Radio Operating Tu_Da/ Clk/ Rst Waveform - LG CM1530 Service Manual

4. RADIO OPERATING TU_DA/ CLK/ RST WAVEFORM

15
16
17
Figure 4. TU_DA/ CLK/ RST
L402
GND
17
IIC_SDA1
IIC_SCL1
16
TU_RESET TU_RESET
IIC_SCL IIC_SCL
IIC_SDA IIC_SDA
FM_ANT
TUNER
15
270NH
FB400 300RH
PLL_CS
GND
GND
R-OUT L-OUT
82R
R408
ZD400
GND
GND
330R
R407
R404
330R
GND GND
12
11
10
9
R-OUT
L-OUT
C424
L403 2.2UH 2.2uF R414
C425 2.2uF
R415
L404 2.2UH
TUNER+5V
3-14
IIC_SDA1
IIC_SCL1
TUNER-VDD
FM-R
FM-L
GND