LG LG-D175F - Page 156

3. TROUBLE SHOOTING
- 156 -
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TP2
TP4
TP3
TP1
C5308 DNI
ZD5300
FA-20H
26MHz
X5300
21
34
GND2 XTAL2
XTAL1 GND1
FL5300
836.5MHz/897.5MHz
5
32
41
IN
OUT
COUPLING1 COUPLING2
GND
0.5pC5309
TP5305TP5304TP5303
TP5302
TP5301
TP5306
C5304 0.1u
L5301 18n
L5302 100p
27nL5303
FC8150
U5300
E3 E2 D3 C3 B3 D2 C2 B2 A2
F5
F4
E5
E4
D5
B6
B5
D7
F6
E7
G7
G6
C7
C6
B7
F2
B4
E6 D6 C5 D4
A5
A7
F3 G3
A6
A3
G5
G4
F1
B1
G2 F7
G1
C4
E1
D1
C1
A1
RF_IN
VDD_RF/VCO
VDD_PLL/DIG
LDO_EN
BB_IB/_BB_QB
ADC_VDD
BB_CAP
XO_OUT
LNA_LOAD
LDO_OUT
XI
LDO_IN/VDDM3_3V
MIX_IND
HOST_INTB
XTAL_CAP XO
RESETB
BCEB
TMODE
HPI_MODE
HA0/BADDR_0 HA1/BADDR_1
BB_I/BB_Q
GND_LDO
HD0/TS_SYNC/SPI_MISO/BDATA_0
HD1/TS_EN/SPI_MOSI/BDATA_1
HD2/TS_DATA/SPI_CS/BDATA_2
HD3/I2C_SDA/CPOL/BDATA_3
HD4/I2C_CLK/CPHASE/BDATA_4
HD5/BDATA_5
HD6/I2C_ID0/SPI_ID0/BDATA_6
HD7/TS_CLK/SPI_CLK/BDATA_7
BWEB
BRDB
GND_BB_1
GND_BB_2
GND_BB_3
GND_BB_4
GND_BB_5
GND_RF_1 GND_RF_2 GND_RF_3
GND_RF_4 GND_RF_5 GND_RF_6
GND_RF_7
GND_ADC_1
GND_ADC_2
C5301
0.5p
L5300 22n
27nL5306
+1V8_VREG_L6
+1V8_VREG_L6
C5303 10u
0.1uC5306
0.1uC5307
0.1uC5305 0.1u
C5302
DNI
C5300
TP5300
100n
L5305
18n
L5304
CN5301 PMT1023
FEED
1SEG_CLK_OUT
1SEG_SPI_MISO
1SEG_SPI_MOSI
1SEG_SPI_CS
1SEG_INT
1SEG_SPI_CLK
1SEG_RESET_N
1SEG_EN
Rev.1.0
0822_Changed
Rev.C
Rev.C
TP2
TP4
TP3
TP1