DOWNLOAD JBL SCS 178 Sub (serv.man5) Service Manual ↓ Size: 95.71 KB | Pages: 1 in PDF or view online for FREE

Model
SCS 178 Sub (serv.man5)
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-178-sub-sm5.pdf
Date

JBL SCS 178 Sub (serv.man5) Service Tips ▷ View 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  
 
Display

JBL SCS 178 Sub (serv.man5) Service Tips ▷ Download

  • DOWNLOAD JBL SCS 178 Sub (serv.man5) Service Manual ↓ Size: 95.71 KB | Pages: 1 in PDF or view online for FREE
  • Here you can View online or download the Service Tips for the JBL SCS 178 Sub (serv.man5) in PDF for free, which will help you to disassemble, recover, fix and repair JBL SCS 178 Sub (serv.man5) Audio. Information contained in JBL SCS 178 Sub (serv.man5) Service Tips (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.