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• IC601 µPD78078GF-062-3BA (MASTER CONTROL) (MAIN BOARD (1/3))
RTS (TO MD. CTS)
MASTER BUSY
RXD (TO MD. TXD)
RXD
TXD (TO MD. RXD)
TXD
CTS (TO MD. RTS)
MECHA BUSY
1 to 3 VER I Destination setting terminal
4 VER I Destination setting terminal Not used (open)
5 to 7 (NC) — Not used
8 — — Not used (open)
9 IC — Connecting to ground
10 X2 O Main system clock output terminal (5 MHz)
11 X1 I Main system clock input terminal (5 MHz)
12 VDD — Power supply terminal (+5V)
13 XT2 O Sub system clock output terminal (32 kHz)
14 XT1 I Sub system clock input terminal (32 kHz)
15 RESET I System reset signal input from the reset signal generator (IC602)
16 AU-BUS IN I AU-BUS signal input terminal
17 AU-BUS OUT O AU-BUS signal output terminal
18 ENC/A I Encorder volume signal A input from the master volume (S901)
19 ENC/B I Encoder volume signal B input from the master volume (S901)
20 RDS/CLK I RDS clock signal input from the RDS demodulator (IC1500)
21 RDS/DATA I RDS data signal input from the RDS demodulator (IC1500)
22 SCOR (BD) I Sub-code sync S0, S1 detect signal input from the digital signal processor (IC103)
23 AVDD — Power supply terminal (+5V) (for A/D converter)
24 AVREF0 — Reference voltage input terminal (+5V) (for A/D converter)
25 KEY0 I Key input terminal (A/D input) POWER key (S902) input
26 KEY 1 I
27 KEY 2 I
28 to 30 — — Not used
31 O Master-busy signal output to the MD system control (IC316)
32 MD-POWER O MD power on/off signal output to the MD power regulator (IC570)
33 AVSS — Ground terminal (for A/D converter)
34 POWER ON I System power on signal input terminal
35 MD OEM/REST O MD reset signal output terminal
36 AVREF1 I Reference voltage input terminal (+5V) (for A/D converter)
37 I MD control data signal input from the MD system control (IC316)
38 O MD control data signal output to the MD system control (IC316)
39 MD-CLK O MD control data clock signal output to the MD system control (IC316)
40 VSS — Ground terminal
41 I Mecha-busy signal input from the MD system control (IC316)
42 FL/DRIV DATA O Display data signal output to the fluorescent indicator drive (IC901)
43 FL/DRIV CLOCK O Display data clock signal output to the fluorescent indicator drive (IC901)
44 FL/DRIV CS O Display clear signal output to the fluorescent indicator drive (IC901) “L”: data output
45 FL/DRIVE RESET O Display reset signal output to the fluorescent indicator drive (IC901) “L”: reset
46 BD SUBQ I Sub-code Q data signal input from the CXD2507AQ (IC103)
47 (NC) — Not used (open)
Pin No.
Pin Name I/O Function
Key input terminal (A/D input) p (CD), ^ (CD), § (CD), p (MD), ^ (MD),
§ (MD) keys (S903 to S908) input
Key input terminal (A/D input) FUNCTION, ) + +, TUNER/BAND, = 0 –,
r REC, CD-MD SYNC, REPEAT STEREO/MONO, PLAY MODE TUNING MODE
(S909 to S916) input
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