LG 55EC9300 Repair Manual page 55

4. Tuner Block Diagram 4. Tuner Block Diagram
Tuner
[+3.3V_TUNER] 1, 11
+3.3V_TU
I2C_SCL4
I2C SDA4 I2C_SDA4
[SLC] 6
33Ω
[SDA] 6
IC2_SDA6
IC2_SCL6
/S2_RESET
[S_RESET] 25
IF_P
[M_DIF_P] 6
IF_N IF N
[M_DIF_N] 7
TUNER_SIF(for T2/C/S)
S_SIF 9
TU_CVBS(for T2/C/S)
S_CVBS 8
IF_AGC
M_DIF_IFAGC 3
+3.3V_TU
IC101
AP6 [SCL3]
AR6 [SDA3] M14 M14
1 5K Ω 1.5K Ω
AJ5 [GPIO22]
AG23[SCL5]
AH24 [SDA5]
AG17 [GPIO6]
6dB TR AMP 6dB TR AMP
AK29 [AAD_ADC_OUT] AK29 [AAD ADC OUT]
DMD_SIF_OUT
AL30 [DMD_SIF_OUT]
LPF LPF
AK27 [DMD_DAC_OUT]
SoC_CVBS_OUT
AL27 [CVBS_IN1]
AK28 [DMD_ADC_INP]
AL28 [DMD_ADC_INN]
AK29[DMD_ADC_SIF]
AL27[CVBS_IN1]
AM29[IFAGC]
LGE Internal Use Only