Astra G
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Free speak microphone - Bad transmission
Models: Corsa-B 99..., Tigra 99..., Vectra-B 99..., Omega-B 99..., Astra-G 98...
Engines: All
Option:
Group: N - Electrical Equipment
Troublecode: Non
Complaint: Poor Performance Bad transmission quality of free speak microphone. The voice gets disorted or the transmission volume is to low.
Cause: Wrong pin connection of 18-pin connector on telephones that requiered passive microphones. The VDA standard only features active microphones.
Production
Remedy:
Special: No
In case of complaint check if the telephone features a passive microphone. In this case change the connection contacts 1 and 3 at the free speak microphone.
1) Radio 2) 18-pole VDA-connector 3) Microphone 4) Antenna
18 pin VDA Microphone pin Wire size Signal name 18 1 0.25 Micro audio (active mode) 9 2 Shield Micro ground 14 3 0.25 Micro audio (passive mode)
Work-instructions:
Open driver door.
Remove dome lamp.
Free connection of free speak microphone connector.
Change position of pin 1 and pin 3 at the free speak microphone connector with the correct disconnection tool.
Labour-operation: TC: Hours: T 8123 30 Change the position of the microphone pins 90 0.2 hrs
The regular warranty procedure should be used for claiming Set-up-time.
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