6 Revision History ......................................................................... 116
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Working Instructions (mech)
For general information about mechanical repair related issues, refer to
1220-1333: Generic Repair Manual - mechanical
Always firstly disconnect the Battery FPC BtB connector to cut off power supply when the Sub
Antenna Assy is disassembled.
Always finally connect the Battery FPC BtB connector before the Sub Antenna Assy is
reassembled.
If there are no special indications of ‘L39t/L39u Specific’ or ‘C6916 Specific’, L39t, L39u and
C6916 share the same repair method as common sections, whose pictures are used with L39t.
‘L39t/L39u Specific’ chapters use L39t pictures.
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1 Exterior Views
1.1 L39t/L39u
Working Instructions (mech)
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Exterior Views
1.2 C6916
Working Instructions (mech)
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2 Tools
SPECIAL TOOLS
1. Torque Screwdriver
2. Flex Film Assembly Tool
3. Torx Bits T4
4. Front Opening Tool
5. Guitar Pick
6. Window Back Adhesive Fixture
7. Window Back Press Top Inlay
8. Bottom Press Inlay
Working Instructions (mech)
9. Earspeaker Press Tool
10. Audio Jack Press Tool
11. Side Panel press
12. Side Panel Press Head
13. Charge connector press pad
For part no’s on the tools above, refer to the ‘Tools Catalogue/Matrix’!
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Tools
STANDARD TOOLS
1. Plastic Tweezers
2. Pointed-tip Tweezers
Working Instructions (mech)
3. Blunt-tip Tweezers
4. Suction cup
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3 Disassembly
3.1 Disassembly-L39t/L39u Specific
The L39t/L39u disassembly is done in the following order:
1. SIM Tray
2. Window Back Sub Assy
3. Sub Antenna Assy
4. Battery
5. Holder FPC Assy Audio Jack
6. Main Antenna Speaker Sub Assy & RF Cable & PBA
Sub
7. Tape Vibrator Connector
8. Vibrator
9. Shield Can LCD Component
10. FPC Assy Relay/Side Key
11. Main PBA & FPC Assy 2nd Antenna
12. Camera & Camera Holder (a) and Display Frame Assy
(b)
Working Instructions (mech)
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Disassembly
3.1.1 SIM Tray
Open the Cap SIM.
Remove the SIM Tray with fingers.
Working Instructions (mech)
Close the Cap SIM.
3.1.2 Window Back Sub Assy
Use Suction Cup to get space for inserting the Guitar Pick.
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Disassembly
Insert the Guitar Pick.
Gently slide the Guitar Pick along to release all sides of the
Window Back Sub Assy.
Note! Start in the middle of the right long side!
Working Instructions (mech)
Do the same.
Do the same.
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Disassembly
Do the same.
Do the same.
Working Instructions (mech)
Remove the Window Back Sub Assy by using the Suction
Cup.
3.1.3 Sub Antenna Assy
Remove the eight Screw Other Len:4.0 Diam:1.4 by using a
screwdriver with Torx Bits T4.
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Disassembly
Release the hooks by using Guitar Pick and lift up the Sub
Antenna Assy from bottom side.
Release top right side of the Sub Antenna Assy as shown in
picture.
Working Instructions (mech)
Remove the Sub Antenna Assy.
3.1.4 Battery
Disconnect the Battery FPC BtB connector by using the
Front Opening Tool.
Do not damage components on the Main PBA!
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Disassembly
Insert Guitar Pick between the Battery and the Display
Frame Assy.
Gently release the Battery from its cavity.
Working Instructions (mech)
Remove the Battery.
Carefully inspect the Battery after removing it.
Battery with visual signs of been punctured etc, then
should be scraped after removal!
3.1.5 Holder FPC Assy Audio Jack
Unsnap the Holder FPC Assy Audio Jack by using the Front
Opening Tool.
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Disassembly
Remove it.
3.1.6 Main Antenna Speaker Sub
Assy & RF Cable & PBA Sub
Disconnect BtB connector of the FPC Assy Relay/Side Key
by using the Front Opening Tool.
Do not damage components on the Main PBA!
Working Instructions (mech)
Disconnect BtB connector of the Display FPC by using the
Front Opening Tool.
Do not damage components on the Main PBA!
Disconnect BtB connector of the FPC Assy Charger Pad by
using the Front Opening Tool.
Do not damage components on the Main PBA!
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Disassembly
Disconnect BtB connector of the FPC Assy Audio Jack by
using the Front Opening Tool.
Do not damage components on the Main PBA!
Disconnect BtB connector of the Camera FPC by using the
Front Opening Tool.
Do not damage components on the Main PBA!
Working Instructions (mech)
Disconnect RF Cable connector by using the Front Opening
Tool.
Do not damage components on the Main PBA!
Release the RF cable from the Plate Contact RF A.
Do not stretch the RF Cable!
