Read JBL E 150P (serv.man14) Service Manual online
E150P Block Diagram
Rin
Lin
Rout
Lout
DIF. AMP
SUMMI NG AMP
VOLUME CTRL
PHASE CTRL
SWITCH
SWITCH
HPF
18dB/Octave
12dB/Octave
HPF
LPF
12dB/Octave
12dB/Octave
LPF
Variable
SUMMI NG AMP
LIMITER /
LPF
LPF
MUTE
DC OFFSET
PROTECTION
PROTECTION
THERMAL
PROTECTION
PROTECTION
CURRENT
PROTECTION
PROTECTION
LINEAR
POWER SUPPLY
* FUSE
MUTE
SIGNAL SENSE
ATO
SIGNAL SENEING
EXTERNAL LED INDICATORS
CONTROLLED
REGULATOR
REGULATOR
CLASS D
AMPLIFIER
AMPLIFIER
+15V SW
MUTE
OUTPUT-RELAY
4 OHMS
LFE
NORMAL
NOTE :
120 VAC T1.25A-250V
230 VAC T0.8A-250V
120 VAC T1.25A-250V
230 VAC T0.8A-250V
SPEAKER LEVEL
INPUT
INPUT
Line Level
Input
Input
F
1
E
D
3
2
C
B
A
1
2
3
4
7
6
8
F
E
D
5
RevNo
Revision note
6
7
C
B
Checked
8
Date
Signature
A
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