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Optimus STAV-3680 Owner's Manual

Professional series audio/video receiver
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31-3039
Cat. No.
Audio/Video
Receiver
STAV-3680
DOLBY SURROUND
STAV-3680 AUDIO/VIDEO RECEIVER
P R O • L O G I C
STAND BY
VCR
TAPE 2
DOLBY
SFC
5-D
OSR
DVD/TV LD/SAT
CD
TUNER PHONO
MODE
PRO LOGIC
THEATER LOUDNESS
TAPE 1
MONITOR
POWER
VOLUME
BASS
BALANCE
MULTI
TREBLE
RETURN
FM MONO
CLASS
SELECT
JOG
PHONES
5–CHANNEL
EQUAL POWER OUTPUT
SPEAKERS
MEMORY
FM/AM
ENTER
L
R
MIN
MAX
A
B
Owner's Manual
Please read before using this equipment.

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Summary of Contents for Optimus STAV-3680

  • Page 1 31-3039 Cat. No. Audio/Video Receiver STAV-3680 DOLBY SURROUND STAV-3680 AUDIO/VIDEO RECEIVER P R O • L O G I C STAND BY TAPE 2 DOLBY DVD/TV LD/SAT TUNER PHONO MODE PRO LOGIC THEATER LOUDNESS TAPE 1 MONITOR POWER VOLUME BASS...
  • Page 2 Dolby, Pro Logic, and the double-D symbol ( RadioShack and Optimus are registered trademarks used by Tandy Corporation. Your Optimus STAV-3680 Audio/Video Receiver is the perfect control center for your audio/video system. It combines 500 watts total Pro Logic Surround Sound...
  • Page 3 IMPORTANT SAFETY INSTRUCTIONS This receiver is made and tested to meet exacting safety standards. It meets both UL and FCC require- ments. Warning: To reduce the risk of fire or shock hazard, do not expose this product to rain or moisture. CAUTION RISK OF ELECTRIC SHOCK.

  • Page 4: Table Of Contents

    Contents Preparing Your Receiver ................5 Positioning Speakers .

  • Page 5: Preparing Your Receiver

    Preparing Your Receiver Caution: Make all the necessary connections before you plug in or turn on the receiver. Positioning Speakers Halfway Point Between Speake Person in Listening Area • Surround speakers generally sound best if you position them above ear level.

  • Page 6: Connecting Speakers

    Speakers A jacks and one set to the Speakers B jacks. • Optimus and other high-quality speak- ers have color-coded speaker termi- nals (red for positive polarity and black for negative polarity). Use these...
  • Page 7 Note: Be sure you connect the re- ceiver’s right and left positive (+) and negative (–) terminals to the speaker’s corresponding right and left positive (+) and negative (–) terminals. Connecting the A and B Speakers Follow these steps to connect the right speaker to the receiver’s right terminals.
  • Page 8 Preparing Your Receiver Connecting Surround-Sound Speakers You can connect a pair of speakers to the receiver’s terminals REAR SPEAKERS for surround-sound programs. Follow the steps in “Connecting the A and B Speakers.” Connecting the Center Speaker The center speaker gives additional ambience to surround sound. Connect the center speaker to the terminals.

  • Page 9: Connecting Program Sources

    Connecting Program Sources Use shielded audio cables with phono connectors for all audio connections. Note: If you place the cassette deck di- rectly above, below, or to the left of the receiver, the receiver could interfere with the cassette deck’s operation. If possi- ble, position the cassette deck to the right of the receiver or locate it away from the receiver.
  • Page 10 Preparing Your Receiver Note: If your VCR is monaural, use a Y- adapter (available at your local Ra- dioShack store) to connect the VCR’s audio output to both the audio in- puts on the receiver. Connecting Video Sources If you connect three video sources such as VCRs, laser disc players, or DVD (digital video disc) players to your receiver, you can use the receiver to select each video source.

  • Page 11: Connecting The Antennas

    Connecting the Antennas Antenna Tabs Antenna Wires Antenna Wires AM Loop Antenna Ground Outdoor AM Antenna AM Loop Antenna Ground Note: For the best results, use 75-ohm coaxial cable to connect an outdoor FM antenna to the receiver. In many cities, the supplied indoor AM loop and FM antennas provide satisfac- tory reception.
  • Page 12 Preparing Your Receiver Warning: To prevent injury, read and fol- low all cautions and warnings that ac- company the outdoor antenna. Caution: The cable’s shielding should only touch the terminal. For the best radio reception, use an outdoor antenna. Follow these steps to connect an outdoor FM antenna to the receiver using 75 cable.

  • Page 13: Using One Remote Control For More Than One Unit

    Note: If the remote’s range is reduced, replace the batteries immediately. If you also have an Optimus professional series CD player, VCR, or cassette deck with the OSR mark ( ), you can connect its ceiver so you can control all of your equipment with a single remote control. You can also use the other component’s remote control by pointing it at the re-...

  • Page 14: Using The Ac Power Outlet

    Preparing Your Receiver Using the AC Power Outlet Caution: Do not connect appliances with high power consumption, such as a heater, iron, monitor, or TV, to this AC outlet. Doing so can cause a risk of over- heating and fire, and could damage the receiver.

