Ic1501 Surround System Control - Sony SA-VA100 Service Manual

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• IC1501 Surround system Control (New: µPD78042FGF-026-3B9, Former: µPD78042FGF-017-3B9)
Pin No. Pin Name
1
—
2 CENTER MUT
3 REAR MUT
4 S/W MUT
5 CENTER EXT MUT
6 FRONT MUT
7 CENTER EXT/INT
8 VDD
9 PLO/DELAY-CE
10 PLO/DELAY-DATA
11 PLO/DELAY-CLK
12 to 16 —
17 RESET
18 to 20 —
21 AVSS
22 to 26 —
27 SP-SW
28 KEY0
29 AVDD
30 AVREF
TE
L 13942296513
31 —
32 XT2
33 VSS
34 X1
35 X2
36, 37 —
POW-RY
38
SP-RY
39
STR-OUT
40
CENTER EXT-SW
41
S/W VOL-CLK
42
43 S/W VOL-DATA
44 S/W VOL-CE
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I/O
Not used
—
O
O
O Mute ON/OFF output "L": ON
O
O
O Center speaker select switching output "L": internal, "H": external
— +5V power supply
O
O Dolby IC serial control
O
— Not used
I Reset input "L": reset
— Not used
— Ground (A/D)
— Not used
Speakers/Headphones switching input
I
Not used
—
+5V power supply (A/D)
—
A/D reference voltage intut (+5V)
I
—
Not used
O
Ground
—
I
Clock (5MHz)
O
Not used
—
AC power ON/OFF relay output
O
Speakers ON/OFF relay output
O
Remote control signal outoput (inside)
O
Center speaker internal/external select switch input "L": internal, "H": external
I
O
Serial control output of super woofer volume IC
O
O
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2 9
8
Function
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9 4 2 8
0 5 8 2 9 9 4 2 8
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9 9
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