Harman JBL GTO-751EZ - System Block Diagram; Signal Flow and Functional Blocks

INPUT LEVEL
50mV-1.5V
crossover
1
2
SP
SP+
SP-
block
Class D
power supply
1
2
3
GROUND
REM
+12V
bass boost
40Hz-200Hz 12dB/ oct
45Hz 0-12dB
2
3
1
4
A
LO
Hi
Hi2
2
3
1
4
A
LO
Hi
Hi2
1
1G
2
A
L input
R input
switch
switch
REMOTE
LEVEL CONTROL
1
2
3
4
to REMOTE
simple LED(s)
Orange
Red
green
power(green)/protection(Red) LED
A2
A1
A6
A3 A4
A5
A7
A9
A8
S
D
G
S
D
G
Driver
Integrator
comparator
LP pass
GTO-751EZ
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