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+15 Paging Detect Threshold R57 100K R9 3 2 1 14K 9 1K +15 1 GND 3 Paging Trim (10 to 40 dB) 2 4574 R14 13 R10 12 4574 1K 14K 100 R2 Z1D 14 R17 10K
6

+5

R50 9.09K 3 6 CW 3 7 2 W34 .4 12 Z2A

+15

R59 1 R46 243 LM339
+

Paging BEAD 3T Input
100 10K GND R18 1K GND C19 Detect 1N4148 C1 + 100/50 2.21K 4 1 R11 511 R13 51.1 2 11 Z1A 1 R45A 2KRD 2.21K 0.1 -15 R26 CW 3 GND R12 511 J1 1 + 2 3 6 S1B 5 4 MIC C37 LINE 330pF 2P2T S1A

5 C2 C38 3.3/16 0.1 GND GND GND R56 100K

Z2B

2

1

L1 8 Z1C 4574 R15 R16 5.11K D1 5.11K R63 1.33K R123A 100KA R25

R1 10

R53

R52

100K 4

2

3

R64 R58 402K 100K

R27 1K

Q10 2N2222

Detect

LM339

R67 1.5K

D3 G

Active

GND
8

1 L2 BEAD 3T 2

Z3D DG212
7

W31 C10 .4

5 R75 20K DUCK ZA 22/25 6 R76 20K GND S2A +15 4 3 2 1
13

Z4B

7

W32

.4

Page Exp.

TL074 GND C4

C17 R69 5 C18 .0015 GND 4574 R74 20K GND C8 7kHz GND 6 22/25 R72 20K Z1B 7 15K R71 13.3K GND 120Hz 0.1

S3 High/Low C7 IN (R) Cut Filter OUT (L) C9 22/25R77 20K GND
W50 .4

5

16

Z3B R33 100K GND CW Paging Assign
4 DG212

470pF -15
14

15 R29

1 3 R68A 10KA CW 10K 22/25 R73 20K GND S2B 9 8 7 6

2

Paging

R61

Level A

100K DUCK ZB +5
12

C6

13 22/25 12 GND

-15 R30 10K 10 D2
W33 R32 .4

Z4D

14

Page A

TL074 D4 10
1

9

Z4C

8

R31 10K

Z3A R -15 Paging OL GND R34 100K
5 DG212

C3

GND 3 GND GND 9 14 8 Z2C LM339
9

2

R28 10K

1 3 R127A CW 10KA R60 11 10 Z3C DG212
11 10

2

1N4148

10K C32 1/50 GND

R62 R54 TL074 100K 5.11K

470pF

Paging

Level B

100K Z2D 13 LM339 GND GND GND
ACTION:

+15 C5 2 22/25 3

4

PWR-MET 101959-3.SCH PRGMINPT 101959-2.SCH

Z4A

1

Page B

TL074 C39

11

-15

0.1

CP 31 PAGE INPUT
GND
H:\CP31\101959-1.SCH 2-Jun-1998 DRAWN BY: CHECKED BY:

RJ

RH

10802 47th Avenue West Mukilteo WA 98275-5098

SHEET:

1

of 3

101959

PAGE EXP.

DUCKER A
R36 10K 3 OFF
16 13

+15 C24 +15 (R) S8 (L) DG212 1
4
CW

R92 20K

3 2

8

Expand Level

0.1 1 Z11A 4580

GND S5 1P2T 2 R124A 10KA
W36

R7 4

Z6B

Program Input Left
ON -15 R103 MONO PGM.
14

R93 20K GND

100

Expand Out
-15 R94 20K C48

J5 PHONO 1-STA 1 DUCK ZA
.4

J4 C49

GND

1

+

GND
15

C15 22/25 +15 4 3 2 11 C25 R105 6 5 TL072 GND 2 3 20K 8 Z7B 47pF R81 7 3 0.1
CW

R97 20K 2 DUCKER DEPTH A 1 S4A .4 2P2T 3 2 1 22/25 30.1K 2 1 R82 +15 20K TL072 Z7A 4 1 C21 GND -15 0.1 R83 W1 20K Z6A
5 DG212

