Samsung SGH-A200 service manual free download

File name Samsung SGH-A200 service manual.pdf

DUAL BAND Mobile ELECTRONICS Cellular Phone SGH-A288/SGH-A200 SERVICE Manual DUAL BAND MOBILE CELLULAR PHONE CONTENTS 1. Exploded Views and Parts List 2. PCB Diagrams 3. Electrical Parts List 4. Block Diagrams 5. Flow Chart of Troubleshooting and Circuit Diagram F C DE C AB MN O L JK YZ WX I GH V TU S PQR 5. Flow chart of trouble shooting and Circuit Diagram 5-1 Power ON 'POWER ON'does not work Yes Check the Battery Voltage No Charge the Battery is more than 3.2V Yes The node No Check U116 and the path from +VBATT between D110 and BAT101 = 3V ? to BAT101 Yes No U117 pin 1,4,10 > 3.2V Check the circuit related to U117 Yes No U463 pin 1, 3 = "H"? Check the circuit related to U463 Yes No U463 pin5, 7 = 2.9V ? Check U463 and related circuit Yes No Check the clock generation circuit Check for the clock signal at R301 (related to U303 and U301) Yes Check the initial operation END 5-1