Checkpoints By Error Mode - Samsung YP-U4 Service Manual

Troubleshooting
4-1 Checkpoints by Error Mode
4-1-1 If there is no power
Yes
Does the X-TAL1 CLOCK appear?
Defective
4-2
Yes
No
 Refer to wave pattern
image of Fig. 4-2.
The power does not turn on.
Is there power after
charging the Battery?
No
Is the firmware upgraded?
(see 4-2 Upgrade Methods))
No
C40 → 1.8V, C45 → 3.0V
Power Check
No
BATTERY Power Check
TP1, TP2 Check
No
Check the charge in the BATTERY unit
Replace BATTERY and check again
Yes
Yes
Yes
 Refer to wave pattern
image of Fig. 4-1.
 Refer to wave pattern
image of Fig. 4-3.
Done
Samsung Electronics