Samsung HT-Z410, Руководство по обслуживанию

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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
AUX2: pin 7, 8, XM: pin 9, 10,
TUNER: pin 11, 12,
AUX1: pin 21, 22,
IPOD: pin 26, 27
Yes
AIC1 CS5345
pin 41: SDOUT
pin 42: SCLK
pin 43: LRCLK
pin 44: MCLK
Check if the
D5V of 5V 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 4 and 5 of
CON3 are 3.3V.
Check if the pin 3 of CON3 is
5V.
No
No
No
No Sound
Yes
Yes
B
Check the outputs
of the pin 4, 7, 9 of
IC14 74LCX157.
Check the
VD33 is measured at the pin 1
of IC14.
Replace the IC14.
Check if the pin4 and 5 of
CON3 are 3.3V.
No No
Yes
Yes
Check ADC Input
Check ADC Output
Check MPEG input