JBL CS Series Service Manual
4 channel power amplifier
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Also See for CS Series:
- Owner's manual (4 pages) ,
- Service manual (22 pages) ,
- Owner's manual (4 pages)
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Summary of Contents for JBL 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 (305mm x 254mm x 57mm) Fuses: 25A x 2 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.
- Page 3 CS Series 50.4 APPLICATIONS – CS200.1 The CS subwoofer amplifier is a single-channel amplifier. There are two sets of terminals to make it easy to connect multiple woofers. Either set of (+/–) terminals may be used when connecting woofers. To the right are two application diagrams to help plan your subwoofer system installation.
- Page 4 CS Series 50.4 CONTROLS AND SETUP SETTING THE SETTING INPUT CROSSOVER(S) SENSITIVITY Determine your system plans and set 1. Initially turn the INPUT LEVEL control(s) the crossover mode switch accordingly. to minimum (counter clockwise). If your system design does not include 2.
- Page 5 CS Series 50.4...
- Page 6 Block Diagram CS50.4 CS Series 50.4 MAIN AMP MODE HP/FLAT/LP BOOST FRONT L BALANCED VARIABLE LPF/HPF 2 ohm/4 ohm VARIABLE INPUT INPUT (UNIT GAIN) 32Hz--320Hz/12dB 0dB--6dB/45Hz FRONT L 10 320 10 50 SPEAKER AUX OUT FRONT L+ REAR L MAIN AMP...
- Page 7 CS Series 50.4...
- Page 8 CS Series 50.4...
- Page 9 CS Series 50.4...
- Page 10 CS Series 50.4...
- Page 11 CS Series 50.4 CS 50.4 Electrical Parts List Part Number Description Qty Reference Designator Main PCB Semiconductors Q2,4,5,16,17,Q138,238,338,438,Q140,240,340,440,Q135, 124TN4401 Transistor MOTOROLA 2N4401 235,335,435,R143,243,343,443 124TN4403 Transistor MOTOROLA 2N4403 Q6,9,10,Q136,2326,336,436,Q137,237,337,437 124T0SA06 Transistor MOTOROLAMPSA06 80V Q145,245,345,445 124T0SA56 Transistor MOTOROLAMPSA56 80V Q139,239,339,439 125T0C945 Transistor NEC 2SC945P 0.1A60V...
- Page 12 CS Series 50.4 Part Number Description Qty Reference Designator 220880302 Resistor RD 1/8W 3K R39 R38 R18 R9 220880363 Resistor RD 1/8W 36K 220880392 Resistor RD 1/8W 3.9K 220880470 Resistor RD 1/8W 47Ω R145,245,345,445 R158,258,358,458 220880472 Resistor RD 1/8W 4.7K...
- Page 13 CS Series 50.4 Part Number Description Qty Reference Designator Crossover PCB 220880000 Resistor RD 1/8W 0Ω NP1~4 NP10 NP22 NP25 NP30 NP33-34 NP36-37 NP39 220880102 Resistor RD 1/8W 1K R119,219,319,419 R104,204,304,404 R106,206,306,406 R107,207,307,407 220880103 Resistor RD 1/8W 10K R114,214,314,414 220880223...
- Page 14 CS Series 50.4 Semiconductor Pinouts...
- Page 15 CS Series 50.4 RCA1A CH1 RCA IN C100 IC101A JRC4558 R101 R103 R104 C101 22u/50v HIGH-1 R100 R115 C106 101/C SW100A C102 101/C VR101A JRC4558 R102 R110 B20K B20K C104 JRC4558 C107 IC104B VR102A VR102B C108 823/M R119 IC101B R106...
- Page 16 CS Series 50.4 RCA1C CH3 RCA IN C300 IC301A JRC4558 R301 R303 R304 C301 22u/50v HIGH-3 R300 R315 C306 101/C SW200A C302 101/C VR201A JRC4558 R302 R310 B20K B20K C304 IC304B JRC4558 C307 R319 IC301B VR202A VR202B C308 823/M R306...
- Page 17 CS Series 50.4 D135 +VCC 1N4002 Q141 R145 R154 C135 D1859 R137 PROTECT Q139 Q142 2N6488 C137 101/c R151 C144 R141 Q138 C136 Q143 R136 Q135 4401 R146 2.7K 4401 4.7K R149 47/C 0.2\5W R153 4401 R138 100 R142 100...
- Page 18 CS Series 50.4 D335 +VCC R345 1N4002 C335 R354 R337 PROTECT Q341 D1859 Q339 Q342 C337 2N6488 101/c R351 C344 Q338 Q343 R341 C336 R336 Q335 4401 R346 2.7K 4401 4.7K R349 C338 47/C 0.2\5W R353 4401 R338 100 R342 100...
- Page 19 CS Series 50.4 F1A 25A OUT4 +12VB 220K B1238 +12VB +12V Battery OUT3 F1B 25A 220K 104/C 1000U/35 1000U/35 104/C 5402 1000u/35 1U/50V OUT2 220K POWER-GND 56K 1% 10.5K1% OUT1 220K PROTECT 4403 D16* LM358 104/C 4148 10/0.25W PROTECT DCPROTECT 4148 5.6V...
- Page 20 CS Series 50.4...
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