The following test points on the PWB help in the effective debugging and troubleshooting.
Sr No
Signal name
Measuring point
Description
1
HDMI_REG_EN
R1672
Enable signal for VHDMI_5V0 regulator. This
signal needs to be High for regulator to be On.
2
VHDMI_5V0
V1656
5V supply to HDMI sink.
3
HDMI_CABLE_DET
SW1.X1650
HDMI cable detect signal to HDMI source. This
signal goes Low when a cable is inserted.
4
HDMI_HPD
19.X1650
Hot Plug Detect signal to HDMI source. This
signal goes High when a cable is inserted.
5
HDMI_I2C(1:0)
15.X1650
16.X1650
I2C signals for HDMI.
SDTV
The phone has SDTV capability. The phone can be connected to an analog TV through a TV Out cable.
The following references on the PWB help in the effective debugging and troubleshooting of SDTV Out.
Sr. No
Reference
Description
1
R1419
DAC termination resistor. Resistor value 15 OHMS.
2
D1400
BCM2727B IC
3
N2001
Analog switch
4
L2001
Ferrite bead on the CVBS signal
5
X2001
AV connector
The following test points on the PWB help in the effective debugging and troubleshooting.
Sr No
Signal name
Measuring point
Description
1
CVBS
X2001.1/J2002
SDTV signal
RM-626
BB Troubleshooting and Manual Tuning Guide
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COMPANY CONFIDENTIAL
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