JBL PB12 Service Manual

Electrical Parts List - PB12
PB12 POWERAMP PCB Version 6.3.
Part# Designator Description
50100 BR RECT RS604 6AMP Bridge rectifier
50105 D1 1N4744A 15V 1w Zener
50112 D10 1N5242B 12V .5w Zener
50104 D11 1N4148 Sig Diode
50112 D12 1N5242B 12V .5w Zener
50104 D13 1N4148 Sig Diode
50104 D14 1N4148 Sig Diode
50105 D2 1N4744A 15V 1w Zener
50114 D3 1N5265B 62V .5w Zener
50104 D4 1N4148 Sig Diode
50113 D5 1N4735A 6.2V 1W
50103 D6 1N5234B 6V .5w Zener
50104 D7 1N4148 Sig Diode
50104 D8 1N4148 Sig Diode
60157 Q1 2N5457 25V N-chnl FET
60155 Q10 2N5401 120V PNP 600mA
60155 Q11 2N5401 120V PNP 600mA
60156 Q12 2N4401 40V NPN 600mA
60102 U1 TLO64 Quad OpAmp
Capacitors
30710 C1 2200uF 100V +80 / -20 Electrolytic 105C
30718 C10 4u7F 100V BP/NP Electr DF<.1
30523 C11 330nF 100V mono ceramic
30710 C2 2200uF 100V +80 / -20 Electrolytic 105C
30532 C20 220nF 250V metallized polyester
30502 C21 100nF 50V mono ceramic
30502 C22 100nF 50V mono ceramic
30527 C24 330nF 50V mono ceramic
C25 NOT USED
30508 C26 10nF 50V mono ceramic
30513 C27 3n3F 50V mono ceramic
30502 C3 100nF 50V mono ceramic
30711 C32 22uF 35V +80/-20 Electrolytic
30715 C40 10uF 16V +80/-20 Electrolytic
30716 C41 1uF 16V +80/-20 Electrolytic
30717 C42 100uF 16V +80/-20 Electrolytic
30502 C6 100nF 50V mono ceramic
30521 C7A 100nF 250V ceramic/film
30521 C7B 100nF 250V ceramic/film
CW NOT USED
30505 CZ 100nF 100V ceramic/film
10

JBL PB12 Specifications

General

Type	Powered
Woofer Size	12 inches
Frequency Response	150 Hz
Enclosure Type	Bass Reflex
Low Pass Crossover	50Hz - 150Hz