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For U.S.A., Canada, Europe, U.K.,
Asia, China, Taiwan R.O.C., Korea
& Japan model
Ver. 1
SERVICE MANUAL
MODEL DN-S3500
TABLE TOP SINGLE CD PLAYER
For purposes of improvement, specifications and
design are subject to change without notice.
Please use this service manual with referring to the
operating instructions without fail.
Some illustrations using in this service manual are
slightly different from the actual set.
TOKYO, JAPAN
Denon Brand Company, D&M Holdings Inc.
X0252V.01 DE/CDM 0508
DN-S3500
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-S3500
DISASSEMBLY
(Follow the procedure below in reverse order when reassembling.)
Note: First of all, remove the Platter. Refer to the Instruction Manuals.
1. Bottom Plate
(1) Remove 4 screws 70 and pull out Bottom Plate.
70
Bottom Plate
70
2. Top Cover unit
(1) Remove 4 screws 71.
(2) Detach FFC ESC.
(3) Remove 2 Push Rivets 31.
(4) Disconnect Connector to remove Eject LED unit.
(5) Remove 6 screws 71.
(6) Disconnect FFC Cable and Connector.
(7) Detach Top Cover unit.
71
Front ESC
71
Connector
CW121
71 71
Connector
CX032
31
71 FFC Cable
CX251
Eject LED unit
Note:
Do not pull out aslant to prevent FFC cable damage.
Do not fail to pull AC cord from wall outlet before disconnect FFC Cable.
If AC cord is remained plugged into wall outlet, power is kept supplied in the unit, which may cause danger.
3
DN-S3500
3. Motor unit
(1) Remove 4 screws 74.
(2) Detach Motor unit (FG3500).
Motor unit
74 (FG3500)
74
4. Mecha unit
(1) Remove 2 screws 63 and 2 screws 64.
(2) Disconnect FFC cable and Connector.
(3) Detach Mecha Unit.
Connector
CX061
64
63
63
FFC Cable
CX361
Mecha unit
Note:
Do not pull out aslant to prevent FFC cable damage.
Do not fail to pull AC cord from wall outlet before disconnect FFC cable.
If AC cord is remained plugged into wall outlet, power is kept supplied in the unit, which may cause danger.
4
DN-S3500
5. Power P.W.B.
(1) Remove 6 screws 69, a screws 72 and a screws 73.
(2) Detach Power P.W.B.
Power P.W.B.
69
73
72
69 69
69
6. Main P.W.B.
(1) Short-circuit the short land above.
(2) Remove a screws 65 and a screws 66.
(3) Disconnect FFC Cable and FPC Cable.
(4) Detach Main P.W.B.
65
Main P.W.B. FPC Cable
66
Short land for laser diode
FFC Cable
Note:
Do not pull out aslant to prevent FFC cable damage.
5
DN-S3500
7. Shield Plate (E3 Model only)
(1) Remove 4 screws 60.
(2) Detach Shield Plate.
Shield Plate
60
60
8. CD Mecha
(1) Remove 2 screws 63 and pull out Main Pwb Bracket.
(2) Remove 2 screws 64 and pull out Disc Guide.
Main Pwb Bracket
63
63
CD Mecha
Disc Guide
64
64
6
DN-S3500
BLOCK DIAGRAM
7
DN-S3500
CONFIRMING THE SERVO
What is Service Program
Service program is a special program intended for confirming servo functions etc.
Required Measuring Implement
Reference disc (TCD784 or CO-74176)
1. Contents of Service Program
Turn on the power while pressing both B button and the PARAMETER knob to set the service mode of DN-S3500. The various
check items can be selected with the PARAMETER knob, the various test items can be selected with the A, SAMP, EXIT/RELOOP,
(SAMP.)EXIT/RELOOP, and BEND buttons. Press either the PARAMETER knob or PLAY/PAUSE button to start the check
or test and display the result.
To eject the disc, press the DISC EJECT button.
To cancel the service mode, turn the power off.
Process No. Function
(TRACK Contents
(Character-display)
Indication)
A PARAMETER knob is pushed and a version is checked.