4
+
–
+
–
CH.1 100
VDC
+
–
CH.1 115
VDC
+
–
CH.2 115
VDC
TO
R
OID
AL PO
WER
TRANSFORMER
LAMP
FUSE
MA
CKIE DESIGNS
M•2600
BLOCK DIA
GRAM
9/21/1998
LO
W CUT
FIL
TER
CR
OSSO
VER
INVER
TER
(FOR BRIDGED MONO
OPERA
TION)
FREQ
CH.1 GAIN
CH.2 GAIN
60-90-120Hz
THR
U–LO
W–HIGH
LIMIT–OFF-LO
W OUT
PO
WER
SWITCH
IN-R
USH
LIMIT
30 VDC
+15 VDC
-15 VDC
22 V
A
C
+
–
CH.2 100
VDC
TRANSFORMER
THERMAL
LINE INPUT
(1/4" TRS)
LINE INPUT
(XLR-FEMALE)
THR
U OUTPUT
(XLR-MALE)
STEREO-MONO-BRIDGED
STEREO-MONO-BRIDGED
STEREO-MONO-BRIDGED
LIMITER
CONTR
OL
CH–1
CH–2
LO
W
HIGH
LO
W CUT
FIL
TER
CR
OSSO
VER
FREQ
SHOR
T 2
IN-R
USH CONTR
OL
THR
U–LO
W–HIGH
LIMIT–OFF-LO
W OUT
LIMIT–OFF-LO
W OUT
LINE INPUT
(1/4" TRS)
LINE INPUT
(XLR-FEMALE)
THR
U OUTPUT
(XLR-MALE)
60-90-120Hz
LO
W
HIGH
SHOR
T 1
(THE SHOR
T LEDS ARE
JOINED IN BRIDGED MODE)
LIMITER
CHANNEL 1
PO
WER
AMPLIFIER
FUSE
OUTPUT
RELA
Y
–100VDC
–115VDC
22V
A
C
FUSE
+100VDC
+15VDC
+15VDC
+115VDC
METER
DRIVE
OL
–3
–6
–9
–20
SIG
PR
O
TECT
SHOR
T
SHOR
T 1
CH 1
SIG
CH 1
SIG
CH 2
SIG
CH.
1
SPEAKER
OUT
CH.
2
SPEAKER
OUT
CH.
1
SPEAK
ON
CH.
2
SPEAK
ON
BRIDGED
MONO
SPEAK
ON
PR
O
TECTION CIRCUITR
Y
MUTE
DC OFFSET
PR
O
TECT
SHOR
T
OUTPUT ST
A
GE CURRENT
OUTPUT ST
A
GE
VO
LT
A
GE
TRANSIENT SO
A FL
T
STEAD
Y ST
ATE SO
A FL
T
OUTPUT DISSIP
ATION
LO
W V
O
LT
A
GE
DETECT
IN-R
USH CONTR
OL
CH.1 DISSIP
ATION
MUTE
LIMITER
CHANNEL 2
PO
WER
AMPLIFIER
FUSE
OUTPUT
RELA
Y
–100VDC
–115VDC
22V
A
C
FUSE
+100VDC
+15VDC
+15VDC
+115VDC
METER
DRIVE
OL –3 –6 –9 –20 SIG
PR
O
TECT
SHOR
T
CH 2
SIG
PR
O
TECTION CIRCUITR
Y
MUTE
DC OFFSET
PR
O
TECT
SHOR
T
OUTPUT ST
A
GE CURRENT
OUTPUT ST
A
GE
VO
LT
A
GE
TRANSIENT SO
A FL
T
STEAD
Y ST
ATE SO
A FL
T
OUTPUT DISSIP
ATION
LO
W V
O
LT
A
GE
DETECT
IN-R
USH CONTR
OL
CH.2 DISSIP
ATION
MUTE
+30VDC
-30VDC
HO
T LED
COLD LED
CH.1 MUTE
CH.2 MUTE
80
0
C MUTE
52
0
C UN-MUTE
80
0
C MUTE
52
0
C UN-MUTE
CH 1
TEMP
SENSOR
CH 2
TEMP
SENSOR
O
VER TEMPERA
TURE
DETECT
OR
TRANSFORMER
THERMAL SWITCH
VARIABLE SPEED F
AN CONTR
OLLER
45
0
C – 65
0
C SPEED CONTR
OL CH.1
45
0
C – 65
0
C SPEED CONTR
OL CH.2
FAN IDLE/V
ARIABLE CH.1 PO
WER DETECT
OR
FAN IDLE/V
ARIABLE CH.2 PO
WER DETECT
OR
CH.1 DISSIP
ATION
CH.2 DISSIP
ATION
FA
N
Σ
1-
1+
1-
1+
-
+
-
+
1-
1+
SHOR
T 2
(THE CHANNELS ARE SUMMED IN MONO OR BRIDGED MODE)
Block diagram
Summary of Contents for M-2600
Page 2: ...2 SERVICE ON THIS EQUIPMENT IS TO BE PERFORMED BY EXPERIENCED REPAIR TECHNICIANS ONLY ...
Page 14: ...14 Final Assembly The circled item numbers are shown in the parts list on page 20 ...
Page 15: ...15 The circled item numbers are shown in the parts list on page 20 ...
Page 16: ...16 Final Assembly The circled item numbers are shown in the parts list on page 20 ...
