Samsung SM-A720F User manual

Confidential and proprietary-the contents in this service guide subject to change without prior notice

Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

7. Level 2 Repair

7-1. Components on the Rear Case

Confidential and proprietary-the contents in this service guide subject to change without prior notice

Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

7. Level 2 Repair

7-2. Pre-requisite

Tweezers / Disass'y Stick / Screw Driver Anti-static Gloves

Anti-static Mat

Hot Plate

A OCTA Disassembly Holder

OCTA Disassembly Upper

Ethyl Alcohol Cotton Swab

Confidential and proprietary-the contents in this service guide subject to change without prior notice

Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

7. Level 2 Repair

7-3. Parts which must be changed after repair

BOM A code Image Remarks

A/S Back Glass Outside Tape

(Common)

[GH81-14368A]

Replace for

Back Glass repair

A/S Back Glass Inner Tape

[GH81-14367A]

Confidential and proprietary-the contents in this service guide subject to change without prior notice

Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

7. Level 2 Repair

7-4. Disassembly

※C a u tio n

1) Be care of scratch ※C a u tio n

1) Be care of scratch

※C a u tio n

1) Be care of Rear damage ※C a u tio n

1) Be care of Rear and connector damage

1 2 Unscrew 15 Point and disassemble SIM Tray1,

2 from device.

3 Disassemble Upper/Middle Rear.(Use disassemble

hole left side of Rear to detach it) 4 Finally Disassemble Rear of bottom side.

(Use disassemble hole left side of Rear to detach it)

1) SOC 68%



: Put the device in the chamber

for 10~20 minutes under 70℃.

2) SOC 68% : Put the device in the chamber for

10~20 minutes under 60℃.

3) Detach the Back Glass.

Confidential and proprietary-the contents in this service guide subject to change without prior notice

Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

7. Level 2 Repair

※C a u tio n

1) Be careful not to damage the PBA ※C a u tio n

1) Be care of connector/cable damage

※C a u tio n

1) Be care of PBA damage ※C a u ti o n

1) Be care of several kinds of damage

6 Detach Battery connect and the other

connectors. (7 Points, except for Front Camera

connector)

7 Detach main PBA from Front. 8 Detach other components.

Unscrew PBA 3 points.

MAIN Camera

SUB Camera

Battery

Motor

Ear Jack

Prox Sensor

Receiver

Detach PBA

Confidential and proprietary-the contents in this service guide subject to change without prior notice

Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

7. Level 2 Repair

7-5. Assembly

※

Caution

1) Be care of FPCB damage and tilt

2) Be care of press power/time

※Caution

1) Be care of chip damage nearby screw point

※Caution

1) Be care of Battery damage.

※Caution

1) Be care not to damage the PBA.

Attach components on Front.

(RCV module, Sensor FPCB, Motor) and then

Press RCV.

2 Attach PBA assy In Front Assy.

(PBA+ Front)

3 Attach Battery connect and the other

connectors. (7 Points)

Attach Front Camera on PBA.

4 Screw PBA 3 points.

(Torque:1.2 Kgf·cm±7%)

MAIN

SUB

Motor

Ear

Prox

Receive

PCB 15°angle

Confidential and proprietary-the contents in this service guide subject to change without prior notice

Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

7. Level 2 Repair

※Caution

1) Be care of scratch and REAR damage ※Caution

1) Be care of scratch and REAR damage

※Caution

1) Be care of scratch and REAR damage

※Caution

1) Be care of scratch and tilt.

5 6

7 Screw 15 Point andAssemble SIM Tray1, 2 on

device

(Torque:1.3 Kgf·cm±7%)

8 Attach Back Glass.

Assemble Rear of bottom side.

Assemble Upper/Middle Rear.

Confidential and proprietary-the contents in this service guide subject to change without prior notice

Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

7. Level 2 Repair

※Caution

1) Be care of scratch. ※Caution

1) Be care of scratch.

※Caution

1) Be care of scratch.

※Caution

1) Be care of PBA damage

9 Press Back Glass.(1N for 1minute) 10 Do water resistance test(WRT)

11 If fail WRT doing debugging(sealing or etc) 12 If IF connector problem, disassemble

& remove gasket

Confidential and proprietary-the contents in this service guide subject to change without prior notice

Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.

7. Level 2 Repair

※Caution

1) Be care of scratch. ※Caution

1) Be careful not to damage the PBA

13 Use O-ring(GH81-14271A) on IF CON

Reassemble & Re WRT

※Remove USB Dispensing on PBA.

Insert O-Ring on PBA.

Other manuals for SM-A720F

Other Samsung Cell Phone manuals

Samsung

Samsung VERIZON SCHU460 User manual

Samsung

Samsung SPHN200SS User manual

Samsung

Samsung SM-N960X User manual

Samsung

Samsung GT-B7510 User manual

Samsung

Samsung Wave GT-S8500 User manual

Samsung

Samsung GT-B7610 User manual

Samsung

Samsung SGH-D780 User manual

Samsung

Samsung GALAXYS4 zoom User manual

Samsung

Samsung SGH-N620 Assembly instructions

Samsung

Samsung SM-S327VL User manual

Samsung

Samsung Champ User manual

Samsung

Samsung SCH-R351 Series User manual

Samsung

Samsung Galaxy S III User manual

Samsung

Samsung Galaxy A11 User manual

Samsung

Samsung GT-C3303 User manual

Samsung

Samsung GT-I6500U User manual

Samsung

Samsung SGH-C110 User manual

Samsung

Samsung GT-S5302B User manual

Samsung

Samsung GH68-26501A User manual

Samsung

Samsung Galaxy Z Flip User manual

Samsung

Samsung SGH-E316 User manual

Samsung

Samsung SCH-R390A User manual

Samsung

Samsung SM-J400M/DS User manual

Samsung

Samsung SM-T385M User manual

Popular Cell Phone manuals by other brands

Zte

Zte BLADE A520 quick start guide

Nokia

Nokia Lumia 620 user guide

Blackbe;rry

Blackbe;rry KEYone Safety and product information

Bea-fon

Bea-fon X5 Premium quick guide

Blackbe;rry

Blackbe;rry 8707 Series user guide

Blackbe;rry

Blackbe;rry Storm Troubleshooting

LG LM-X420QN user guide

LifeWatch

LifeWatch V user guide

Bea-fon

Bea-fon SILVER LINE SL860 user guide

IKI Mobile

IKI Mobile KF4.5i user manual

Hitech

Hitech HT-850 user guide

Yezz

Yezz Fashion F10 user manual

Point Mobile

Point Mobile PM60 user manual

Blackbe;rry

Blackbe;rry Q10 user guide

Blackbe;rry

Blackbe;rry Bold 9900 user guide

Blackbe;rry

Blackbe;rry STORM 9500 - VERSION 5.0 user guide

LG LM-K420EMW user guide

ISAFE MOBILE

ISAFE MOBILE IS655.2 operating manual