Ic Pin Functions - Sony STR-V220 Service Manual

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4-11. IC PIN FUNCTION
• IC201 uPD78044FGF-145-3B9 (Display board)
Pin Name
Pin No.
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 (LV1010)
14 REAR-R
15 BRIDGE
16 PROTECT
17
RESET
18 AUTO-STOP
19 STEREO-IN
20
AVSS
TE
L 13942296513
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
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I/O
O
O
O
O Fluorescent indicator tube drive
O
O
O
Power supply (+5V)
—
I System clock
I System data
PLL data input from TU001
I
O Chip enable output
O Chip enable output
Input for model select (Connected to ground)
I
I Protector detect input
I Protector detect input
System reset terminal
I
I Auto stop detect input
I Stereo detect input
Ground
—
O Speaker relay drive
O Surround Relay
Power relay drive
O
— Ground (Not used)
I A/D signal input terminal
A/D3 key input terminal
I
I A/D2 key input terminal
I A/D1 key input terminal
Power supply (+5V)
—
— Reference voltage (+5V)
— Ground
Not used (Open)
—
— Ground
I System clock (4.19MHz)
System clock (4.19MHz)
O
Mute drive output for µPD2581V (IC701)
O
O Plologic LED (Not used)
CINEMA STUDIO LED (Not used)
O
HALL LED (Not used)
O
O Tuner mute drive output
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