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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. V80 Power Management. Regulators. PCAP IC. AUDIO. Charging Cct.
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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
V80 Power Management Regulators PCAP IC AUDIO Charging Cct Motorola Confidential Proprietary
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
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
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
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
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
From C-Flex Vboost circuit Ring Tricolor LEDs Status LEDs NAV LEDs Personality Flex Joystick Circuit Motorola Confidential Proprietary
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
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