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User Manual
A69
1. Main Components
FRONT
CAMERA
VOL
KEY
L2 Service Manual
POWER KEY
BACK
CAMERA
LCD
POWER KEY
FPC
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Summary of Contents for Micromax A69
- Page 1 L2 Service Manual 1. Main Components FRONT CAMERA POWER KEY POWER KEY BACK CAMERA...
- Page 2 L2 Service Manual SPEAKER Back Camera Vibrator...
- Page 3 L2 Service Manual 2. Display issue Description Reason Solution FLASH THE SW Segments missing, Fading, Soldering issue Re-soldering the LCD Contrast issue, Black lines, Color issue, Backlight issue, Blank LCD issue Change the LCD display, Bad pixel, Flickering Refer to the service guide L3 Mechanically broken LCD issue Change the LCD...
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Page 4: Touch Panel
L2 Service Manual 3. Touch panel Description Reason Solution TP ISSUE Change the TP TP connection issue Assembly the TP again TP NOT WORKING PCBA issue Refer to the service guide L3 Refer to the service guide L3 TP ISSUE Change the TP TP not working properly... - Page 5 L2 Service Manual 4. Camera Description Reason Solution Soldering issue Re-solder it Bad image Camera issue Change it Refer to the service guide L3 Soldering issue Re-solder it Camera not ready Camera issue Change it Refer to the service guide L3 Soldering issue Soldering issue DEAD,No functionality...
- Page 6 L2 Service Manual 5. Speaker Description Reason Solution The SPK with dust Clean the SPK SPK foam issue Change it Noise/crack Spk issue Change it Refer to the service guide L3 Soldering issue Re-soldering it No volume SPK issue Change it Refer to the service guide L3 Soldering issue Re-soldering it...
- Page 7 L2 Service Manual 6. Microphone Description Reason Solution Some dust with MIC Clean the MIC Assembly issue Assembly it Noise with uplink side MIC issue Change it CPUor related component Refer to the service guide L3 Soldering issue Re-solder it Volume low/no MIC issue...
- Page 8 L2 Service Manual 7. Receiver Description Reason Solution There is dust with receiver Clean the receiver Noise/crack Receiver issue Change it Refer to the service guide L3 Connection issue Assembly it again Receiver issue Change it No voice/ volume low Refer to the service guide L3 RECEIVER 引线...
- Page 9 L2 Service Manual 8. Vibrator Description Reason Solution Motor assembly issue Assembly it again Vibrating properly Motor issue Change it Motor soldering issue Soldering it again No vibrating Motor issue Change it Refer to the service guide L3 The volume of good Vibrator is 30Ω +/-5% ...
- Page 10 L2 Service Manual 9. Battery Description Reason Solution The voltage of battery is more than the voltage of battery is less 1V, and its volume is 150mΩ+/-10%, than 3.3V then the battery is good, you can charge it by DC power (4V) directly no output the voltage of battery is less Keep charging it until its voltage to be...
- Page 11 L2 Service Manual 10. EARPHONE Description Reason Solution earphone issue change the earphone SIDE open the housing of MIC, check and Cable broken WORKING solder the cable CPU or charging IC with issue Refer to the service guide L3 open the housing of MIC, check and Cable broken solder the cable Noise...
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Page 12: Data Cable
L2 Service Manual 11. DATA CABLE Description Reason Solution CABLE ISSUE Change it CHARGER ISSUE Change it NO CHARGING The I/O connector of PCBA is Change the I/O connector with issue Refer to the service guide L3 Canot use DATA D+ or D- is broken Change the data cable DATA CABLE... - Page 13 L2 Service Manual 12. CHARGER Description Reason Solution Data cable issue Change the data cable I/O connector Change the I/O connector No charging Charger issue Change the charger Refer to the service guide L3 Data cable issue Change the data cable I/O connector Change the I/O connector Charging slow...
- Page 14 L2 Service Manual 13. No signal Description Reason Solution the connection of antenna is not Assembly it again good SIM issue use a fresh SIM to verify it SIM slot issue Refer to the service guide L3 No signal RF IC issue Refer to the service guide L3 Calibration data missing Flash the SW...