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Summary of Contents for JBL 1201.1
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Page 1: Channel Power Amplifier
GTO Series 1201.1 1201.1II 1 CHANNEL POWER AMPLIFIER SERVICE MANUAL JBL Consumer Products 250 Crossways Park Dr. Woodbury, New York 11797 Rev2aa10/2005... -
Page 2: Table Of Contents
(474mm x 313mm x 60mm) Fuses: 40A x 3 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: Features/Test Conditions
GTO 1201.1/1201.1II... -
Page 4: Installation
We recommend listening at low or in a drill bit. and require a heavy-duty and reliable should be made using a minimum of moderate levels while driving your car. JBL connection to the vehicle’s electrical system 16-gauge wire. • When routing cables, keep input-signal accepts no liability for hearing loss, bodily in order to perform optimally. -
Page 5: Connections
GTO 1201.1/1201.1II CONNECTIONS GTO1201.1/GTO1201.1II – The GTO subwoofer amplifiers are single-channel amplifiers. 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... -
Page 6: Set-Up/Controls
GTO1201.1/1201.1II INSTALLATION AND SETUP SETTING THE SETTING INPUT REMOTE LEVEL CONTROL INSTALLING NEON TUBES All three GTO subwoofer CROSSOVER(S) SENSITIVITY (OPTIONAL) Determine your system plans and set the 1. Initially turn the INPUT LEVEL control(s) amplifiers have inputs for an optional 1. -
Page 7: Basic Troubleshooting
GTO 1201.1/1201.1II INSTALLATION AND SETUP To Neon Power Supply To Neon Power Supply Figure 13. Installing neon tubes in a JBL GTO amplifier. TROUBLESHOOTING SYMPTOM LIKELY CAUSE SOLUTION SYMPTOM LIKELY CAUSE SOLUTION No audio No voltage at BATT+ Check voltages at... -
Page 8: Typical System Wiring
GTO 1201.1/1201.1II Grand Touring Grand Touring... -
Page 9: Exploded View/Parts List
GTO 1201.1/1201.1II... -
Page 10: Mechanical Parts List
GTO 1201.1/1201.1II GTO 1201.1/1201.1II Mechanical Parts List... -
Page 11: Amplifier Block Diagram
GTO 1201.1/1201.1II GTO 1201.1/1201.1II BLOCK DIAGRAM... -
Page 12: Drawings
GTO 1201.1/1201.1II... - Page 13 GTO 1201.1/1201.1II...
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Page 19: Version Ii Electrical Parts List Addendum
GTO 1201.1 Version II Electrical Parts List Addendum The following chart below represents the only electrical parts differences in Version I and II models: MODEL PART NAME PART NO SPEC DESIGNATOR GTO 1201.1 RESISTOR RES-00-00756 1/5WJ 820 OHM R116 GTO 1201.1II... -
Page 20: Ic/Transistor Pinouts
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Page 26: Gto 1201.1 Schematics
GTO 1201.1 Page1 Schematic... - Page 27 GTO 1201.1 Page2 Schematic...
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Page 29: Gto 1201.1Ii Schematics
GTO 1201.1II Page1 Schematic GTO 1201.1II... - Page 30 GTO 1201.1II Page2 Schematic GTO 1201.1II...
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Page 32: Packing
GTO 1201.1/1201.1II Item Part Number Description BOX-36-147AB GTO 1201.1 Gift box carton BOX-36-147AD GTO 1201.1II Gift box carton INN-42-004A0 End Pads GTO 1201.1 Owner’s manual MAN-00-0195A (USA) GTO 1201.1II Owner’s manual MAN-01-0195Z (USA) GTO 1201.1 Owner’s manual MAN-00-0196A (Europe) CAR-WA-004A...
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Questions and answers
Red power light is on blue light is flashing very fast but no sound