CD-DH790N
7 – 4
The time is displayed normally, but no sound is pro-
duced. Or the sound has dropouts.
(4) Others.
Is pin 33 and 36 on U10 (Figure 5), (Playback 1 kHz signal).
No
Check the audio out peripheral circuits.
Yes
If OK, Check the unit.
U10
U10
6
7
LINEOUTL
LINEOUTR
33
36
Figure 5
(5) USB system check_USB play.
Press USB function, insert the USB memory device into the
USB.
1. Does the device information can display?
No
Check around pin 52 and 53 on U10.
(Figure 6)
2. The waveform and the time is displayed normal, but no
sound is produced.
No
Check the audio out peripheral circuits.
Figure 6
U10
U10
DP
DM
52
53
10
9
Содержание CD-DH790N
Страница 11: ...CD DH790N 3 4 MEMO ...
Страница 20: ...CD DH790N 5 5 MEMO ...
Страница 23: ...CD DH790N 6 3 Figure 6 2 MAIN SCHEMATIC DIAGRAM 2 6 AIN PWB A1 C992 100P 47P 47P 47P 7 8 9 10 11 12 ...
Страница 26: ...CD DH790N 6 6 Figure 6 5 MAIN SCHEMATIC DIAGRAM 5 6 TO SERVO PWB C992 100P 47P 47P 47P 7 8 9 10 11 12 ...
Страница 27: ...CD DH790N 6 7 Figure 6 6 MAIN SCHEMATIC DIAGRAM 6 6 0 01u SPEA C988 0 1uF C989 0 1uF 0 01u 0 13 14 15 16 17 18 ...
Страница 31: ...CD DH790N 6 11 Figure 6 10 DISPLAY SCHEMATIC DIAGRAM 2 2 7 8 9 10 11 12 ...
Страница 33: ...CD DH790N 6 13 Figure 6 12 TAPE SCHEMATIC DIAGRAM 2 2 7 8 9 10 11 12 ...
Страница 40: ...CD DH790N 6 20 Figure 6 19 iPod SCHEMATIC DIAGRAM 1 2 iPod PWB C iPod SIGNAL A B C D E F G H 1 2 3 4 5 6 ...
Страница 41: ...CD DH790N 6 21 Figure 6 20 iPod SCHEMATIC DIAGRAM 2 2 7 8 9 10 11 12 ...
Страница 47: ...CD DH790N 6 27 Figure 6 26 WIRING SIDE OF MAIN PWB BOTTOM VIEW 2 2 7 8 9 10 11 12 ...