Roland JC-40 Jazz Chorus Guitar Ampزندگي گذاريندڙ

1. تعارف

The Roland JC-40 Jazz Chorus amplifier delivers the renowned "JC clean" tone and signature stereo chorus effect in a compact 40-watt combo amp. Designed for modern guitarists, it features dual 10-inch speakers and evolved functionalities. This amplifier provides a classic stereo clean sound, ideal for use with stompbox effects, and includes a true stereo input for enhanced performance with stereo effects pedals, guitar synthesizers, amp modeling gear, and multi-effects units. The onboard effects have been updated to meet contemporary player needs.

اهم خاصيتون شامل آهن:

• Unmistakable JC clean tone in a compact, gig-ready combo ampوierيڪ زنده
• Powerful stereo 40-watt output with dual 10-inch speakers for rich, full-range sound.
• True stereo input for wide sound with modelers and stereo effects pedals.
• Lush Dimensional Space Chorus for expansive stereo sound.
• Built-in vibrato, distortion, and reverb effects.
• Footswitch control for onboard effects and a stereo effects loop for external gear integration.

شڪل 1: سامهون view of the Roland JC-40 Jazz Chorus ampوierيڪ زنده

2. دٻي ۾ ڇا آهي

Upon unpacking your Roland JC-40 Jazz Chorus amplifier, please ensure all components are present:

• 1 x Roland JC-40 Jazz Chorus Ampزندگي گذاريندڙ
• 1 x پاور ڪور
• 1 x مالڪ جو دستور (هي دستاويز)

If any items are missing or damaged, please contact your retailer or Roland customer support.

Figure 2: Contents included with the Roland JC-40 Jazz Chorus ampوierيڪ زنده

3. سيٽ اپ

3.1 شروعاتي جڳهه

جاءِ ampلائيفائر کي هڪ مستحڪم، هموار مٿاڇري تي. يونٽ جي چوڌاري مناسب وينٽيليشن کي يقيني بڻايو وڃي ته جيئن وڌيڪ گرم ٿيڻ کان بچي سگهجي. رکڻ کان پاسو ڪريو amplifier in direct sunlight, near heat sources, or in excessively humid or dusty environments.

3.2 پاور ڪنيڪشن

1. کي يقيني بڻايو ampلائفائر جو پاور سوئچ آف پوزيشن ۾ آهي.
2. Connect the supplied power cord to the AC IN jack on the rear panel of the ampوierيڪ زنده
3. پاور ڪنڊ جي ٻئي ڇيڙي کي مناسب AC آئوٽليٽ ۾ لڳايو.

3.3 اوزار جو ڪنيڪشن

The JC-40 features stereo input capabilities. You can connect your guitar or other instrument to either the L/MONO or R input jacks on the front panel.

• For mono instruments (e.g., standard electric guitar), connect to the ايل / مونو ان پٽ جيڪ.
• For stereo instruments or when using stereo effects pedals before the amp, connect to both the ايل / مونو ۽ R input jacks using two standard 1/4-inch instrument cables.

Figure 3: Front panel controls and input jacks.

4. ڪنٽرول ۽ خاصيتون

4.1 فرنٽ پينل ڪنٽرول

The front panel provides access to all primary sound shaping and effect controls:

• INPUT (L/MONO, R): 1/4-inch input jacks for connecting your instrument.
• روشن سوئچ: Engages a high-frequency boost for a brighter tone.
• حجم: Adjusts the overall output level of the ampوierيڪ زنده
• تريبل، وچ، باس: Three-band equalizer for tone shaping.
• تڪرار: Controls the amount of built-in overdrive/distortion.
• ريورب: Adjusts the level of the onboard reverb effect.
• SPEED (CHORUS/VIBRATO): Controls the rate of the chorus or vibrato effect.
• DEPTH (CHORUS/VIBRATO): Controls the intensity of the chorus or vibrato effect.
• VIB/CHORUS Switch: Selects between Vibrato, OFF, Manual Chorus, or Fixed Chorus modes.
• پاور سوئچ: ڦري ٿو ampلائفائر آن / آف.

