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TROUBLESHOOTING GUIDE Appendix
3. NO SOUND
(e)
33V 5V
SIF OUT
Check
X601
the crystal
18.432MHz
#58 #63
#62
#27 #28
#57
Check Vsup +5V
#29 #10
#39
Check Vsup +8V
#30 SDA #9
#18
Check Vsup +5V
#10 #11 #12 SCL
X701
32.768KHz
ST-BY
5V Check clock/data signal
Check the crystal
(f)
Check Vcc of sound AMP
Sound B+ 14V #3#16 Check audio output signal
#1 Speaker L
#14 Speaker R
Audio input L
#6
I602
TDA8944J
Audio input R
#12
#4
H-phone L
MUTE
#10
#17
H-phone R
Check audio input signal
Check MSP output data signal of I601 #28, #29
U101
TUNER
SIF
T-DATA T-
CLOCK
NG : Go to the figure (e)
OK : Go to the figure (f)
I701
MICOM
I601
MSP