Ic501 Mechanism Control (Hd6433032Sk07F)/Video Board - Sony MCE-K700 Service Manual

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• IC501 MECHANISM CONTROL (HD6433032SK07F)/VIDEO board

Pin No. Pin Name
1 CMD0
2 CMD1
3 CMD2
4 CMD3
5 SACK
6 QINT
7 CHECK-LED
8 DF-XLAT
9 P90/TXD
10 SUBQ
11 SQCK
12 V
SS
13 D0
14 D1
15 D2
16 D3
17 D4
18 D5
19 D6
20 D7
21 V
CC
22 A0
23 A1
24 A2
25 A3
26 A4
27 A5
28 A6
29 A7
30 V
SS
31 A8
32 A9
33 A10
34 A11
35 A12
36 A13
37 A14
38 A15
39 A16
40 A17
I/O
I/O Input/output terminal exchanging data bus 0 with system controller
I/O Input/output terminal exchanging data bus 1 with system controller
I/O Input/output terminal exchanging data bus 2 with system controller
I/O Input/output terminal exchanging data bus 3 with system controller
O Outputs command acknowledge to system controller
O Outputs command output pulses to system controller
O Check LED control
O Serial data latch pulse output to Audio D/A converter (Not used. open)
– Not used
I
Sub Q 80bit input
O SQSO readout clock output
– Ground
I/O
I/O
I/O
I/O
Data bus input/output
I/O
I/O
I/O
I/O
– Connect to the power supply (+5V)
O
O
O
O
Address bus output
O
O
O
O
– Ground
O
O
O
O
O
Address bus output
O
O
O
O
O
— 61 —
Function