Related Manuals for JBL PX300.4
Summary of Contents for JBL PX300.4
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Page 1: Channel Power Amplifier
PX300.4 4 CHANNEL POWER AMPLIFIER SERVICE MANUAL JBL Consumer Products 250 Crossways Park Dr. Woodbury, New York 11797 Rev1 2/2004... -
Page 2: Table Of Contents
Depth 2 9/16” (66mm) JBL continually strives to improve its products. New materials, production methods and design refinements are introduced into existing models without notice as a routine expression of our design philosophy. For this reason, Power Series Multichannel Automotive Amplifiers may differ in some respects from their published specifications and descriptions, but will always equal or exceed the original specifications unless otherwise stated. -
Page 5: Applications
PX300.4 Power Amplifier APPLICATIONS – Px300.4 The JBL Px300.4 amplifier can be set up for stereo or tri-mode operation, as shown in Figures 6 and 7. NOTE: For simplicity, Figures 6 and 7 do not show power, remote and input Figure 6. -
Page 7: Troubleshooting
PX300.4 Power Amplifier TROUBLESHOOTING SYMPTOM LIKELY CAUSE SOLUTION No audio No voltage at BATT+ Check voltages at (POWER LED or REM terminals, amplifier terminals is off) or bad or no ground with VOM connection No audio DC voltage on Amplifier may need... -
Page 10: Parts List
TRS-00-00087 TRANSISTOR SMALL SIGNAL PNP KTA1023Y Q16,133,233,333,433 TRS-00-00088 TRANSISTOR SMALL SIGNAL NPN KTC1027Y Q143,243,343,443 TRS-00-00090 TRANSISTOR SMALL SIGNAL PNP KTA1266GR Q1,2,5,6,12.13 TRS-00-00091 TRANSISTOR SMALL SIGNAL PNP KTA1268GR Q4,141,142,241,242,341,342,441,442 TRS-00-00110 TRANSISTOR SMALL SIGNAL NPN KTC3198GR Q11,14,15,152,252 TRS-00-00109 TRANSISTOR SMALL SIGNAL NPN KTC3198BL TRS-00-00111 TRANSISTOR... - Page 11 ELC-00-00116 CAPACITOR ELECTROLYTIC "SE" 2.2uF/50V C801,802 ELC-00-00626 CAPACITOR ELECTROLYTIC "SE" 10uF/50V C103,107,131,203,207,231,307,331,431,407 ELC-00-00160 CAPACITOR ELECTROLYTIC "SG" "SMS" 4.7uF/50V ELC-00-00125 CAPACITOR ELECTROLYTIC "SG" "SMS" 10uF/16V ELC-00-00137 CAPACITOR ELECTROLYTIC "SG" "SMS" 10uF/25V ELC-00-00127 CAPACITOR ELECTROLYTIC "SG" "SMS" 22uF/16V C101,102,201,202,301,302,401,402 ELC-00-00130 CAPACITOR ELECTROLYTIC "SG" "SMS" 47uF/16V C3,8.15 ELC-00-00159 CAPACITOR...
- Page 12 PAN-06-561AA PANEL FRONT EGI,1.2t BLACK SPRAY(SANDTON) PAN-06-564AA PANEL REAR EGI,1.2t BLACK SPRAY(SANDTON) COV-22-623B0 WINDOW ACRYLIC,3.0t BAD-01-515AA BADGE LOGO:JBL,MODEL NAME: SILK 1 FOO-01-504B0 FOOT MOUNTING ADC-7(DIE CASTING) COV-22-549AA LENS (WITH SILKSCREEN) ACRYLIC COV-22-549A0 LENS (WITHOUT SILKSCREEN) ACRYLIC ILL-22-503A0 INDICATOR ACRYLIC(CLEAR) BKT-14-522A0...
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Page 13: Block Diagrams
PX300.4 Power Amplifier... -
Page 17: Exploded View
Ref# Description Part Number HEAT SINK MAIN AL/EXTRUSION (L=430mm) HEA-01-574A0 FRONT PANEL EGI 1.2T PAN-06-561A0 REAR PANEL EGI 1.2T PAN-06-564A0 WINDOW ACRYLIC 4.0T COV-22-623B0 BADGE AL BAD-01-515A0 MOUNTING FOOT ADC-7 DIE CASTING FOO-01-504B0 LENS, ACRYLIC (WITH SILKSCREEN) COV-22-549AA LENS, ACRYLIC (WITHOUT SILKSCREEN) COV-22-549A0 INDICATOR ACRYLIC (CLEAR) ILL-22-503A0... - Page 19 PX300.4...
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