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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Nokia > Nokia Hardware & Hardware Repair

Nokia Hardware & Hardware Repair all what you need for Hardware Repairing for Nokia Phones. Before writing any thread here try to check the Frequently Asked Questions Section.

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Old 09-18-2013, 20:07   #1 (permalink)
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6700c no network on 900Mhz


6700c no network on 900Mhz(GSM). Phone works fine on 2100Mhz(UMTS). Any solution?
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Old 09-18-2013, 22:05   #2 (permalink)
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seems PA faulty , if u post here selftest result that would be better .

but anyway , before going to replace PA reflow or replace Z7521 & check . if still same then try to reflow or replace Z7523 (both rx-tx filters r marked in picture).

if again still same issue then replace PA with new one . post result.
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File Type: jpg 6700_network.JPG (70.8 KB, 23 views)
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Old 09-20-2013, 11:19   #3 (permalink)
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Self tests

ST_CURRENT_CONS_TEST Yes Passed [ 0 ]
ST_EAR_DATA_LOOP_TEST No Passed [ 0 ]
ST_KEYBOARD_STUCK_TEST No Passed [ 0 ]
ST_SIM_CLK_LOOP_TEST Yes Passed [ 0 ]
ST_SLEEP_X_LOOP_TEST Yes Passed [ 0 ]
ST_KELVIN_VIBRA_TEST No Passed [ 0 ]
ST_BACKUP_BATT_TEST No Passed [ 0 ]
ST_LPRF_IF_TEST No Passed [ 0 ]
ST_CAMERA_IF_TEST No Passed [ 0 ]
ST_KELVIN_BATVOLTAGE_TEST No Passed [ 0 ]
ST_KELVIN_CAPACITOR_TEST No Passed [ 0 ]
ST_KELVIN_AUDIO_TEST No Passed [ 0 ]
ST_KELVIN_MISC_TEST No Failed [ 1 ]
ST_KELVIN_CHARGING_TEST No Passed [ 0 ]
ST_AMB_LIGHT_SENSOR_TEST No Passed [ 0 ]
ST_SIM_LOCK_TEST Yes Passed [ 0 ]
ST_CAMERA_AUTOFOCUS_TEST No Passed [ 0 ]
ST_LCD_TEST No Passed [ 0 ]
ST_LPRF_AUDIO_LINES_TEST No Passed [ 0 ]
ST_UEM_CBUS_IF_TEST Yes Passed [ 0 ]
ST_CDSP_SLEEPCLK_FREQ_TEST No Passed [ 0 ]
ST_BACKLIGHT_TEST Yes Passed [ 0 ]
ST_BT_WAKEUP_TEST No Passed [ 0 ]
ST_CDSP_TXC_DATA_TEST No Passed [ 0 ]
ST_CDSP_WCDMA_TX_POWER_TEST No Fatal [ 12 ]
ST_CDSP_GSM_TX_POWER_TEST No Fatal [ 12 ]
ST_CDSP_RX_PLL_PHASE_LOCK_TEST No Passed [ 0 ]
ST_CDSP_TX_PLL_PHASE_LOCK_TEST No Passed [ 0 ]
ST_CDSP_RX_IQ_LOOP_BACK_TEST No Passed [ 0 ]
ST_CDSP_RF_SUPPLY_TEST No Passed [ 0 ]
ST_CDSP_TX_IQ_TEST No Passed [ 0 ]
ST_CDSP_RF_BB_IF_TEST No Passed [ 0 ]
ST_TAHVOINT_TEST Yes Passed [ 0 ]
ST_PWR_KEY_TEST Yes Passed [ 0 ]
ST_USB_LOOP_TEST No Passed [ 0 ]
ST_SECURITY_TEST Yes Passed [ 0 ]
ST_BTEMP_TEST No Passed [ 0 ]
ST_ACCELEROMETER_TEST No Passed [ 0 ]
ST_DIGIMIC_TEST No Passed [ 0 ]
ST_LED_FLASH_TEST No Passed [ 0 ]
ST_CDSP_SLEEPCLOCK_FREQ_TEST No Passed [ 0 ]
ST_LED_CONTROLLER_TEST No Passed [ 0 ]
ST_USB_CHARGER_TEST No Passed [ 0 ]
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