Sony MDX-CA680 service manual US model

Page 5

MDX-CA680/CA680X

2 A

 

 

AUDIO OUT FRONT

 

AUDIO OUT REAR

B

BUS AUDIO IN

 

BUS CONTROL IN

 

BUS AUDIO IN

 

TV tuner unit*

 

Syntoniseur de télévision*

 

BUS CONTROL IN

 

Source selector*

 

Sélecteur de source*

 

* not supplied

 

non fournis

(US model)

Cautions

•This unit is designed for negative ground 12 V DC operation only.

•Do not get the wires under a screw, or caught in moving parts (e.g. seat railing).

•Before making connections, disconnect the ground terminal of the car battery to avoid short circuits.

•Connect the yellow and red power input leads only after all other leads have been connected.

• Run all ground wires to a common ground point.

•Be sure to insulate any loose unconnected wires with electrical tape for safety.

•The use of optical instruments with this product will increase eye hazard.

Notes on the power supply cord (yellow)

•When connecting this unit in combination with other stereo components, the connected car circuit’s rating must be higher than the sum of each component’s fuse.

•When no car circuits are rated high enough, connect the unit directly to the battery.

Parts Iist (1)

The numbers in the list are keyed to those in the instructions.

Caution

Handle the bracket 1 carefully to avoid injuring your fingers.

Connection example (2)

Notes (2-A)

•Be sure to connect the ground cord before connecting the amplifier.

•If you connect an optional power amplifier and do not use the built-in amplifier, the beep sound will be deactivated.

Tip (2-B- )

For connecting two or more changers, the source selector XA-C30 (optional) is necessary.

Connection diagram (3)

1To a metal surface of the car

First connect the black ground lead, then connect the yellow and red power input leads.

2To the power antenna control lead or power supply lead of antenna booster amplifier Notes

•It is not necessary to connect this lead if there is no power antenna or antenna booster, or with a manually-operated telescopic antenna.

•When your car has a built-in FM/AM antenna in the rear/side glass, see “Notes on the control and power supply leads.”

3To AMP REMOTE IN of an optional power amplifier

This connection is only for amplifiers. Connecting any other system may damage the unit.

4To the interface cable of a car telephone

5To the +12 V power terminal which is energized in the accessory position of the ignition key switch

Notes

•If there is no accessory position, connect to the +12 V power (battery) terminal which is energised at all times.

Be sure to connect the black ground lead to it first.

•When your car has a built-in FM/AM antenna in the rear/side glass, see “Notes on the control and power supply leads.”

6To the +12 V power terminal which is energised at all times

Be sure to connect the black ground lead to it first.

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Contents MDX-CA680/CA680X SpecificationsDisassembly Table of Contents GeneralElectrical Adjustments Exploded ViewsSection General Location of controlsSetting the clock US model US model AEP, UK Models Precautions Toyota SUB Panel Assy Section DisassemblyDisassembly Flow Main Board Mechanism Deck MG-164MA-138Servo Board Heat SinkFloat Block MD Cover AssyLever LE23 Assy LO Motor Assy Loading M903Chucking ARM Assy Holder AssySL Motor Assy Sled M902, SP Motor Assy Spindle M901 Optical PICK-UP KMS-241CTuner Section Section Electrical AdjustmentsMD Section IC101 PCM1718E/2K Section DiagramsCXA2523AR IC305 BA6287F IC401 TDA7402TR IC505 BA8270F-E2 EFM/ACIRC ENCODER/DECODER Block Diagram Servo SectionFM/AM Tuner Unit Block Diagram Tuner Section23 a 23 B 24 F 24 E 24 H Block Diagram Main Section+B Switch Block Diagram BUS CONTROL/POWER Supply SectionSignal path Circuit Boards Location Semiconductor Location MDX-CA680/CA680X MDX-CA680/CA680X D558 D560 D601 D609 D610 D612 MDX-CA680/CA680X Schematic Diagram Main Board 2/3 See page 40 for Waveforms MDX-CA680/CA680X K1 S2 K2 Schematic Diagram SUB Board Printed Wiring Board KEY Board Schematic Diagram KEY Board See page 40 for Waveform KEY Board IC PIN Function Description XWE XrasMvci AsyoSfdr SrdrSprd SpfdVref XstbyVCC WbladjEject ResetDfctsel DpllselLinkoff ERROR-PWMUnireq UnickioNIL VSMKEYIN1 KEYIN0IIC CKO IIC SIOPW on ColswGeneral Section Section Exploded ViewsLCD901 Front Panel SectionMechanism Deck MG-164MA-138 156 158 157159 161KEY Section Electrical Parts ListSWITCH, KEY Board with LED List KEY Main SWITCH, Tactile with LED D-BASSMain Diode DTZ-TT11-16B Ref. No Description Remark R18 Short R21 216-825-11 Vibrator Main Sensor ServoInductor Chip Disc Slot Illumination CA680X Servo SUB503 501 502505 506 507Memo Revision History

MDX-CA680 specifications

The Sony MDX-CA680 is an advanced multi-disc car audio system that exemplifies Sony's commitment to delivering high-quality sound and innovative features. With its sleek design and user-friendly interface, it stands as a popular choice for audiophiles and casual listeners alike. This model supports both MD (MiniDisc) playback as well as traditional CD formats, providing exceptional versatility for music enthusiasts who prefer various media.

One of the standout features of the MDX-CA680 is its 40 watts maximum output per channel. This power allows for dynamic sound reproduction across a wide range of musical genres. By utilizing Sony's proprietary Dynamic Bass Enhancement technology, the system enriches low-frequency sounds, making them feel fuller and more immersive, perfect for bass-heavy tracks.

The MDX-CA680 is designed with user convenience in mind. Its rotary control knob and intuitive button layout facilitate easy navigation through tracks and settings, allowing drivers to focus on the road while effortlessly managing their audio experience. The system also boasts a detachable faceplate, a crucial security feature for preventing theft.

Another notable characteristic of the MDX-CA680 is its support for various audio formats. Besides MD and CD, the system can handle MP3s, enabling users to create and playback custom playlists with ease. The player’s compatibility with CD-R and CD-RW media also enhances its functionality, allowing users to enjoy burned discs filled with their favorite tunes.

The display on the MDX-CA680 is characterized by a clear and bright LCD screen that provides essential information at a glance. This includes track titles, elapsed time, and artist names, making it easy to follow along with your music. Additionally, the unit supports adjustable EQ settings, allowing users to personalize their audio experience to suit their preferences.

In terms of installation, the MDX-CA680 is designed to integrate seamlessly into various vehicle models, featuring a standard DIN size that fits most aftermarket dashboards. Overall, the Sony MDX-CA680 stands out in the realm of car audio systems, offering a blend of versatility, quality, and user-friendly features that enhance the driving experience, making every journey more enjoyable.
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