REDMI 5A Audio Problem Measurement Points

[DenBagus Metrix]

REDMI 5A AUDIO PROBLEM
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https://postimg.cc/qhjf0zjT
AUDIO LIES AT CDC ROOM PM8937
WHERE THIS ROOM NEED VOLTAGES ARE :

• VREG_L5_1P8 AT C1005 AS DIGITAL VOLTAGE FOR CODEC SECTOR
• VREG_S4_2P05 AT C1020 AS POWER AMPLIFIER VOLT INPUT
• VREG_S4_2P05 AT C1004 AS CHARGE PUMP
• VPH_PWR AT C1024 AS MAIN POWER VOLTAGE FOR BOOSTER REGULATOR LOUDSPEAKER DRIVER

CHECK RESISTANCE VALUE :

• CDC_HS_DET LINE AT R1001
• CDC_HPH_REF LINE AT R1010 C1009
• CDC_HPH_L LINE AT R1020 C1013
• CDC_HPH_R LINE AT R1022 C1014

MAKE SURE THAT ALL OFF LANES NOT SHORTED

CMIIW
BEST REGARD
DENNY DENBAGUS
METRIXFLASHER INDONESIA
+6282117205208