Troubleshooting Level 2; No Speaker Audio - Motorola MotoRAZR maxx V6 Manual

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Title: Troubleshooting-Guide MotoRAZR maxx V6

Troubleshooting Level 2

No speaker audio

Probable cause:
a) Transceiver board assembly defective
Verification: Temporarily replace the flip assembly with a known good flip assembly. If the
fault has not been cleared, it is because of a defective transceiver board assembly. Forward
to an authorized Level 3 Service Center or proceed to
b) Speaker bad soldered/defective
Remove flip cover and visually inspect soldered contacts at speaker. If not ok, resolder
speaker. Otherwise replace speaker with a new one.
c) Keyboard flex assy defective
Remove flip cover. Unseat the display module assembly flex connector from its socket and
temporarily connect the display module assembly and transceiver board assembly with a
known good keyboard flex assy as shown on Figure 3. Check speaker function by turning on
a 1 kHz test tone via RepairStudio/Radiocomm. If the fault has been cleared, reassemble flip
assy with new keyboard flex assy.
Repair Support Information
Doc. No:
Version:
Date:
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level 3 troubleshooting.
Figure 4
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TSG_3G_V6
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