Radio Shack PT-990A User Manual

PT-990A VACUUM TUBE STEREO AMPLIFIER

POWER ONPOWER ON

STANDBYSTANDBY

USBUSB

PHONESPHONES

SENSORSENSOR

PT-990A TUBE STEREO AMPLIFIER PT-990A TUBE STEREO AMPLIFIER

AUX 1

SPEAK ER

A/B

DVD

SPEAK ER

A+B

AUX 2

DIGITAL

STEREO

DIRECT

USBUSB

TAPE

PHONO

MDMD

TUNINGTUNING

TUNERTUNER

PLAYE R INPUTPLAYE R INPUT

PLAYE R INPUT

ST. LINE IN

www.pyleaudio.com

MASTER VOLUMEMASTER VOLUME

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Ⅱ

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Ⅳ

Ⅴ

Ⅹ

Ⅸ

Ⅷ

Ⅶ

Ⅵ

STERE O

LINE IN

BAL ANCEBAL ANCE

BASSBASS TREBL ETREBL E

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Ⅳ

Ⅵ

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CONTENTS

SAFETY INFORMATION………………………………………………………………………………………………………………… 1 IMPORTANT SAFETY INSTRUCTIONS………………………………………………………………………………………………. 2 REMOTE CONTROLLER……………………………………………………………………………………………………………….. 3 LOUDSPEAKER POSITIONING……………………………………………………………………………………………………….. 4 FRONT PANEL INFORMATION………………………………………………………………………………………………………… 5 REMOTE CONTROL INFORMATION…………………………………………………………………………………………………. 6 REAR PANEL INFORMATION………………………………………………………………………………………………………….. 7 CONNECTIONS

- LOUDSPEAKER CONNECTIONS……………………………………………………………………………………………………. 8

- AUDIO CONNECTIONS………………………………………………………………………………………………………………... 9

- DIGITAL CONNECTIONS……………………………………………………………………………………………………………… 9

- FRONT INPUT CONNECTIONS………………………………………………………………………………………………………. 10

- AERIAL CONNECTIONS……………………………………………………………………………………………………………… 11 BASIC OPERATION……………………………………………………………………………………………………………………… 12 RADIO DATA SYSTEM (OPTIONAL)……………………………………………………………………………………………………14 TROUBLESHOOTING…………………………………………………………………………………………………………………… 15 SPECIFICATIONS………………………………………………………………………………………………………………………… 16

SAFETY INFORMATION

CLASS 1

LASER PRODUCT

ACCESSORIES

1. RCA cord (yellow color).

2. Remote control.

3. Battery AA x 2 for Remote control

4. Instruction Manual

Caution:

- To reduce the risk of electric shock, do not remove Cover (or back)

- No user-serviceable parts inside.

- Refer servicing to qualified service personnel.

- Do not expose this appliance to rain or moisture

This lightning flash with arrowhead symbol, within an equilateral triangle is intended to alert the user to the presence of uninstalled “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 appliance.

The marking of products using lasers (except for some areas). The label is attached to the rear panel and says that the component uses beams that have been classified as Class 1,which means the unit is utilizing laser beams that are of weaker class. There is no danger of hazardous radiation outside the unit

IMPORTANT SAFETY INSTRUCTIONS

ANTENNA

DISCHARGE UNIT

(NEC SECTION 810-21)

POWER SERVICE GROUNDING

Caution: Read This Before Operating Your Unit.

1. READ AND FOLLOW INSTRUCTIONS: All the safety and operation instructions should be read before the product is operated. Follow all operation instructions within this manual.

2. RETAIN INSTRUCTIONS: The safety and operation instructions should be retained for future reference.

3. HEED WARNINGS: Comply with all warnings on the product and in the operation instructions.

4. CLEANING: Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning.

5. GROUNDING or POLARIZATION: This product may be equipped with a polarized alternating current line plug (a plug having one blade wider than the other). This plug will fit into the power outlet only one way. This is a safety feature. If you are unable to insert the plug fully into the outlet, try reversing the plug. If the plug should still fail to fit, contact your electrician since it is likely you have an out of sate wall socket. Never force the plug into the socket.

6. OVERLOADING: Do not overload wall outlets or extension cords as this can result in the risk of fire or electric shock. Overloaded AC outlets, extension cords, frayed power cables, damaged or cracked wire insulation, and broken plugs are dangerous. They may result in electric shock or fire hazard. Periodically examine the power cable - if its appearance indicates damage or deteriorated receptacles have it replaced by your service technician.

7. POWER SOURCES: This product should be operated only from the type of power source indicated on the rear panel label. If you are not sure of the type of power supply to your home, consult your product dealer or local power company. For products intend to be operated from battery power, or other sources, refer to the operation instructions.

