DP-4090/5090/D-S300
8
DIRCUIT DESCRIPTION
2. Test mode
2-1 Setting the test mode
÷
The microprocessor built in the unit can be put to TEST
MODE by just pressing the UP key when set to power on.
2-2 Key vs Function in test mode
keys
Display
Description
Remarks
UP
¢
(Keep to press up
key and AC ON)
TEST
Tray opens automatically.
Setting the test mode
PLAY/PAUSE
6
8
30 – – : – –
(1) Focus servo – – – – ON
(2) Tracking servo – – OFF
(3) Feed servo – – – – OFF
TE-balance adjustment
‰
05 00 : 00
(1) Focus servo – – – – ON
(2) Tracking servo – – – ON
(3) Feed servo – – – – – ON
Focus gain / Tracking
gain and FE- balance
adjustment
UP
¢
î
FL all light up
î
dot demonstration mode
ì
ììì
normal test mode indication
íìììì
* FF
1
FEED OUT
Move the pick - up to the direction of the outer circumfer-
ence.
* FB
¡
FEED IN
Move the pick - up to the direction of the inner circumfer-
ence.
* STOP
7
TEST 00
Disc will be stopped.
*
8 BIT SYNC
16 BIT SYNC
8 bit sync and 16 bit sync will be displayed by changing
the SL16/XS8 switch on the rear panel.
* PEAK SEARCH
Change the output level cyclically.
ì
Max
î
-10dB
î
Min
ììììììíììììì
DOWN
4
‰
01
Cancellation of the test mode and 01 play.
* DP 4090/DP-5090 only
The following keys are not operate in the test mode.
• TEXT DISPLAY KEY (DP-4090/DP-5090)
• REPEAT / RANDOM KEY (D-S300)
Pin No.
Name
I/O
Description
Active
64, 65
NC
O
No used
66
GFS
I
Frame signal input from CXD2507AQ
67
NC
O
No used
68
VDD
–
Power supply (+5V)
69
X2
–
system clock input
70
X1
I
system clock input
71
IC
–
GND
72
XT2
–
No used
73
FOK
I
F.OK signal input
74
AVDD
–
Vdd
75
AVREF0
I
Vdd
76
50 / 40
I
Model discrimination
5V : D-S300 / 2. 5V : DP-5090 /
0V : DP-4090
77, 78
A / D0 ,A/D1
I
A/D key input
79
PEAK
I
A/D peak search input
80
RMUTE
O
Analog mute control
