LG TracFone LG840G Service Manual page 147

U401
MEMORY
NAND 2G/DDR 1G
- System can't work
U102
IC, Power Amplifier
WCDMA PAM
WCDMA Tx Power and
- No service
U402
Mini ABB(RT8966A)
Abnormal operation
- No USB,TA,HPH
FL102, 105:
WCDMA TX SAW
WCDMA Tx Power and
- No service
LGE Internal Use Only
LG840G_MAIN_EAX64714301_1.0_ BOT-2 _TOP
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9. PCB LAYOUT
CN601: LCD Connector
- No LCD display
X301: X-tal(32.768KHz)
Abnormal operation
- No power on
- Main chip can't work
U201
Digital Baseband
Processor 3G
QSC6270-E
- Can not power on
- No Service
X302: XO(19.2MHz)
Abnormal operation
- No power on
- Main chip can't work
U102: GSM PAM
GSM Tx Power and
- No service
FL101: FEM
- No service
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