12
ICF-CD73/CD73V
CD-JUMP TEST MODE
Procedure:
1. Connect the oscilloscope to TP (TE) and TP (VC) on the CD board.
Connecting Location: CD board (See page 16)
2. Connect 47 k
Ω
and 100 k
Ω
resistors in parallel to the end of S501 on the LCD board, and further connect 100 k
Ω
and 220 k
Ω
resistors
respectively and short them to the GND, and the CD-JUMP TEST MODE will be activated.
3. Insert a CD disc.
4. Turn the power on. Press the
[CD ]
button.
LCD display
5 . If the
[MODE]
button is pressed, you can jump in fast feed or fast reverse direction with the +
>
or –
.
button by the jump
amount set in Table 1.
Table 1
LCD
Button
+
>
–
.
REP ALL
TRACK + 1
TRACK - 1
SHUFFLE
TRACK + 10
TRACK - 10
SHUFFLE, REP
TRACK + 100
TRACK - 100
Waveform of TP (TE) and TP (VC) output in each mode is as follows.
6. Turn the power off to release the CD-JUMP TEST MODE.
CD
TRACK
NX
REP ALL mode
500
µ
s/div
SHUFFLE mode
1 ms/div
SHUFFLE REP mode
10 ms/div
