Main Board (1/3) Ic601 Μpd78078Gf-062-3Ba (Master Control) - Sony HCD-MD313 Service Manual

• MAIN BOARD (1/3) IC601 µPD78078GF-062-3BA (MASTER CONTROL)
Pin No. Pin Name I/O
1 to 3 VER I
4 VER I
5 to 7 (NC) —
8 (NC) —
9 IC —
10 X2 O
11 X1 I
12 VDD —
13 XT2 O
14 XT1 I
15 RESET I
16 AU-BUS IN I
17 AU-BUS OUT O
18 ENC/A I
19 ENC/B I
20 RDS/CLK I
21 RDS/DATA I
22 SCOR (BD) I
23 AVDD —
24 AVREF0 —
25 KEY0 I
26 KEY1 I
27 KEY2 I
28 to 30 (NC) —
RTS (TO MD. CTS)
31 O
MASTER BUSY
32 MD-POWER O
33 AVSS —
34 POWER ON I
35 MD OEM/REST O
36 AVREF1 I
RXD (TO MD. TXD)
37 I
RXD
TXD (TO MD. RXD)
38 O
TXD
39 MD-CLK O
40 VSS —
CTS (TO MD. RTS)
41 I
MECHA BUSY
42 FL/DRIV DATA O
43 FL/DRIV CLOCK O
44 FL/DRIV CS O
45 FL/DRIVE RESET O
46 BD SUBQ I
47 (NC) —
48 BD SQCLK O
49 BD CLOCK O
Destination setting terminal
Destination setting terminal Not used (open)
Not used
Not used (open)
Connecting to ground
Main system clock output terminal (5 MHz)
Main system clock input terminal (5 MHz)
Power supply terminal (+5V)
Sub system clock output terminal (32 kHz)
Sub system clock input terminal (32 kHz)
System reset signal input from the reset signal generator (IC602)
AU-BUS signal input terminal
AU-BUS signal output terminal
Encorder volume signal A input from the master volume (S901)
Encoder volume signal B input from the master volume (S901)
RDS clock signal input from the RDS demodulator (IC1500)
RDS data signal input from the RDS demodulator (IC1500)
Sub-code sync S0, S1 detect signal input from the digital signal processor (IC103)
Power supply terminal (+5V) (for A/D converter)
Reference voltage input terminal (+5V) (for A/D converter)
Key input terminal (A/D input) POWER key (S902) input
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
Not used
Master-busy signal output to the MD system control (IC316)
MD power on/off signal output to the MD power regulator (IC570)
Ground terminal (for A/D converter)
System power on signal input terminal
MD reset signal output terminal
Reference voltage input terminal (+5V) (for A/D converter)
MD control data signal input from the MD system control (IC316)
MD control data signal output to the MD system control (IC316)
MD control data clock signal output to the MD system control (IC316)
Ground terminal
Mecha-busy signal input from the MD system control (IC316)
Display data signal output to the fluorescent indicator drive (IC901)
Display data clock signal output to the fluorescent indicator drive (IC901)
Display clear signal output to the fluorescent indicator drive (IC901) "L": data output
Display reset signal output to the fluorescent indicator drive (IC901) "L": reset
Sub-code Q data signal input from the CXD2507AQ (IC103)
Not used (open)
Sub-code Q data reading clock signal output to the CXD2507AQ (IC103)
Serial data clock signal output to the CXD2507AQ (IC103)
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Function