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unitron.com Page: 1 of 13Copyright ©2010 Unitron Hearing Ltd.
Service Instruction
Latitude [4/8/16] HP BTE File: SI-068-02.pdf Revision: 02
This document is produced and reserved for Unitron service centers and for trained authorized service departments exclusively.
Created: 07-Jul-2009 BdB
Approved: 25-Oct-2010 RT
Uncontrolled copy if printed Released: 25-Oct-2010 IC
Behind-the-ear hearing instruments.
Electrostatic discharge sensitive devicesTake ESD precautionary measures whenever handling electronic devices
Products and Models:
Version: Detail: Date:
01 Initial Release 09-Oct-2009
01 Correction to Delivery Settings 25-Oct-2010
0543
Revision History:
Latitude 16 HP BTELatitude 8 HP BTELatitude 4 HP BTE
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unitron.com Page: 2 of 13Copyright ©2010 Unitron Hearing Ltd.
Service Instruction: Revision:
SI-06802
Latitude [4/8/16] HP BTE
Table Of Contents:
Section Description: Page:
Products and Models: ��������������������������������������������������� 1Revision HistoRy: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table Of Contents: ������������������������������������������������������ 2
General Information: ��������������������������������������������������� 3equipment and mateRials: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3deliveRy settings: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Replacement paRts list: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4explode view: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Bte colouR selection: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6tools and FixtuRes: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6pRogRamming: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Repair Information: ����������������������������������������������������� 8disassemBly: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8wiRing amm / BRm: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8sound tuBe Replacement: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9BatteRy contact Replacement: . . . . . . . . . . . . . . . . . . . . . . . . . . . 9amm / BRm Replacement: . . . . . . . . . . . . . . . . . . . . . . . . . . . 10micRopHone Replacement: . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11telecoil Replacement:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12micRopHone ligHt sensitivity: . . . . . . . . . . . . . . . . . . . . . . . . . . 12assemBly: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13BatteRy contact adjustment: . . . . . . . . . . . . . . . . . . . . . . . . . . 13
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unitron.com Page: 3 of 13Copyright ©2010 Unitron Hearing Ltd.
Service Instruction: Revision:
SI-06802
Latitude [4/8/16] HP BTE
Category Description Part no./Download
Service tools Pin handling tool (10 pcs) 002-0404-1
Service fixture for AMM - BRM soldering 026-0127
Chemicals Lacquer green, 2ml 021-0393
Glue Loctite 401, 20g 021-0015
Soldering flux, 250 ml 021-0650
Flux pen 026-0449
Solder (Lead free) Solder Sn96Ag4Cu.7, 0.23mm, 250g 021-0103
Solder Sn96Ag4Cu.7, 0.46mm, 250g 021-0851
Software U:fit 2.1 or higher, U:set 2.1 or higher unitron.com
Programming cables Programming cable CS44 (Unitron Version) 058-5005 Blue
058-5006 Red
Batteries 13A
Documentation SI-066; U:set User Information
Technical Data unitron.com
TI-266; Measurment of BTE Hearing Instruments
General Information:
Equipment and Materials:
Delivery Settings:
Model Program 1 Program 2 Program 3
Latitude 4 Quiet/Match Target Group/Party easy-t
Auto Pro
Destination 1 Destination 2 Destination 3
Latitude 8 Quiet/Match Target Group/Party - easy-t -
Latitude 16 Quiet/Match Target Group/Party Traffic/Intense easy-t -
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unitron.com Page: 4 of 13Copyright ©2010 Unitron Hearing Ltd.
