JBL GTO752 Service Manual
2 channel power amplifier
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Also See for GTO752:
- Owner's manual (8 pages) ,
- Specifications (2 pages) ,
- Owner's manual (8 pages)
Related Manuals for JBL GTO752
Summary of Contents for JBL GTO752
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Page 1: Channel Power Amplifier
GTO752 2 CHANNEL POWER AMPLIFIER SERVICE MANUAL JBL Consumer Products 250 Crossways Park Dr. Woodbury, New York 11797 Rev1 1/2008 Released 2007 Discontinued XXXX... -
Page 2: Basic Troubleshooting
12 1/4 x 10 3/8 x 2 1/8” (310 x 263 x 53mm) Fuses: 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 GTO752...
- Page 4 GTO752 10-3/8" 263mm 12-1/4" 310mm 2-1/8" 53mm...
- Page 5 GTO752 GTO752 CAR AUDIO POWER AMPLIFIER OWNER’S MANUAL 0 Speaker Output Connectors 7 Crossover-Filter Selector Installation Warnings and Tips • Connect the speakers to these terminals, • LPF: Select for subwoofer(s). • Disconnect the negative (–) lead from your vehicle’s observing proper polarity.
- Page 6 GTO752 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.
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Page 7: Exploded View
GTO752 EXPLODED VIEW Part Number Part Number Trans. Clamp Trans. Clamp Trans. Clamp 1380-0206-00 RCA Cap (Red) RCA Cap (Wht) Front Plate Standoff... - Page 8 GTO752 BLOCK DIAGRAM INPUT L 100K 100K 4 ohm/2 ohm speaker MODE HP/FLAT/LP BASS BOOST MAIN AMP VARIABLE LPF/HPF VARIABLE FRONT L 32Hz-320Hz/12dB 0dB-6dB/50Hz BTL-4ohm speaker MODE HP/FLAT/LP BASS BOOST MAIN AMP VARIABLE LPF/HPF VARIABLE FRONT R 32Hz-320Hz/12dB 0dB-6dB/50Hz 100K...
- Page 9 GTO752 GTO752 Electrical Parts List Part Number Description Reference Designator MAIN PCB Resistors 0702-34R7-02 Resistor 1/2W 4.7Ω ±5% R25B R25C 0702-3220-02 Resistor 1/2W 22Ω ±5% R46 R20 R19 0702-2221-02 Resistor 1/4W 220Ω ±5% R20B R20C 0702-1220-02 Resistor 1/8W 22Ω ±5%...
- Page 10 GTO752 Description Part Number Reference Designator MAIN PCB 06D328237200 Capacitor 823/100V ±5% C104A C105A C102A C103A 06D232207000 porcelin Cap 22pF/100V ±20% C101A C100A C109A C108A 06D231007001 porcelin Cap 10PF/100V ±20% 105℃ C227 C226 C215 C214 C225 C222 C221 C220 C219 C218 C3C C3B C2C C2B...
- Page 11 GTO752 Part Number Description Reference Designator MAIN PCB PL-A0050-000 Alum. Bar with Insulated paper 14.0x7.0x40.0 PL-A0049-000 Alum. Bar with Insulated paper 14.0x7.0x60.0 PWM PCB Resistors 0701-2221-03 SMD resistor SMD 220Ω 1/8W ±1% 0805 0701-2101-03 SMD resistor SMD 100Ω 1/8W ±1% 0805...
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- Page 15 1 M H CH1OUT 2200U/35V 100K C1815 100U/25V C1815 100U 4.7K DESCRIPTON DW GNO: ECN NO APPROVED DATA DESCRIPTON PART NO: PART NAME: SCALE: DRAWN BY: DATA: POWER UNIT: CHECKED BY: DATA: PRODUCT MODE: SIZE: APPROVED BY: DATA: JBL GTO752 REV:...
- Page 16 4148 47/16V 100K 4148 102/M 100/25V CON4 100K PRO LED C1815 ECN NO DESCRIPTON APPROVED DATA DW GNO: PART NO: PART NAME: SCALE: DRAWN BY: DATA: POWER1 UNIT: CHECKED BY: DATA: PRODUCT MODE: SIZE: APPROVED BY: DATA: JBL GTO752 REV:...
- Page 17 4148 Q11B Q12B Q13B B647 TIP36C 2N5551 391/100V -VCC -VCC R26B ECN NO DESCRIPTON APPROVED DATA DW GNO: PART NO: PART NAME: SCALE: DRAWN BY: DATA: AMP-1CH UNIT: CHECKED BY: DATA: PRODUCT MODE: SIZE: APPROVED BY: DATA: JBL GTO752 REV:...
- Page 18 4148 Q11C Q12C Q13C B647 TIP36C 2N5551 391/100V -VCC -VCC R26C ECN NO DESCRIPTON APPROVED DATA DW GNO: PART NO: PART NAME: SCALE: DRAWN BY: DATA: AMP-2CH UNIT: CHECKED BY: DATA: PRODUCT MODE: SIZE: APPROVED BY: DATA: JBL GTO752 REV:...
- Page 19 4558 R109A 4558 C130 6.8K R114A VR101B R128 ECN NO APPROVED DATA DW GNO: DESCRIPTON PART NO: PART NAME: SCALE: DRAWN BY: DATA: 2007/07/17 zeng xin hua UNIT: CHECKED BY: DATA: PRODUCT MODE: SIZE: APPROVED BY: DATA: JBL GTO752 REV:...