BayCom OSCAR User Manual download pdf (Page 3)

1 Overview

The kit allows the construction of OSCAR, a CD-ROM or hard disk based MP3 player. The kit consits

of the following components:

1. Main PCB (PCB = printed circuit board), 100* 160mm

2. Front PCB, with switches and rotary encoder, cable for connection to main board

3. LCD-Display, four lines, 20 digits

4. Flat cable for the connection between display and front PCB

5. This manual and OSCAR manual

Not part of the kit, but necessary for operation are the following components:

- ATAPI-CD-ROM drive. Toshiba brand (e.g. XM6402B, XM6502B) is recommended

- Power supply 12V 2A, 5V 2A, stabilized

- AT-Bus-Cable 40p

- Audio-Cable from CD ROM to main board, 4p, shielded (standard computer audio cable)

- Cable for headphone and amplifier connection

2 Assembly

As the first steps, the connections between display, front PCB and main PCB are established. Then,

the main PCB is connected to the CD ROM drive and the power supply.

2.1 Connection Display – Front PCB

The display is connected to the front PCB via two 6 p. cables as shown on the drawing. This connects

the LCD data bus, but also the power supply for the LED background lighting.

Use the flat cable in the kit for soldering the connection. The four pins in the middle of the connector

need not be connected. Please keep the connection as short as possible, to avoid interferences the

cable should not exceed 30-40cms in length.

Display

IR-

Sen

sor

Front PCB

Connector to main PCB

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BayCom OSCAR User Manual Page 3