Sony CDX-GT700D Service Manual page 43

• IC303 M30622MWP-305GP (SYSTEM CONTROL) (MAIN BOARD (3/4))
Pin No. Pin Name
1 SIRCS
2 FSW-IN
3 UNI_SO
4 UNI_SI
5 UNI_CKO
6 BYTE
7 CNVSS
8 XCIN
9 XCOUT
10 RESET
11 XOUT
12 VSS
13 XIN
14 VCC1
15 NMI
16 NC
17 DAVN
18 TUNER ATT-IN
19 NS-MASK
20 BEEP
21 TUNER ATT
22 EESIO(TU)
23 EECKO(TU)
24 NC
25 ATT
26 BUS/AUX
27 I2C_CKO
28 I2C_SIO
29 E_VOL_SO
30 E_VOL_MUTE
31 E_VOL_CKO
32 DSP_RESET
33 DSP_I2C_SIO
34 DSP_I2C_CKO
35 EECKO (DSP)
36 EESIO (DSP)
37 DSP_ON
38 NC
39 HOLD
40 AMP_DIAG
41 AMP_STB
42 NC
43 NC
44 WRI/WR
45 NC
46 NC
47 EJECT_OK
48 CDM_ON
49 CD_ON
I/O
I Remote control data signal input
I FL DC-DC converter frequency count input
O Control bus serial data output
I Control bus serial data input
O Control bus serial clock output
I Not used (Connect to ground)
I Not used Fixed at "L"
I Sub clock signal input (32.768 kHz)
O Sub clock signal output (32.768 kHz)
I Reset signal input
O Main clock signal output (6 MHz)
— Ground
I Main clock signal input (6 MHz)
— Power supply pin (+3.3 V)
I Non-maskable interruption signal input
— Not used (Open)
I RDS data block synchronization detection signal input
I Tuner attenuation zero cross input
O Tuner noise detect mask signal output
O Beep signal output
O Tuner mute signal output
I/O Tuner pack EEPROM data signal input/output
O Tuner pack EEPROM clock signal output
— Not used (Open)
O Line mute signal output
O Bus audio/AUX exchange signal output
O I2C serial transfer clock output
I/O I2C serial data input/output
O E-VOL serial data output
O E-VOL mute signal output
O E-VOL serial transfer clock output
O DSP reset signal output
I/O DSP I2C data input/output
O DSP I2C serial transfer clock output
O EEPROM serial transfer clock output
I/O EEPROM serial data input/output
O DSP power supply on signal output
— Not used (Open)
I Not used Fixed at "L"
I Amplifier self-diagnostic test function signal input
O Amplifier standby signal output
— Not used (Open)
— Not used (Open)
I External data bus (WRI/WR) input
— Not used (Open)
— Not used (Open)
O Eject OK signal output
I Mechanism deck power supply ON signal input
I Servo power supply ON signal input
CDX-GT700D/GT705DX
Pin Description
Fixed at "H"
Fixed at "H"
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