No Hands-Free Transmit Audio/Called Party Cannot Hear You - Motorola V60 Series Manual

No Hands-free Transmit Audio/Called Party Cannot Hear You

4.4.7
The diagnostics that follow assume that the phone operates normally in Portable Mode (Coil Cord
Unplugged). Please confirm prior to continuing.
1. Verify complaint by making a hands-free call in the Mobil Mode (Coil Cord Plugged
in) with the flip closed.
Can land party hear your hands-free conversation?
Yes- Problem is not evident at this time- get more specific information from the customer
regarding the problem.
No- Can you hear land party?
Yes- Go To STEP 2
No- Test voice recognition and Tele-aid for proper ground, if grounded, Go To STEP 5
2. Verify 10 pin connector in center armrest is not damaged (bent or missing pins). If
damaged replace. Otherwise substitute a known good 10-pin connector. Place test call.
Can landline hear you?
Yes- Original 10-pin connector was damaged or defective. END
No- Reinstall original 10-pin connector. Go To STEP 3.
3. Try a known good handset. Place test call.
Can landline hear you?
Yes- Original handset defective.
A. Call the service provider to activate new ESN.
B. Program phone in portable mode (coil cord unplugged). Enter customer's security and
unlock code.
C. Transfer ALL of customer's phonebook from old phone to new phone.
D. Perform "Initial Installation" checks to verify that phone functions properly in car.
END.
No- Reconnect original handset. Go To STEP 4.
4. Substitute a known good coil cord. Place test call.
Can landline hear you?
Yes- Original coil cord was defective. END
No- Reinstall original coil cord. Go To STEP 6.
5. Verify the Hands-free volume is turned to a high enough level that you can hear it.
6. Look at PSE for bent or damaged pins, if pins look good substitute a known good PSE.
Place test call.
Can landline hear you? Yes-Original PSE
defective. END No-Reinstall original PSE.
Go To STEP 7
7. Substitute a known good Y cable. Place test call.
Mercedes Benz Telephone Manual v4.6
4.0 Troubleshooting Section
Date: 09/01/2004