JBL-SUB350-sub-psm 电路图 维修手册.pdf

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1、simply cinema SUB350 Dolby Pro-Logic Surround Amplifier/Subwoofer PRELIMINARY SERVICE MANUAL JBL Consumer Products 250 Crossways Park Dr. Woodbury, New York 11797 RadioFans.CN 收音机爱 好者资料库 Note: The SUB350 is part of the ESC350 system Service data for the ESC350 Processor/CD player/Tuner, the “Source”

2、 is available in a separate service manual The “Source” is necessary to test or play the SUB350. Parts for satellite loudspeakers 300SAT are also available in separate service literature - CONTENTS - BASIC SPECIFICATIONS .1 CONNECTIONS/SET-UP GUIDE.2 BASIC TROUBLESHOOTING.14 EXPLODED VIEW. .15 PARTS

3、 LIST . .16 SCHEMATICS.22 PACKAGE.24 BASIC SPECIFICATIONS ESC350 SYSTEM Total System Output200 watts Front channels 35 watts x 3 .1% THD Surround channels 15 watts x 2 .1% THD Subwoofer 65 watts .1% THD Frequency response35Hz 20kHz S-N ratio90 dB Input Impedance20k Ohms Input Sensitivity1500mV SUB35

4、0 Dimensions15 1/8 x 13 x 14 ” (384 x 330 x 368mm) Weight34.5 lbs. (15.7 kg) Occasional refinements may be made to existing products without notice but will always meet or exceed original specifications unless otherwise stated RadioFans.CN 收音机爱 好者资料库 1 6 Connections Connect TV or VCR to The Source J

5、BL ESC350 Powered Subwoofer OutInA or B TVTape/Aux AM Loop US Europe Tuner Frequency Standard Rear Panel of The SourceTV or Hi-Fi VCR Antenna FM 75 L R L R AUDIO OUT JBL ESC350 Powered Subwoofer OutInA or B TVTape/Aux AM Loop US Europe Tuner Frequency Standard Antenna FM 75 L R INPUT SUBWOOFER LEVEL

6、 Rear Panel of The Source Rear Panel of Subwoofer OUTPUTS RIGHT CENTER LEFT RIGHT LEFT FRONT SPEAKERS SURROUND SPEAKERS Min Max JBL ESC350 Powered Subwoofer OutInA or B TVTape/Aux AM Loop AM Antenna FM Antenna US Europe Tuner Frequency Standard Antenna FM 75 L R Rear Panel of The Source Connect The

7、Source to a Subwoofer Connect Antennas to The Source Connect Optional Cassette Deck to The Source JBL ESC350 Powered Subwoofer OutInA or B TVTape/Aux AM Loop US Europe Tuner Frequency Standard Rear Panel of The SourceCassette Deck Antenna FM 75 L R L R OUT L R IN Note: The Source also provides a ste

8、reo mini-jack (B) to provide an easy connection to devices that have a stereo mini-jack audio output. ESC350 Simply Cinema OM 9/11/98 2:06 PM Page 6 RadioFans.CN 收音机爱 好者资料库 2 7 Left FrontCenterRight Front OUTPUTS Right SurroundLeft Surround FRONT SPEAKERS SURROUND SPEAKERS RIGHT CENTER LEFT RIGHT LE

9、FT Speaker and Amplifier Connection Speaker Connections ESC350 Simply Cinema OM 9/11/98 2:06 PM Page 7 3 8 Operation Volume Mute Volume +? Volume THE SOURCE To raise volume: Turn control on The Source clockwise or Mute To lower volume completely: Push “Mute” on the remote control. When “Mute” is pus

10、hed again, the volume will return to its original level. Mute Volume +? Volume Mute +? Volume THE SOURCE To lower volume: Turn volume control on The Source counter- clockwise or REMOTE push “” on the remote control. REMOTE REMOTE push “+” on the remote control. CD Open Random Power Volume Skip Searc

