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DX-C34
SERVICE MANUAL
SERVICE MANUAL
COMPACT DISC CHANGER
Black model
MODEL
DX-C34
120V AC, 60Hz
BCDD
Ref. No. 3850
122004
RC-547C
RC-547C
NEXT SELECTION
DISC
1
DISC
2
DISC
3
DISC
DISC
4
DISC
5
DISC
6
REPEAT
RANDOM
MEMORY
SEARCH
>10
10/0
CLEAR
OPEN/CLOSE
ON
STANDBY
123
456
789
FOLDER
FOLDER
6
5
1
4
3
COMPACT DISC CHANGER
DX-C34
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.


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DX-C34
SPECIFICATIONS
Specifications
DX-C34 (Compact Disc Changer)
Signal readout system ......................Optical non-contact
Frequency response ................................... 5 Hz-20 kHz
SN ratio ................................................................. 98 dB
Audio Dynamic range ........................................... 96 dB
THD (Total harmonic distortion) ...... 0.005% (at 1 kHz)
Audio output (Digital/Optical) ...................... -22.5 dBm
Audio output/Impedance (Digital/Coaxial)
........................................................ 0.5 V (p-p) / 75 ohm
Audio output/Impedance (Analog)
..................................................... 2.0 V (rms) / 470 ohm
Power supply rating..............................AC 120 V 60 Hz
Power consumption ................................................ 10 W
Standby power consumption .................................... 4 W
Dimensions (W x H x D) ................19" x 5-3/16" x 17"
................................................. (483 x 131 x 432 mm)
Weight ................................................. 16.5 lbs. (7.5 kg)
Operating conditions Temperature/Humidity
..................................... 41-95 F (5-35 C) / 25-80%
Disc compatibility ...........................CD, CD-R, CD-RW
RC-547C (Remote Controller)
Transmitter .........................................................Infrared
Signal range.............................. Approx. 16 ft., 5 meters
Power supply ............Two (AA/R6) batteries (1.5 V x 2)
Specifications and features are subject to change without notice.


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DX-C34
SERVICE PROCEDURES
PROTECTION OF EYES FROM LASER BEAM DURING SERVICING
This set employs a laser. Therefore, be sure to follow
carefully the instructions below when servicing.
WARNING!!
SERVICE WARNING : DO NOT APPROACH THE
LASER EXIT WITH THE EYE TOO CLOSELY.
IN CASE IT IS NECESSARY TO CONFIRM LASER
BEAM EMISSION, BE SURE TO OBSERVE FROM
A DISTANCE OF MORE THAN 30cm FROM THE
SURFACE OF THE OBJECTIVE LENS ON THE
OPTICAL PICKUP BLOCK.
Laser Diode Properties
Material: GaAS/GaAlAs
Wavelength: 780nm
Laser output: max. 0.5mW*
Emission Duration: continuous
*This output is the value measured at a distance about 1.8mm
from the objective lens surface on the Optical Pickup Block.
LASER WARNING LABEL
The labels shown below are affixed.
DANGER:
INVISIBLE LASER RADIATION WHEN OPEN AND
INTERLOCK FAILED OR DEFEATED. AVOID DIRECT
EXPOSURE TO BEAM.
CAUTION:
HAZARDOUS LASER AND ELECTROMAGNETIC
RADIATION WHEN OPEN AND INTERLOCK DEFEATED.
ATTENTION:
RAYONNEMENT LASER ET ELECTROMAGNETIQUE
DANGEREUX SI OUVERT AVEC L'ECLENCHEMENT
DE SECURITE ANNULE.
Safety check out
After correcting the original service problem perform
the following safety check before releasing the set
to the customer.
Connect the insulating-resistance tester between the
plug of power supply cord and terminal GND on the
back panel.
Specifications: More than 10 M ohm at 500V.
(Only U.S.A. model)
Warning label
Initializing the unit
Press "STOP" key and "STANDBY" key at same time.
Displayed "INITIALIZE" on the FL display.


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DX-C34
EXPLODED VIEW
3
2
5
6
4
1
A041
A041
A042
A042
A042
A042
Cloth tape
A205
Cloth tape
25mm
(Bracket + Shaft)
M001
M002
M004
M006
M007
M008
M009
M010
M011
M011
M012
M013
M014
M014
M014
M014
M016
(WHT)
M016
M017
(BLK)
M017
M018
M018
M018
M021
M019
M020
M023
M024
M030
M031
M034
M035
M036
M037
M038
M038
M038
M039
M040
A057
M050
M051
M052
M054
A001
A003
A007
A005
A016
A018
A019
A020
A060
A101
A201
A208
A221
A103
A301
E101
P701
P702
P101
A012
A012
U10
A012
A012
A012
A012
A012
U12-0
U12-1
U12-2
U12-3
U12-4
U12-5
U12-6
U12-7
U12-8
A012
U12-10
A012
A012
M011
M037
M037
M054
A010
U12-9
A105
A235a
A235b
A235c
A005
A037
A037
A051
A054
P102
A
P103
B
B
A
P201
C
C
P904
D
D
T901
A103
A103
A103
A103
A012
A012
A012
A012
A012
A012
A012
A012
A055
A235a
A235a
A235a
A012
Cloth tape
80mm
DX-C34
A004
A029 x 2
A037
A037
A037
A037
A037
A037
A037
A037
A037
Cloth tape
30mm
M032


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DX-C34
EXPLODED VIEW
3
2
5
6
4
1
A041
A041
A042
A042
A042
A042
Cloth tape
A205
Cloth tape
25mm
(Bracket + Shaft)
M001
M002
M004
M006
M007
M008
M009
M010
M011
M011
M012
M013
M014
M014
M014
M014
M016
(WHT)
M016
M017
(BLK)
M017
M018
M018
M018
M021
M019
M020
M023
M024
M030
M031
M034
M035
M036
M037
M038
M038
M038
M039
M040
A057
M050
M051
M052
M054
A001
A003
A007
A005
A016
A018
A019
A020
A060
A101
A201
A208
A221
A103
A301
E101
P701
P702
P101
A012
A012
U10
A012
A012
A012
A012
A012
U12-0
U12-1
U12-2
U12-3
U12-4
U12-5
U12-6
U12-7
U12-8
A012
U12-10
A012
A012
M011
M037
M037
M054
A010
U12-9
A105
A235a
A235b
A235c
A005
A037
A037
A051
A054
P102
A
P103
B
B
A
P201
C
C
P904
D
D
T901
A103
A103
A103
A103
A012
A012
A012
A012
A012
A012
A012
A012
A055
A235a
A235a
A235a
A012
Cloth tape
80mm
DX-C34
A004
A029 x 2
A037
A037
A037
A037
A037
A037
A037
A037
A037
Cloth tape
30mm
M032