Sony MDS-EX770 - Diagrams; IC Pin Function Description

SECTION 4
DIAGRAMS
4-1. IC PIN FUNCTION DESCRIPTION
MAIN BOARD IC201 µPD78013FGC-544-AB8 (SYSTEM CONTROL)
Pin No. Pin Name I/O Function
1 DESTINATION I
2 DESTINATION I
Destination selection input.
3 DESTINATION I
4 DESTINATION I
5 IF +50 I
Not used. (Ground)
6 IF –50 O
7 BACK UP I Back up mode input.
8 NC – Not used. (open)
9 Vss – Ground
10 POWER O Power ON/OFF switch control.
11 MUTE O Mute output.
12 ANALOG-BUS –
13 NC –
14 NC –
Not used. (open)
15 AM MONO –
16 AM/FM –
17 IFNG –
18 STEREO I Stereo signal input.
19 SIGNAL I Tuned signal input.
20 DATA IN I Data input. (IC51)
21 DATA OUT O Data output. (IC51)
22 CLOCK O Clock output. (IC51)
23 CE O Chip enable output. (IC51)
24 Vss – Ground
25 NC –
Not used. (open)
26 NC –
27 ONCE O LED drive output (Not used)
28 DAILY O
29 REC O
30 SLEEP O LED drive output.
31 ENCODER O
32 NEXT O
33 ENCODER IN B I Encoder input. (B)
34 AU BUS OUT O Audio bus output.
35 RESET I System reset input.
36 AU BUS IN I Audio bus input.
37 ENCODER IN A I Encoder input. (A)
38 RDS-CLOCK I RDS clock input.
39 RDS-DATA I RDS data input.
40 V
DD – Power supply 5V.
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