Nippon DENON DCD-3000 User Manual

Dcp-S10/3000 mm
3. Judgement by changing of PU due to Tracking Error Signal Vre
(check for proper Traverse wave)
Actuate the service program.
(service mode)
1. Tracking error signal evel without undulation.
‘Traverse wavetorm
Pin Tuan AN ip
Load the adjustment disc
(CA-1094)
VV VY
Thin Thick Thin[amsec/div)
2. Tracking error signal level with undulation.
fo.5v/aWv)
poe A |
[2msec/div]
Press[PLAY]button, and 0c’
is indicated.
{focus search ON only)
Observe across test
terminal TE (TP102 Pin4)
and test terminal VC
(TP102 Pin3) with oscilloscope.
3. Occasionally no tracking error signal level.
[Defective PU}
A
GND i ve
Measure Tracking Error
Signal VTE.
Thin Thick Thin amsec/div]
is VTE more than
0.64V?
(Note 1)
Yes Is PU lens cleaned?
ts VTE continuously
shown?
Clean the PU lens.
is ‘A-B! x10 tess that
A+B 90%9
Trouble may exist in PU
abnormality due to VTE.
Execute PU replacement.
Perform checking of
item 4.
Note 1: When using the Test disc CO-76143 value are 0.70V.
19

Nippon DENON DCD-3000 Specifications

General

Brand	Nippon
Model	DENON DCD-3000
Category	CD Player
Language	English