No Rx Wcdma - Motorola MotoRAZR maxx V6 Manual

Motorola GmbH, Mobile Devices, CSS Center
Title: Troubleshooting-Guide MotoRAZR maxx V6

No RX WCDMA

WCDMA RX is diplexed with Bluetooth TX/RX and uses the secondary antenna M002.
The diplexer performance is dependent on both the WCDMA RX and Bluetooth sides of the
circuit. Bluetooth components (FL5600, C5627,
placed for the WCDMA RX to function properly. Visually inspect these components when
presented with a WCDMA RX front-end failure.
Visually inspect WCDMA diplexer components (L012,
If a unit passes performance testing at 12.2k but fails at a higher data rate, the issue is
typically caused by the SYMPHONY
level 4 service center.
Check RX signal path from connector
If ok, suspect SYMPHONY. Also check
Inject a RF from Test Set. The power level should be set to max power. Check
antenna switch M002-1.
Repair Support Information
C5628 and L5628) must all be properly
Figure 40
L13 and C10)
Figure 41
U100 or the ARGON U1000
M002 to SYMPHONY inputs, look for misplaced parts.
26MHz TCXO and surrounding components.
© Copyright 2003-2007 Motorola Inc. All Rights reserved.
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Doc. No: TSG_3G_V6
Version: 1.0
Date: 23.07.2007
Page: 38 / 40
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