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4. TROUBLE SHOOTING
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Only for training and service purposes
4. TROUBLE SHOOTING
4.1 RF Component
U301
Memory(2G NAND/1G SDRAM)
H9DA2GH1GHMMMR-46M
U201
Main Chip (A-GOLD RADIO NAND)
PMB8815
U101
GPRS QUAD TX DUAL RX MODULE
RF7171
X201
Crystal, 26MHz Clock
TSX- 3225
SW101
RF Switch
MS-156C
Figure 4.1
U201
U301
X201
U101
SW101