LG KU950 Service Manual page 133

4. TROUBLE SHOOTING
4.19.2. Checking DVB-H Demodulator
R204 1M
1608 1%
TP5
X200
4
1
30MHz
EXXY0015502
C223
FA-238_30MHz
20p
+1.2V_DIB_A
+2.7V_DIB_A
+2.7V_DIB_RF
FB202 75
3
2
C224
20p
C225
0.1u
C232
0.1u
C233
0.1u
C240 C241 C242 C243 C244 C245 C246
1u 0.1u 1u 0.1u 1u 0.1u 0.1u
1608 1608 1608
RF_AGC
C250 C251
BB_AGC
DIB_I2C_SCL
4.7u 0.1u
DIB_I2C_SDA
+2.7V_DIB_RF
TP5
A2
VDDXO
A3
VDDXI
B4
XOUT
A4
XIN
A6
PLL_VCC
C6
PLL_GND
L3
CLK_SEL
L1
IO_CLK
H2
XENA
B12
INO VINNI
B11
IPO VINPI
B8
QNO VINNQ
B9
QPO VINPQ
A12
VREFN
A11
VREFP
C234 0.1u A13
VCM
C235 0.1u A14
VBG
B13
AVDD1
C11
AGND1
C12
AGNDREF
A8
AVDDIQ
A9
AVDD3V3
C9
AGNDIQ
B5
VIN0
B6
WBD_OUT VIN1
B7
VIN2
A7
AVDD_LS
C7
AGND_LS
F1
VDD_BANK0
E1
AGC1
E3
AGC2
E2
SCL_MASTER
F2
SDA_MASTER
TP6
U200
U201
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TP6