[SOLVED]820-2330 - no chime, liquid damaged. green light.

[Alan.L]

u7100 circuit was damaged, i replaced most of the stuff.
i also have u7201, U7750 replaced as there are was corrosion.

green light, orange light can charge etc. when i turn on, the fan spin for like 10sec then stop then spin again (regular fan speed)

USB mouse's light is red.

PPBUS_G3H = 12.5v
PPBUS_CPU_IMVP_ISNS = 12.5v
PPDCIN_G3H = 16.6
PP3V42_G3H = 3.4v
PPVCORE_S0_MCP_REG = 1.06v
PPVCORE_S0_CPU = 0.988v
PP1V8_S0 = 1.8v
MCPCORES0_EN = 3.29v

C7771 - 1.1v.

original 85w charger.

 

[larossmann]

does it beep when you remove ram?

 

[Alan.L]

Does not beep

 

[Alan.L]

nvm..i've fixed. realised some resistors fall out from other side of the board while repairing, probably due to heat and movement.

 

[larossmann]

Which resistors?

 

[Alan.L]

R5142 was hanging on its last leg and R5158 was missing.