  • Page 15: Basic Operation

    Basic Operation Warning: To prevent possible hearing loss, turn before MASTER VOLUME you turn on the receiver or change the program sources. After you turn on the receiver or change the program source, adjust to a comfortable listening VOLUME level. Note: If you want to find out what a par- ticular button or control is used for, see Page 23 (for the remote control) or Page...

  • Page 16: Balance Control

    Basic Operation Balance Control Loudness Control Muting the Receiver Using Headphones control lets you adjust the sound balance between the left and BALANCE right speakers. If you properly position the speakers and your listening area is centered between them, the center control setting is usually best (see “Position- ing Speakers”...

  • Page 17: Tuning The Radio

    Tuning the Radio Notes: • If you store a frequency in a memory that already contains a frequency, you replace the previous frequency. • If your receiver is disconnected from AC power for several days, it loses all the stored frequencies. You can tune your receiver manually or you can store stations in memory.

  • Page 18: Using Fm Mono

    Basic Operation Using FM Mono To receive FM stations in stereo, press display. STEREO appears on the display when the tuner receives an FM broad- cast in stereo. You can improve the reception of weak FM stations by pressing MONO appears.

  • Page 19: Cassette Deck/Vcr Features

    Cassette Deck/VCR Features Using the VCR/TAPE 1 and TAPE 2 Monitor Buttons Recording a Program Source Dubbing a Cassette Tape You can connect two cassette decks to the receiver. Selecting either lets you hear the playback from the cassette deck you con- TAPE 2 MONITOR nected to the receiver’s corresponding ( Press...

  • Page 20: Playing And Recording Video Tapes

    Cassette Deck/VCR Features Playing and Recording Video Tapes You can connect two video sources to the receiver. If you connect a VCR to the audio and video jacks, you can copy video cassette tapes from one VCR/TAPE 1 VCR to another and monitor the dubbing process. Playing a Video Cassette Tape To play a video tape, load the tape into the VCR connected to either .

  • Page 21: Using Advanced Sound Options

    Using Advanced Sound Options Your receiver has three special sound options: Dolby Pro Logic Surround, SFC modes (studio and arena), and 5-D Theater. These special options enhance the sound you hear from a program source. Notes: • To get the full benefit from programs encoded with Dolby Surround Sound, you need a stereo VCR.

  • Page 22: Sound Mode Adjustments (Remote Control Only)

    Using Advanced Sound Options Sound Mode Adjustments (Remote Control Only) Note: If you do not use a center speaker, the monaural signals are reproduced only if you select PHANTOM. Note: Use the control to adjust VOLUME the overall sound level. Center Mode Setting The center mode setting affects the center channel’s bass signals.

  • Page 23: Using The Remote Control

    MASTER RECEIVER TAPE VOLUME STAV-3680 AUDIO/VIDEO SYSTEM REMOTE The remote control works up to a distance of about 23 feet, and within a 30-de- gree angle on either side of the receiver. Point the control at the receiver’s front panel and press the desired button(s).
  • Page 24 TAPE2 FUNCTION MONITOR LOUD POEWR MASTER RECEIVER TAPE VOLUME STAV-3680 AUDIO/VIDEO SYSTEM REMOTE CD Player Section Before operation: • Press to select the CD player operation. • Set AUDIO SURROUND AUDIO • You must connect the CD player to both your receiver’s audio jacks for these functions to work.

  • Page 25: Troubleshooting

    Try using an AC line noise filter to reduce the noise. You cannot make a usable copy. Check and correct the connections. This feature works only with Optimus Profes- sional Series components. Properly connect the control cable. Properly connect the audio cables.

  • Page 26: Care And Maintenance

    Care and Maintenance Your STAV-3680 Audio/Video Receiver is an example of superior design and craftsmanship. The following suggestions will help you care for the receiver so you can enjoy it for years. Modifying or tampering with your receiver’s internal components can cause a malfunction and might invalidate the receiver’s warranty and void your FCC authorization to operate it.

  • Page 27: The Fcc Wants You To Know

    The FCC Wants You to Know Your receiver might cause radio or TV interference even when it is operating properly. To determine whether your receiver is causing the interference, turn off your receiver. If the interference goes away, your receiver is causing it. Try to eliminate the interference by: •...

  • Page 28: Specifications

    Specifications Amplifier Front Channel Average Power Output ......... 100 Watts per Channel into 8 Ohms Front Channel Surround Power Output .
  • Page 29 FM Tuner Frequency Range ............... 87.5 to 108 MHz Usable Sensitivity .

  • Page 30: Index To Features By Control Name

    Index to Features by Control Name This table lists the control and indicator names found on the front of your receiver, along with the page number where the con- trol or indicator is discussed. To find a description for the buttons on the remote control, see “Using the Remote Control” on Page 23.
  • Page 31 Notes...
  • Page 32 Limited Two-Year Warranty This product is warranted by RadioShack against manufacturing defects in material and workman- ship under normal use for two (2) years from the date of purchase from RadioShack company- owned stores and authorized RadioShack franchisees and dealers. EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE DURATION OF THE WRITTEN LIMITED WARRANTIES...

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