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Disassembly
Release the Vibrator by using the Plastic Tweezers.
Rotate the Vibrator as shown in picture.
Working Instructions (mech)
Insert Front Opening Tool between the Main Antenna
Speaker Sub Assy and the Display Frame Assy.
Release the hooks of the Main Antenna Speaker Sub Assy.
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Disassembly
Remove the Main Antenna Speaker Sub Assy.
3.1.7 Tape Vibrator Connector
Detach the Tape Vibrator Connector.
Scrap! Not to be reused!
Working Instructions (mech)
3.1.8 Vibrator
Disconnect Vibrator connector by using the Front Opening
Tool.
Remove the Vibrator.
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Disassembly
3.1.9 Shield Can LCD Component
Detach and remove the Shield Can LCD Component.
3.1.10 FPC Assy Relay/Side Key
Identify the release positions as shown in picture.
Working Instructions (mech)
Release the side key FPC and camera key FPC by using
Plastic Tweezers.
Detach the FPC Assy Relay/Side Key as shown in picture.
Do not damage and fold the FPC!
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Disassembly
FPC AssyRelay/SideKey
FPC!
Disconnect RF connector of the FPCAssy2ndAntenna.
FPCAssy
FPC!
FPC Assy Relay/SideKey
WorkingInstructions(mech)
Company Internal
Release 1st MIC part of the
shown in picture.
Be careful! Do not break the
as
Detach RF connector part of the
Be careful! Do not break the
Remove the
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Relay/Side Key.
.
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Disassembly
3.1.11 Main PBA & FPC Assy 2nd
Antenna
Insert the Front Opening Tool at this position as shown in
picture.
Release the Main PBA.
Working Instructions (mech)
Move the Main PBA as shown in picture until the USB
connector is visible.
Lift up the Main PBA and carefully thread the FPC Assy 2nd
Antenna through the hole as shown in picture.
Do not damage the FPC when threading!
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Disassembly
Continue threading as shown in picture.
Continue threading as shown in picture.
Working Instructions (mech)
Continue threading as shown in picture.
3.1.12 Camera & Camera Holder (a)
and Display Frame Assy (b)
Remove the Camera and its Camera Holder.
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Disassembly
3.2 Disassembly-C6916 Specific
The C6916 disassembly is done in the following order:
1. SIM Tray
2. Window Back Sub Assy
3. Sub Antenna Assy
4. Battery
5. Holder FPC Assy Audio Jack
6. Disassemble RF Cable from Main PBA and Display
Frame Assy
7. Speaker Sub Assy
8. Tape Vibrator Connector
9. Vibrator
10. Shield Can LCD Component
11. Main Antenna Assy & RF Cable & PBA Sub
12. Main PBA
13. Camera & Camera Holder (a) and Display Frame Assy
(b)
Working Instructions (mech)
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Disassembly
3.2.1 SIM Tray
Open the Cap SIM.
Remove the SIM Tray with fingers.
Working Instructions (mech)
Close the Cap SIM.
3.2.2 Window Back Sub Assy
Use Suction Cup to get space for inserting the Guitar Pick.
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Disassembly
Insert the Guitar Pick.
Gently slide the Guitar Pick along to release all sides of the
Window Back Sub Assy.
Note! Start in the middle of the right long side!
Working Instructions (mech)
Do the same.
Do the same.
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Disassembly
Do the same.
Do the same.
Working Instructions (mech)
Remove the Window Back Sub Assy by using the Suction
Cup.
3.2.3 Sub Antenna Assy
Remove the eight Screw Other Len:4.0 Diam:1.4 by using a
screwdriver with Torx Bits T4.
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Disassembly
Release the hooks by using Guitar Pick and lift up the Sub
Antenna Assy from bottom side.
Release top right side of the Sub Antenna Assy as shown in
picture.
Working Instructions (mech)
Remove the Sub Antenna Assy.
3.2.4 Battery
Disconnect the Battery FPC BtB connector by using the
Front Opening Tool.
Do not damage components on the Main PBA!
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Disassembly
Insert Guitar Pick between the Battery and the Display
Frame Assy.
Gently release the Battery from its cavity.
Working Instructions (mech)
Remove the Battery.
Carefully inspect the Battery after removing it.
Battery with visual signs of been punctured etc, then
should be scraped after removal!
3.2.5 Holder FPC Assy Audio Jack
Unsnap the Holder FPC Assy Audio Jack by using the Front
Opening Tool.
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Disassembly
Remove it.
3.2.6 Disassemble RF Cable from
Main PBA and Display Frame
Assy
Disconnect RF Cable connector by using the Front Opening
Tool.
Do not damage components on the Main PBA!
Working Instructions (mech)
Release the RF cable from the Plate Contact RF A.
Do not stretch the RF Cable!
3.2.7 Speaker Sub Assy
Release the Vibrator by using the Plastic Tweezers.
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