Service Instruction: Revision:
SI-06802
Latitude [4/8/16] HP BTE
Pos Description Lot † size Part Number
Shell
01 Conversion kit for ‘Latitude [4/8/16] HP’ (includes battery door and microphone protector) 1 048-5077-xx*02 Battery Door 10 004-6169-xx1*03 Earhook 10 004-1084-001
04 Microphone protector (available in beige=01 and gray=05 only) 10 004-6305-xx1*05 ID plate ‘Latitude 16 HP’ printed - Black 10 004-6456-001
05 ID plate ‘Latitude 16 HP’ printed - Gray 10 004-6457-001
05 ID plate ‘Latitude 8 HP’ printed - Black 10 004-6452-001
05 ID plate ‘Latitude 8 HP’ printed - Gray 10 004-6453-001
05 ID plate ‘Latitude 4 HP’ printed - Black 10 004-6448-001
05 ID plate ‘Latitude 4 HP’ printed - Gray 10 004-6449-001
06 Program switch/membrane kit 10 004-6266
07 Tube round AMM 10 004-2787-001
08 Center bushing 10 004-6105-001
09 Pin 0.7mm x 5.0mm 10 002-5031-1
10 Pin 0.7mm x 8.3mm Titan 10 002-0467-1
11 Pin 0.7mm x 6.7mm Titan 10 002-0469-1
12 Pin 0.7mm x 7.6mm 10 002-5038-1
13 Pin 0.68mm x 4.8mm Titan 10 002-0465-1
14 Code pin right - red 10 004-5896-101
15 Code pin left - blue 10 004-5896-071
Amplifier
16 Amplifier module for ‘Latitude 16 HP BTE’ 1 045-5333-1
16 Amplifier module for ‘Latitude 8 HP BTE’ 1 045-5327-1
16 Amplifier module for ‘Latitude 4 HP BTE’ 1 045-5321-1
17 Microphone TO Power (matched pair) 10 013-0263
18 Mic suspension TO-Mic 10 005-0380-1
19 Telecoil with litzwire 5.4mm 184mH” 1 047-0002
BRM Module
20 BRM EF-5 1 013-0581
21 Battery contact small gold-plated 10 003-0323-1
22 Screw for housing S07x2mm gold-plated 10 002-0403-1
23 Volume control cover 10 005-0014-1
24 Volume control rocker 10 004-6425-131
- Tamper proof Kit (available in beige=01 and clear=13 only) 1 054-5209-xx*
Replacement Parts List:
* The ‘xx’ in part numbers signify colour designation, see “Colour Selection” section for available colours.
† Number denotes Lot Size; Quantities ordered must be in multiples of Lot Size only.
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unitron.com Page: 5 of 13Copyright ©2010 Unitron Hearing Ltd.
Service Instruction: Revision:
SI-06802
Latitude [4/8/16] HP BTE
Explode View:
04/01
01
01
01
05
11
02/01
15
14
23/20
21/20
2013
22/20
21/20
22/20
0810
07
03
19/16
16
0612
24
09
18/16
17/16
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unitron.com Page: 6 of 13Copyright ©2010 Unitron Hearing Ltd.
Service Instruction: Revision:
SI-06802
Latitude [4/8/16] HP BTE
Number Description01 Beige03 Brown04 White05 Light Gray06 Black12 Dark Gray29 Metallic Beige30 Metallic Brown35 Taupe36 Transparent Red37 Transparent Blue38 Transparent Purple41 Pearl43 Metallic Gray55 Indigo68 Silver Mist
Number Description23 GrayD0 StoneD2 PlumD3 Medium BlueD4 Aubergine
D5 Mica BeigeD6 IvoryD7 TungstenD8 OpalD9 Polaris BlueE1 ChampagneE2 Cocoa
Colour Selection:
Standard Ring - 16 Colours Additional Ring - 12 Colours
The tables below show the Unitron Standard and Additional colour rings. * Latitude [4/8/16] HP BTE is available in the highlighted colours only.
Use this end to aid in the removal of pins
Use this end to aid in the installation of pins
Pin removal tool (002-0404-1)
Tools and Fixtures:
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unitron.com Page: 7 of 13Copyright ©2010 Unitron Hearing Ltd.
Service Instruction: Revision:
SI-06802
Latitude [4/8/16] HP BTE
slide fixture
alignment pin
Service Fixture (026-0127)
The default hearing instrument settings are pre-programmed into the hearing aid at the point of manufacture and are stored within the hybrid. If replacement of the AMM is required as part of the service, follow the procedure outlined in SI-066; U:set User Information. The latest release of U:Fit software and a Hi-Pro or NoahLink (recommended) programmer are required for this procedure. To obtain U:fit Standalone, U:fit for Noah, the U:fit PDF installer or sound files, please contact your local Unitron Hearing sales representative.
Programming:
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unitron.com Page: 8 of 13Copyright ©2010 Unitron Hearing Ltd.
Service Instruction: Revision:
SI-06802
Latitude [4/8/16] HP BTE
Repair Information:
Disassembly:
Wiring AMM / BRM:
Unscrew earhook and remove 2 pins as shown.
Open battery door, lift top shell. Remove top shell components as required.
