CS300.1 - JBL Car Audio Service Manual (repair manual). Page 2

Read JBL CS300.1 Service Manual online

 
-  CONTENTS  - 
 
SPECIFICATIONS ………………………………….……..1 
PACKAGING……..…………………………………….......2 
CONNECTIONS………………….……...……..…...…..…3 
SET-UP/CONTROLS ……..………………..…….….…...4 
BASIC TROUBLESHOOTING..…….…….………………4 
EXPLODED VIEW/PARTS LIST…….….….…………....5 
AMPLIFIER BLOCK DIAGRAM…………………….……6 
P.C.B. DRAWINGS….……………………………….…….7 
ELECTRICAL PARTS LIST ..……….……….…….….…9 
IC/TRANSISTOR PINOUTS..……..….…….….….….….12 
SCHEMATICS………..…………………………….……..13 
 
 
CS300.1 Specifications 
 
Output Power:  
 
 
236W RMS x 1 channel @ 4 ohms, ≤1% THD + N 
(14.4V supply)  
 
 
338W RMS x 1 channel @ 2 ohms, ≤1% THD + N 
Signal-to-noise ratio:  
 
100dBA (reference 1W into 4 ohms) 
Dynamic power:  
 
 
464W @ 2 ohms 
Effective damping factor:    
6.395 @ 4 ohms 
Frequency response:  
 
10Hz – 320Hz (–3dB) 
Maximum input signal:  
 
7.5V 
Maximum sensitivity:  
 
260mV 
Bass boost (45Hz)    
 
Variable 0 – 6dB 
DC 
Offset 
 
   <30mV 
Output regulation:   
 
 .073dB @ 4 ohms 
Idle 
Current 
 
   0.71A 
Input 
Impedance 
 
  20kΩ 
Max Current Draw    
 
23A @ 4 ohms 
42A @ 2 ohms 
Dimensions: 
 
   
12 x 10 x 2 1/4” 
(L x W x H) 
(305mm x 254mm x 57mm) 
Fuses: 
    20A 
 
 
JBL continually strives to update and improve existing products, as well as create new ones. The specifications and 
details in this and related JBL publications are therefore subject to change without notice. 
 
 
CS Series 300.1
 
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