Butler 4850
Service Manual
V1.0
Confidential
The information contained in this document is the property of Topcom Asia Limited, it must
not be publicly revealed for commercial purposes in any form or by any means (electronic, photocopying, recording
or else), either in whole or in part without the written agreement of Topcom Asia Limited.
-1-
Summary of Contents for BUTLER 4850
Page 3: ...Exploded View Base unit TO BE PROVIDED 3...
Page 5: ...Block Diagram Handset unit 5...
Page 7: ...Schematic Diagram Handset RF part 7...
Page 8: ...Schematic Diagram Handset LCD part 8...
Page 9: ...Schematic Diagram Base MPU part 9...
Page 10: ...Schematic Diagram Base RF part 10...
Page 11: ...Schematic Diagram Base telephone line part 11...
Page 12: ...Schematic Diagram Base TAM part 12...
Page 13: ...Schematic Diagram Base Key Board 13...
Page 14: ...PCB Layout Base main board 14...
Page 15: ...PCB Layout Base LED board 15...
Page 16: ...PCB Layout Base Key board 16...
Page 17: ...PCB Layout Base Flash IC board 17...
Page 18: ...PCB Layout Handset Main board 18...
Page 19: ...Frequently Asked Questions A How can I change the PIN code 19...