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CS Series 

50.4

 

 

4 CHANNEL POWER AMPLIFIER 

 

SERVICE MANUAL

 

 
 
 

 

 
 
 
 

JBL Consumer Products 
250 Crossways Park Dr. 

Woodbury, New York   11797    Rev0 

 

3/2004 

Summary of Contents for CS Series

Page 1: ...CS Series 50 4 4 CHANNEL POWER AMPLIFIER SERVICE MANUAL JBL Consumer Products 250 Crossways Park Dr Woodbury New York 11797 Rev0 3 2004...

Page 2: ...e 1W into 4 ohms Dynamic power 145W 2 ohms Effective damping factor 6 395 4 ohms Frequency response 10Hz 27kHz 3dB Maximum input signal 6V Maximum sensitivity 240mV Bass boost 45Hz Variable 0 6dB DC O...

Page 3: ...d Figure 3 CS subwoofer amplifier with one woofer connected Figure 4 CS50 4 amplifier in 4 channel stereo operation to drive front and rear full range speakers Figure 5 CS50 4 is set up for 3 channel...

Page 4: ...tch accordingly If your system design does not include a subwoofer with the CS50 4 set the crossover mode to FLAT and skip to Setting Input Sensitivity Initially set the crossover frequency control mi...

Page 5: ...4 CS Series 50 4...

Page 6: ...hm 4 ohm Ap Ap Ap Ap MODE HP FLAT LP MODE HP FLAT LP 10 320 20K 10 50 20K Ap Ap VARIABLE LPF HPF 32Hz 320Hz 12dB VARIABLE 0dB 6dB 45Hz Ao SPEAKER BALANCED INPUT UNIT GAIN MAIN AMP 2 ohm 4 ohm 10 320 2...

Page 7: ...6 CS Series 50 4...

Page 8: ...7 CS Series 50 4...

Page 9: ...8 CS Series 50 4...

Page 10: ...9 CS Series 50 4...

Page 11: ...N6491 80V 4 Q147 247 347 447 135T1620C Diode DIODE MOTOROLA 1620CT 1 D8 135T1620R Diode DIODE MOTOROLA 1620CTR 1 D10 Resistors 220220220 Resistor RD 1 2W 22 1 R37 22022047A Resistor RD 1 2W 4 7 4 R152...

Page 12: ...C35 31Z510410 Capacitor C C Y5V 0 1UF 100V Z 8 C32 C31 C6 C7 C8 C9 C10 C11 31J522110 Capacitor C C NPO 220PF 100V 2 C13 C12 31J547010 Capacitor C C NPO 47PF 100V J 16 C136 236 336 436 C142 242 342 442...

Page 13: ...1 220880682 Resistor RD 1 8W 6 8K 4 R118 218 318 418 31J510110 Capacitor C C NPO 100PF 100V J 4 C106 206 306 406 31Z510410 Capacitor C C Y5V 0 1UF 100V Z 2 CN3 CN4 31K547110 Capacitor C C Y5E470PF 100...

Page 14: ...13 CS Series 50 4 Semiconductor Pinouts...

Page 15: ...4558 2 3 1 IC101A JRC4558 R219 1K R221 5 6K C211 471 C C209 184 MET R220 1 8K R222 3 9K R225 470K C210 393 MET R214 10K R218 6 8K R213 750 R212 15 2K C201 101 C C205 10P C C207 823 M C200 22u 50v C208...

Page 16: ...2P3T 1 VR202A B20K 1 VR203A B20K 1 VR202B B20K 6 5 7 IC301B JRC4558 2 3 1 IC304A JRC4558 6 5 7 IC303B JRC4558 6 5 7 IC304B JRC4558 6 5 7 IC305B JRC4558 1 VR201A 20K 2 3 1 IC305A JRC4558 R419 1K R421 5...

Page 17: ...220 R135 10K VCC VCC 1 MUTING CH1 D136 1N4002 D135 1N4002 R152 4 7 0 5W C143 104 M C140 100U 50V C135 100U 50V CH1 OUTL2 Q235 4401 Q238 4401 Q243 4401 Q242 2N6488 Q245 A06 Q240 4401 Q241 D1859 Q236 4...

Page 18: ...NG CH4 D436 1N4002 D435 1N4002 R452 4 7 0 5W C443 104 M C440 100U 50V C435 100U 50V CH4 OUT3 Q335 4401 Q338 4401 Q343 4401 Q342 2N6488 Q345 A06 Q340 4401 Q341 D1859 Q336 4403 Q337 4403 Q339 A56 Q346 B...

Page 19: ...00 50V C17 1000u 35 C16 1000U 35 C7 104 C 1 F1A 25A 1 2 3 J1 3P 12 PRO 1 2 3 4 5 6 7 8 J2 8P Q5 4401 Q4 4401 R3 100K C18 NP100U 16V R34 47K PROTECT R4 220K R2 220K R6 220K R5 220K 2 1 4 3 RTH1 10K Q14...

Page 20: ...19 CS Series 50 4...

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