XL-DK225
7 – 3
Check the TE waveform at pin 16 on IC1.
(2) Focus-RF system check.
If the waveform shown in Figure 4 appears and soon after NO
DISC appears?
Yes
The tracking servo is not activated.
Check the peripheral circuits at pins 15, 16 and 23 on IC1,
and FFC1.
No
"Initialization" is possible, but play is not possible?
Yes
A normal jump operation cannot be completed or the
beginning of the track cannot be found.
Check the around pin 23 on IC1.
No
"Initialization" is not possible.
Data cannot be read. Check the VCO-PLL (Pin26~30 on IC1)
system.
Figure 4
IC1
IC1
TE
16
RFOUT
2
3
4
(3) Spin system check.
Press the OPEN/CLOSE switch without inserting a disc, and
then try starting the play operation.
1. The turntable rotates a little?
(Waveform drawing Figure 5)
Yes
The spin driver circuit is OK.
No
2. The turntable doesn't rotate.
Check around pin 25 on IC1, pins 1 and 2 on CNP2.
Figure 5
IC1
IC1
22
25
5
1
FDO
SPDO
Содержание CP-DK225
Страница 13: ...XL DK255 3 4 MEMO ...
Страница 14: ...XL DK225 4 1 CHAPTER 4 DIAGRAMS 1 Main Block Diagram Figure 4 1 MAIN BLOCK DIAGRAM 1 2 ...
Страница 15: ...XL DK225 4 2 Figure 4 2 MAIN BLOCK DIAGRAM 2 2 ...
Страница 16: ...XL DK225 4 3 2 CD Block Diagram Figure 4 3 CD BLOCK DIAGRAM 1 2 ...
Страница 17: ...XL DK225 4 4 Figure 4 4 CD BLOCK DIAGRAM 2 2 ...
Страница 22: ...XL DK225 5 5 MEMO ...
Страница 25: ...XL DK225 6 3 Figure 6 2 MAIN SCHEMATIC DIAGRAM 2 2 7 8 9 10 11 12 ...
Страница 26: ...XL DK225 6 4 TO MAIN SECTION TO DISPLAY A B C D E F G H 1 2 3 4 5 6 Figure 6 3 POWER SCHEMATIC DIAGRAM 1 2 ...
Страница 27: ...XL DK225 6 5 SPEAKER JACK PWB AC SUPPLY 120V 60Hz 7 8 9 10 11 12 Figure 6 4 POWER SCHEMATIC DIAGRAM 2 2 ...
Страница 30: ...XL DK225 6 8 Figure 6 7 CD MP3 SCHEMATIC DIAGRAM 1 2 A B C D E F G H 1 2 3 4 5 6 ...
Страница 31: ...XL DK225 6 9 Figure 6 8 CD MP3 SCHEMATIC DIAGRAM 2 2 7 8 9 10 11 12 ...
Страница 33: ...XL DK225 6 11 Figure 6 10 iPOD SCHEMATIC DIAGRAM 2 2 TO TRANSIT iPOD 7 8 9 10 11 12 ...
Страница 39: ...XL DK225 6 17 Figure 6 16 WIRING SIDE OF MAIN PWB BOTTOM VIEW 2 2 ...
Страница 41: ...XL DK225 6 19 MEMO ...
Страница 53: ...XL DK225 6 31 Figure 6 29 WIRING SIDE OF CD MP3 PWB BOTTOM VIEW 2 2 ...
Страница 68: ...XL DK225 10 MEMO ...
Страница 71: ...XL DK225 13 11 SPEAKER BOX PARTS A B C D E F G H 1 2 3 4 5 6 ...
Страница 74: ...XL DK225 ...
