Samsung HT-TZ315, Service Manual

Page: 37 / 108

Samsung Electronics 4-19
Troubleshooting
4-1-4 No HDMI Video Output
Check the outputs of
the pin 33, 34, 35, 36, 37, 38, 39,
40, 89, 90, 91, 92 and HD_DATA and
pin 131 for HDMI_CLK
of MIC1.
Yes
Check the outputs of the
pin 26, 27, 29, 30, 32, 33, 35, 36
of IC31 ES7108S.
Check if VDD of
3.3V is measured at the pin 1, 14, 30,
46, 62, 77 of MIC1.
Check if the
VDD 3.3V of IC31 is measured
at the pin of 13, 28, 34, 48 and 71.
Check if the VDD 1.8V of IC31 is
measured at the pin of 16,
45, 59 and 74.
Replace the MIC1 IC.
Replace the IC31 IC.
Check if the pin 10, 11 of
MCON2 are 3.3V.
Check the PIC7 output
pin 2 for VDD1.8V and CEIC3
output pin 2 for 3.3V
No
No
Yes
No
No
No HDMI Video Output
Yes
Yes
Replace the jack.
Check the HDMI signal
Output.

Refer to wave pattern
image of Fig. 4-10.
Check the JK7 Output.

Refer to wave pattern
image of Fig. 4-11.

Refer to wave pattern
image of Fig. 4-12.