FLY E130 Service Manual

T11_Maintenance Instruction

Prepared by : Jeffery Huang

Approved by:

Date: 2010-5-31

TABLE OF CONTENTS

 No power on
 Shut off automatically

 Dead halt
 No charge
 Quantity of electricity faulty detection
 No display
 LED NG (on the LCD)
 LED NG (on the keyboard)
 Key NG
 No ring
 No receiving voice

Innovating Customer Value

 No sending voice or the voice is small
 No vibration
 SIM Card inefficacy
 Camera inefficacy
 Bluetooth inefficacy
 TF card inefficacy
 Earphone inefficacy
 FM inefficacy
 Touch NG

MIC

LCM

Receiver

Keypad & Key LED

Reserve Key FPC

Touch

Lens

CONN

TF Card

Backlight

& Touch

Driver

Flash

CPU

FM

BT

Co-

Processor

BT

Antenna

MOTO

Adapter CONN

Earphone jack

GSM

Antenna

SIM1

Battery CONN

SIM2

Audio

PA

RF PA

Transceiver

Camera

Side key

Speaker

¾No power on

No power on

Check whether the

battery voltage is

higher than 3.4V

Y

Check whether the battery
and the Connector of J9411 is

oxidized or there is

anything else on it

N

Check whether the

PAD of K/B & dome

is OK

N

Take out the LCD, SPK,
Camera, MOTO, Touch
lens, check whether it is
powered on

N

Y

Y

Y

Charge the battery

Wipe off the thing

or clean the Connecotr

clean the K/B, change the dome

Cross-testing the

Accessory,

Change the defective

N

A

A

Check whether R1109

(10K) is broken

N

Connect with the battery, press

“ON” key, check whether the

voltage of B1104 is 2.8V

Y

Connect with the battery, press “ON”

key, check whether the output

voltage of U1100 is normal (*)

Y

Check whether the output

frequency of X1100 is 32.768K

Y

Check whether the output voltage

of U2604 pin3 is 1.13V around

Y

Change R1109

N

N

Replace C1122, C1125
B1104, check whether
it is OK

Replace the earthed capacitor

corresponding to the

defective pin, Check whether

it is OK

N

Change X1100, C1100, C1101

N

Check whether U2602
pin17 has an voltage

of 2.8V around

N

Change U5300,

Check whether

N

Change U1100

Y

Change U2602

* C1121: 1.8V, the capacitor: C1121;

C1123: 2.8V, the capacitor: C1123;
B1105: Vbat, the Bead: B1105;
C1120: 2.8V, the capacitor: C1120;
C1124: 2.8V, the capacitor: C1124;
C1127: 2.8V, the capacitor: C1127.

N

Change U1100

it is OK

Y

Change the FLASH (U100),

check whether it is OK

N

Change U1130

N

Change U1100

N

Change R2615

N

Change U1100

¾Shut off automatically

Shut off automatically

D/L the latest software,

Check whether it is OK

N

Replace with a

good battery, Check

whether the

primary cell is broken.

N

Check whether the

rubber, used to fix the

battery, is lost or at the

other location

N

Check whether the battery
and the Connector of J9411 is

oxidized or there is

anything else on them

Y

Y

Change the battery

Y

Y

Reassemble the

or clean the Connector

OK

rubber

Wipe off the thing

N

C

Innovating Customer Value

C

Check whether the

battery connector ‘J9411’ is

void-welded or broken

N

Check whether the contact of
the key PAD & the dome is OK

Y

Check whether X1100

output frequency is

32.768K exactly

Y

Refer to the maintenance

method of ‘No power on’

Y

N

N

Re-weld or

change J9411

Reassemble the dome

ChangeX1100,

C1100,C1101

OK

¾Dead halt

Innovating Customer Value

Death halt

D/L the latest software,

Check whether it is OK

N

Replace with a good

battery, Check whether

the primary cell is broken

N

Check whether the
problem is resulted

from ‘KEY NG’

N

Check whether the
problem is resulted
from the LCD itself

Y

Y

Y

Y

Change the battery

OK

Clean the Key PAD,

reassemble or change

the metal dome

Change the LCD

N

D

Innovating Customer Value

D

Check whether the

output frequency of

X1100 is 32.768 exactly

Y

Check whether the contact of
the key PAD & the dome is OK

Y

Replacing with the
programming FLASH,
check whether it is OK

N

Refer to the servicing

method of ‘No power on’

N

N

Re-weld or change

X1100,C1100,C1101

Reassemble

the dome

OK

¾No charge

No charge

Replace with a

good battery, Check

whether the

primary cell is broken.

