Recent content by p99p

R5010 Value is OK C5010/11 no short to ground caps are looking good I don't have a dono (does is right ? Is it called dono ?) board ATM for this is if tried to test another crystal from a broken 820-00840 with 24Mhz I inject 1V and was taking a measurement with o-scope it was showing 24Mhz, so...

PP3V3_S5_SMC_VDDA at L4901 3,415 PP3V3_S5_SMC 3,3 SMC_WAKE_L 3,129 PP1V2_S5_SMC_VDDC 1,2 SMC_RESET_L 3,3 WIFI_EVENT_L 0 SMC_CLK32K 0 SMC_EXTAL 0 SMC_XTAL 0 SMC_TCK 3,4 SMC_TMS 0 SMC_TDO 0 SMC_TDI 3,4 PP3V3_S5_AVREF_SMC 3,29 Y5010 no voltage no...

Sry for late response was late here so here are the messurements PP3V42_G3Hat C6908 = 3,416V SMC_PM_G2_EN at R7940 = 0V I hope this are the right SCL/SDA lines: SMBUS_SMC_5_G3_SCL = 3,416V // .508 SMBUS_SMC_5_G3_SDA = 3,415 // .509

I get a 820-3462 board with bad battery and some corrosion on c7517 changed the cap and clean up the area but still no green light on charger PPBUS_G3H is pretty low with 12,3V SMC_RESET_L is present SYS_ONEWIRE is present too i reballed SMC but still no change some hints for me ?

i get stable 0,952v the hole time CPUVR_PWM1/2 are pulsing around 760kHz

[UPDATE] Don't give up too soon after reading some stuff here at the Forum I noticed PM_PGOOD_CPUVCC shot NOT be present in my case with no PPVCCOPC_s0G present and the only issue can be a bad solder join at U7100 I don't remember exactly but i think on Pin 48 or on Pin47 so after cleaning...

After replacing the chip still same result 20V 200mA No boot I figured out that CPU_ZVM_L on U7790 is missing so no PPVCCOPC_s0G for the CPU too so maybe last option dead CPU ? feels bad that i fried a working system just by soldering a CD3215 not properly but so far i learnt a bunch off...

can i swap bios chip from another board from the same model from the same yer ? or do i need some firmware configuration here ?

L7730: 1,055V L7370: 0V Whats about SYSCLK_CLK32K_PCH from U1900 its Missing ATM 24MHz and 12MHz are Present

Okay i Changed U3200 again and my short on PP3v3_UPC_XB_LDO and PP1V8_UPC_XB_LDO is now gone the CD3215 area is not feeling hot anymore ... meanwhile i have a hole boneyard with CD3215 chips only from this board ... but its okay its still fun for me to figure out this kind of failure Now i...

No on L7210/20 i get 0,0001V so its just tolerance from my Fluke i think so so its basicly 0V there also after 15s So are the low resistance values of this lanes are normal ? did anyone can confirm this ? or can messure it out on a working board ?

Thank u for u response I get a bad chipjust aboveY3000 its not shown on my BRD view so i thinks this could be the PI3USB32224 chip it was verry hot too i swaped this chip too You are right its only one CD3215 at the time getting hot the tipp with VCCGT is good for me thank you PPDCIN_G3H...

Hi, I'm currently working on an 820-00840, I bought the device myself with water damage, so please don't be too hard on me if I have done something wrong up to this point, I mainlywanne study this repair matter to get into this I would also like to apologize in advance for my bad English. The...

first of all, thank you for your help and your time Today I tried again inject voltage into 3v3_s5g and cpu was getting clearly hot hat 2,2v and 3,5A i think that confirms my thought of a dead cpu ?

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