LG L1150 Service Manual page 85

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4. TROUBLE SHOOTING
• RF Transceiver Chip (Si4205)
• PDNB, S_EN, S_CLK, S_DATA
– From DBB Main Chip Set
– Contains information all about ARFCN, voice data, user information etc.
– RF Chips operate according to these signals
SI4205
- 84 -
S_DATA
S_CLK
S_EN
PDNB

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