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Onkyo CR-305TX - Service Manual

Onkyo CR-305TX
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CR-305TX
SERVICE MANUAL
CD RECEIVER
Silver model
MODEL CR-305TX
120V AC, 60Hz
220-230V AC, 50Hz
230-240V AC, 50Hz
UDD,UDT
UGT,UGR,
UPP
Ref. No. 3723
062002
RC-421S
DISPLAY
TUNING/PRESET
STANDBY/ON
MEMORY FM MODE
CLEAR
PHONES
A
C
O
U
S
T
I
C
P
R
E
S
E
N
C
E
INPUT
A
C
O
U
S
T
I
C
P
R
E
S
E
N
C
E
V
O
L
U
M
E
M
A
X
M
I
N
V
O
L
U
M
E
U
P
V
O
L
U
M
E
D
O
W
N
REMOTE CONTROLLER
STANDBY/ON
INPUT
TIMER ENTER
RANDOM
MEMORY REPEAT
CD
PLAY MODE
SLEEP
A.PRESENCE
CLOCK
CALL
MUTING
REPEAT
MD
VOLUME
PLAY MODE
REPEAT
TUNER
PRESET
CDR
TAPE
SCROLL
RC-421S
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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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Other manuals for Onkyo CR-305TX

Questions and Answers

Summary

Safety-Related Component Warning

Laser Safety Procedures

Service Warning

Critical warning regarding laser beam safety during servicing procedures.

Laser Warning Labels

Details about warning labels affixed to the unit for laser safety.

Service Procedures

Replacing the Fuses

Instructions for safely replacing fuses in the unit.

Initializing the Unit

Procedure to reset the unit to factory settings and clear memory.

Safety Check Out

Essential safety checks to perform after service, especially for US models.

Memory Preservation

Information on the unit's built-in memory backup system.

Changing the AM Band Step

Guide on how to modify the AM tuning step frequency.

Packing View

Parts List

List of parts included in the product packaging.

Printed Circuit Board Parts List - 1

U1: Audio PC Board (NAAF-6874)

Components list for the audio PC board.

U2: Power Supply PC Board (NAPS-6878)

Components list for the power supply PC board.

Printed Circuit Board Parts List - 2

U3: Front PC Board (NADIS-6879)

Components list for the front PC board.

U4: Amplifier PC Board (NAAF-6880)

Components list for the amplifier PC board.

U5: Speaker PC Board (NAETC-6881)

Components list for the speaker PC board.

U6: Digital Output PC Board (NAETC-6882)

Components list for the digital output PC board.

Printed Circuit Board Parts List - 3

U8: CD PC Board (NAAR-6875)

Components list for the CD PC board.

U9: Connector PC Board (NAETC-6883)

Components list for the connector PC board.

PC Board Connection Diagram

Schematic Diagrams - 1 (Amplifier & Power Supply)

Block Diagram

Exploded Views of Mechanism - 1

Parts List

List of mechanical parts for the CD mechanism.

Exploded Views of Mechanism - 2

Parts List

List of parts for the CD drive unit.

Exploded View Parts List - 1

Exploded View Parts List - 2

Exploded View

Panel View (Rear Panel)

U.S. and Canadian Models

Connection details specific to US and Canadian models.

Asian and European Models

Connection details for Asian and European models.

Optical Digital Audio Connector Cap

Instructions regarding the protective cap for the optical connector.

Schematic Diagrams - 1 (Amplifier & Power Supply)

Schematic Diagrams - 2 (CD & Microprocessor)

Summary

Safety-Related Component Warning

Laser Safety Procedures

Service Warning

Critical warning regarding laser beam safety during servicing procedures.

Laser Warning Labels

Details about warning labels affixed to the unit for laser safety.

Service Procedures

Replacing the Fuses

Instructions for safely replacing fuses in the unit.

Initializing the Unit

Procedure to reset the unit to factory settings and clear memory.

Safety Check Out

Essential safety checks to perform after service, especially for US models.

Memory Preservation

Information on the unit's built-in memory backup system.

Changing the AM Band Step

Guide on how to modify the AM tuning step frequency.

Packing View

Parts List

List of parts included in the product packaging.

Printed Circuit Board Parts List - 1

U1: Audio PC Board (NAAF-6874)

Components list for the audio PC board.

U2: Power Supply PC Board (NAPS-6878)

Components list for the power supply PC board.

Printed Circuit Board Parts List - 2

U3: Front PC Board (NADIS-6879)

Components list for the front PC board.

U4: Amplifier PC Board (NAAF-6880)

Components list for the amplifier PC board.

U5: Speaker PC Board (NAETC-6881)

Components list for the speaker PC board.

U6: Digital Output PC Board (NAETC-6882)

Components list for the digital output PC board.

Printed Circuit Board Parts List - 3

U8: CD PC Board (NAAR-6875)

Components list for the CD PC board.

U9: Connector PC Board (NAETC-6883)

Components list for the connector PC board.

PC Board Connection Diagram

Schematic Diagrams - 1 (Amplifier & Power Supply)

Block Diagram

Exploded Views of Mechanism - 1

Parts List

List of mechanical parts for the CD mechanism.

Exploded Views of Mechanism - 2

Parts List

List of parts for the CD drive unit.

Exploded View Parts List - 1

Exploded View Parts List - 2

Exploded View

Panel View (Rear Panel)

U.S. and Canadian Models

Connection details specific to US and Canadian models.

Asian and European Models

Connection details for Asian and European models.

Optical Digital Audio Connector Cap

Instructions regarding the protective cap for the optical connector.

Schematic Diagrams - 1 (Amplifier & Power Supply)

Schematic Diagrams - 2 (CD & Microprocessor)

Onkyo CR-305TX Specifications

General IconGeneral
CategoryCar Receiver
BrandOnkyo
ModelCR-305TX
TypeCD Receiver
Channels2
FM TunerYes
AM TunerYes
Remote ControlYes
DIN Size1-DIN

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