11、h Tune Stereo/Mono Bass + Surround Mode Treble + Tuner Presets Auto Add Tape/Aux TVAuto Tune AM/FMRepeat Delete Rear Speakers TM Mute Volume CD AM/FM TV Aux Surround ToneCalibrate PowerSleep + + The Source Remote Control ESC350 Simply Cinema OM 9/11/98 2:06 PM Page 8 4 9 Treble + Treble + + Treble +

12、 Surround Calibrate + Surround Calibrate + THE SOURCE To raise the treble level: Push “+” on The Source or THE SOURCE To lower the treble level: Push “” on The Source or REMOTE push “Calibrate” on the remote control until “Treble” illuminates in The Source display. Push “” until you reach the desire

13、d level. REMOTE push “Calibrate” on the remote control until “Treble” illuminates in The Source display. Push “+” until you reach the desired level. Bass Bass + Surround Mode Treble Bass + Surround Mode Treble Surround Calibrate + Surround Calibrate + THE SOURCE To raise the bass level: Push “+” on

14、The Source or THE SOURCE To lower the bass level: Push “” on The Source or REMOTE push “Calibrate” on the remote control until “Bass” illuminates in The Source display. Push “” until you reach the desired level. REMOTE push “Calibrate” on the remote control until “Bass” illuminates in The Source dis

15、play. Push “+” until you reach the desired level. ESC350 Simply Cinema OM 9/11/98 2:06 PM Page 9 5 AM/FM TV Aux To Scan within the Same Track Skip Search Tune THE SOURCE Push “” on The Source or REMOTE the remote control. 10 CD Operation Open Power Volume Search Tune To Skip to a Different Track AM/

16、FM TV Aux TV Aux Surround Skip Search Tune THE SOURCE Push “|” on The Source or REMOTE the remote control until the number of the desired track appears on the display. THE SOURCE 1. Push “Power” and/or “Open” on The Source. 2. Insert CD. REMOTE the remote control. (The door will close automatically.

17、) THE SOURCE 3. Push “Play” on The Source or CD Open Random Power Volume Skip Search Tune Stereo/Mono Bass + Surround Mode Treble +Tuner Presets Auto Add Tape/Aux TVAuto Tune AM/FMRepeat Delete Rear Speakers TM Mute Volume CD AM/FM TV Aux Surround ToneCalibrate PowerSleep + + The Source Remote Contr

18、ol To Play a CD ESC350 Simply Cinema OM 9/11/98 2:06 PM Page 10 6 11 To Program the CD Open Power Volume Skip Search Tune Tuner Presets Auto Add Delete TV Aux Surround To Pause the CD Search Tune Search Tune To Stop the CD TV Aux Surround THE SOURCE 1. Push “Power” and/or “Open” on The Source. 2. In

19、sert CD. THE SOURCE 4. Push “Add” to program track. Repeat procedure until all desired tracks are programmed. THE SOURCE 3. Push “|” to select desired track. THE SOURCE Push “Stop” on The Source or REMOTE the remote control. THE SOURCE Push “Pause” on The Source or REMOTE the remote control. Push ag

20、ain to resume play. To Play the Tracks of a CD in Random Order CDRandom TVAuto Tune AM/FMRepeat Push “Random” on The Source. The Source will automatically delete each track it has played from the “Random” operation. To Repeat the Disc CDRandom Stereo/MonoTape/Aux TVAuto Tune AM/FMRepeat Note: If “Ra

21、ndom” and “Repeat” are both engaged the CD player will randomly play the disc, deleting all played tracks, until the disc is finished. It will then randomly play the disc again. THE SOURCE THE SOURCE Push “Repeat” on The Source. ESC350 Simply Cinema OM 9/11/98 2:06 PM Page 11 7 12 Tuner Operation Po

22、wer Stereo/MonoTape/Aux TVAuto Tune AM/FMRepeat Rear To Switch Between AM and FM Stereo/MonoTape/Aux TVAuto Tune AM/FMRepeat Rear To Tune to a Particular Station AM/FM TV Aux Mute Volume CD AM/FM PowerSleep + Mute Volume CD AM/FM PowerSleep + Skip Search Tune THE SOURCE Push “Power” on The Source or

