manuals.online logo
Brands
  1. Home
  2. •
  3. Brands
  4. •
  5. Micromax
  6. •
  7. Cell Phone
  8. •
  9. Micromax S120 User manual

Micromax S120 User manual

Other manuals for S120

1

Other Micromax Cell Phone manuals

Micromax X096 User manual

Micromax

Micromax X096 User manual

Micromax Q6 User manual

Micromax

Micromax Q6 User manual

Micromax A119 User manual

Micromax

Micromax A119 User manual

Micromax X1i+ Anniversary Edition User manual

Micromax

Micromax X1i+ Anniversary Edition User manual

Micromax GC256 User manual

Micromax

Micromax GC256 User manual

Micromax A290 User manual

Micromax

Micromax A290 User manual

Micromax X556 User manual

Micromax

Micromax X556 User manual

Micromax L2 User manual

Micromax

Micromax L2 User manual

Micromax Q392 User manual

Micromax

Micromax Q392 User manual

Micromax A75 User manual

Micromax

Micromax A75 User manual

Micromax X444 User manual

Micromax

Micromax X444 User manual

Micromax X396 User manual

Micromax

Micromax X396 User manual

Micromax X260 User manual

Micromax

Micromax X260 User manual

Micromax Bolt User manual

Micromax

Micromax Bolt User manual

Micromax X457 User manual

Micromax

Micromax X457 User manual

Micromax Q427+ User manual

Micromax

Micromax Q427+ User manual

Micromax C200 User manual

Micromax

Micromax C200 User manual

Micromax A068 User manual

Micromax

Micromax A068 User manual

Micromax A46 User manual

Micromax

Micromax A46 User manual

Micromax P580 User manual

Micromax

Micromax P580 User manual

Micromax X328 User manual

Micromax

Micromax X328 User manual

Micromax Bolt A075 User manual

Micromax

Micromax Bolt A075 User manual

Micromax X395- Convertible User manual

Micromax

Micromax X395- Convertible User manual

Micromax Q348 Installation instructions

Micromax

Micromax Q348 Installation instructions

Popular Cell Phone manuals by other brands

Nokia 6700 classic user guide

Nokia

Nokia 6700 classic user guide

LG L34C user guide

LG

LG L34C user guide

Ericsson T60d manual

Ericsson

Ericsson T60d manual

Zte Score M user manual

Zte

Zte Score M user manual

Sony Xperia Z1 Compact Startup guide

Sony

Sony Xperia Z1 Compact Startup guide

AT AT-Q5 user manual

AT

AT AT-Q5 user manual

Vingtor ACM-M-A-V2 Installation/configuration

Vingtor

Vingtor ACM-M-A-V2 Installation/configuration

Olitech EasyFlip 2 Quick setup guide

Olitech

Olitech EasyFlip 2 Quick setup guide

Zte Atrium Z793C user manual

Zte

Zte Atrium Z793C user manual

Alcatel IDEAL manual

Alcatel

Alcatel IDEAL manual

Zte BLADE A520 quick start guide

Zte

Zte BLADE A520 quick start guide

switel M222 user manual

switel

switel M222 user manual

LG LG-P503 user guide

LG

LG LG-P503 user guide

LG F2410 user guide

LG

LG F2410 user guide

Argom E500 manual

Argom

Argom E500 manual

Hisense U30 user manual

Hisense

Hisense U30 user manual

Argom Tech E401 user manual

Argom Tech

Argom Tech E401 user manual

Nokia 3595 - Cell Phone - GSM Manual Del Usuario

Nokia

Nokia 3595 - Cell Phone - GSM Manual Del Usuario

manuals.online logo
manuals.online logoBrands
  • About & Mission
  • Contact us
  • Privacy Policy
  • Terms and Conditions

Copyright 2025 Manuals.Online. All Rights Reserved.

S120 L3 Service Manual
Micromax S120
1. Technical Specifications :
Please fill below information in Remarks, Below given remarks are for reference only
Particular Remarks
Key Matrix For Flashing SPRD Flashing tool
Chipset SC6531DA
Android Version NA
Processor Frequency 900/1800MHz
Network Mode GSM
ROM 32Mb
RAM 32Mb
Internal memory 4MB
Expandable Memory 8GB
Factory mode code #*868*#
Good Earpiece value in ohms 32 Ohm
Good Loudspeaker value in ohms 8 Ohm
Good Mic value in ohms 330 Ohm
Good Vibrator value in ohms NA
S120 L3 Service Manual
2. CAUTIONS
I. Flashing & Servicing must be undertaken by qualified personnel only.
II. Ensure all work is carried out at an anti-static workstation and that an anti-static wrist strap is worn.
III. Use only approved Tools & components as specified in the parts list.
IV. Ensure all components, modules, screws, and insulators are correctly re-fitted after servicing and
alignment
V. Ensure all cables and wires are repositioned correctly if Handset disassembled
VI. Electrostatic discharge can easily damage the sensitive components of electronic products. Therefore,
Service Centre must adhere the precautions which mentioned above.
S120 L3 Service Manual
Basic Structure of the Mobile Phone
PCBA Diagrams of S120 Mainboard
Charge MOS tube, charger will
out work if it broken
RF PA,no signal if broken
USB socket,cannot charge and download if
broken
26M crystal,cannot start the phone if broken
Charging connector,cannot start the phone
if broken
CPU,cannot start the phone if broken
TF socket,cannot read T card if
broken
3.5 Heardset if broken
S120 L3 Service Manual
SIM socket,cannot read SIM
card if broken
S120 L3 Service Manual
Camera bonding pad,camera no
function if broken
LCD bonding pad,no display if
broken
Vibrator if broken
S120 L3 Service Manual
3. L3 Level trouble shooting
Please add trouble shooting/ Repairing steps against below given symptoms
Images must paste against every suggested troubleshooting hint
1) Doesn’t Power On
1. Check BAT1 battery socket if welding good
2. Check X101 if normal
3. Check U100 if normal
U100
BAT1
X101
S120 L3 Service Manual
S120 L3 Service Manual
2) Restart / Hang
Same as item 1
S120 L3 Service Manual
3) LCD
1. Check if LCD welding good
2. Check if main board short circuit
J601
S120 L3 Service Manual
4) Touchpad --- NA
5) Proximity Sensor------ NA
6) Accelerometer-------- NA