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PAM4100
Ecler PAM4100 Service Manual
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SERVICE MANUAL
SIGNAL
PROTECT
THERMAL
THERMAL
BRIDGED
PROTECT
6
10
0
1
2
4
3
5
9
8
SIGNAL
CLIP
7
1
2
0
3
4
5
9
10
8
CLIP
6
7
ON
OFF
SWITCHING POWER MOSFET AMPLIFIER
CHANNEL I
CHANNEL II
THERMAL
PROTECT
SIGNAL
PROTECT
BRIDGED
10
0
1
2
9
8
SIGNAL
CLIP
1
2
0
10
9
8
CLIP
THERMAL
6
4
3
5
7
3
5
4
6
7
ON
OFF
SWITCHING POWER MOSFET AMPLIFIER
CHANNEL I
CHANNEL II
2
Table of Contents
Service Manual
1
Index
2
Block Diagram
3
Functioning Description
4
EPO4-99 Power Module
4
Standby Circuitry
5
Transistors Q111 and Q112
5
Zobel Circuit
5
Power Supply
10
Printed Board
11
Capacitors
12
Inputs Ct.
14
Parts List: Printed Circuit 11.0833.04.00
18
Power Circuit
21
Parts List: Printed Circuit 11.0730.07.01
25
Parts List: Printed Circuit 11.0730.07.00
40
Soft-Start
51
Parts List: Printed Circuit 11.0834.02.00
53
Leds + Potentiometers Ct.
55
Parts List: Printed Circuit 11.0837.03.00
59
Speak on Ct.
63
Assembled Amplifier
66
Preliminary
66
Verification
66
Protections
67
DC out
68
Quality Control
69
Burning Test
69
Verification Using Music
69
Technical Characteristics
70
Wiring Diagram
71
Wiring Diagram Details
72
Mechanical Diagram
73
Packing Diagram
75
Mechanical Diagram Details
109
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Ecler PAM4100 Specifications
General
Frequency Response
20 Hz - 20 kHz
THD+N
< 0.1%
S/N Ratio
> 100 dB
Damping Factor
> 200
Input Impedance
20 kOhms
Protection
Thermal, DC, short circuit
Cooling
Fan
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