Samsung HT-TZ315, Service Manual

Page: 24 / 108

4-6 Samsung Electronics
Troubleshooting
C
Replace the SPK1 connectors.
Check the output.
Check if the outputs
of the pin 28, 31, 36 and 39 of
IC1CW, IC1L and IC1R of the TAS5352
of the AMP PCB are
measured.
Replace the TAS5352.
Check if the GVDD of pin 1 of
J3 is 12V.
Check if the PVDD of pin 7, 8,
9 of J3 are 34.5V.
No
Yes
Check if GVDD
of TAS5352 is measured at
the pin 1, 22, 23. Check if PVDD of
TAS5352 is measured at the
pin 26, 27, 32, 35, 40,
41.
Yes
No
Check if the outputs of the
SPK1 of AMP PCB are
measured.

Refer to wave pattern
image of Fig. 4-5.

Refer to wave pattern
image of Fig. 4-4-1
and Fig. 4-4-2.