23、 REMOTE the remote control. THE SOURCE “AM/FM” on The Source or THE SOURCE Push “AM/FM” on The Source or REMOTE the remote control. THE SOURCE Push “” on The Source or REMOTE the remote control. To search rapidly, hold down the “” button. CD Open Random Power Volume Skip Search Tune Stereo/Mono Bass

24、 + Surround Mode Treble +Tuner Presets Auto Add Tape/Aux TVAuto Tune AM/FMRepeat Delete Rear Speakers TM Mute Volume CD AM/FM TV Aux Surround ToneCalibrate PowerSleep + + The Source Remote Control ESC350 Simply Cinema OM 9/11/98 2:06 PM Page 12 8 13 If a Selected FM Station is a Little Noisy Stereo/

25、MonoTape/Aux TVAuto Tune Rear Speakers AM/FM TV Aux To Have the Tuner Search for the Next Strong Station Stereo/MonoTape/Aux TVAuto Tune AM/FMRepeat Rear Speakers Skip Search Tune Skip Search Tune AM/FM TV Aux THE SOURCE Push “Stereo/Mono” on The Source. This will play the selected station without a

26、ny stereo separation, but there will be much less background noise. REMOTE the remote control will tune up or down one frequency at a time. THE SOURCE When in the “Mono” mode, the “” on The Source or THE SOURCE Push “Auto Tune” on The Source. REMOTE the remote control, the tuner will automatically a

27、dvance to the next station with a strong signal. THE SOURCE Then, when you push “” on The Source or ESC350 Simply Cinema OM 9/11/98 2:06 PM Page 13 9 14 The Source has a unique feature that will automati- cally place up to 32 stations in memory. To activate this feature, push and hold the “Auto” but

28、ton for one second. The tuner will search the dial and place the stations with a strong signal into memory. Preset Operation Tuner Presets Auto Add Delete Skip Search Tune Tuner Presets Auto Add Delete Note: Activating this feature will delete all stations that were previously stored in memory. To p

29、revent this from accidentally occurring, the Auto button will only activate if held for a full second. Tuner Presets Auto Add Delete AM/FM TV Aux THE SOURCE 1. Tune to the station that you want to add into memory. 2. Push “Add” on The Source. That station is now added to your selection of stations i

30、n memory. THE SOURCE 3. To delete a preset: Push “Delete” on The Source. That station is now removed from your selection of stations in memory. THE SOURCE 4. To skip between preset stations: Push “|” on The Source or THE SOURCE REMOTE the remote control. CD Open Random Power Volume Skip Search Tune

31、Stereo/Mono Bass + Surround Mode Treble +Tuner Presets Auto Add Tape/Aux TVAuto Tune AM/FMRepeat Delete Rear Speakers TM Mute Volume CD AM/FM TV Aux Surround ToneCalibrate PowerSleep + + The Source Remote Control ESC350 Simply Cinema OM 9/11/98 2:06 PM Page 14 10 15 1. Dolby Pro Logic In this mode a

32、ll five speakers are used. 2. Dolby Pro Logic Phantom In this mode the center channel does not operate. This may be preferred when listening to a music source that was not recorded with surround- channel information. 3. 2-channel In this mode the program is played back in a tra- ditional stereo form

33、. What is Dolby*Pro Logic*? Dolby*Pro Logic*is an encode/decode process by which four channels of sound-track information are encoded into two channels for playback on VCRs, laser disc players, and some TV broadcasts, and then decoded back into four channels for playback through five loudspeakers. R

34、emember that a Dolby Pro Logic system consists of three channels of information for front left, center, and right speakers and one channel of mono surround information. The surround channel is played back through two speakers. Dolby Pro Logic helps to re-create all of the impact and excitement of a

35、movie theater in your home. Bass + Surround Mode Rear Speakers Stereo/MonoTape/Aux Rear Speakers This system contains three surround modes. Aux Surround ToneCalibrate + THE SOURCE To switch between the three surround modes: Push “Surround Mode” on The Source or THE SOURCE If you are listening to a p

36、rogram in the Dolby Pro Logic Normal or Phantom mode and you wish to turn off the surround speakers: Push “Rear Speakers” on The Source. REMOTE the remote control. Surround Mode Operation CD Open Random Power Volume Skip Search Tune Stereo/Mono Bass + Surround Mode Treble +Tuner Presets Auto Add Tap

