Ring Indicator - Samsung SGH-Q200 Service Manual

SGH-Q200 Flow Chart of Troubleshooting and Circuit Diagrams

5-8. Ring Indicator

Ring Indicator does not work
Check the connection between
CN203 and Keypad PCB
Check the Q601 pin 2 is
"High"
Check the Q601~3 pin 3
is "Low"
Check the voltage of
Ring indicator Anode is
around 3.7 V
END
Y
Y
Y
Y
Y
SAMSUNG Proprietary-Contents may change without notice
N
Replace Q601/Q602/Q603
N
Resolder or change LED
N
5-8
Check U601