8. ACCESSORIES: Do not place this product on an unstable surface or support. The product may fall, causing serious injury to a child or adult as well as serious damage to the product. Any mounting of the product should follow the manufacture’s instructions and use a mounting accessory recommended by the manufacturer. A product and cart combination should be moved with care. Quick stops, excessive force, and uneven surfaces may cause the product and cart combination to overturn.

9. OUTDOOR ANTENNA GROUNDING: If an outside antenna or cable system is connected to the product, be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built-up static charges. The example below is for reference only. Correct grounding should always be installed by an electrician.

LEAD IN WIRE

GROUND CLAMP

ELECTRIC SERVICE EQUIPMENT

GROUNDING CONDUCTORS (NEC SECTION 810-21)

GROUND CLAMPS

ELECTRODE SYSTEM (NEC ART 250.PART H)

10. POWER-CORD PROTECTION: The power supply cables should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cables at plugs and the point where they exit from the product.

11. ATTACHMENTS: Do not use unauthorized attachments as they may cause faults with the unit.

12. CONDITIONS REQUIREING SERVICE: Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions:

a) If the unit exhibits sudden unusual operation or unusual display characteristics. b) If the unit exhibits sudden unusual operation or unusual display characteristics. c) b. If liquid has been spilled, or objects have fallen into the product. d) If the product has been exposed to rain or water. e) If the product does not operate normally by following the operation instructions, adjusting only those controls that are

covered by the operation instructions. (NOTE: improper adjustment of other controls may result in damage and will

often require extensive work by a qualified technician to restore the product to its normal operation). f) If the product has been dropped or damaged in any way. g) If the product exhibits a distinct change in performance.

IMPORTANT SAFETY INSTRUCTION

Avoid high temperatures

Keep the set free from moisture.

Do not obstruct the ventilation

*(For sets with ventilation holes)

Do not let foreign objects in the set.

13. SERVICING: Do not attempt to service this product yourself as removing cover may expose you to dangerous voltages or other hazards. Refer all servicing to qualified service personnel.

14. LIGHTNING: For added protection for this product during a thunderstorm, or when it is left unattended and unused for long

period of time, unplug it from the wall outlet and disconnect the antenna or cable system. This will prevent damage to the product due to lightning and power line surges.

15. REPLACEMENT PARTS: Should replacement parts be required, have the service technician verify that the replacement parts he uses have the same safety characteristics as the original parts. Use of unauthorized replacements parts can cause fire or electric shock.

16. SAFETY CHECK: Upon completion of any service or repairs to this product, ask the service technician to perform safety checks recommended by the manufacturer to determine that the product is in a safe operating condition.

17. HEAT DISPERSION---Leave at least 10 cm of space between the top, back and sides of the unit and the wall or other components for proper ventilation.

10cm or more

18. The apparatus shall not be exposed to dripping or splashing and that no objects filled with liquids, such as vases, shall be placed on the apparatus.

19. NOTES ON USE

water,and dust.

Allow for sufficient heat dispersion when installed on a rack.

Unplug the power cord when not using the set for long periods of time

Do not let insecticides,benzene,and thinner come in contact with the set.

Handle the power cord carefully. Hold the plug when unplugging the cord.

holes

Never disassemble or modify the set in any way.

REMOTE CONTROLLER

By using the provided remote control unit, the receiver can be controlled from your listening position. To use the remote control unit, point it at the REMOTE SENSOR window of the receiver.

Notes:

- Even if the remote control unit is operated within the

effective range, remote control operation may be impossible if there are any obstacles between the unit and the remote control.

- If the remote control unit is operated near other appliance

which generate infrared rays, or if other remote control devices using infrared rays are used near the unit, it may operate incorrectly.

- The power is turned on/off (standby) by pressing the

POWER button on the remote control unit in standby mode.

Precautions concerning batteries

-Be sure to insert the batteries with correct positive+ and

negative – polarities.

- Use batteries of the same type. Never use different types of

batteries together.

- Rechargeable and non-rechargeable batteries can be used.

Refer to the precautions on their labels.

- When the remote control unit is not to be used for a long

time (more than a month), remove the batteries from the remote control unit to prevent them from leaking. If they leak, wipe away the liquid inside the battery compartment and replace the batteries with new ones.

- Do not heat or disassemble batteries and never dispose of

old batteries by throwing them in a fire.

REMOTE CONTROL OPERATION RANGE

Use the remote control unit within a range of about 7

meters (23 feet) and the angles of up to 30 degrees aiming

at the remote sensor.

BATTERY INSTALLATION

1. Remove the battery compartment cover.

2. Insert two “AA” dry batteries. Make sure that the batteries are inserted with their positive “+” and negative “-” poles positioned correctly.

3. Close the cover until it clicks.

If the distance required between the remote control unit and main unit decreases, the batteries are exhausted. In this case, replace the batteries with new one

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