Ic301 Deck System Control (Hd6433522P01F) - Sony SA-VA100 Service Manual

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• IC301 Deck System Control (HD6433522P01F)

Pin No. Pin Name
1 to 3 —
4
RESET
5
—
6
VCC
7 STBY
8 VSS
9 XTAL
10 EXTAL
11 MD1
12 MD2
13 AVSS
14 SHUT
15 HALF
16 AMS-IN
17 to 21 —
22 AVCC
23 to 26 D-0 to D-3
27 BUSY
28 CLK-IN
29 CLK-OUT
TE
L 13942296513
30 POWR-IN
31 VCC
32 to 39 —
40 GND
41
DOLBY-B
42
DOLBY-C
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I/O
— Not used
I Reset input "L": reset
— Not used
— +5V power supply
I Standby detection input
— Ground
O
Clock (4MHz)
I
I
Mode setting input (Fixed at "H")
I
— Ground (A/D)
I Reel table detection input
I Half switch detection input
I Auto music sensor detection input
— Not used
— +5V power supply (A/D)
I/O Y. bus data input/output
I Y. bus busy input/output
I Y. bus clock input/output
I Not used
I Power off detection input "L": OFF
+5V power supply
—
Not used
—
Ground
—
DOLBY NR B/C switching output
O
DOLBY B
O
DOLBY C
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2 9
8
Function
Q Q
3 6 7 1 3 1 5
OFF B C
H L No Fixed
H H L
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— 95 —
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9