Solved Redmi 6A Dead Phone Measurement Points

This topic has been solved

DenBagus Metrix

Active Member
Jul 20, 2019
19
16


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
VPH_PWR :
========
  • 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
CMIIW
BEST REGARD
DENNY DENBAGUS
METRIXFLASHER INDONESIA
 

DenBagus Metrix

Active Member
Jul 20, 2019
19
16
VBAT REDMI 6A WAYS

J0002
BATTERY CONNECTOR
2_11 : VBAT TP19
- U2501-B C2603
VBAT G1
VBAT G2
VBAT H1
VBAT H2
  • C0501
  • U2001-C POWER_MT6357 C2201
  • U3201 L/M/H PA = lOW MIDDLE HIGH BAND POWER AMPLIFIER
  • U3310 RF-TR-SKY77912-61 = RADIO FREQUENCY TRANSMITTER RECEIVER

VSYS F1
VSYS F2
VSYS E1
C2605 PL2601 VSYS

VSYS : AT MT6357 PMIC
C2001 AS VBUCK CTRL INPUT
C2006 AS VPROC IN FOR VPROC AT PL2001 DVDD_DVFS Dynamic Voltage Frequency Scaling
C2011 AS VCORE IN FOR VCORE AT PL2002 DVDD_CORE Digital CORE power for processor
C2012 AS VMODEM IN FOR VMODEM AT PL2003 DVDD_MODEM RF chip Digital
C2003 AS VPA IN FOR VPA PL2004 VPA_PMU power amplifier
C2004 AS VS1 IN FOR VS1 PL2005 VS1_PMU
C2105 AS
- VSYS_LDO1 IN FOR :
VRF18 AT C2144 AS VRF18_PMU
VCN18 AS VCN18_PMU
VCAMD AS VCAMD_PMU
VCAMIO AS VCAMIO_PMU
VIO18 AT C2139 AS VIO18_PMU

- VSYS_LDO2 IN FOR :
VRF12 AT C2159 AS VRF12_PMU
VSRAM_PROC AT C2157 AS DVDD_SRAM_DVFS
VSRAM_OTHERS AT C2156 AS VSRAM_OTHERS_PMU
VDRAM AT C2161 AS VDRAM_PMU

- VSYS_LDO3


AT C2117 VXO22_PMU
AT C17 VCN28_PMU
AT C2305 C2306 VIO18_PMU
AT C2114 VAUX18_PMU


CMIIW
BEST REGARD
DENNY DENBAGUS
METRIXFLASHER INDONESIA
 
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