Read Sony STR-V220 Service Manual online
– 26 –
Pin No.
Pin Name
I/O
Function
• IC201 uPD78044FGF-145-3B9 (Display board)
4-11. IC PIN FUNCTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
O
O
O
O
O
O
O
—
I
I
I
O
O
I
I
I
I
I
I
—
O
O
O
—
I
I
I
I
—
—
—
—
—
I
O
O
O
O
O
O
Fluorescent indicator tube drive
Power supply (+5V)
System clock
System data
PLL data input from TU001
Chip enable output
Chip enable output
Input for model select (Connected to ground)
Protector detect input
Protector detect input
System reset terminal
Auto stop detect input
Stereo detect input
Ground
Speaker relay drive
Surround Relay
Power relay drive
Ground (Not used)
A/D signal input terminal
A/D3 key input terminal
A/D2 key input terminal
A/D1 key input terminal
Power supply (+5V)
Reference voltage (+5V)
Ground
Not used (Open)
Ground
System clock (4.19MHz)
System clock (4.19MHz)
Mute drive output for
µ
PD2581V (IC701)
Plologic LED (Not used)
CINEMA STUDIO LED (Not used)
HALL LED (Not used)
Tuner mute drive output
DIG7
DIG6
DIG5
DIG4
DIG3
DIG2
DIG1
+5V
S. CLK
S. DATA
PLL. DATA
S. CE (LC7288)
S. CE (LV1010)
REAR-R
BRIDGE
PROTECT
RESET
AUTO-STOP
STEREO-IN
AVSS
SP-RY
SURR-RY
POWER-RY
AVSS
SIGNAL
A/D3
A/D2
A/D1
AVDD
AV. REF
GND
NC
VSS
X1
X2
IC. MUTE
PROLOGIC
SIMULATED
HALL
T. MUTE
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