Service Information This document has been produced for the service departments of the Unitron Hearing group companies and agents. It is reserved for Unitron Hearing Service Centers and for trained, authorized service departments exclusively. Product Release Date: May 2008 Revision History REV# DESCRIPTION DATE 02 03 04 Initial Release part number change - Microphone - from: 3-0023 (6270MP) to: 3-0263 (TO Power) Part number change - Microphone protection - from: 004-6098-xx1 to: 004-63-xx1 Materials change - pins 002-0386-1 to 002-0465-1 Titan and 002-0407-1 to 002-0469-1 Titan 14-Apr-08 20-Oct-08 08-Jan-09 15-Jul-09 Service Information Next [16/8/4/E] Page: 1 of
Table of Contents DESCRIPTION Cover & Revision History Table of Contents Tools and Fixtures Parts List Exploded View Assembly Views - Disassembly - Wiring, AMM / BRM - AMM / BRM Replacement - Microphone Replacement - Battery Contact Replacement - Telecoil Replacement General Information - Programming PAGE 02 03 04 06 06 07 08 09 09 Next [16/8/4/E] Service Information Page: 2 of
Service Fixture (026-27) Next BTE Tools and Fixtures Slide fixture alignment pin Pin removal tool (002-0404-1) Use this end to aid in the installation of pins Use this end to aid in the removal of pins Service Information Next [16/8/4/E] Page: 3 of
Available Replacement Parts Lot Position Description Size Part Number 02 03 04 06 07 08 09 11 12 13 14 15 Shell Conversion kit for Next (includes battery door and microphone protector) Battery door Ear hook Microphone protector (beige= / gray=) ID plate Next 16 printed - Black ID plate Next 16 printed - Gray ID plate Next 8 printed - Black ID plate Next 8 printed - Gray ID plate Next 4 printed - Black ID plate Next 4 printed - Gray ID plate Next E printed - Black ID plate Next E printed - Gray Program switch/membrane kit Tube round AMM Center bushing Pin 0.7mm (dia) x 5.0mm Pin 0.7mm (dia) x 8.0mm Pin 0.7mm (dia) x 6.7mm Titan Pin 0.7mm (dia) x 7.6mm Pin 0.68mm (dia) x 4.8mm Titan Code pin right - red Code pin left - blue 1 048-5078-xx* 004-6169-xx1* 004-84-0 004-63-xx1 004-6220-0 004-6221-0 004-6226-0 004-6227-0 004-6232-0 004-6233-0 004-6236-0 004-6237-0 004-6266 004-2787-0 004-65-0 002-5031-1 002-5030-1 002-0469-1 002-5038-1 002-0465-1 004-5896-1 004-5896-071 Next [16/8/4/E] Service Information 16 16 16 16 17 18 19 20 21 22 23 24 Amplifier Module Amp Next 16 service 1 045-5299-1 Amp Next 8 service 1 045-5300-1 Amp Next 4 service 1 045-53-1 Amp Next E service 1 045-5302-1 Microphone TO Power (matched pair) 1 3-0263 Mic suspension TO-Mic 0-0380-1 Telecoil with litzwire 5.4mm 184mH 1 047-0002 BRM Module BRM ED Battery contact small gold-plated Screw for housing S07x2mm gold-plated Volume control cover Volume control rocker Other Tamper proof kit - beige Tamper proof kit - clear * Shell Parts - last 2 digits of part number signify colour xx =beige, 03=brown, 04=frost white, =light gray, 06=black, 12=dark gray, 29=metallic beige, 30=metalic brown, 35=taupe, 36=transparent red, 37=transparent blue, 38=transparent purple, 43=metalic gray, 68=silver mist. Number denotes Lot Size; Quantities ordered must be in multiples of Lot Size only. 1 1 1 3-0048 003-0323-1 002-0403-1 0-0220-1 004-6425-131 4-5209- 4-5209-13 Page: 4 of
Exploded View 04/ 18/16 18/16 17/16 09 16 06 19/16 03 12 24 13 20 07 22/20 21/20 23/20 14 15 08 22/20 21/20 02/ 11 Service Information Next [16/8/4/E] Page: 5 of
Assembly Views Disassembly Unscrew earhook and remove 2 pins as shown. Wiring AMM / BRM Open battery door, lift top shell. Remove top shell components as required. Lift AMM/BRM from bottom shell Next [16/8/4/E] Service Information Back Mic 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 - TC Green Front Mic VC Up VC Down AI GND AI 1 2 3 6 9 4 7 Back M ic 5 8 Front M ic Batt+ Batt- (GND) Page: 6 of
Assembly Views Care must be taken to avoid damage to positioning pins. AMM / BRM Replacement Unsolder receiver wires Unsolder connection between AMM and BRM. Remove pin Install pin Separate AMM from BRM Align flex on pins. Solder connections; Make sure boards are flat together. Must use service fixture Lacquer solder connections Bring AMM and BRM together at receiver spout Place into Service Fixture. Solder receiver wires Lacquer solder connections Service Information Next [16/8/4/E] Page: 7 of
Assembly Views Microphone Replacement front mic back mic + rd - gn ~ ye ~ bl - gn + rd Unsolder all microphone wires Remove microphones from AMM frame suspension through AMM frame back mic Next [16/8/4/E] Service Information Position new microphone into AMM frame Insert suspension through frame using plastic screwdriver front mic Solder wires for front microphone Lacquer solder connections - gn ~ ye + rd Solder wires for back microphone Check position of microphones - gn ~ bl + rd Page: 8 of
Assembly Views Battery Contact Replacement Remove solder Remove screws and contacts Install new contacts and screws Solder contacts lacquer contacts Telecoil Telecoil Replacement Remove Telecoil Unsolder telecoil wires Position telecoil to touch frame at shown points Glue telecoil into place Solder telecoil wires green red Lacquer all solder connections Service Information Next [16/8/4/E] Page: 9 of
General Information Programming; 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-027; U:Fit Service Tools. 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, or the U:fit prerequisites CD, please contact your local Unitron Hearing sales representative. Next [16/8/4/E] Service Information Page: of