4-2
Samsung Electronics
Troubleshooting
Check power at the BATTERY
(single part).
Recheck after replacing the battery.
4
Check power.
L300: 2.8V(MAIN)
L301: 1.07V(CORE)
L302: 1.8V(MEMORY)
L303: 3.1V(LCD)
Yes
No
Check BATTERY power.
IC803(+), IC804(-)
Check MAIN 12Mhz clock
No
Defective
Yes
Yes
No
No
No
A
Refer to wave pattern
image of Table 4-1.
Refer to wave pattern
image of Table 4-1.
Completion
3
Check DDCON enable
pin signal as ‘HIGH’
(2.5V~3.1V)
2
When power Key is on,
check key signal as ‘HIGH’?
(2.5V~3.1V)
Refer to wave pattern
image of Table 4-1.
Yes
Yes
Refer to wave pattern
image of Table 4-1.
Summary of Contents for YP-P2
Page 41: ...5 7 Samsung Electronics MEMO...
