Memory mode select signal input
18RC IN1IRotary commander shift key signal input
19SYSRSTOSystem reset signal output
20BUS ONOBus on control signal output
21LCD DATAOLCD serial data signal output
22LCD CEOLCD chip enable signal output
23LCD CLKOLCD serial clock signal output
24ILL ONOIllumination power supply control signal output
25DOOR INDOControl signal output for power on sub panel when open to front panel
26KEY ACKIKey active interrupt detect signal input
27NOSEIFront panel attachment detection input
28BU INIBack up power supply setect signal input
29SIRCSIRemote control signal input
30, 31NCNNot used. (Fixed at OL�.)
32RAMNNot used.
33RESETIReset signal input
34NCNNot used.
35BEEPOBeep signal output
36NC (FUNC SEL)IModel function selection pin
37NC (FUNC SEL)IModel function selection pin
38 � 40NCNNot used.
41UNI CLIIBus system serial clock signal input
42UNI SOOBus system serial interface signal output
43UNI SIIBus system serial interface signal input
44UNI CLOOBus system serial clock signal output
45SDAI/OI2C bus serial data signal input/output
46NCNNot used.
47SCLOI2C bus serial clock signal output
48, 49NCNNot used.
50LOCKICheck when remove to lock of MDNO CLV SERVO
51 � 63NCNNot used.
64ACC INIAccessory power supply voltage detection input
65TEL MUTITelephone attenuate detect signal input
66TEST INITest mode setting detect first stage signal input
67ANT CUTNNot used.
68NCNNot used.
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