Havepicture, no sound
Check if voltage o f R , L p i n
of XP202 is normal
Is N202 and N203signal
output?
Istransistor V208 and
V209 for mute usage
brokendown?
Normal
Replace transistor
Check 4558andsurrounding components
Check connectionbetween R, L pinofXP202
and PCM1723
Yes
Yes
Yes
No
No
No
F
Audio abnormal
11
Содержание DS-2000N
Страница 13: ...C Open close abnormal 8 ...
Страница 21: ...4 WAVEFORMS ON VIDEO CIRCUIT 16 ...
Страница 22: ...17 ...
Страница 23: ...18 ...
Страница 24: ...19 ...
Страница 25: ...20 ...
Страница 26: ...21 ...
Страница 35: ...7 CIRCUIT DIAGRAM 30 ...
Страница 39: ...8 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 34 ...
Страница 40: ...35 ...
Страница 41: ...36 ...
Страница 42: ...37 ...
Страница 43: ...38 ...
Страница 44: ...39 ...