LG -D175F Service Manual page 156

TP3
TP4
TP3
Rev.C
L5301 18n L5302 100p
L5300 22n
C5301
0.5p
ZD5300
0822_Changed
LGE Internal Use Only
TP1
TP2
TP4
836.5MHz/897.5MHz
FL5300
5
2 COUPLING1 COUPLING2 3
L5304 18n
1 4
IN OUT
C5309 0.5p
DNI
L5303 27n
1SEG_EN
+1V8_VREG_L6
<Main Bot>
A1
RF_IN
A3
MIX_IND
B1
L5306 27n
LNA_LOAD
B4
BB_I/BB_Q
C4
L5305
BB_IB/_BB_QB
TP5306
100n U5300
FC8150
F1
LDO_OUT
E1
LDO_EN
F2
GND_LDO
G5
LDO_IN/VDDM3_3V
C1
VDD_RF/VCO
D1
VDD_PLL/DIG
G1
ADC_VDD
TP1
C5308 DNI
1SEG_CLK_OUT
Rev.1.0
TP2
- 156 - Copyright © 2014 LG Electronics. Inc. All right reserved.
3. TROUBLE SHOOTING
TP5303 TP5304 TP5305
B7
1SEG_SPI_MISO
HD0/TS_SYNC/SPI_MISO/BDATA_0
C6
1SEG_SPI_MOSI
HD1/TS_EN/SPI_MOSI/BDATA_1
C7
1SEG_SPI_CS
HD2/TS_DATA/SPI_CS/BDATA_2
G6
HD3/I2C_SDA/CPOL/BDATA_3
G7
HD4/I2C_CLK/CPHASE/BDATA_4
E7
HD5/BDATA_5
TP5302
F6
HD6/I2C_ID0/SPI_ID0/BDATA_6
D7
HD7/TS_CLK/SPI_CLK/BDATA_7 1SEG_SPI_CLK
A5
BCEB
A6
1SEG_INT
HOST_INTB
A7
TP5300 1SEG_RESET_N
RESETB
B5
BWEB
B6
BRDB
TP5301
D5
GND_BB_1
E4
GND_BB_2
E5
GND_BB_3
F4
GND_BB_4
F5
GND_BB_5
26MHz
XTAL1 GND1
1 2
GND2 XTAL2
4 3
Rev.C
X5300 FA-20H
Only for training and service purposes
+1V8_VREG_L6