LG KF750 Service Manual page 171
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Also See for KF750:
- User manual (266 pages) ,
- Quick reference manual (226 pages) ,
- Brochure & specs (12 pages)
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4. TROUBLE SHOOTING
Check PIN6,PIN7,PIN8 of RF3000.
Check if there is any Major difference.
Refer to Figure 4-15
LGE Internal Use Only
Figure 4-15. GSM RF Control signal
No
Similar?
Yes
Control signal is OK.
See next page to check
- 172 -
No
Short?
Yes
Change the board
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Troubleshooting
