Checkpoints By Error Mode - Samsung YP-S3 Service Manual

Troubleshooting
4-1 Checkpoints by Error Mode
Oscilloscope Setting Values
Voltage/DIV
TIME/DIV
4-1-1 If there is no power
Yes
Did XTAL1 CLOCK appear?
Malfunction
4-2
1V/div
10ms/div
No
 Refer to wave pattern
image of Fig. 4-1.
The power does not turn on.
Is there power after
charging the Battery?
Has the firmware been upgraded?
(See 4-2 Upgrade Methods)
L602: 1.1V, L603: 2.8V
Power check
Yes
Check Battery power
Check BT1 +, - TP
Check power at the Battery?
Replace the Battery and recheck
Yes
No
Yes
No
Yes
No
No
No
Finished
Samsung Electronics