N

Replace with a good

adaptor, Check

whether the primary

adaptor is broken

N

Innovating Customer Value

Y

Y

Change the battery

Change the adaptor

Check whether the

battery connector ‘J9411’

is oxidized or is broken

N

Check whether the

connector ‘J9431’ is

void-welded or

broken

N

E

Y

Y

Clean or

change J9411

Re-weld or

change J9431

E

Plug in, Check whether it has an

voltage of 5V on B1103

Y

Check whether there is broken of

Q1101, R1102, Z1340

N

Change the
CPU(U1100)

OK

N

Y

Change B1103
BLM18EG221TN1

Change the defective

¾Quantity of electricity faulty detection

Quantity of electricity

faulty detection

Replace with a good battery,

Check whether the primary cell

is broken.

N

Format and Download the latest

Software, then calibrate the

ADC

N

Check whether there is broken

of R1102

N

Change the CPU

Y

Change the battery

Y

Change the defective

OK

¾No display

No display

Download the latest Software,

Check whether it is OK

N

Check whether the LCD is

weakly welded or broken

N

Change the CPU

N

Change U7301

Y

Download the software

Y

Re-weld or change the

LCD

OK

¾LED NG (on the LCD)

Innovating Customer Value

LED NG (LCD)

Check whether the

LCD is broken

N

Check whether

C4400 is broken

N

When normally backlighting,
check whether the voltage of
U4400 pin3, pin4 is at the
high level

Y

Change U4400

N

Y

Y

N

Change the LCD

Change the defective

Change R5301, R5302

Change the CPU

OK

¾LED NG (on the key board)

Innovating Customer Valu

LED NG (key)

Checking method˖Cross-
testing the two sides of
LED by Multimeter ,
gearing to the short circuit,
if the LED is on at one
direction, it shows good.

Check whether there

is anything (or Mylar)

on the key

N

Check whether the

LED of the MB is
weakly welded or

broken

N

F

Y

Y

Clean or wipe off

the thing

Re-weld or

change the LED

F

Innovating Customer Value

F

Check whether the

resistor beside the

LED is broken

N

Check whether

R4409 is broken

N

Change the CPU

OK

Y

Y

Change the resistor

Check R4409

¾Key NG

Innovating Customer Value

KEY NG

Check whether there is

anything oxidized or

smudge on the key pad

N

Check whether the

metal dome is oxidized

or broken

N

G

N

Y

Y

cleaning the key pad

Change the

metal dome

G

check whether there is anyone
broken of D4414, D4415,
D4462

N

Change the CPU

OK

Y

Change the defective

¾No ring

Innovating Customer Value

No ring

Checking method˖testing
the resistance of the SPK
by Multimeter, gearing to
the resistance, the
resistance of it is 8ohm
normally

D/L the latest edition,

Check whether it is OK

N

Check whether the

SPK is void-welded

or broken

N

Check whether it

has an output

voltage of 1.8V at

U3300 pinA2,C2

N

Check whether is has

an input voltage of

1.8V at U3300 pinA1,A3

Y

Y

Y

Y

N

Check B3400,B3401, B3300, D3401, D3402

OK

Re-weld or

change the SPK

Check B3301, C3300 - C3303,

R3300, R3302

H

Innovating Customer Value

H

Check whether the

voltage at U3300 pinC3 is

at the high level

N

Check whether

R3301(100K) is broken

N

Change the CPU

OK

Y

Y

Change U3300

Change R3301

¾No receiving voice

Innovating Customer Value

No receiving voice

Checking method˖testing
the resistance of the REC
by multimeter, gearing to
the resistance, the
resistance of it is 30ohm
around

D/L the latest edition,

Check whether it is OK

N

Check whether the

REC PAD is oxidized

or broken

N

Check whether the
C1110, C1111, B3320, B3321
C3320, C3321, D3320, D3321
is broken

N

Change the CPU

Y

Y

Change the REC

Y

Change the defective

OK

R Clean or

OK

¾No sending voice or the voice is small

No sending voice

or a small voice

Innovating Customer Value

Checking method˖
testing the resistance of
the MIC by multimeter,
gearing to the resistance,
the positive resistance of
it is 1K, the opposite is

0.8K around in general.

