Radio Shack PT-990A user manual

User manual for the device Radio Shack PT-990A

Device: Radio Shack PT-990A
Category: Stereo Amplifier
Manufacturer: Radio Shack
Size: 0.5 MB
Added : 12/27/2013
Number of pages: 18
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Summaries

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Abstracts of contents
Summary of the content on the page No. 1



















































Summary of the content on the page No. 2

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

Summary of the content on the page No. 3

SAFETY INFORMATION 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 en

Summary of the content on the page No. 4

IMPORTANT SAFETY INSTRUCTIONS 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.

Summary of the content on the page No. 5

IMPORTANT SAFETY INSTRUCTION 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. Thi

Summary of the content on the page No. 6

REMOTE CONTROLLER BATTERY INSTALLATION 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 rem

Summary of the content on the page No. 7

Ⅵ · Ⅶ Ⅹ Ⅹ · Ⅷ Ⅷ Ⅷ · Ⅸ Ⅵ Ⅵ · Ⅹ Ⅳ Ⅳ Ⅱ Ⅱ 0 0 0 FRONT PANEL INFORMATION 1 2 3 4 5 6 7 8 9 10 0 11 12 13 14 15 16 17 18 19 20 21 22 1. POWER ON/OFF Push this button to turn the unit into standby mode, push it again to turn off the unit. 2. Stereo Direct Press this button ,the unit will change to stereo direct output mode, all the signal through this unit will not be amplify. 3. DVD/CD Press to active the DVD inputs 4. AUX1/AUX2 P

Summary of the content on the page No. 8

REMOTE CONTROL INFORMATION 5. Speaker A+B Press this button, the speaker A&B outputs’s speaker will work together.. 6. Memory Press it to store the broadcast station as a preset 7. APS In tuner mode, press this button to allocate and memorize radio station automatically. 8. PTY Search No PTY inforamtion would be displayed. 9. ST/Mono Press this button to alternate between Stereo and Mono mode when listen to FM broadcast. 10. Station

Summary of the content on the page No. 9

REAR PANEL INFORMATION 1. Antenna: Connection terminal for AM& FM 2. Mains switch Use to interrupt the mains voltage 3. RS232 port 4. Analog audio In/Out - TAPE OUT: Connect to the line input terminals on the TAPE DECK - AUX IN: Connect to the line output of an external player. -TAPE IN: Connect to the line output terminals on the TAPE DECK. - DVD IN: Connect to the line output terminals on the DVD player - MD IN: Connect to the li

Summary of the content on the page No. 10

CONNECTION LOUDSPEAKER CONNECTIONS Caution: To avoid damaging the speakers with a sudden high-level signal, be sure to switch the power off before connecting the speakers. l Check the impedance of your speakers. Connect speaker with an impedance of 8 ohms or more. The amplifier’s red speaker terminals are the + (positive) terminals and the black terminals are the – (negative) terminals. l The + side of the speaker

Summary of the content on the page No. 11

CONNECTION AUDIO CONNECTIONS Note: Do not plug in the mains power lead or turn on the unit before all connections have been made. Connect to source equipment using phono cables (stereo 2RCA-2RCA). DIGITAL CONNECTIONS Two types of digital audio connections can be made to this unit, optical and coaxial. 9

Summary of the content on the page No. 12

CONNECTION FRONT INPUT CONNECTIONS The front panel iPod input is for temporary connections to the iPod player. 10

Summary of the content on the page No. 13

CONNECTIONS AERIAL CONNECTIONS FM aerial Connect an aerial to the FM 75 ohm socket (a simple wire aerial is supplied for temporary use). Extend the lead and move the aerial around until you get the best reception. For continued use, we strongly recommended using a 75 ohm outdoor FM aerial. AM loop aerial Connect each end of the single length antenna to the antenna terminals. Place the antenna as far from the main sy

Summary of the content on the page No. 14

BASIC OPERATION PHONES jack For private listening, insert optional (not included) headphones (1/4-inch plug) into the PHONES jack, and then the center and surround speaker will be cut automatically. iPod in jack The input ports are for iPod player. It can connect a iPod player directly or connect to a iPod docking. Balance/Bass/Treble control knob 1. Press the Main Power ON/OFF Switch on the rear panel BALANCE control i

Summary of the content on the page No. 15

BASIC OPERATION Stereo Radio Operations FM stereo broadcasts are received in stereo and the “ ” Automatic Tuning indicator lights on the display. 1. Press the Main Power On/Off switch on the rear panel Mono first, then press the Power On/Off button on the front To compensate for weak FM stereo reception, select this panel to turn this unit on. mode. Reception will now be forced monaural, reducing 2. Press the Tuner button on the

Summary of the content on the page No. 16

RADIO DATA SYSTEM (Optional) RADIO DATA SYSTEM (RDS) RDS is a method for the transmission of additional d) RT (Radio text) information from local Radio Stations. It can only operated in FM mode. For example, name of the station broadcasting, Press “DISPLAY” on remote control until “RT” appears. name of the program or the type of program will be shown on Some Text messages will be shown. the multi-function display. Note

Summary of the content on the page No. 17

TROUBLESHOOTING To determine any problem with your receiver, always check the most obvious possible causes first. If any problem still remains after your having checked the items below, consult your nearest dealer. Problem Probable Cause Suggestion Amplifier When listening to the music in stereo. Speakers are connected wrong. After checking, if neede

Summary of the content on the page No. 18

SPECIFICATIONS Max Power Output: 300W×2CH (RMS,THD=0.25%,8 ohm)(20Hz-20kHz) A Speaker : 4~8 ohm B Speaker: 4~8 ohm A+B Speaker 8 ohm Total Harmonic Distortion: <0.005 (Vin=200mV, 1W Power output) Inter-modulation distortion: <0.008 requency Response: +/- 0.5dB, 20Hz-22kHz Signal/Noise ratio: 110 dB(Digital In) Signal/Noise ratio: 110 dB(Analog In) Channel Separation: >70dB Audio Analogue input Senstivity/Impedance:


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