Lift AMM/BRM frombottom shell
1 2 3
VC Up
VC Down
AI
GND AI
Battery +
Battery -(GND)
Back microphone
Back Mic
Front microphone
Front micTeleco
il (TC
)
1 Receiver Red
2 Receiver Green
3 N/C
4 Back Mic ~ Blue
5 Back Mic - Green
6 Front & Back Mic + Red
7 Front Mic ~ Yellow
8 Front Mic - Green
9 TC Red
10 TC Green
1 2
3 4 56 7 89 10
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unitron.com Page: 9 of 13Copyright ©2010 Unitron Hearing Ltd.
Service Instruction: Revision:
SI-06802
Latitude [4/8/16] HP BTE
Push out the sound tube while holding back the receiver suspension.
Attach a standard sound tube.
A
B
Sound Tube Replacement:
Battery Contact Replacement:
Remove solder Remove screws and contactsInstall new contacts and screws
Solder contactsLacquer contacts
1
21 3
2
Lacquer
Lack
Solder
330°C
Solder wick
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unitron.com Page: 10 of 13Copyright ©2010 Unitron Hearing Ltd.
Service Instruction: Revision:
SI-06802
Latitude [4/8/16] HP BTE
AMM / BRM Replacement:
Unsolder the receiver litzwires. Unsolder the connection between AMM and BRM.
AttentionSolder wickSolder wick Cleaning tip
+ rd
- gn
Do not touch:- the plastic triangles- the wireless antenna.
Remove the pin, detach AMM and BRM and clean the prints.
Add some solder on the AMM solder pads.
AttentionCleaning tip Solder
330°C
Join AMM and BRM together, insert the pin and solder AMM with BRM close together.
Solder the receiver litzwires.
Flux Toothpick Lacquer
Lack
Solder
330°C
Lacquer
Lack
Solder
330°C
Add some flux, press with the toothpick and solder.
QC-in
Keep the antenna clean.
Attention
+ rd- gn
1
3
5
2
4
6
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unitron.com Page: 11 of 13Copyright ©2010 Unitron Hearing Ltd.
Service Instruction: Revision:
SI-06802
Latitude [4/8/16] HP BTE
Unsolder the microphone litzwires. Pull the microphones out.
Front microphoneBack microphone
Cleaning tipSolder wick
- gn
~ bl
+ rt - gn
~ ye
+ rt
Position the new microphone pair into the frame by means of plastic tweezers and hold with your fingers. Insert the rubber suspension into the frame by means of the plastic screwdriver.
Solder the litzwires of the back microphone.
Solder
330°C
Screwdriver
Screwdriver
Solder the litzwires of the front microphone and lacquer the pads.
Check that the microphones are positioned correctly.
QC-inLacquer
Lack
Solder
330°C
- gn
+ rd~ ye
Front microphone
Back microphone
- gn
+ rd~ bl
Tweezers
plastic
Microphone Replacement:
1
3
5
2
4
6
The microphone litzwires must not touch the T-Coil.
QC-in
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unitron.com Page: 12 of 13Copyright ©2010 Unitron Hearing Ltd.
Service Instruction: Revision:
SI-06802
Latitude [4/8/16] HP BTE
Unsolder the Telecoil litzwires. Remove the Telecoil.
Solder wick Cleaning tipTweezers
Press out the Telecoil from these points.
- gn+ rd
Glue the Telecoil into the frame and solder the litzwires.
T-Coil has to touch the frame at the shown points.
Solder
330°C
Lacquer
Lack
Loctite
401
- gn+ rd
Telecoil Replacement:
Microphone Light Sensitivity:
1
1
3
2
2Tilt the microphones out of the AMM frame. Cover the white area with black paint marker.
Edding 780
Marker
This workstep is essential, if the microphone fronts are not already covered with black / red color.
Attention
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unitron.com Page: 13 of 13Copyright ©2010 Unitron Hearing Ltd.
Service Instruction: Revision:
SI-06802
Latitude [4/8/16] HP BTE
Assembly:
Battery Contact Adjustment:
Install pins and earhook.Install Microphone and VC Rocker into top shell. Place top shell over electronics.
Install electronics into bottom shell
1
1
2
2
3
In case of a battery contacts replacement, please bend the minus battery contact (right) in order to ensure properly function-ing contacts:
Check the position of the battery contacts.
QC-in
Bad Good Bad
If necessary adjust minus contact with tweezers.
UNCONTROLLED COPY IF PRINTED