Sony HCD-M100 Service Manual page 52

MAIN BOARD IC401 CXP84632-158Q (CD CHANGER CONTROL)
Pin No. Pin Name
1 —
2 ICSW
3 —
4 HHOUT
5 —
6 to 13 D0 to D7
14 to 28 A0 to A14
29 /WE
30 RESET
31 10MHz
32 10MHz
33 VSS
34, 35 —
36 AVSS
37 AVREF
38 to 41 —
42 D-SENS
43 to 46 —
47 SLED-P
48 CLK
49 SUBQ
50 DATA
51 to 53 —
54 FOK
55 WRQ
56 —
57 TGL
58 RWC
59 SLED-M
60 —
61 to 63 TSENS1 to TSENS3
64 DQSY
65 TCLK
66 TDATA
67 TMODE
68 —
69 DOORSW
70 OUTSW
71 INSW
72 VDD
73 —
74 TBLR
75 TBLL
76 LODOUT
77 LODIN
78 IICCLK
79 —
80 IICDAT
52
I/O
— Not used
O IC reset signal output
— Not used
O Plus one LED signal output
— Not used
I/O SRAM data I/O
O SRAM address output
O SRAM write enable output
I Reset signal input
O X'tal(10MHz)
I X'tal(10MHz)
— Ground
— Not used
— Analog ground
I Analog refernce voltage input
— Not used
I Disc detect sensor signal input
— Not used
O Sled motor control signal output
O Clock signal output for LC78622E
I CD sub-code input from LC78622E
O Command output for LC78622E
— Not used
I DRF(FOK) signal input from LC78622E
I Sub-code synchronizing signal input from LC78622E
— Not used
I Tracking gain control signal input from LC78622E
O RWC(latch) output for LC78622E
O Sled motor control output
— Not used
I Table sensor input
I Data synchronizing signal input from decoder
O Clock output for decoder
I Data input from decoder
O System down signal output for decoder
— Not used
I Front cover close detect input
I Loading motor out detect input
I Loading motor in detect input
— Power supply(+5V)
— Not used
O Table motor clock wise turn signal output
O Table motor counter clock wise turn signal output
O Loading motor out direction signal output
O Loading motor in direction signal output
I Serial data clock input
— Not used
I/O Serial data I/O
Function