LG KU580 Service Manual - Page 133
Checking VCXO Block, 19.2 Checking Ant. SW module, 19.3 Checking Control Signal
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4. TROUBLE SHOOTING 4.19.1 Checking VCXO Block Refer to 4.17 4.19.2 Checking Ant. SW module Refer to 4.18 4.19.3 Checking Control Signal First of all, control signal should be checked. (data, clk, strobe) PIN6 (STROBE) PIN7 (DAT) PIN8 (CLK) Figure 4-28-1. Test points (Control Signal) LGE Internal Use Only - 134 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
- 134 -
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
4.19.1 Checking VCXO Block
Refer to 4.17
4.19.2 Checking Ant. SW module
Refer to 4.18
4.19.3 Checking Control Signal
First of all, control signal should be checked. (data, clk, strobe)
PIN6 (STROBE)
PIN7 (DAT)
PIN8 (CLK)
Figure 4-28-1. Test points (Control Signal)