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GT5-A402
GT5-S422
2 CHANNEL POWER AMPLIFIER
SERVICE MANUAL
JBL Consumer Products
250 Crossways Park Dr.
GT5-A402 Released 2007 Woodbury, New York 11797
Discontinued XXXX
GT5-S422 Released 2009 Rev1 4/2009
Discontinued XXXX
GT5-A402, GT5-S422
- CONTENTS -
SPECIFICATIONS ...............................................1
PACKING............................................................2
CONTROL/INSTALLATION DRAWINGS..................3
CONTROL/INSTALLATION INSTRUCTIONS.............4
BASIC TROUBLESHOOTING.................................5
EXPLODED VIEW/PARTS LIST...............................6
AMPLIFIER BLOCK DIAGRAM...............................7
P.C.B. DRAWINGS................................................8
ELECTRICAL PARTS LIST ...................................10
IC/TRANSISTOR PINOUTS....................................13
SCHEMATICS......................................................14
Specifications
GT5-A402 Output Power: 40W RMS x 2 channels @ 4 ohms; 1% THD + N
(14.4V supply) 60W RMS x 2 channels @ 2 ohms; 1% THD + N
120W RMS x 1 channel (bridged) @ 4 ohms; 1% THD + N
GT5-S422 Output Power: 45W RMS x 2 channels @ 4 ohms; 1% THD + N
(14.4V supply) 70W RMS x 2 channels @ 2 ohms; 1% THD + N
120W RMS x 1 channel (bridged) @ 4 ohms; 1% THD + N
Signal-to-noise ratio: 85dBA (reference 1W into 4 ohms)
101dBA (reference rated power into 4 ohms)
GT5-A402 Total Peak power: 240W
GT5-S422 Total Peak power: 300W
Frequency response: 10Hz