JVC KD-G646, KD-G645 manual Precautions on power supply and speaker connections

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KD-G646/KD-G645

Installation/Connection Manual 安裝/連接手冊

GET0502-010A

1007DTSMDTJEIN

EN, CT

[UT]

© 2007 Victor Company of Japan, Limited

 

ENGLISH

中文

This unit is designed to operate on 12 V DC, NEGATIVE ground electrical systems. If your vehicle does

本機僅可使用直流 12 V 、負極接地的電源系統。如果您的車輛沒有這一電源系統,則需要一個電

not have this system, a voltage inverter is required, which can be purchased at JVC car audio dealers.

壓變換器,可以在 JVC 汽車音響分銷商處買到。

WARNINGS

To prevent short circuits, we recommend that you disconnect the battery’s negative terminal and make all electrical connections before installing the unit.

Be sure to ground this unit to the car’s chassis again after installation.

Notes:

Replace the fuse with one of the specified rating. If the fuse blows frequently, consult your JVC car audio dealer.

It is recommended to connect speakers with a maximum power of more than 50 W (both at the rear and at the front, with an impedance of 4 Ω to 8 Ω). If the maximum power is less than 50 W, change “AMP GAIN” setting to prevent the speakers from being damaged (see page 13 of the INSTRUCTIONS).

To prevent short circuits, cover the terminals of the UNUSED leads with insulating tape.

The heat sink becomes very hot after use. Be careful not to touch it when removing this unit.

Heat sink / 散熱片

警告

為防止短路,建議在安裝本機之前,拔開電池的負極,並把所有電路都連接好。

安裝完畢後務必將本機的地線重新接至車身。

注意:

把保險絲更換為額定負荷值的保險絲。如果保險絲經常燒壞,請向 JVC 汽車音響分銷商詢問。

後置和前置揚聲器的最大輸入功率應大於 50 W,其阻抗為 4 Ω - 8 Ω。如果最大功率小於 50 W, 請調校AMP GAIN設定值,以防止揚聲器損壞。(參閱使用說明書的第 13 頁。)

為防止電源短路,請用絕緣帶包住未使用電線的端子。

本機使用後,散熱片會很熱。因此,在移出本機時,小心不要觸摸散熱片。

PRECAUTIONS on power supply and speaker connections:

電源和揚聲器接線注意事項:

DO NOT connect the speaker leads of the power cord to the car battery; otherwise, the unit

切勿把揚聲器導線接頭接至電池,否則本機將會嚴重損壞。

will be seriously damaged.

在把揚聲器導線接頭接至揚聲器之前,檢查您汽車上的揚聲器線路。

BEFORE connecting the speaker leads of the power cord to the speakers, check the speaker wiring in your car.

Parts list for installation and connection

用於安裝和連接的零組件清單

The following parts are provided for this unit. If any item is missing, consult your JVC car audio dealer

下列零組件隨本機提供。若有任何遺漏,立刻咨詢您的 JVC 汽車音響經銷商。

immediately.

 

A / B

C

D

Hard case/Control panel

Sleeve

Trim plate

硬盒/控制面板

外套機殼

裝飾框

E

F

G

H

Power cord

Washer (ø5)

Lock nut (M5)

Mounting bolt (M4 × 5 mm, M5 × 12.5 mm)

電路連接用的配線束

墊圈(ø5

鎖定螺母(M5

緊固螺栓(M4 × 5 mm, M5 × 12.5 mm

I

J

K

L

Rubber cushion

Handles

Remote controller

Battery

橡膠防震墊

板條型把手

遙控器

電池

1

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Contents Instructions Possible performance from the unit How to reset your unitHow to forcibly eject a disc Thank you for purchasing a JVC productContents Display window Control panel KD-G646/KD-G645Parts identification Standby/on/attenuator button Main elements and featuresInstalling the lithium coin battery CR2025 Getting started Basic settingsBasic operations ~ Turn on the power For FM/AM tuner ⁄ Adjust the volumeStart searching for a station When an FM stereo broadcast is hard to receiveRadio operations Storing stations in memoryPlaying from a USB device Manual presettingListening to a preset station Playing a disc in the unitTo go to the next or previous folder for MP3/WMA To fast-forward or reverse the trackIf a USB device has been attached While playing an audio CD or CD Text Other main functionsProhibiting disc ejection Changing the display informationSelecting the playback modes Sound adjustmentsAdjusting the sound Indication, Range Select a PSM item Adjust the PSM item selectedFinish the procedure Indications Selectable settings, reference Select FM/AM Show the title entry screen Adjust the volumeTitle assignment To erase the entire titleMoisture condensation MaintenanceTo keep discs clean How to handle discsMore about this unit Playing an MP3/WMA disc Title assignment General settings-PSMChanging the source Symptoms Remedies/Causes TroubleshootingNoise is generated Turn off the power then on againHave intended Recorded Album nameAM Tuner SpecificationsFM Tuner Having Trouble with operation? Parts list for installation and connection Precautions on power supply and speaker connectionsRemoving the unit When using the optional stay / 若選用支撐架Typical connections / 典型的接線方法 Electrical ConnectionsLeads of this unit unused 將L/O MODE設定

KD-G645, KD-G646 specifications

The JVC KD-G646 and KD-G645 are standout models in the realm of in-car audio systems, designed to enhance your listening experience on the road. Equipped with advanced features and user-friendly technologies, these head units bring entertainment and functionality to your vehicle.

One of the prominent features of both the KD-G646 and KD-G645 is their ability to play various audio formats. They support MP3, WMA, and WAV files, enabling users to enjoy their favorite music stored on CDs or USB drives. The inclusion of a USB port not only provides a direct connection for digital playback but also facilitates charging for compatible devices, ensuring your gadgets remain powered during long drives.

These models boast a robust 50 watts per channel output, ensuring high-quality sound reproduction that can fill any vehicle. With a built-in four-channel amplifier, the audio clarity is notably enhanced, bringing out the finer details in music. Additionally, both units offer customizable equalizer settings, allowing users to tweak sound profiles to match personal preferences or specific genres of music.

Another essential aspect of the JVC KD-G646 and KD-G645 is their compatibility with satellite radio and optional Bluetooth connectivity. When equipped with a Bluetooth adapter, users can stream music wirelessly from their smartphones and even take hands-free calls. This integration fosters a safer driving environment by minimizing distractions and keeping the driver focused on the road.

The user interface of these head units is intuitive, featuring a clear LCD display that shows track information, equalizer settings, and source selection. The easy-to-navigate controls ensure that adjustments can be made without diverting attention from driving. Moreover, the selectable button illumination adds a stylish touch that can be tailored to suit individual aesthetic preferences.

Durability is another characteristic that defines the JVC KD-G646 and KD-G645. Designed to withstand the rigors of daily use, these models are constructed with high-quality materials to ensure longevity. They also come with a detachable faceplate for added security, making it easier to protect the unit from theft when leaving the vehicle.

In summary, the JVC KD-G646 and KD-G645 are feature-rich car audio systems that prioritize sound quality, user convenience, and technological integration. With their compatibility with various audio formats, robust amplification, Bluetooth streaming options, and an intuitive interface, these head units are an excellent choice for anyone looking to elevate their in-car audio experience.