Nokia Lumia 820, RM-824, RM825 Service Manual

Service Manual for L1 and L2

Nokia Lumia 820

RM-824, RM-825

Key features

Windows Phone 8

1.5 GHz dual-core processor (Qualcomm Snapdragon S4)
8 GB internal flash memory, MicroSD card slot
EGSM, WCDMA HSPA and 4G LTE
Near Field Communication (NFC) technology
Wireless charging (Qi standard) available with an accessory
(Wireless Charging Shell for Lumia 820)

Version 1.0

Exploded view Disassembly steps Assembly hints

Check the repair

policy before

performing any

mechanical repair

on Service Level

1&2!

More More More

Solder components Service devices Product controls and interfaces

More More More

Service concept Phone reset

More More

©2012 Nokia | Nokia Internal Use only | All Rights Reserved.

Service Manual Level 1 and 2

Nokia Lumia 820

RM-824, RM-825
Version 1.0

A-COVER ASSEMBLY

(I0001 - I0002)

Exploded view

A-COVER

I0002

EARPIECE

I0003

DISPLAY

2

DISPLAY SUPPORT ASSEMBLY

(I0004)

3

LIGHT SWAP PACKAGE

(I0005 - I0006)

4

LIGHT SWAP PWB

I0005

TOUCH WINDOW
I0001

HEAT SPREADER
I0004

CHASSIS ASSEMBLY

(I0007 - I0012)

5

SCREW TORX+ SIZE 4

v1.0

SIDE KEY FLEX

I0010

AV FLEX

I0009

CHASSIS

I0011

LED FLASH

I0014

CAMERA

I0022

CAMERA DECO

I0013

RF1.0 x 3.5

I0017

CAMERA KEY

I0019

VOLUME KEYS

I0018

NFC ANTENNA

I0021

Only available
as assembly

IHF SPEAKER
I0007

IHF ADHESIVE
I0008
ANTENNA
I0012

TYPE LABEL
I0006

SCREW TORX+ SIZE 4
M1.0 X 4.8
I0015

SCREW TORX+ SIZE 4
RF1.4 X 4.8
I0016

BATTERY COVER ASSEMBLY

Not reuseable
after removal

(I0018 - I0021)

BATTERY COVER
I0020

Repair/swap
only in level 3

6

©2012 Nokia | Nokia Internal Use only | All Rights Reserved.

Service Manual Level 1 and 2

Nokia Lumia 820

RM- 824, RM-825
Version 1.0

Disassembly steps

For disassembling you need the Nokia Standard toolkit version 2. You will also need the camera removal
tool SS-210. If the device is brought to service due to problems with NFC or wireless charging, please
collect the BATTERY COVER as well.

Before starting the disassembly, make sure that the device is powered off. Protect the TOUCH WINDOW
with protective film.

Start releasing the BATTERY COVER by pushing down the top right corner.

Then release the top left corner so that the main body comes out of the BATTERY COVER ASSEMBLY.

Lift up the main body from the bottom end.

The BATTERY COVER can now be separated from the main body.

Unscrew the three TORX+ size 4 screws in the order shown. Do not use them again. Discard them.

Unscrew the four TORX+ size 4 screws in the order shown.

Unscrew the four TORX+ size 4 screws in the order shown.

Lift up and remove the CHASSIS ASSEMBLY.

Remove the CAMERA by using the camera removal tool SS-210. First place the SS-210 on top of the
CAMERA. Press down carefully the black plastic parts of the SS-210. And then press down the metal
sheets until the camera retaining clips are released.

Grab the sides of the SS-210 and lift up to remove the CAMERA.

Open the TOUCH CONNECTOR with the SS-93. Be careful not to damage the connector or any nearby
components.

Use the SS-93 to open the DISPLAY CONNECTOR. Be careful not to damage the connector or any nearby
components.

The ENGINE BOARD can now be lifted up.

Use the SS-93 to lever out the IHF SPEAKER.

Use tweezers to remove the IHF SPEAKER.

Remove and discard the adhesive remains from the speaker slot.

Use tweezers to remove the EARPIECE.

To separate the A-COVER and the DISPLAY, release the three shown clips.

Release also the clips from the other side.

Carefully lever out the DISPLAY with the SS-93.

Lift up and remove the DISPLAY.

Protect the DISPLAY with protective film.

Use the SS-93 to detach the CAMERA DECO.

Remove the CAMERA DECO.

Make sure the adhesive residue is removed.

Release the LED FLASH from the CAMERA DECO with the SS-93 and remove it with tweezers.

The Nokia Lumia 820 disassembly procedure is complete.

-END OF DISASSEMBLY-

©2012 Nokia | Nokia Internal Use only | All Rights Reserved.

Service Manual Level 1 and 2

Nokia Lumia 820

RM- 824, RM-825
Version 1.0

Assembly steps

For assembling you need the Nokia Standard toolkit version 2.

Place the LED FLASH to the CAMERA DECO with tweezers.

Gently press the LED FLASH to activate the adhesive.

Place the CAMERA DECO to the CHASSIS and press down to activate the adhesive.

