Dtmf interface pcb wiring diagram – Raymarine Ray230 User Manual

Page 109

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4-10

Maintenance

DTMF Interface PCB

Wiring Diagram

RING

DET

PC601

HOOK

ON/OFF

PC602

TRANSFORMER

T601

NETWORK

RELAY

ON/OFF

Q601

PHONECELL

SX3

L1

L2

L1"

L2"

RING

OUT

HOOK

OFF

B

+

GND

J601

IC601

J602