Topcom BUTLER 4850 Service Manual Download Page 9 | Manualshive

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Schematic Diagram

Base / MPU part

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Summary of Contents for BUTLER 4850

Page 1: ...ed 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 whol...

Page 2: ...UMERAL 3 HS FRONT COVER 4 SCREW FOR PANEL 5 HS HARD FUNCTION KEY 6 RUBBER KEYPAD 7 KEY HOLDER 8 H S PCBA 9 CHARGE PIN 10 BATTERY PLATE 11 BATTERY DOOR 12 SCREW FOR COVER ASSEMBLY 13 BATTERY 14 H S REA...

Page 3: ...Exploded View Base unit TO BE PROVIDED 3...

Page 4: ...H M 6 4 5 3 A A U T C E D r e v i e c s n a r t 5 9 5 3 A A U p m a r e w o p z H G 9 1 r e t l i f C R 5 0 4 6 P A B e d o i d n i P r o t a l u g e R t i u c r i c V 3 3 d n a r e g r a h C t c e t...

Page 5: ...Block Diagram Handset unit 5...

Page 6: ...1 4 3 e n o h p r e k a e p s r e i f i l p m a r e g n i r C I M M O R P E E 2 3 A A 4 2 l a t s y r C z H M 4 2 8 3 1 6 4 5 3 A A U T C E D r e v i e c s n a r t 5 9 5 3 A A U p m a r e w o p z H G...

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...

Page 20: ...can not register the additional handsets on it any more You have to remove one unused handset from the base before you register a new handset A How can I remove all handsets from a base Q You need to...

Page 21: ...iquid alcohol Charging does not work 1 The two charging contact pins is dirty 2 The charging circuit of either the handset or base is broken Clean the contact pins It looks that handset is linked to b...

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