D/L the latest edition,

Check whether it is

OK

N

Check whether the MIC

rubber is broken or

displacement

N

Check whether the

MIC is weakly welded

or broken

N

Check whether there is

anyone broken of

R3310,R3313(1K),

R3311,R3312(1.5K)

Y

Y

Y

Y

Reassemble or change

change the MIC

Change the defective

OK

the MIC rubber

Re-weld or

N

I

Innovating Customer Value

I

check whether there is
anyone broken of C3310 ­C3315, B3310, B3311
D3310, D3311

N

Change the CPU

OK

Y

Change the defective

¾No vibration

Innovating Customer Value

No vibration

Checking method˖testing
the resistance of the motor
by multimeter, gearing to
the resistance, the
resistance of it is 22ohm in
general

D/L the latest edition,

Check whether it is OK

N

Check whether the

motor is locked by

displacement

N

Check whether the

motor is broken

N

Check whether there is
anyone broken of R1104,
D1320, C1321, B1320, B1321

Y

Y

Y

Y

Change the motor

OK

Reassemble

the motor

Change the

Defective

N

Change the CPU

OK

¾Card inefficacy

Card inefficacy

D/L the latest edition, check

whether it is OK.

N

Check whether the SIM

card is broken

N

Check whether the SIM

Card Connector is broken

N

Check whether there is

anyone broken of D4421-

D4426

N

Change U1301

N

Y

OK

Y

Change the SIM card

Y

Change the defective

Y

Change the defective

Change the CPU

OK

¾Camera inefficacy

Innovating Customer Value

Camera NG

Check whether the connection
of J9401 & Camera FPC is OK,
FPC is void-welded

N

Check whether the

camera is broken

N

Check whether U4402

pin4 has an voltage of

2.8V,pin6 has 1.8V

Y

Check whether

B4410 is

broken

Y

Y

N

Y

Reassemble the FPC

Change the Camera

Check whether the

voltage at U4402 pin1,3 is

the high level

N

Change B4410

Y

Change U4402

˖˻˴˺˸ʳCPU

N

Change U7301

N

Change CPU

OK

¾Bluetooth inefficacy

Innovating Customer Value

BT NG

D/L the latest edition,

check whether it is OK

N

Check whether the

BT antenna is

touched well

Y

Check whether

R5320, C5351 is void-

welded or broken

N

Check whether

U5302, C5346 are void-

welded or broken

N

Y

N

Y

Y

Reassemble the

OK

antenna

Change the defective

Change

the defective

J

J

Enable the BT function,
check whether U5301 pin10
has a voltage of 2.8V,
pin9 has 1.2V

Y

Innovating Customer Value

Change U5301

Y

N

Check whether

the voltage at U310

pin11 is Vbat

N

Change C5330

Check whether

C5344 has an output

frequency of 26M

Y

Change U5301, check

whether it is OK

Change the CPU

OK

N

Change C5344, C2690

46

¾TF card inefficacy

OK

OK

TF NG

D/L the latest edition,

check whether it is OK

N

Check whether the

socket ‘J9420’ is void-

welded or broken

N

Check whether there is
anyone broken of C4420,
C4421, C4426, C4427

N

Change U7301

N

Y

Y

Y

Re-weld or Change J9420

Change the defective

Change CPU

¾Earphone inefficacy

Innovating Customer Value

Earphone inefficacy

Check whether the

earphone is broken

N

D/L the latest

edition, Check

whether it is OK

N

Check whether

the earphone

connector ‘J9432, J9431’

is broken

N

After inserting the

earphone, Check

whether the voltage at

R3340 is 0V around

Y

Y

Y

N

Change the earphone

OK

Change the defective

Change R3340(100K),

D3340, B3341

Y

K

Innovating Customer Value

K

Change the defective

No sending voice of

the earphone MIC

N

Check whether there is anyone
broken of C3345~C3351, R3343­R3345, B3342, B5410, C1112

No receiving voice of the

earphone receiver

Check whether there is anyone
broken of C3340, C3341 C3343,
C3344, R3341, R3342, B3340,
B3341, B5401

Y

Change the defective

Change the GSM

CPU U1100

OK

¾FM inefficacy

Innovating Customer Value

FM NG

D/L the latest edition,

Check whether it is OK

N

Enable FM function,

check whether B5301

has a voltage of 2.8V

Y

Check whether the

voltage of U5300

pin14 is 2.8V

Y

L

Y

N

Change B5301, C5303

N

OK

Change C5304

L

Check whether the
output frequency of
C5302 is 32.768K

Y

check whether there is
anyone broken of C5301,
B5401, L5301

N

check whether there is
anyone broken of C5306,
C5305

N

Change U5300

N

N

Y

Y

Change C5302

Change the defective

Change the defective

Change the

CPU(U1100)

OK

¾Touch Lens NG

Touch NG

D/L the latest edition, check

whether it is OK.

N

Check whether

the touch Lens is broken

N

Check whether ED4401
is broken

N

Check whether the connector
of the touch lens J9402 is
broken

N

Change the U4400

Y

OK

Y

Change the Touch lens

Y

Change ED4401

Y

Change J9402

OK