Sony DPP-MS300E, Service Manual

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MP-40 BOARD IC1501 HG72C306AH05TE1 (PC CARD CONTROLLER)
Pin No. Pin Name I/O Description
1 H A2 I
Address signal input from the system controller (IC503) and PC card slot
2 H INPACK O
Not used (pull up)
3 H REG I
Register access signal input from the system controller (IC503)
4 NC —
Not used (open)
5 H STSCHG I/O
Not used (pull up)
6 H A1 I
Address signal input from the system controller (IC503) and PC card slot
7 H A0 I
Address signal input from the system controller (IC503) and PC card slot
8 GND —
Ground terminal
9 to 11 H D0 to H D2 I/O
Two-way data bus with the A/D, D/A converter (IC407), system controller (IC503), mechanism
controller (IC505), ROM (IC506), D-RAM (IC509) and PC card slot
Data input from the centronics parallel port
12 H IOIS16 O
Write protect signal output to the system controller (IC503)
13 to 15 H D8 to H D10 I/O
In/out terminal for the data signal Not used (fixed at “L”)
16 VCC —
Power supply terminal (+5V)
17 NC —
Not used (open)
18 RESET I
System reset signal input from the system controller (IC503) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
19 D S CST B I
Input terminal for the test (normally: fixed at “H”)
20 TA2 I
Input terminal for the test (normally: fixed at “H”)
21 GND —
Ground terminal
22 XIN I
System clock input terminal (20 MHz)
23 XOUT O
System clock output terminal (20 MHz)
24 GND —
Ground terminal
25 VCC —
Power supply terminal (+5V)
26 to 33 NC —
Not used (open)
34 GND —
Ground terminal
35 to 39 NC —
Not used (open)
40 IN F RDY 2 I
Not used (open)
41 NC —
Not used (open)
42 D S CSW B I
Not used (fixed at “H”)
43 F CEB 2 I
Not used (fixed at “H”)
44 F VEB 3 I
Not used (fixed at “H”)
45 T I
Input terminal for the test (normally: fixed at “L”)
46 VCC —
Power supply terminal (+5V)
47 IN F RDY 1 I
Not used (open)
48 GND —
Ground terminal
49 P RES O
Reset signal output to the memory stick/PC card micro computer (IC1502)
50 NC —
Not used (open)
51 GND —
Ground terminal
52 P IREQ2 O
Interrupt request signal output to the memory stick/PC card micro computer (IC1502)
53 P IREQ1 O
Interrupt request signal output to the memory stick/PC card micro computer (IC1502)
54 P IREQ0 O
Interrupt request signal output to the memory stick/PC card micro computer (IC1502)
55 P WR O
Data write enable signal output to the memory stick/PC card micro computer (IC1502), memory
stick controller (IC1503) and static RAM (IC1504)
56 P RD O
Data read enable signal output to the memory stick/PC card micro computer (IC1502), memory
stick controller (IC1503) and static RAM (IC1504)