Samsung Galaxy GT-i5500 Service Manual page 92

Level 3 Repair
8-3. LOGIC
8-3-1. Power On
Power switch on
Check the current
consumption
>= 100mA?
Check the battery
voltage
>= 3.45?
Check the TP_PS_
HOLD pin PS_HOL
D = 2.6V?
Check the clock at
OSC400 = 32KHz ?
C443(VREG_MSMC1)=1.2V?
C442(VREG_MSMC2)=1.2V?
C441(VREG_MSME)=1.8V?
C411(VREG_MSMP)=2.6V?
C412(VREG_MSMA)=2.6V?
Check the clock
C109 = 19.2Mhz ?
Check the initial operation
NG
Yes
Yes
Yes
Yes
Yes
Yes
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
NO
NO
Change the battery
NO
related to PS_HOLD
NO
NO
NO
Check the clock generation circuit
8-4
Download
Check the PMIC
Resolder OSC400
Check the U401