Check from the other side of the CHASSIS that the clip holding the CAMERA DECO is attached.

When assembling the EARPIECE, make sure it is correctly aligned and the shown pins are facing the right
way.

When assembling the IHF SPEAKER, make sure it is correctly aligned and the shown pins are facing the
right way.

Remove the protective film from the DISPLAY. Place the top end of the DISPLAY to the A-COVER as
shown.

Lower down the bottom end of the DISPLAY and press it gently.

Remove the remaining protective film from the HEAT SPREADER. Place the top end of the DISPLAY
SUPPORT to the A-COVER as shown.

Lower down the bottom end of the DISPLAY SUPPORT and press it gently.

Fasten the four TORX+ size 4 screws in the order shown to the torque of 6 Ncm.

Fasten the four TORX+ size 4 screws in the order shown to the torque of 6 Ncm.

Fasten the four TORX+ size 4 screws in the order shown to the torque of 13 Ncm.

©2012 Nokia | Nokia Internal Use only | All Rights Reserved.

Service Manual Level 1 and 2

Nokia Lumia 820

RM-824, RM-825
Version 1.0

Solder components

X1302

LED

spring

X1301

LED

spring

X1303

LED

GND spring

MIMO Antenna

GND spring

LED

Fuse

X2161

Speaker

spring

X2162

Speaker

spring

Camera

fuse

F1400 X1000F1300

Grounding

spring

X1001X7810

Grounding

spring

BOTTOM

MIMO Antenna

spring

Micro USB
connector

X3300

MIMO Antenna

GND spring

X7811X7804

Main antenna

spring

Battery

connector

X2002

Sidekey

connector

X4400

LED flash

GND spring

LED flash

spring

Grounding

X1471

RTC

Capacitor

spring

X1002

BT/WLAN

GND springAVConnector

X6301

X2160

X1400G4200 X7800X7809

GPS

GND spring

Camera

socket

©2012 Nokia | Confidential | All Rights Reserved.

Service Manual Level 1 and 2

V

0

Nokia Lumia 820

RM-824, RM-825

ersion 1.

CA-101 Service cable AC-50 USB charger BP-5T

Service devices

SS-210 Camera removal tool Nokia Standard Toolkit (v2)

For more information, refer to the Service

Bulletin (SB-011) on Nokia Online. Supplier or

manufacturer contacts for tool re-order can be

found in “Recommended service equipment”

document on Nokia Online.

©2012 Nokia | Nokia Internal Use only | All Rights Reserved.

Service Manual Level 1 and 2

Nokia Lumia 820

RM-824, RM-825
Version 1.0

Product controls and interfaces

2
4

6
9

10

11

1

1 — 3.5 mm universal audio

connector

2 — Earpiece

3

3 — Front camera

4 — Ambient light & Proximity

sensors

5 — Touch screen

6 — Back key

5

7 — Start key

8 — Search key

9 — Microphone

10 — Micro USB connector

7

8

11 — Loudspeaker

12 — Camera

13 — Camera flash

14 — Volume keys

15 — Power/Lock key

12

13

16 — Camera key

14

15

16

Ver. 1.0

©2012 Nokia | Nokia Internal Use only | All Rights Reserved.

Service Manual Level 1 and 2

Nokia Lumia 820

RM-824, RM-825
Version 1.0

Flashing concept

Service concept

Service

software

CA-101

Care Dummy Battery
with power supply
via Nokia charger
or product
specific battery

Transceiver

©2012 Nokia | Nokia Internal Use only | All Rights Reserved.

Service Manual Level 1 and 2

Nokia Lumia 820

RM- 824, RM-825
Version 1.0

Phone reset

Hardware reset

If the phone hardware is jammed, you should first
recommend that the consumer performs a hardware reset.
The hardware reset does not reset the Windows Live ID or
remove any consumer data.

To perform a hardware reset remove the battery and
reinsert it. Boot up the phone normally.

Software / operating system (OS) reset

The software / operating system (OS) reset returns the phone to its out-of-the-box state. Note that
this procedure erases all consumer data! Always first try to perform a hardware reset.

Option 1: About menu

- Use this option if the consumer knows the lock code

- This option warns the consumer about data loss!

- Tap Settings > About > reset your phone

Option 2: Hardware key combination

- Use this option if the phone is locked and the consumer does not know the code

- Note: no warning about data loss!

- Do not advertise this feature to consumers!

Follow next steps to perform OS reset with phone keys.

Step 1
Make sure the phone is turned
Off. Press and hold the Volume
down and Power keys until an
exclamation mark is shown on the
screen

Step 2
Input the following key
combination:

1. Volume up

2. Volume down

3. Power

4. Volume down

Step 3
The phone will reset and boot up
automatically. Please note that
this may take several minutes.

Service Manual Level 1 and 2

V

0

y

Nokia Lumia 820

RM-824, RM-825

ersion 1.

Version Date Description

1.0 10.10.2012 First published version

Version histor

©2012 Nokia | Nokia Internal Use only | All Rights Reserved.