Figure 8 Expected Crystal clock input to BCM2727B on Oscilloscope
TV out troubleshooting
Introduction to HDTV and SDTV troubleshooting
HDTV
The phone has HDTV capability. The phone can be connected to an HDTV through a Type A to Type C HDMI
cable.
The following references on the PWB help in the effective debugging and troubleshooting of HDTV Out.
Sr. No
Reference
Description
1
X1650
HDMI connector
2
N1653
HDMI connector ASIP on HDMI bus
3
N1654
HDMI bus ASIP on control bus
4
Z1650 to Z1653
Common mode choke on HDMI bus
5
N1651
HDMI 5V regulator
6
D1400
BCM2727B IC
7
D1653
HPD signal buffer
8
V1657
HDMI +5V ESD protection
RM-626
BB Troubleshooting and Manual Tuning Guide
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COMPANY CONFIDENTIAL
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