SCS 20 sub - JBL Audio Service Tips (repair manual)

scs 20 sub service tips
Model
SCS 20 sub
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
95.71 KB
Type
PDF
Document
Service Tips
Brand
Device
Audio
File
scs-20-sub.pdf
Date

Read JBL SCS 20 sub Service Tips online

 
 
 
JBL      
 
 
 
 
Service Tips
 
 
                               
                                                
   
 
December, 
2002       
 
Harman International SNC - Harman Consumer International   2, route de Tours  72500 Château du Loir  -FRANCE- 
 
 
 
 
  
To:    
All JBL Service Centers 
 
   Models:  
SCS 138, SCS 178, SCSSUB, ATX100S, SUB100 
 
Subject:  
Standby time  
 
 
In the event you receive an above mentioned SUB with the complaint:  
The SUB goes in to standby after short time when the sound level is low, do following action: 
 
The new standby time will be about 10min and the SUB needs lower level to stay in on mode. 
 
1. For SUB100/ATX100S amplifier
 
C233 = 100 uF 
R260 = 4.7 kOhms 
R250 = 22 kOhms 
R249 = 33 kOhms 
Bypassed D215 and D216.  
 
 
2. For JBL SCS138, SCS178 and SCSSUB subwoofer,  
 
R266 = 100k 
C233 = 100 uF 
R260 = 4.7 kOhms 
R250 = 22 kOhms 
R249 = 33 kOhms 
Bypassed D207 and D208 
 
The component is standard component and we recommend that it is purchased locally.   
The resistors is 1/4W and the capacitors is 16V 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Model 
Serial number 
Status 
Action 
SCSSUB, SCS138, SCS178,  
SUB100 ATX100S,  
Before November 2002  
Change in standby time  
See above  
 
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Download JBL SCS 20 sub Service Tips

Here you can read online and download JBL SCS 20 sub Service Tips in PDF. SCS 20 sub service tips will guide through the process and help you recover, restore, fix, disassemble and repair JBL SCS 20 sub Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.