- Jul 20, 2019
- 19
- 18
https://postimg.cc/7fxVNf7V
VBAT WAYS REDMI 6 A — Postimage.org
Redmi 6
Power Key = PWRKEY TP 25
SYSRST TP 37
WATCHDOG TP 44
SRCLKENA0 TP 45
SRCLKENA1 TP 46
RTC32K_CK TP 47
XTAL1 MT6357 M1 KE X2201 AS HOT PIN 1 INPUT , THEN OUT WITH XTAL2 LINE TO MT6357 N1
XTAL 26MHz DISTRIBUTION PIN XO_SOC R3 THROUGH R2212 AT C2208 PMIC_CLK_BB LINE TO MT6765 AB13 MAIN_X26M_IN
R2235 AVDD18_AUXADC = 1.8V
X2201 XTAL-26M-CT2520DB26000C0FLZA1
REDMI 6A LOGIC CONTROL MEASUREMENT POINTS
FASTES ANALYZING REPAIR STEPS BY DENBAGUS METRIXFLASHER
STEPS :
PUSH ON OFF BUTTON AS THE WAY TO TURN ON THE PHONE
WILL PULLING THE POWERKEY TO A LOW LEVEL CONDITION
WHEN ALL DEFAULT INTERNAL PMIC REGULATORS ARE TURN ON IN TURN
THE SYSTEM RESET (SYSRST) IS OVER
AFTER THAT THE BASEBAND MT6765 WILL SEND THE WATCHDOG SIGNAL BACK TO THE PMIC MT6357
FOR CONFIRMATION ...
WHILE SEND SYSCLOCK REQUEST
BASEBAND NEED FREQUENCY AS CLOCKING SYSTEM
( PMIC_CLK_BB ) TO RUN ALL OPERATING SYSTEM
VBAT :
- U4 = FUEL GAUGE = TAKARAN BAHAN BAKAR / BATTERY -- > SOC / CPU
- U5 = SMB SWITCH MODE BATTERY / IC SWITCH CHARGER
========
- HK PM8937
- VREG1 PM8937 U0701-D ==> SUMBER SMPS = BUCK REGULATOR
- VREG2 PM8937 ==> SUMBER LDO
- CDC PM8937
- U1902 FP 2P8 REGULATOR
- U1910 LED DRIVER
- U2001 VIBRATOR MOTOR
- U1201 AUDIO AMPLIFIER
- U2201 SWITCH UART / CDC
- U903 IC LCD DUAL VOLTAGES
- U901 LED DRIVER
- U2102 BLITZ FLASH LED CAM
- U2401 LDO CAM
- Q2501 INFRARED REMOTE
- U3203 LMH PA
- R3302 VBAT_RF
BEST REGARD
DENNY DENBAGUS
METRIXFLASHER INDONESIA
