It Keeps Being Turned Off - Samsung YP-F1 Service Manual

6. Troubleshooting

1. It keeps being turned off

Does the system enter the RECOV-
ERY MODE?
NO
IC8(STMP3520B)
Poor
6-1
YES
Are clocks generated?
NO
Poor
Press the RESET button, and con-
duct a power-on check.
NO
Recharge the product for
two to three minutes, and
conduct a power-on
check.
NO
Upgrade the firmware.
NO
Check to see if the voltages of L4 and
L5 are 1.5 V and 3.0 V, respectively.
NO
YES
Does the battery provide power?
NO
Does the battery itself provide
power?
NO
Replace the battery and check again.
YES
YES
YES
YES
Finish
YES
Replace the batter connector and
check again.
Samsung Electronics