Sony ST-JX661, Руководство по обслуживанию

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SECTION 3
EXPLANATION OF IC TERMINAL
IC701 µPD78042AGF-078-3B9 (FL DRIVER)
Pin No. Pin name I/O Description
1 G7 O
2 G6 O
3 G5 O
4 G4 O FL drive.
5 G3 O
6 G2 O
7 G1 O
8 VDD – Power supply (+5V)
9 PLL CE O Chip enable output to PLL IC.
10 PLL DATA OUT O PLL data output.
11 PLL CLK I PLL clock input.
12 PLL DATA IN I PLL data input.
13 AST I Tuned signal input.
14 ST I Stereo signal input.
15 NC – Not used. (Ground)
16 NC – Not used. (Ground)
17 RESET I System reset input.
18 DC CUT – Not used. (Open)
19 NC – Not used. (Open)
20 AVSS (GND) – Ground.
21 MUTE O Line mute output.
22 NC – Not used. (Open)
23 NC – Not used. (Open)
24 NC – Not used. (Open)
25 MODEL – Not used. (Ground)
26 KEY 3 I Key input.
27 KEY 2 I Key input.
28 KEY 1 I Key input.
29 AVDD – Power supply (+5V)
30 AVREF – Analog voltage reference.
31 GND – Ground.
32 NC – Not used. (Open)
33 GND – Ground.
34 X1 I System clock. (5MHz)
35 X2 O System clock. (5MHz)
36 NC – Not used. (Open)
37 POWER SW I Power switch input.
38 NC – Not used. (Ground)
39 NC – Not used. (Ground)
40 NC – Not used. (Ground)