JBL GTO504 Service Manual
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JBL GTO504 Service Manual

4 channel power amplifier
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See also: Owner's Manual

4 CHANNEL POWER AMPLIFIER

Released 2007
Discontinued XXXX
GTO504

SERVICE MANUAL

JBL Consumer Products
250 Crossways Park Dr.
Woodbury, New York 11797
Rev0 11/2007

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Summary of Contents for JBL GTO504

  • Page 1: Channel Power Amplifier

    GTO504 4 CHANNEL POWER AMPLIFIER SERVICE MANUAL JBL Consumer Products 250 Crossways Park Dr. Woodbury, New York 11797 Rev0 11/2007 Released 2007 Discontinued XXXX...
  • Page 2 13 13/16 x 10 3/8 x 2 1/8” (350 x 263 x 53mm) Fuses: (2) x 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.
  • Page 3 GTO504...
  • Page 4 GTO504 10-3/8" 263mm 13-13/16" 350mm 2-1/8" 53mm...
  • Page 5 GTO504 CAR AUDIO POWER AMPLIFIER OWNER’S MANUAL 0 Speaker Output Connectors 7 Front Crossover-Filter Selector Installation Warnings and Tips: • Connect the speakers to these terminals observ- • LPF – Select for subwoofer(s). • Always wear protective eyewear when using tools.
  • Page 6 GTO504 Amplifier Troubleshooting Guide 1. Status LED on Amplifier not Lit - Head Unit (Source) Turned ON Verify: A. Remote turn-on wire from source to amplifier has proper voltage B. Power (B+) connections at amplifier, terminal blocks, and battery are secure C.
  • Page 7 GTO504 Part Number Part Number Trans. Clamp Trans. Clamp Trans. Clamp 1380-0206-00 Front Plate Standoff RCA CAP (red) RCA CAP (Wht) Standoff...
  • Page 8 GTO504 INPUT RL 100K 100K 4 ohm/2 ohm speaker MODE HP/FLAT/LP BASS BOOST MAIN AMP VARIABLE LPF/HPF VARIABLE REAR RL 32Hz-320Hz/12dB 0dB-6dB/50Hz BTL-4ohm speaker MODE HP/FLAT/LP BASS BOOST MAIN AMP VARIABLE LPF/HPF VARIABLE REAR RR 32Hz-320Hz/12dB 0dB-6dB/50Hz 100K 100K 4 ohm/2 ohm...
  • Page 9 GTO504 GTO504 Electrical Parts List Description Part Number Reference Designator MAIN PCB Resistors 0702-34R7-02 R25A R25B R25C R25D Resistor 1/2W 4.7Ω ±5% 0702-3220-02 R46 R19 R20 Resistor 1/2W 22Ω ±5% 0702-2221-02 R20A R20B R20C R20D Resistor 1/4W 220Ω ±5% 0702-2392-02 Resistor 1/4W 3.9KΩ...
  • Page 10 GTO504 Description Part Number Reference Designator MAIN PCB 03P1-B647-01 Q12A Q12B Q12C Q12D Transistor 2SB647 1A 120V 0.9W PNP TO-92 03N1-SA06-01 Q11A Q11B Q11C Q11D Transistor MPSA06 NPN TO-92 03N1-SA13-01 Q3A Q3B Q3C Q3D Transistor MPSA13 0.5A 30V NPN TO-92...
  • Page 11 GTO504 Description Part Number Reference Designator PREAMP/INPUT PCB 06D325637000 C107 C130 Capacitor 563/100V ±5% 06D328237200 C103 C103A C105 C105A C102 C102A C104 C104A Capacitor M/C823/100V ±5% C223 C224 C9 C10 C218 C219 C220 C221 C222 06S321016000 SMD Capacitor SMD 100pF/50V 0805 NPO ±5%...
