9.
Input Signal Selector
Selects input signal to active the FWD, AFT, INT, or EXT speaker(s).
10.
10. Tone Generator
Generates a horn and alarm sound for the RAY430. This generator is controlled by the CPU
to produce correct sound patterns and signal timing for various automatic or manual signal
outputs.
11.
LCD Driver
U-202 Controls the LCD display.
12.
12. LCD
The LCD is a custom LCD featuring 1 2 characters on a Dot Matrix display. The bar for the
volume and the intercom call numbers are displayed with 16 segment x 8 characters.
13.
EL Driver
Drives the EL, controlled by On/Off & Dimmer control knob.
14.
EL
Backlights the LCD display.
4-2
Summary of Contents for RAY430
Page 1: ...Ray430 Loudhailer Owner s Handbook...
Page 10: ...Figure 2 2 Outline and Mounting Dimensions 2 4...
Page 15: ...Figure 2 8 RAY430 Electrical Connections 2 9...
Page 16: ...2 10...
Page 30: ...3 14...
Page 33: ...Figure 4 1 RAY430 Block Diagram 4 3...
Page 34: ...4 4...
Page 38: ...5 4...
Page 48: ...6 4 INTERNAL WIRING DRAWING 6 11 Figure 6 2 Block Diagram...
Page 49: ...6 12 6 5 LINEAR A SCHEMATIC DIAGRAM Figure 6 3 Schematic Diagram Linear A Section...
Page 50: ...Figure 6 4 Schematic Diagram Linear B Section 6 13 6 6 LINEAR B SCHEMATIC DIAGRAM...
Page 52: ...6 15 6 9 CPU PCB SCHEMATIC Figure 6 7 Schematic Diagram Main Section...
Page 54: ......
