Samsung HT-TZ315, Service Manual

Page: 22 / 108

4-4 Samsung Electronics
Troubleshooting
4-1-2 No Sound (waveform when 1KHz, -20dB signal is input)

Refer to wave pattern
image of Fig. 4-1.

Refer to wave pattern
image of Fig. 4-2.
AIC1 CS5345
AUX1: pin 23, 24
AUX2: pin 7, 8
TUNER: pin 11, 12
IPOD: pin 26, 27
Yes
AIC1 CS5345
pin 41: SDOUT
pin 42: SCLK
pin 43: LRCLK
pin 44: MCLK
Check if the D5V
of AIC1 is measured at the
pin of 5, 14, 30. Check if the 3.3V
of VDD is measured at the
pin of 36, 46.
Replace the AIC1 IC.
Check the audio input of each
component including connector
connectivity.
Check if the pin 10 and 11 of
CON3 of SMPS is 3.3V.
Check if the pin 12, 13 of
CON3 is 5V.
No
No No
No Sound
Yes
Yes
B
Check the outputs
of the pin 4, 7, 9 of BPIC1 74LCX157
to check IPOD, BT
Check the
VD33 is measured at the pin 1, 16
of BPIC1.
Replace the BPIC1.
Check if the pin 10 and 11 of
CON3 are 3.3V.
No No
Yes Yes
Check ADC Input
Check ADC Output
Check MPEG input

Refer to wave pattern
image of Fig. 4-1.