service manual sacd/dvd receiver - Diagramas Gratis - Diagramas ...

• DVD BOARD IC902 PT3000 (MECHANISM DECK CONTROLLER)
Pin No. Pin Name I/O Description
1 VSS — Ground terminal
2 RESET I Reset signal input from the system controller “L”: reset
3 CLK I Serial data transfer clock signal input from the system controller
4 LAT I Serial data latch pulse signal input from the system controller
5 P15 I Disc in/out switch input terminal “L”: when a disc is ejected
6 P14 I Disc in/out switch input terminal “L”: when a disc is inserted
7 to 10 P13 to P10 I Mode detect rotary encoder input terminal
11, 12 P9, P8 I Not used
13 LATCHO O Serial data latch pulse signal output terminal Not used
14 CLKO O Serial data transfer clock signal output terminal Not used
15 DO1 O Serial data output terminal Not used
16 DI2 I Serial data input terminal Not used
17 to 19 P7 to P5 O Not used
20 P4 O LED drive control signal output of the disc insert detect sensor “H”: LED on
21, 22 P3, P2 O Eject motor drive control signal output
23, 24 P1, P0 O Loading motor drive control signal output
25 DO2 O Serial data output to the system controller
26 DI1 I Serial data input from the system controller
27 PULLUP — Connected to power supply (+5V)
28 VCC — Power supply terminal (+5V)
HCD-S550/S880
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