Ic Pin Function Description - Sony STR-DE425 Service Manual

3-11. IC PIN FUNCTION DESCPIRTION
• IC201 µPD78044FGF-112-3B9
Pin No. Pin Name
1 DIG7
2 DIG6
3 DIG5
4 DIG4
5 DIG3
6 DIG2
7 DIG1
8 +5V
9 S. CLK
10 S. DATA
11 PLL. DATA
12 S. CE (LC7288)
13 S. CE (LV100)
14 REAR-R
15 BRIDGE
16 PROTECT
17 RESET
18 AUTO-STOP
19 STEREO-IN
20 AVss
21 SP-RY
22 SURR-RY
23 POWER-RY
24 AVss
25 SIGNAL
26 A/D3
27 A/D2
28 A/D1
29 AVDD
30 AV. REF
31 GND
32 NC
33 Vss
34 X1
35 X2
36 IC. MUTE
37 PROLOGIC
38 SIMULATED
39 HALL
40 T. MUTE
I/O
O
O
O
O Fluorescent indicator tube drive.
O
O
O
— Power supply (+5V).
O System clock.
O System data.
I PLL data input from TU001.
O Chip enable output.
O Chip enable output.
O Input for model select.
O Relay control.
I Relay control.
I System reset terminal.
I Auto stop detect input.
I Stereo detect input.
— Ground.
O Speaker relay drive.
O Surround Relay.
O Power relay drive.
— Ground.
I A/D signal input terminal.
I A/D3 key input terminal.
I A/D2 key input terminal.
I A/D1 key input terminal.
— Power supply (+5V).
— Reference voltage (+5V).
— Ground.
— Not used (Open).
— Ground.
O System clock (4.19MHz).
I System clock (4.19MHz).
O Mute drive output for NJM2279 (IC251).
O Plologic LED.
O CINEMA STUDIO LED.
O HALL LED.
O Tuner mute drive output.
— 25 —
Description