Ericsson PF 768 Manuals

1 pdf manual(s) Ericsson PF 768 for free download (Document Types: Troubleshooting instructions)

Ericsson PF 768 Troubleshooting instructions [PDF] (68 pages)

  • Identifier: id-832795
  • Brand: Ericsson
  • Device: PF 768 Cell Phone
  • Type: PDF
  • Key Aspects: Initial Startup Checklist, Product Performance Metrics, End-of-Life Handling and Disposal
  • UPD Date: 04.07.2026
  • Source File: 806967.pdf
  • Pages: 68
  • Description: Device guide for the Ericsson PF 768.
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  • PF768, Standard Electrical Repairs 4/00021-2/FEA 209 544/11.C 2 (68) Table of contents 1 Conditions .......................................................................................... 3 1.1 Component classes. ......................................................................... 3 1.2 Abbreviations. ................................................................................. 4 1.3 Pin placements ..............................................
  • PF768, Standard Electrical Repairs 4/00021-2/FEA 209 544/11.C 3 (68) 1 Conditions 1.1 Component classes. All the components in the phone are divided into classes and after every component in the troubleshooting guide you have a class written. The components are divided into four classes: A, B, C and D.The class of the component depends on how much of the phone’s performance is affected when replacing it. Class A and B:A test call towards the “real”
  • PF768, Standard Electrical Repairs 4/00021-2/FEA 209 544/11.C 4 (68) 1.2 Abbreviations. A: The power module at some phones. B: Crystal. C: Capacitor. D: Digital circuit. F: Over voltage protection. G: VCO. H: Buzzer, LED, pads for display. J: Connector. L: Coil. N: Analogue circuit. R: Resistor. S: Keyboard pads. U: BALUN. A circuit that converts a signal from balanced to unbalanced or the opposite. V: Transistor or diode. X: Contact surface at the circui
  • PF768, Standard Electrical Repairs 4/00021-2/FEA 209 544/11.C 5 (68) SIMCLK: Clock signal from the processor used for communications with the SIM. SIMDAT: Data signal from the processor used for communications with the SIM. SIMRST: Reset signal from the processor used for communications with the SIM. SIMVCC: Feed voltage for the SIM. SWDC: Switched VBATT. VANA: DC voltage for the analogue part of the logic (N800). VBATT: Battery voltage. VDIG: DC voltage f
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Approved according to 2/FEA 209 544 Trouble-shooting instruction PF 768 Service Manual by Toko 4/00021-2/FEA 209 544/11.C PF768, Standard Electrical Repairs

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