R19 GND 4574
W48

R96 20K 60.4K

1K C50 330pF Z5A C43 GND R108A 10KA GND W47
.4

PROGRAM INPUT LEFT C13

150K 1 3 CW R51A 100KA R107

2

47pF R95 20K GND 47pF R42 10K R41 10K 6 5 GND
W38 C12 .6

2

3

-

Z11B

7

R8

EURO 3-STA

GND

-15

4580

100

R43 10K MONO PGM. R35 Z5C 10K OFF
1

B
6 22/25 R109B 10KA
.4
CW

R88 20K 5 4 R89 20K GND PRE
POST S9

5 6

4580 Z9B R90 GND 20K C46 GND R91 20K 47pF 7

DUCKER B
+5
12

R5

100

10 8 GND S7 1P2T ON DUCK ZB 9
STEREO MONO

METER A

4574
W46 .4

C47

47pF R40 GND
W5 W11

Program Input Right
J6 PHONO 1-STA 1 C16 22/25 R20 GND 5 R98 20K 6 4574
.4

R44 10K

+15 GND PAGE A
3

10K C23
.4 .4 W13 W12

Zone Output
R39 2
.4 .4

J2A 2 10K
2

R99 20K PROGRAM INPUT RIGHT 3

R102 DUCKER DEPTH B 150K C14 R104 1 3 CW R125A 100KA R106 22/25 30.1K
W2 .4

8

5 3 A 60.4K 6 C42 47pF R78 7 R79 B ZONE LEVEL R84 20K 5 Z8B R85 20K 6 4580 Z10B 7 GND

Z9A

0.1 1

+

R6

A

4

2

4

4580

100

-

3

GND 1K C51 330pF Z5B S4B W49 GND 7 6 5 4

-15

R3 5
CW

2 2 R126A 10KA GND 1 20K TL072 GND 2 3 -15 GND 20K +15 8 TL072 Z8A 4 1 W35 .4 C20 R80 0.1 C11

100 R86

-

B
GND 20K C44

METER B

1

+

GND

A
22/25 R109A 10KA DG212
9 9 Z6C IN3

C45 3

EURO 5-STA 2 1
CW

47pF R38 R87 20K 47pF

+15 R37 12 13 Z5D 14 4574 20K
POST S6 PRE GND

10K C22 2 10K GND
W4 W3 W37

8

DG212 88 Z6D IN4

3 GND GND

Z10A

0.1 1

R4

66

S4 D4

7 7

11 11

S3 D3 GND

10 10

PAGE B GND

.4

.4
ACTION:

.6

GND

CP 31 MAIN
DRAWN BY: CHECKED BY: 2-Jun-1998

H:\CP31\101959-2.SCH

RJ

RH

10802 47th Avenue West Mukilteo WA 98275-5098

SHEET:

2

of 3

101959

4

4580

100

-15

+15 ZONE PEAK dBu A R119 40.2K 7 LM339 1 C40 0.1 LM339 R116 3.01K 5
V2

+15 +5 R121 40.2K 5 4 R120 40.2K GND +4dBu

ZONE PEAK dBu B R66 402K LM339

METER A 1/5020K 6 R118 40.2K 12 C33 1/50 GND GND D16 Z13B Y LM339 R55 11.3K 9
V3 V1

C34R100 3 Z12A 8 1K G Z13C 14 R21 -10dBu 9 1/50 20K D14 METER B

R65 402K C36 R101

R70 33.2K

+5 Z12B 2 C35 1/50 GND 7
V2 V1

11 10

D15

Z13D

R23 13 1K

-10dBu

G

LM339 +15

3

GND 4 2 R114 750

D17 6 LM339

Z13A

1

R115

750

+4dBu

Y

12

C41 0.1 11

D18 Z12C 1K R LM339 14 R22 +16dBu
V3

GND 10

D19

8

Z12D

R24 13 1K

+16dBu

R

R117 11.3K R122 +15
W22 W27 W28

LM339

+15 +5 L4

+5

6.04k GND

.6 W21 3T .6 W8 .6 W10 .6 W30

.6 W26

.6 W29

D10 C59 0.01 C52 + 1N4004 D8 1000/25 1N4004 D5 1N4004
+

3

10A 317 1 C26 + 0.1 C58 10/16

2 R47 243 C28 R110 0.1 2.67K

+15
+

R45C R123CR124C 2KRD 100KA 10KA C61 10/16

J12
CT AC 1 2 3 4 5 6

.4 W7

.4 W23

.4 W14

L3
3T

Power
AC CT

.4 W6 .4 W17 .4 W18 .4 W19 .4 W45 .6 .4 W43 .4 W44 .4 W15 .4 .4 W42 .4 W51 .4 .4 W20 .4 W41 .6 W9 .6 W40 .6 W25 .4 W39

.6 W24

.4 W16

C64 0.01 L5
3T

+

C53 1000/25

D6 1N4004 D7 1N4004 D9 1N4004 C63 0.01 D12 1N4004 D11 1N4004

+

C56 1000/35

+

6P MOD

C27 4 0.1 10B 5 337 6

R48 243

C29 0.1

C62 10/16 -15

6

C57 10/16

+

R111 2.67K

GND

R45B 2KRD

4

C55 1000/35

5

GND

LB1 LBKT-TO-GND

Q2 78L05 3 I O 1 GND + +

GND LB2 LBKT-TO-GND +5 2

C54 100/50 GND GND

C30 0.1

C31 0.1

C60 10/16

D13 Y Power R112 750 GND
ACTION:

GND LB3 LBKT-TO-GND

GND

-15
H:\CP31\101959-3.SCH

-15
2-Jun-1998

ADDED 3 OF 3T BEAD AND 0.01CAPS, NEW DOC# FJ 5MAY98
DRAWN BY: CHECKED BY:

CP 31 PWR / METER
RJ RH
10802 47th Avenue West Mukilteo WA 98275-5098 SHEET:

3

of 3

101959