4-8

Maintenance

Block Diagram - RF PCB

SQ ADJ

RF AMP

Q16

ANT

LPF ANT SW

D1 D2

D/L SW

D11 Q17

D/L

RF AMP

Q21

DIVIDER

L37

RF AMP

Q18

D12-D16

1st MIX

Q22

BUFF AMP

Q25

1st MIX

Q19

FILTER

16.9MHz

F3

OSC

MULT

Q24

FILTER

21.6MHz

F1

1st IF AMP

Q23

49.54MHz

1st IF AMP

Q20

2nd IF MIX AMP DET

IC9

FILTER

F4

16.445MHz

455kHz

2nd IF MIX AMP DET

IC7

FILTER

DE-EMPHASIS

70cH

IC10

AF OUT

 

BUSY 2

FREQ ADJ

 

TONE DET

1050Hz

IC11

DET

DISC OUT

DE-EMPHASIS

ALLcH

IC8

AF OUT

( 1/2 )

 

 

SQ INP

VCP

DC AMP

 

BUFF AMP

 

 

IC8

 

D9

Q14

( 2/2 )

 

 

 

 

 

 

 

 

RIPPLE FILTER

Q8

F2

21.545MHz

455kHz

VCO T/R SW

VCO T/R

Q9

BUSY 1

LOCK DET

UNLOCK

IC5 D10

POWER AMP

DRIVE

BUFF AMP

SW

VCO

LOOP FILTER

PLL

CLOCK

IC1

Q1

Q2

D7 D8

IC3 Q10-Q12

LOOP SW

IC4

DATA

LE1

RF DET

Q4

APC

IC2 D4-D6

Q3 Q5-Q7

HIGH LOW

POWER ADJ

POW LOW

RF DET

IDC

MIC/DSC

IC6

MOD ADJ

6V

8V

T8V

SW

R5V

D19 Q30-Q32

R8V

5V

PTT

6V REG

IC14

SW

Q33 Q34

BUFF AMP

Q13

8V REG

IC12

5V REG

IC13

 

 

12.8MHz

DSC MOD

 

 

 

 

 

 

MOD ADJ

 

 

 

EXT +B OUT

SW

POWER ON/OFF

BATT +

RL1

D17 D18

Q28 Q29

BATT -

Q26

Q27

 

 

RY ON/OFF

RF ON/OFF

Page 107
Image 107
Raymarine Ray230 manual Block Diagram RF PCB

Ray230 specifications

The Raymarine Ray230 is a sophisticated VHF marine radio designed for recreational and commercial boating enthusiasts seeking reliable communication and advanced features in a compact unit. This device stands out for its robust performance and user-friendly interface, making it an indispensable tool for maritime navigation and safety.

One of the key features of the Ray230 is its digital selective calling (DSC) capability. This technology allows users to send distress signals at the touch of a button, ensuring prompt assistance in emergencies. The DSC feature also enables routine calls to other vessels equipped with similar technology, enhancing safety during voyages.

The Ray230 boasts a power output of 25 watts, providing long-range communication capabilities. This ensures that users maintain clear voice contact with other vessels and shore stations over substantial distances, even in challenging conditions. With 10 channels for enhanced communication, users can seamlessly switch between frequencies as needed.

Additionally, the Ray230 includes advanced audio functionalities. It is equipped with a built-in loudspeaker and offers an optional external speaker connection for improved sound clarity. The noise-cancellation technology integrated into the device minimizes background noise, allowing for clear conversations, even in windy or turbulent conditions.

Another highlight of the Ray230 is its compatibility with Raymarine's other onboard technologies. The device can be integrated with chartplotters, radar systems, and other electronic equipment, providing a comprehensive navigation solution. This integration allows users to see their VHF communication on display screens, facilitating easier operation and monitoring.

The Ray230 features an intuitive user interface with large buttons and clear backlit display, ensuring easy operation day or night. The display provides essential information, including channel status, battery voltage, and signal strength. The radio can also store up to 20 favorite channels for quick access, enhancing user convenience.

Additionally, the Ray230 is built with durability in mind. It meets international standards for waterproofing and is designed to withstand the rigors of marine environments.

In summary, the Raymarine Ray230 is a powerful and reliable VHF marine radio that combines essential safety features with advanced communication technologies. Its integration capabilities, user-friendly design, and robust build make it an ideal choice for boating enthusiasts looking to enhance their maritime experience. Whether navigating coastal waters or engaging in offshore adventures, the Ray230 ensures that users stay connected and safe on the water.