37、e/Aux TVAuto Tune AM/FMRepeat Delete Rear Speakers TM Mute Volume CD AM/FM TV Aux Surround ToneCalibrate PowerSleep + + The Source Remote Control ESC350 Simply Cinema OM 9/11/98 2:06 PM Page 15 11 16 For proper Dolby Pro Logic operation, a test tone is used to calibrate the volume settings of the sp

38、eakers. A noise will be heard cycling, in order, from the front left, center, right, and both surround speakers. Using the remote control, push “Tone.” Then adjust the Center and Surround levels until the volume of all the speakers is the same during the test. Note: The test tone is used to calibrat

39、e the performance of the system. When listening to an actual recording, the volume level of the surround channels is generally much lower than that of the front channels. In fact, when listening to a movie, virtually all of the dialogue and a substantial number of the effects are reproduced through

40、the center channel. Test Tone Balance Surround Calibrate + Surround Calibrate + Surround Calibrate + Center-Channel Volume Surround Calibrate + Surround Calibrate + Surround Calibrate + Aux Surround ToneCalibrate + REMOTE Push “Calibrate” on the remote control until “Balance” appears in the display.

41、 REMOTE Push “” on the remote control to adjust the balance toward the left speaker. REMOTE Push “+” on the remote control to adjust the balance toward the right speaker. REMOTE Push “Calibrate” on the remote control until “Center” appears in the display and the corresponding LED on top of the displ

42、ay is lit. REMOTE Push “” on the remote control to decrease the volume of the center channel. REMOTE Push “+” on the remote control to increase the volume of the center channel. THE SOURCE CD Open Random Power Volume Skip Search Tune Stereo/Mono Bass + Surround Mode Treble +Tuner Presets Auto Add Ta

43、pe/Aux TVAuto Tune AM/FMRepeat Delete Rear Speakers TM Mute Volume CD AM/FM TV Aux Surround ToneCalibrate PowerSleep + + The Source Remote Control Rear-Channel Volume Surround Calibrate + Surround Calibrate + Surround Calibrate + REMOTE Push “Calibrate” on the remote control until “Rear” appears in

44、the display and the corresponding LED on top of the display is lit. REMOTE Push “” on the remote control to decrease the volume of the rear channels. REMOTE Push “+” on the remote control to increase the volume of the rear channels. ESC350 Simply Cinema OM 9/11/98 2:06 PM Page 16 12 17 Delay Time Th

45、e delay control allows the user to set the sur- round delay between 15 and 30 milliseconds in one-millisecond increments. The best setting will depend on the distance between the main listening area and the front speakers as well as the distance between the main listening area and the rear speakers.

46、 The chart at the bottom shows the recommended settings. 0 5 10 1520 25 30 35 40 40 35 30 25 20 15 10 5 0 15ms 15ms 15ms 20ms 25ms 30ms 30ms 30ms Distance (in feet) From Front Speakers Distance (in feet) from Rear Speakers Preferable Acceptable Surround Calibrate + Surround Calibrate + Surround Cali

47、brate + REMOTE Push “Calibrate” on the remote control until “Delay” appears in the display and the corresponding LED on top of the display is lit. REMOTE Push “” on the remote control to decrease the delay time. REMOTE Push “+” on the remote control to increase the delay time. CD Open Random Power V

48、olume Skip Search Tune Stereo/Mono Bass + Surround Mode Treble +Tuner Presets Auto Add Tape/Aux TVAuto Tune AM/FMRepeat Delete Rear Speakers TM Mute Volume CD AM/FM TV Aux Surround ToneCalibrate PowerSleep + + The Source Remote Control ESC350 Simply Cinema OM 9/11/98 2:06 PM Page 17 13 18 If there i

49、s no sound from any of the speakers, check the following: Make sure the subwoofer is plugged into an active AC wall outlet. Make sure the Master Power Switch, located on the rear of the subwoofer, is in the “On/Standby” position. Make sure there is a source for example, a VCR or television hooked up to the