|
|
|
Who's Online
There currently are 5986 guests online. |
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
Very good quality, prompt response. This website has reasonable prices and wide range of manuals that are hard to find.
;
The document was usefull, and it was exactly what I was looking for.
;
OK?..manual is complet and helpfull... for repairing such a old and rare boombox like JVC PCM it is necessary...
;
Super Anleitung. Ordentliche Auflösung. Das ganze noch in Deutsch wäre zu schön. Alle Datenblätter sind sauber Kopiert und alle Leitungswege sind sauber ausgeführt
;
Thanks God for the internet and thanks for the service like this - proffessional solution on time.
TSS-SUB4000
TSS-SUB4000 Test Set Up and Procedure
SYSTEM AURAL SWEEP TEST Equipment needed: � Function/signal generator/sweep generator � Multimeter � RCA cables General Unit Function (UUT = Unit Under Test) Switches/knobs on the amplifier faceplate: Phase switch � either position Low Pass switch � Off RABOS switch � Off 1. From the signal generator, Connect both right and left line level inputs (RCA jacks) � to signal generator and UUT. Use Y-cable if necessary from mono source. 2. On the amplifier, turn the LEVEL control full Counterclockwise (Min). 3. Turn on generator, adjust to 125mV, 50 Hz. 4. Plug in UUT; turn the power switch ON. Turn LEVEL control full Clockwise (Max). 5. LED (on front panel) should now be Green; immediate bass response should be heard and felt from rear port tube opening. Sweep Function 1. Follow steps 1-5 above, using a sweep generator as a signal source. 2. Sweep generator from 20Hz to 1kHz. Listen to the cabinet and drivers for any rattles, clicks, buzzes or any other noises. If any unusual noises are heard, remove woofer and test. Driver Function (Woofer) 1. Remove woofer from cabinet (follow steps on exploded view page); detach + and - wire clips. 2. Check DC resistance of woofer; it should be 3.5 ohms±10%. 3. Connect a pair of speaker cables to driver terminals. Cables should be connected to an integrated amplifier fed by a signal generator. Turn on generator and adjust so that speaker level output is 5.0V. 4. Sweep generator from 20Hz to 1kHz. Listen to driver for any rubbing, buzzing, or other unusual noises.
9
|
|
|
> |
|
