1 Warning Caution: • Pb free solder has a higher melting point that standard solder; Typicall the melting point is 50 - 70°F (30 - 40°C) higher. Please use a soldering iron with temperature control and adjust it to 750 ± 20°F (400 ± 10°C). In case of using high temperature soldering iron, please be careful not to heat too long.
Delete all pairing memories after repairing. [How to delete all pairing memories] Push the Volume+ - button and Switch at the same time while EY37C5 is turned OFF then you'll hear a beep after 5 seconds → All pairing memories are deleted.
4 Disassembly and Assembly Instructions *To assemble the tool, start with 15 and proceed to 1. 4. Remove 4-pin connector from the main module. 1. Remove 4 tapping screws. 2. Remove 2 tapping screws from main module. 5. Remove the heat resistant tape from the main module. 3.
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9. Remove Speaker assembly. Pay attention not to snap 2P lead wire. 10. Rotate joint parts to remove 4 screws. 13. Remove the rear cover. 14. Remove the protective rubber. Lead wire 11. Rotate the LED unit to remove the joint. Note: If replacing the speaker, fixed the lead wire with cemedine.
5 Exploded View and Replacement Parts List 5.1. PARTS LOCATION 18 18 9070001 2019 Production marking 7 digits 9 07 0001 Serial No. Month Year (Last 1 digit) 2019 Year...
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5.2. REPLACEMENT PARTS LIST Model No.EY37C5 Ref. No. Part No. Part Name & Description Q'ty Remarks WEY37C5K3088 BASE UNIT WEY37C4L3127 USB RUBBER COVER WEY37C5K1447 JOINT ASSEMBLY WEY37C5K3098 SPEAKER UNIT WEY37C4L0217 RING RUBBER WEY37C4L3177 COVER BASE WEY37C4K0877 HINGE COVER (φ25) WEY37C4L1337...