SONY CDX-F7700 Instruction Manual

CDX-F7700/F7705X
Y IC303 M30624MGP (SYSTEM CONTROL) (MAIN BOARD (3/3))
Pin No.Pin NameI/OPin Description
1SIRCSIRemocon data input
2(NCO)ONot used
3CD SO/TSOOCD servo serial data output
4CD SI/TSIICD servo serial data input
5CD CKO/TCKOOCD servo serial clock output
6BYTEIConnecting to ground.
7CNVSSIFlash write-in signal input
8XCINISub clock signal input (32.768kHz)
9XCOUTOSub clock signal output (32.768kHz)
10RESETICPU reset input
11XOUTOMain clock signal output (6MHz)
12VSSNGround
13XINIMain clock signal input (6MHz)
14VCC1NGround
15NMIINon maskable interrupt signal input
16CD INTQICD-TEXT sync. signal input
17DAVNIRDS data block sync. detection signal input
18BU INIBack-up power detection signal input
19NS MASKONS-MASK signal output
20BEEPOBeep signal output
21FSW INIDD converter OSC frequency count input
22FSW OUTODD converter OSC frequency change output
23SA CLKOSpectrum analyzer clock output
24TEL ATTITelephone mute signal input
25ATTOMute signal output
26VOL ATTOElectronic volume mute signal output
27I2C CKOOI2C bus serial clock output
28I2C SIOOI2C bus serial data output
29UNI SOOSONY bus serial data output
30UNI SIISONY bus serial data input
31UNI CKOOSONY bus serial clock output
32TUNER ATTOTuner mute signal output
33EE SIOI/OTuner pack EEPROM serial data input/output
34EE CKOOTuner pack EEPROM serial clock output
35RE IN0IRotary encoder signal input 0
36RE IN1IRotary encoder signal input 1
37NOSE SWIFront panel detection signal input
38DOOR SWIPanel open detection signal input
39HOLDIExternal bus data input (HOLD)
40AMP DIAGIAMP self-diagnosis function control signal input
41AMP STBOAMP standby signal output
42(NCO)ONot used
43(NCO)ONot used
44WRI/WRIExternal bus data input (WRI/WR)
45CD LIMITICD LIMIT switch detection signal input
46CD D SWICD D switch detection signal input
47CD IN SWICD IN switch detection signal input
484V SELI4V PRE-OUT select signal input
49MP3 SELIDeck mechanism select signal input
50DST SEL1IDestination select setting pin 1
51DST SEL2IDestination select setting pin 2
52CD LM LOADOCD loading signal output
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