Rautz MC-5100DU Service manual - page 8
Manual is about: Micro Component System
with MP3 Playback
of
27
Trouble Shooting Guide
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AC cord in
Yes
No
Yes
No
Power ON/OFF ON
1.Check SW801
2.Check J901(AC ADAPTER)
3.Check IC504
4.Check CW901
LCD Display and
backlight with Tuner
function
1.Check IC102(SA1117BH-3.3V)
2.Check IC101(KT0911) of 7pin(VCC voltage)
3.Check IC101(KT0911) of 2pin output signal.
4.Check IC701(SC3610D) of 33pin and 35pin input signal.
5.Check IC701(SC3610D) of 36pin(VCC voltage)
6. Check LD702
7.Check LCD701
Yes
No
AM/FM Speaker sound
1.Check AM/FM ANT.
2.Check IC101(KT0911) of 4pin and 5pin output signal.
3.Check IC103.
4.Check CN901
Change to tuner function
OK
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