Motorola Confidential Proprietary Gopi - Logic. – 9.15am Budi - Camera - 9.30am Gary - Blue-tooth, Rotator - 10am Lee Ming - RX. 10.30am David - TX. 11am.

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Presentation transcript:

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

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

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

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

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

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

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

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

Motorola Confidential Proprietary V80 Keypad 2 EMI/ESD Filters 6 LEDS Light Sensor 1 Dual Diode for each key 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