Sony CDX-M800, Руководство по обслуживанию

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18
CDX-M800
4-1. IC PIN DESCRIPTIONS
• IC303 M30624MHP-065GP (US, Canadian model) (SYSTEM CONTROL) (MAIN Board (2/2))
• IC303 M30624MHP-053GP (AEP, UK, E model) (SYSTEM CONTROL) (MAIN Board (2/2))
Pin No. Pin Name I/O Pin Description
1 SIRCS I Remote control data input
2 FP CTRL O Front panel open/close speed control signal
3 CD SO/TSO O CD servo serial data output
4 CD SI/TSI I CD servo serial data input
5 CD CKO/TCKO O CD servo serial clock output
6 BYTE I L fixed terminal
7 CNVSS I Flash write-in signal input
8 XIN I Sub clock signal input (32kHz)
9 XOUT O Sub clock signal output (32kHz)
10 RESET I CPU reset signal input
11 OSC OUT O Main clock signal output (6MHz)
12 VSS — Ground
13 OSC IN I Main clock signal input (6MHz)
14 VCC1 — Power supply pin (+5V)
15 NMI I Non maskable interrupt signal input
16 CD PACK I CD text pack synchronized signal input
17 DAVN I RDS data acquisition detect signal
18 BU IN I Back-up power detect signal
19 NS MASK O Not used. (Open)
20 BEEP O Beep signal output
21 FLW IN I OSC frequency shift signal for DC/DC conv.
22 NCO O Not used. (Open)
23 SA CLK O Spectrum analyzer clock signal output
24 TEL ATT I telephone mute detect signal input
25 ATT O Mute signal output
26 VOL ATT O Electronic volume mute signal output
27 I2C CKO O Tuner/E-volume BUS clock output
28 I2C SIO O Tuner/E-volume BUS data output
29 UNI SO O SONY BUS data output
30 UNI SI I SONY BUS data input
31 UNI CKO O SONY BUS clock output
32 TUNER ATT O Tuner attenuate signal output
33 EESIO I/O EEPROM data input/output
34 EECKO O EEPROM clock output
35 NCO O Not used. (Open)
36 ADSO1 O Not used. (Open)
37 ADSO2 O Not used. (Open)
38 NCO O Not used. (Open)
39 HOLD I Flash write-in signal input
40 AMP DIAG I Amplifier diagnosis signal input
41 AMP STB O Amplifier strobe signal output
42 AMP ON O Not used. (Open)
43 TUNER ON O Not used. (Open)
44 WRI/WR I Flash write-in signal input
45 CD LIMIT I CD limit detect signal input
46 CD D SW I CD disc SW detect signal input
47 CD PH1 I CD PH1 detect signal input
48 CD INSW/PH2 I CD IN SW/PH2 detect signal input
49 PH3 I CD PH3 detect signal input
50 DST SEL1 I Destination select signal input
SECTION 4
DIAGRAMS