Daewoo DTQ-29U1SC/SSP, DTQ-29U5SC/SSP service manual No Sound

TROUBLESHOOTING GUIDE Appendix

3. NO SOUND

Check MSP output data signal of I601 #28, #29	NG : Go to the figure (e)
	OK : Go to the figure (f)

(e)

33V 5V

U101

TUNER

SIF

T-DATA T-CLOCK

#27 #28

I701

MICOM

#29

#30

#10 #11 #12

X701 ST-BY

32.768KHz5V

Check the crystal

(f)

SIF OUT

	#58	#63
		#62
		I601
		MSP
		#57
	#10	#39
SDA	#9	#18
SCL

Check clock/data signal

Check

the crystal X601 18.432MHz

Check Vsup +5V

Check Vsup +8V

Check Vsup +5V

Check Vcc of sound AMP

Sound B+ 14V

Audio input L

Audio input R

MUTE

#3#16

#1

#14

#6I602 TDA8944J

#12

#4

#10

#17

Check audio output signal Speaker L Speaker R

H-phone L

H-phone R

Check audio input signal

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