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Topcom Butler 4850 Service Manual

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Download this manual See also: User Manual
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-

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Summary of Contents for Topcom Butler 4850

  • Page 1 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.

  • Page 2: Exploded View

    Exploded View Handset unit BATTERY H/S PANEL (SINGLE) H/S REAL COVER H/S HARD KEY (NUMERAL) CUSHION HS FRONT COVER LIGHT GUIDE SCREW FOR PANEL SPEAKER HS HARD FUNCTION KEY LCD BRACKET RUBBER KEYPAD KEY HOLDER LCD COVER H/S PCBA RECEIVER CHARGE PIN SCREW FOR PANEL BATTERY PLATE...
  • Page 3 Exploded View unit Base (TO BE PROVIDED)

  • Page 4: Block Diagram

    Block Diagram Base unit...
  • Page 5 Block Diagram Handset unit...

  • Page 6: Schematic Diagram

    Schematic Diagram Handset / MPU part...
  • Page 7 Schematic Diagram Handset / RF part...
  • Page 8 Schematic Diagram Handset / LCD part...
  • Page 9 Schematic Diagram Base / MPU part...
  • 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

    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

    Frequently Asked Questions A: How can I change the PIN code? -19-...

  • Page 20: Troubleshooting

    I tried many times but still failed to register the handset on the base, why is that? Q: one Butler 4850 base can have 4 handsets registered on it at maximum, if your Butler 4850 base already has 4 handsets registered, you can not register the additional handsets on it any more.
  • Page 21 Problem symptom Possible cause Solution Handset can not be Data disorder in EEPROMs Reprogram EEPROMs with registered and linked to the programming jig. base. Handset keypad does not Keypad is dirty. Clean the conduct resin work well. with a soft dry cloth and golden finger with liquid alcohol Charging does not work.

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