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V80 Analyzing Training

This document provides a detailed analysis of the V80 device's training, focusing on logic testing and charging circuit verification. Training sessions scheduled include various key personnel such as Gopi, Budi, Gary, and others, covering critical components like logic, camera, audio systems, and charging circuits. The report outlines specifications for voltage regulators, charging circuit tests, LED control components, and potential key failures. Emphasis is placed on the importance of verifying phasing and current control in operational testing.

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V80 Analyzing Training

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  1. V80 Analyzing Training • Gopi - Logic. – 9.15am • Budi - Camera - 9.30am • Gary - Blue-tooth , Rotator - 10am • Lee Ming - RX. 10.30am • David - TX. 11am • Leng - PM/P-Flex/Keypad 11.30am • Pang - Audio 12pm • AOB - 12.30pm Motorola Confidential Proprietary

  2. V80 Power Management Regulators PCAP IC AUDIO Charging Cct Motorola Confidential Proprietary

  3. V80 Voltage Regulators Vbuck 1.87V (Neptune/Memory/ATI) Vboost 5.5V (5VReg/Vusb/Keypad) Aud Reg IO Reg 2.78V (Most ICs & pull-up) Charger detection control (V4 powered) IO Reg 2.78V (Most ICs & pull-up) Nept_IOReg delay circuit with 1.2V as trigger Neptune_IO Reg 2.78V Motorola Confidential Proprietary

  4. V80 Charging Circuit Current sense Resistor Schottky Diodes Midrate1 Circuit To PCAP BATT+ B+ Charging FET (current control) Midrate2 FET OV FET (OV control) Raw_Ext_B+ Motorola Confidential Proprietary

  5. TEST DESCRIPTION REF LOW SPEC HI SPEC Check B+ Phasing BATT+ & MPB by Reading Hi & Low voltages Phasing B+by Reading Hi & Low voltages 12M–Verify/Phase Voltages Motorola Confidential Proprietary

  6. Charging Path Midrate1: 0ff = FET ON On = FET Off Current sense Resistor Charging FET (current control) OV FET (OV control) Midrate2 :0ff = Main FET OFF On = Main FET ON Motorola Confidential Proprietary

  7. 12M – Charger Tests TEST DESCRIPTION REF LOW SPEC HI SPEC Phasing charger By reading hi/low current Store phasing values Verify Midrate1/2 Paths Verify OV FET Verify Off current Motorola Confidential Proprietary

  8. From C-Flex Vboost circuit Ring Tricolor LEDs Status LEDs NAV LEDs Personality Flex Joystick Circuit Motorola Confidential Proprietary

  9. Keys 2 NAV LEDs for blade keys Status LED:PCAP controlled LP3933 driver controls NAV and Tri-color LEDs Boost circuit for LED 2 pairs of Tri-color LEDs connected diagonally. P-Flex Components Motorola Confidential Proprietary

  10. 6 LEDS Light Sensor 2 EMI/ESD Filters 1 Dual Diode for each key V80 Keypad • Possible key failures: • ALL keys no function – KBxx line/s short to ground or Neptune issue • Some keys no function – KBxx line/s open or short to each other. • 1 key no function – missing/damaged dual diode/switches Motorola Confidential Proprietary

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