Instruction/ maintenance manual of the product RX-772 Sherwood
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2 ENGLISH Introduction : TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. This symbol is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product's enclo- sure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
3 ENGLISH Introduction READ THIS BEFORE OPERATING YOUR UNIT ....................................................................... 2 System Connections ..............................................................................................
4 System Connections • Do not plug the AC input cord into the wall AC outlet until all connections are completed. • Be sure to observe the color coding when connecting audio, video and speaker cords. • Make connections firmly and correctly. If not, it can cause loss of sound, noise or damage to the receiver.
5 2 . CONNECTING PHONO • The TV and AUX jacks may also be connected to an additional component such as a TV, DVD player, etc. • The TAPE IN/OUT jacks can be connected to audio recording equipment such as a tape deck, an MD recorder, etc. • The VIDEO jacks may also be connected to an additional component such as MD recorder, tape deck, etc.
6 6 . CONNECTING SPEAKERS • Usally SPEAKER A terminals are used for only a pair of speakers. When you have another pair of speakers, SPEAKER B terminals can be used. • Be sure to connect speakers firmly and correctly accord- ing to the channel(left and right) and the polarity (+ and -).
7 7 . SWITCHED AC OUTLET 8 . AC INPUT • This outlet is switched on (power-on mode) and off (standby mode) according to power control as follows (Maximum total capacity is 100 W (0.
8 Front Panel & Remote Controls • You can remotely control not only this receiver but also Sherwood compatible CD player. • For system remote control operation, first make the DIGI LINK connections. • In the DIGI LINK remote control system, if pressing PLAY, etc.
9 1. POWER SWITCH Push this switch to enter the standby mode. To switch the power off, push again this switch. 2. POWER ON BUTTON In the standby mode, when this button is pressed, the unit is turned on to enter the operating mode. When the BAND button on the front panel is pressed, the unit is turned on, too.
10 LO ADING B A TTERIES REMO TE CONTROL OPERA TION RANGE • Use the remote control unit within a range of about 7 meters (23 feet) and angles of up to 30 degrees aiming at the remote sensor. • Remove the batteries when they are not used for a long time.
11 Operations When the POWER ON button on the remote con- trol or the BAND button on the front panel is pressed, this unit is turned on to enter the operat- ing mode (the STANDBY indicator lights up in blue).
12 or UP DOWN “MUTE” lights up. To resume the previous sound level, press this but- ton again. When adjusting the volume, the mutting effect is turned off. The volume can be adjusted between the range of -80 ~ +20 dB. Be sure to switch off both A and B speakers.
Each time this button is pressed, the mode is displayed for several seconds and changes as follows : SPEAKER ( TONE : ON BASS TREBLE) or BALANCE ( TONE : OFF) Each time the SELECT konb is rotated, you can adjust the selected mode as follows.
14 You can switch on or off the desired speakers. When adjusting the SPEAKER mode. A B A + B OFF When adjusting the TONE mode. OFF : To listen to a program source without the tone effect. ON : To listen with the tone effect you adjusted.
15 Auto tuning • Each time this button is pressed, the band is changed as follows : FM STEREO FM MONO AM (" " lights up) (" " lights up) • When FM stereo broadcasts are poor because of weak broadcast signals, select the FM mono mode to reduce the noise, then FM broadcasts are repro- duced in monaural sound.
MEMORY BACKUP FUNCTION The following items, set before the receiver is turned off, are memorized. • INPUT SELECTOR settings • Preset stations,etc.
17 • Use this function to automatically search and receive the stations offering RDS services. RDS (Radio Data System) is a method for sending information signals together with the transmitter signals. Your tuner is capable of translating these signals and putting the information on the display.
18 1 . In the FM mode, press the SEARCH MODE button twice. PTY Search • Use this function to automatically search and receive the stations broadcasting the desired program type. • “PTY Search” is displayed. • Each time these buttons are pressed, one of 29 different types of programs is selected.
19 • Use this function to automatically search and receive the stations broadcasting the traffic program. • “TP Search” is displayed. • The tuner automatically searches for stations broadcasting the traffic program. • “NO Programme”is displayed if the signal is too weak or there are no stations broadcasting the traffic program.
20 The audio signals from the desired input will be recorded onto the VIDEO. The volume, tone(bass, treble) and balance settings have no effect on the recording signals. When you select tuner, CD, AUX, TV or PHONO as a recording source, recording may be made on TAPE or VIDEO, or both simultaneously.
21 Each time this button is pressed, the brightness of all fluorescent displays of this unit and Sherwood CD player such as CD-772 , etc. connected by the DIGI LINK changes together as follows: .
22 T roubleshooting Guide PROBLEM POSSIBLE CAUSE REMEDY If a fault occurs, run through the table below before taking your receiver for repair. If the fault persists, attempt to solve it by switching the receiver off and on again. If this fails to resolve the situation, consult with your dealer.
23 AMPLIFIER SECTION Power output, stereo mode, 8 Ω , THD 0.08 %, 20 Hz~20 kHz .............................................................. 2X100 W Total harmonic distortion, R/O TO -3 dB, 20 Hz~20 kHz .................................
An important point after buying a device Sherwood RX-772 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sherwood RX-772 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sherwood RX-772 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sherwood RX-772 you will learn all the available features of the product, as well as information on its operation. The information that you get Sherwood RX-772 will certainly help you make a decision on the purchase.
If you already are a holder of Sherwood RX-772, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sherwood RX-772.
However, one of the most important roles played by the user manual is to help in solving problems with Sherwood RX-772. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sherwood RX-772 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
