LG KU580 Service Manual - Page 132
Checking WCDMA Block
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4. TROUBLE SHOOTING 4.19 Checking WCDMA Block start 1. Check VCXO Block ➁ 2. Check Front End Module 3. Check Control Signal 4. Check RF TX Level 5. Check PAM Block Bottom View ➂ 6. Check RF RX Level Re-download SW, Cal Top View Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 133 - LGE Internal Use Only
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- 133 -
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
4.19 Checking WCDMA Block
start
1. Check
VCXO Block
4. Check
RF TX Level
3. Check
Control Signal
Re-download SW, Cal
2. Check
Front End Module
6. Check
RF RX Level
5. Check
PAM Block
Top View
Bottom
View
➀
➅
➃
➄
➁
➂
➁
➀
➅
➃
➄