Samsung HT-TZ315 Service Manual page 23

B
Check the
signal output is measured
at the pin 16, 17, 18, 19 and 20 of
connector MCON12 of MAIN
PCB and J7 of
AMP PCB.
Yes
Check if the
outputs of the pin 48, 49,
51, 52, 54, 55, 58, 59, 61, 62, 67, 68,
70, 71, 74, 75 of MIC1 PS9829B
of the AMP PCB are
measured.
Yes
C
Samsung Electronics
Check MPEG output
and connector
connectivity.
No
 Refer to wave pattern
image of Fig. 4-3.
Check the PWM
output.
No
VDD 3.3V of MIC1 is measured at
 Refer to wave pattern
image of Fig. 4-4-1
and Fig. 4-4-2.
Replace CON1, J7 or FFC
cable.
Check if the
the pin of 4, 10, 22, 29.
Yes
Replace the MIC1.
Troubleshooting
No
Check if the pin 22 of J7 is
3.3V.
4-5