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For U.S.A., Canada, Europe &
Korea model
Ver. 2
SERVICE MANUAL
MODEL DN-C635
STEREO CD/MP3 PLAYER
Some illustrations using in this service manual are
slightly different from the actual set.
16-11, YUSHIMA 3-CHOME, BUNKYOU-KU, TOKYO 113-0034 JAPAN
Telephone: 03 (3837) 5321
X0169V.02 DE/CDM 0302
DN-C635 2
SAFETY PRECAUTIONS
The following check should be performed for the continued protection of the customer and service technician.
LEAKAGE CURRENT CHECK
Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis
resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the
power cord is less than 460 kohms, the unit is defective.
LASER RADIATION
Do not stare into beam or view directly with optical instruments, class 3A laser product.
500V
1M
(1)
(2)
(1)
(2)
2
DN-C635 3
DISASSEMBLY
(To reassemble, reverse disassembly)
1. TOP COVER
(1) Remove 4 screws on both sides, 1 screw on the rear side, and 1 screw on the top side.
(2) Detach the Top Cover as shown in the arrow direction.
Top cover
2. FRONT PANEL
(1) Remove 2 upper screws, 3 lower screws and 2 screws on the both side.
(2) Detach the Front Panel in the arrow direction.
Front Panel
3
DN-C635 4
3. MECHANISM UNIT
(1) Remove the Loder Panel.
(2) Remove 4 screws fixing the Mechanism Unit and detach the Mechanism Unit.
Mechanism Unit
Loader Panel
4
DN-C635 5
BLOCK DIAGRAM
16M DRAM
MUTE P. TRANS
DIGITAL
CD MECH. OUT