Power Charge Problem: Charger - FLY DS210 Service Manual

5.3.3

Power charge problem: Charger

Charger charge problem
Check T401, C218, U201, R209
Check charge power, VCHG, on
T401, its level should be 5V.
Check MOSFET IC (U201), pin4,
GATDRV, its level should be high
Check signal VBAT, on U201 pin8,
its level should nearly VCHG.
Check charger
YES
Check CON402
YES
YES
Insert charger
YES
YES
END
NO
Replace charger
NO
Resolder CON402.
Resolder or replace T401,
NO
C218, U201, and R209
NO
Something is wrong with
U6235. Go to Level 4
NO
Something is wrong with
U201, resolder and replace the IC.
NO
Something is wrong with
U6235. Go to Level 4