Rautz MC-5100DU Service manual - page 12
Trouble Shooting Guide
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Yes
No
Spindle motor rotation
1. Check IC500 (M5673) of 123pin in case of
play:SPDO +1.8V°£
2. Check IC502(SA1469PH) of 1/2pin:SL- 3.5V/SL+ 3.6V.
3. Check IC502(SA1469PH) of 11/12pin:SP+ 4.1V /SP- 3.9V
Yes
No
Read in CD/MP3 disc
To CD function and
CD play key to USB
Reading and auto play
1. Check IC503 of 3pin VCC :+5V
2. Check Q501 collector:+3.3V
3. Check IC500(M5673) of 8/18/23/25/38/57/85/
113/116/122 pin VCC:+3.3V
4. Check IC502(SA1469PH) of 11/12pin:SP+ 4.1V /SP- 3.9V
5. Check IC500 (M5673) of 123 pin(SPDO) VCC: +1.8V
6. Check IC502(SA1469PH) of 1/2 pin:SL- 3.5V/SL+ 3.6V
7. Check CD Board(Around IC solder short,cold soldering )
8. Check CN501/CN504.
No
Insert USB and reading
1.Check Q500 of collector:+5V
2.Check IC500(M5673) of 52/53pin
3.Check CW507
5
Spindle motor rotation
6
Read in operation
Yes
No
Focusing operation
1. Check IC502(SA1469PH) of 17/18 pin:3.6V(17pin )
>> 3.8V, 3.4V(18pin) >> 3.75V >>> in case of play
2. Check IC500(M5673) of 126pin: +1.6V
4
Focusing operation
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MP3/CD Section 3