Samsung SGH-Q200 Service Manual

Also see for SGH-Q200: User guide User manual

Samsung SGH-Q200 Service Manual Manual pdf 36 page image

SAMSUNG Proprietary-Contents may change without notice5-13SGH-Q200 Flow Chart of Troubleshooting and Circuit Diagrams5-13. DCS ReceiverY Change U901N Check OSC902pin 1 ≥ -20 dBmResolder or changeOSC902NRX OnRF input : 62 CHAmp. : -50 dBmYNNYU1006Pin 9≥ -70 dBmResolder or Change CN1001N Resolder or Change U901YF1003pin 5≥ -73 dBmResolder F1003NYF902pin 5, 6≥ -60 dBmChange F902YU901pin 43, 44≥ -50 dBmNYU1006Pin 7≥ -70 dBmNYResolder U1006,Pin 7 ≥ -70 dBm?Check voltageU1006 pinsPin 2 : LPin 4 : HPin 8 : HPin 10 : LYU901pin 8 ≥ -55 dBm& ≥ 2.5 VdcY Resolder orChange U901ENDNYF903pin 4≥ -60 dBmResolder or Change F903NYF902pin 1, 2≥ -55 dBmCheck OSC901pin 1 ≥ -20 dBmChange OSC901N•All or RF values by dBm should be measured in max hold status ofRF spectrum analyzer in active call