4.2 ريئر پينل ڪنيڪشن

The rear panel offers various connectivity options for integration with other equipment:

• اي سي ان: Power cord connection.
• فونز: Stereo headphone output for silent practice.
• LINE OUT (L/MONO, R): Stereo line outputs for connecting to a PA system, recording device, or another ampوierيڪ زنده
• EFFECT LOOP (SEND, RETURN L/MONO, RETURN R): Stereo effects loop for integrating external effects pedals. Includes a LEVEL switch (+4dBu/-20dBu) and a LOOP switch (SERIES/PARALLEL).
• FOOT SWITCH (CHORUS/VIBRATO, REVERB, DISTORTION): Jacks for connecting optional footswitches to control effects remotely.

Figure 4: Rear panel connections of the Roland JC-40.

5. آپريٽنگ هدايتون

5.1 بنيادي آپريشن

1. After connecting your instrument and power, turn the پاور کولڻ.
2. سان شروع ڪريو حجم knob set to a low level.
3. ترتيب ڏيو ٽربل, وچولي، ۽ پرش controls to achieve your desired clean tone.
4. تدريجي طور تي وڌايو حجم آرام سان ٻڌڻ جي سطح تائين.

5.2 Using Onboard Effects

• تحريف: ڦيرايو تڪرار knob clockwise to add overdrive to your sound.
• ريورب: ڦيرايو ريورب knob clockwise to add spatial ambiance.
• ڪورس/ وائبراٽو: استعمال ڪريو VIB / ڪورس switch to select the desired modulation type. Adjust رفتار ۽ ڊيپٿ knobs to fine-tune the effect.

5.3 Integrating External Effects

The stereo effects loop allows for seamless integration of your external pedals:

• ڳنڍيو موڪليو jack to the input of your external effect unit.
• Connect the output(s) of your external effect unit to the RETURN L/MONO ۽/يا RETURN R جيڪ.
• استعمال ڪريو سطح switch to match the output level of your external effect.
• جي لوپ switch allows you to select between SERIES (effect processes the entire signal) or PARALLEL (effect is blended with the dry signal) operation.

6. سار سنڀال

6.1 صفائي

باقاعدي طور تي صاف ڪريو amplifier's exterior with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth and then dry thoroughly. Avoid using abrasive cleaners, solvents, or waxes, as these can damage the finish.

6.2 اسٽوريج

جڏهن ڊگهي عرصي تائين استعمال ۾ نه هجي، ته ذخيرو ڪريو amplifier in a cool, dry place, away from extreme temperatures and humidity. If possible, cover the unit to protect it from dust.

6.3 ٽرانسپورٽ

When transporting the JC-40, ensure it is powered off and disconnected from all cables. Use the integrated handle for lifting. For longer distances, consider using a protective cover or case to prevent damage.

7. مسئلا حل ڪرڻ

If you encounter issues with your Roland JC-40, refer to the following common troubleshooting steps:

• ڪو آواز: Check all cable connections (instrument, power, speaker). Ensure the amplifier is powered ON and the VOLUME knob is not at zero. Test with a different instrument cable or guitar.
• گونجڻ/ گونجڻ جو آواز: Ensure all power cables are securely connected. Try plugging the amplifier into a different electrical outlet. Check for ground loops if multiple devices are connected.
• اثرات ڪم نه ڪري رهيا آهن: Verify that the effect knobs (DISTORTION, REVERB, SPEED, DEPTH) are turned up. If using the effect loop, ensure external pedals are powered and connected correctly, and the LOOP switch is set appropriately.
• ڪمزور يا خراب آواز: Check the instrument's output level. Ensure the BRIGHT switch is not causing unwanted harshness. Adjust EQ settings. If using external pedals, bypass them to determine if they are the source of the issue.

If the problem persists after trying these steps, please contact Roland customer support for further assistance.

8. وضاحتون

Figure 5: Roland JC-40 ampلائفائر طول و عرض.

9. وارنٽي ۽ سپورٽ

وارنٽي جي معلومات لاءِ، مھرباني ڪري پنھنجي پراڊڪٽ سان شامل وارنٽي ڪارڊ جو حوالو ڏيو يا سرڪاري رولينڊ جو دورو ڪريو webسائيٽ. وارنٽي دعوائن لاءِ خريداري جو ثبوت رکو.

For technical support, product registration, or service inquiries, please visit the Roland support page or contact your local Roland service center. Contact information can typically be found on the Roland webسائيٽ يا توهان جي پراڊڪٽ دستاويزن ۾.