Telex MCE325 - Manual (Page 83)

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
(SHT3,2D)
ON
PGM ASSIGN
(6A)
(SHT3,2D)
22
28
0dBu NOM
(SHT3,2D)
(SHT1,4B)
29
(-6dBu NOM)
(SHT3,7D)
(1D)
4 WIRE B IN
(1D)(SHT1,6D)
(+6dBu pK)
MAX=26dB)
(-10dBu TO
+8dBu)
PGM ASSIGN
(SHT3,5D)
TO HDST L
TO SPEAKER
-4dBu NOM
T
S
(SHT1,4A)
(4B)
PROGRAM B
(1D)
(6A)
(SHT3,7D)
(SHT3,2D)
(SHT3,7D)
(4D)
4W-B LSN
PGM ASSIGN
30
R
27
24
(SHT1,4C)
PROGRAM A
MONO SW
J21
(SHT1,5B)
(SHT3,2D)
(1D)
(1D)
OFF
SPKR JACK
39-51-3304
(SHT1,8C)
(MIN=6dB
REAR PANEL
(SEE SD6246)
3 REQD
(SHT3,2D)
22
(SHT1,6B)
(SHT3,2D)
23
(-10dBu TO
ADJUST
OFF
(SHT1,4D)
26
4 WIRE A IN
0dBu NOM
4
(1D)(SHT1,5A)
21
(SHT3,7D)
SPKR DIM
(SHT1,1C)
25
10K AUDIO POT
ON
+8dBu)
TO HDST R
(SHT1,8D)
USMB
(SHT3,2D)
(SHT1,6A)
MOLEX FFC
(SHT3,2D)
(SHT1,6B)
A
2 MCE325 MOTHER BOARD
9027624501
NOTES: SEE SHEET 3 OF 3
Title
DWG. NO. REV
PAGE
4W-A LSN
(-6dBu NOM)
+7V
+14V
17-25VDC SOURCE
+14V
+7V
+7V
+14V
+14V
+14V
+7V
+14V
+14V
+7V
+14V
+7V
+7V
+7V
+14V
+7V
+7V
+14V
+14V
+14V
+14V
+7V
C110
0.1uF
C86
10/25
+
Q10
2N5460
+
-
U17A
NE5532
3
2
1
8
4
U18
LM386
3
2
5
4 7
6 1 8
U19
LM386
3
2
5
4 7
6 1 8
(R1)
VOL 1
J14
SN37A-14B
R
RB
TB
T
S
1
2
3
4
5
J15
SN37A-14B
R
RB
TB
T
S
1
2
3
4
5
C92
1nF C95
10/25
+
P23
1
2
3
C96
.1/50
C97
100/25
+
C100
1nF
C103
10/25
+
C104
.1/50
C105
100/25
+
C89
10/25
+
R43
20K
C90
10/25
+
J16
929647-01-03
1
2
3
J17
929647-01-03
1
2
3
J18
929647-01-03
1
2
3
C106
4.7uF
J27
MN-114B
1
2
3
4
5
R56
0
J23
MLSS100-3
1
2
3
J22
745783-3
13
25
12
24
11
23
10
22
9
21
8
20
7
19
6
18
5
17
4
16
3
15
2
14
1
E1
E2
R46
20K
RP5F
22K
1
7
RP5E
22K
1
6
RP5D
22K
1
5
RP5A
22K
1
2
R54
20K
RP5B
22K
1
3
RP5I
22K
1
10
RP5G
22K
1
8
RP5C
22K
1
4
RP5H
22K
1
9
+
-
U16B
TL072
5
6
7
R117
20.0K
1%
RP6B
10K
1 3
R119
20.0K
1%
U34
LM4752/TO
1 2
3
5
6 7
OUTB INB
VCC
BIAS
INA OUTA
R120
10.0K
1%
RP6D
10K
1 5
C107
4.7uF
R124
20.0K
1%
C108
100uF
R126
20.0K
1%
RP7A
10K
1 2 R127
10.0K
1%
RP7B
10K
1 3
R45
2.7
C113
270pF
R130
20.0K
1%
RP7C
10K
1 4
R132
20.0K
1%
RP7D
10K
1 5
R133
10.0K
1%
R172
301
1%
R135
10K
R174
301
1%
R138
20.0K
1%
+
-
U12A
TL072
3
2
1
8
4
C143
4.7uF
R139
10.0K 1%
+
-
U12B
TL072
5
6
7
+
-
U11A
TL072
3
2
1
8
4
R140
20.0K
1%
R125
10.0K
1%
R141
10.0K
1%
R142
10K
+
-
U11B
TL072
5
6
7
C142
4.7uF
R118
10.0K
1%
R152
200
C65
.1/50
R153
160K
C112
270pF
R154
47K
RP6A
10K
1 2
C88
.1/50
R155
47K
C91
.1/50
RP6C
10K
1 4
R156 20K
C93
.1/50
R157
20K TRIMPOT
LIN
C109
1000uF
C94
.1/50
C98
.1/50
C99
.1/50
R170
10K
R48
10K
C101
.1/50
R171
10K
R173
100K
C102
.1/50
R131
10.0K
1%
R175
100K
C83
10/25
+
C76
.1/50
R176
22K
X0
X1
X
Y0
Y1
Z0
Z1
Y
Z
XX
YY
ZZ
U15
4053
13
12
16
7 6 8
14
2
1
5
3
15
4
11
10
9
C87
10/25
+
R177
100K
X0
X1
X
Y0
Y1
Z0
Z1
Y
Z
XX
YY
ZZ
U13
4053
13
12
16
7 6 8
14
2
1
5
3
15
4
11
10
9
C111
0.1uF
R178
1M
R180
1K
R181
2.7
X0
X1
X
Y0
Y1
Z0
Z1
Y
Z
XX
YY
ZZ
U14
4053
13
12
16
7 6 8
14
2
1
5
3
15
4
11
10
9
R182
22K
R183
10
+
-
U33B
LM833
5
6
7
8
4
R184
22K
R185
100K
R186
1K
(R3)
PGM
VOL
(R2)
VOL 2
R187
2.7
R188
22K
R189
10
R44
2.7
C137
.1/50
C60
10/25
+
C61
1nF
C141
.1/50
C62
10/25
+
C63
100pF
C64
1nF
C66
10/25
+
C67
1nF
C68
10/25
+
C69
100pF
+
-
U31A
LM833
3
2
1
8
4
C70
1nF
C71
10/25
+
R25
10K
C72
1nF
C73
10/25
+
C74
100pF
C75
1nF
C77
10/25
+
C78
10/25
+
C79
100pF
R47
20K
C80
1nF
C81
1nF
C82
1/50
+
J20
929647-01-04
1
2
3
4
C84
500pF
J19
929647-01-04
1
2
3
4
CHS GND
4W-B LO
LIST3
HP R
4W-A HI
PGM R
MIC LO
PM COM
HP L
LIST2
LSN2
LSN3
4W-A LO
SPKR ON
REM MIC
MIC HI
PGMA
PGM L
PM HI
4W-B HI
KEY4
KEY1
KEY2
LIST1
KEY3
LSN1
MONO
4W-A HI
4W-B HI
COM
ISO
USM
4W-B LO
LIST4
HP COM
4W-A LO
TC2
+18V IN
COM
+14V IN
SIDETONE
PGM L
STC
SPKR MUTE
PGM R
PGMB
LSN4
SPKR DIM
TC4