  • Page 12 GTO504 Description Part Number Reference Designator PWM PCB 03P1-1015-01 Q9 Q8 Transistor 2SA1015 150MA 60V 400MW PNP TO-92 Miscellaneous 1501-0409-02 CN2 CN1 socket PITCH 2.54mm 4PIN 90· LED PCB 0701-3102-02 R1 R2 R3 R4 R5 R6 R7 R8 resistor SMD 1KΩ 1/4W ±5% 1206...
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  • Page 20 CC22P +-5% 0805 C223 C224 CC101P +-5% 0805 C223 C224 07-07-17 PART NO: C9 C10 07-07-17 TAN.SHI.CHUAN PART NAME: SCALE: DRAWN BY: DATA: 2007.07.12 ADD CC101P +-5% 0805 SING UNIT: CHECKED BY: DATA: PRODUCT MODE: SIZE: APPROVED BY: DATA: JBL GTO504 REV:...
  • Page 21 C109A R113A CC22P C131 R109A R114A C130 VR101B ECN NO APPROVED DATA DW GNO: DESCRIPTON PART NO: R128 PART NAME: SCALE: DRAWN BY: TAN.SHI.CHUAN DATA: 2007.07.17 SING UNIT: CHECKED BY: DATA: PRODUCT MODE: SIZE: APPROVED BY: DATA: JBL GTO504 REV:...
  • Page 22 Q12A B647 TIP36C 391/100V -VCC -VCC R26A DESCRIPTON DATA Place DESCRIPTON APPROVED DATA DW GNO: Place PART NO: TAN.SHI.CHUAN 2007.07.17 PART NAME: SCALE: DRAWN BY: DATA: AMP-1CH UNIT: CHECKED BY: DATA: PRODUCT MODE: SIZE: APPROVED BY: DATA: JBL GTO504 REV:...
  • Page 23 Q12B B647 TIP36C 391/100V -VCC -VCC R26B DESCRIPTON DATA Place DESCRIPTON APPROVED DATA DW GNO: Place PART NO: TAN.SHI.CHUAN 2007.07.17 PART NAME: SCALE: DRAWN BY: DATA: AMP-2CH UNIT: CHECKED BY: DATA: PRODUCT MODE: SIZE: APPROVED BY: DATA: JBL GTO504 REV:...
  • Page 24 Q12C B647 TIP36C 391/100V -VCC -VCC R26C DESCRIPTON DATA Place DESCRIPTON APPROVED DATA DW GNO: Place PART NO: TAN.SHI.CHUAN 2007.07.17 PART NAME: SCALE: DRAWN BY: DATA: AMP-3CH UNIT: CHECKED BY: DATA: PRODUCT MODE: SIZE: APPROVED BY: DATA: JBL GTO504 REV:...
  • Page 25 Q12D B647 TIP36C 391/100V -VCC -VCC R26D DESCRIPTON DATA Place DESCRIPTON APPROVED DATA DW GNO: Place PART NO: TAN.SHI.CHUAN 2007.07.17 PART NAME: SCALE: DRAWN BY: DATA: AMP-4CH UNIT: CHECKED BY: DATA: PRODUCT MODE: SIZE: APPROVED BY: DATA: JBL GTO504 REV:...
  • Page 26 100K CH1OUT 100U CON8 3.3K SPEAKER OUT DESCRIPTON DATA Place DESCRIPTON APPROVED DATA DW GNO: Place PART NO: PART NAME: SCALE: DRAWN BY: TAN.SHI.CHUAN DATA: 2007.07.17 POWER UNIT: CHECKED BY: DATA: PRODUCT MODE: SIZE: APPROVED BY: DATA: JBL GTO504 REV:...
  • Page 27 102/M 100/25V CON4 100K PRO LED C1815 DESCRIPTON DATA Place DESCRIPTON APPROVED DATA DW GNO: Place PART NO: TAN.SHI.CHUAN 2007.07.17 PART NAME: SCALE: DRAWN BY: DATA: POWER UNIT: CHECKED BY: DATA: PRODUCT MODE: SIZE: APPROVED BY: DATA: JBL GTO504 REV:...

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