JOYO JP-04 Isolated Power Supply for Guitar Effect Pedal User Manual

JOYO JP-04 Isolated Power Supply for Guitar Effect Pedal

Thank you for purchasing this product! To use this product more safely and get fully joy of its features, please read this owner’s manual carefully and retain it for future reference. Thanks for purchasing the Joyo product. Have you ever found strange noises jumping out of nowhere when using several pedals together? The biggest reason that produces such annoying sound is that pedals are connected in a parallel mode. With such parallel connection, each pedal forms a ground loop, which brings the noises from another magnetic field into the signal path and all the other pedals are interfered and become unstable.

To solve this problem, all need to do is to get rid of the ground loop and make sure each pedal work in an isolated route and most importantly choose a power supply with isolated output free from ground loop troubles. Well, here is this power supply right made for you! Treprod is an isolated grows pily, evail able for taped stated, a bre quality ores Corner rhe ed, his nippers and regulated, This ensures reliable operation, free of hum and noise. It will provide you a clean and transparent sound.

Main features

1. 8 Isolated Outputs.
2. Isolated Short Circuit/Over Current Protection.
3. Power for DC9V/12V/18V pedals.
4. Power Switch.
5. Voltage Switch for DC12V and 18V.
6. AC Output port to connect several power supply units.
7. Includes DC Cables and Reversed Polarity Cables.

IMPORTANT SAFETY PRECAUTIONS
INSTRUCTIONS ABOUT A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS. The lightning flash with the arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated
“dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.

SAFETY INSTRUCTIONS

1. Only use the device within the stipulated power supply or current range.

2. Only use the attachments/accessories specified by the manufacturer.

3. Do not expose the product to rain, water or moist environments, and keep away from the liquids in case of any opening being spilled.

4. To avoid deformation or damage to internal units, do not expose this product to excessive dust or vibrations, or extremely cold or heat (such as direct sunlight, near a heater or a car under the hot sun).

5. Please avoid any foreign objects (paper, plastic or metal, etc.) plugged or fall into any gaps or openings on this product.

6. To avoid damage to the product, please do not use excessive force during usage or operation.

7. Please use dry cloth to clean, do not use liquid cleaners such as benzene, thinner, detergent, flammable polish, etc.

8. Do not dump this product with household waste together. Proper treatment can reduce pollution and health hazards. Please contact your local dealer for correct approaches.

9. This product is produced according to strict product specifications and is supposed to be used in specific areas. If you purchase it through the network, mail order or telephone sales, please verify your area is authorized to use this product. It is dangerous to use this product in any unqualified area and you will no longer own the factory warranty. Please also keep your invoice as proof of purchase for after-sales service.

10. To avoid electric shock, please only refer to the professional person to open the cabinet. Do not attempt to use or install an alternative
    device on the product, or perform any unauthorized modification. For repair services, please contact trained professionals.

11. Please refer to the manual for specific Warning or Caution information to avoid personal injury or product damage.

12. Never use with a cart, stand, tripod, bracket, or table except as specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when Moving the cart/apparatus combination to avoid injury from tip-over.

DETAILED SAFETY INSTRUCTIONS

1. For better usage and heat dissipation, please take your device’ s dimension and type into consideration.

2. Please choose appropriate devices according to its Input & Output voltage, currents and other parameters.

3. Pay attention to operating environment, such as temperature, humidity.

4. Before using the product, please refer user manual and make sure voltage, current matches your devices.

5. Power must be turn off during wiring.

6. Before power on, please double-check all cable terminals and confirm Input & Output; AC&DC; Positive and Negative pole; Voltage and Current are all in correct state, avoid reversed or wrong connection.

7. Based on the theory that primary input pedals(of bigger current) go before secondary input pedals, also for a better performance of this
   unit, please put primary input pedals in the front.

8. Please use your devices at rated power.

9. Please contact local authorized dealer immediately when a malfunction occurs, and ask for due after-sale service.

10. To extend the lifetime, please do not turn on/off power too frequently.

11. Please note that all equipments must be grounded.

12. Unplug the device or turn it off during lighting storms or when unused for a long period.

Parts Description and Function

AC Power Input and Fuse Unit

1. AC Power Input: Detailed information please refer to your local standard. AC110V (North America) AC240V (UK) AC220V (Mainland China)
2. Fuse Unit: Fuse Unit contains the main power fuse. Based on different input voltage, the corresponding fuse value shows as:
   • Input voltage Fuse value
   • AC100-120V TIAL250V
   • AC220-240V T500mA250V

Caution

1. Fuse Unit is set to ensure that input voltage conforms to internal transformer. Wrong match will lead to blown fuse. a horizates arE correct storma by manura cluter acrong o targita stricts eds canned distribut or change Is Installation withou

2. The adaptation of fuse and internal transformer is determined by the relative direction of fuse cover and base. Based on local voltage standard, please make sure the triangular mark on the fuse cover in consistent with that on the base when you change the fuse. Wrong installation may lead to blown fuse. AC Output: AC output port can be used to connect several units of this product with the maximum amount of five. Please connect this
   output port to AC input directly with a power cable.(Refer to illustration)

3. Power Switch: It controls the entire input power of the unit. Turn the switch on and the indicator light becomes bright. And the power cuts off when the switch is off. (this switch does not limit AC power output.)

4. DC Output 1-5: DC9V power output with the positive pole in the outer and the negative in the center. Each maximum output current is 100mA which is quite suitable for low power effect pedals. The output current is limited to 100mA and equipment with current consumption over this level should not be connected to Output 1-5.

5. DC Output 6-7: DC9V power output with the positive pole in the outer and the negative in the center. Each maximum output current is 250mA which is quite suitable for high power effect pedals. The output current is limited to 250 mA and equipment with current consumption over this level should not be connected to Output 6-7.

6. DC Output 8: DC12V/18Vpower output which can be alternated by the Switch button. The positive pole is in the outer and the negative in the center. The maximum output current is 100mA which is quite suitable for low power effect pedals. The output current is limited to 100 mA and equipment with current consumption over this level should not be connected to Output 8.

7. DC12V/18V Switch: This switch is designed to control Output 8. Turn the switch and point to 12V, the output of Output 8 is DC 12V. The same goes for DC18V.

Connection Mode (Refer to illustration)

1. Supply to one effect pedal or other equipment with equivalent parameters.
2. Use a polarity reversing adaptor to supply effect pedals or equipment with equivalent parameters.
3. Connect to several power supply units to charge multiple effect pedals or equipment with equivalent parameters at the same time.

This Power supply should contain the following: Manual, ply, Ipe (Dimension: 1604100*60mm Power Consumption: 30W)
AC Power cord, I pc
DC connection cable, 8pes
Reversed Polarity cable, 2pcs
Fuse wire, Ipc
QJOYO

JOYO TECHNOLOGY CO., LTD
Address: 2/F, Lushi Industry Building, 28th District, Bao’an, Shenzhen, 518101 China.
www.joyoaudio.com Email:info@joyoaudio.com Tel: 0086-755-29765381

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