Samsung HT-Z210, Service Manual

Page: 34 / 90

4-16 Samsung Electronics
Troubleshooting
Check if
YDAC, CADC, and UDAC
outputs are measured at the pin 103,
104, and 105 of MIC1
ES8391.
Yes
Check if
output is measured at the pin
21, 23, and 25 of VIC1
LA73054.
Check if VDD of
3.3V is measured at the pin 1, 14, 30,
46, 62, 77 of MIC1.
Check if VDD
of 5V is measured at the pin 1
of VIC1.
Replace the MIC1 IC.
Replace the VIC1.
Check if the pin 10, 11 of
MCON2 are 3.3V.
Check if the pin 12, 13 of
MCON2 is 5V.
No
Yes
No
No
COMPONENT (Y, Pb, Pr)
Yes
Yes
No

COMPONENT (Y, Pb, Pr)
Check MPEG Output.
Check Video Switch.
Check JACK Output.
Check the VJ4 connectivity
and replace it if necessary.
Check if composite video
output is measured at the VJ4.

Refer to wave pattern
image of Fig. 4-8.

Refer to wave pattern
image of Fig. 4-9.