POWERPANEL.DSN - Power Panel -

Saturday, May 21, 2005. Title. Size. Document Number. Rev. Date: Sheet of ... DC MOTOR2. DEC PULSE 1. DEC PULSE1. +18V. +18V. DEC PULSE2. NC. NC.
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A

B

C

D

E

R2 33K +18V

TXD0\ RXD0\

7

+18V

4

C1 6.8UF 25V

NORTH/SOUTH

RS232

SW2 DPDT

+18V

1 2 3 4 5 6

MISC XMIT LX200 XMIT LX200 RCV MISC RCV

FOCUSER-2 CCD WEST CCD SOUTH AUX -7 AUX -6

3

DEC DC MOTOR1 GND DC MOTOR2 DEC PULSE1 +18V DEC PULSE2

1 2 3 4 5 6 7 8

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33

4

9 8

3V BATTERY

TXD0\ TxD2 Out RxD2 In

11 10

+18V DEC PULSE 1 NC FOCUSER-1 CCD NORTH CCD EAST AUX -2 AUX -8

BAT1 3.0V

2

34 Pin Header

R3 100

5 4

FOCUSER-2

9 8

R4 100

WEST SOUTH NORTH EAST

13 LM339A

U2A V+ 1 VLM339A

10

12

9

13

8

14

7

15

6

16

5

17

4

18

3

19

2

20

1

2 3 4 5 6 7 8 9 10 3

+18V

R6 10K

U2B 2 LM339A U2C 14 LM339A 2

11

AUX

10

U2D 13 LM339A

IREF AUX -2 +5V

SW1 DPDT

AUX -6 AUX -7 AUX -8

X1 POWER

A

1

IN

OUT

Current Sense Reference

3

+

C3 6.8UF

+PWR

+18V F2

Note: All connectors are numbered left to right facing the Power Panel NOT THE MEADE PUBLISHED PIN ORDER.

2A

250V

+

Note: Replace C1 or C3 with 6.8 uF 35V Tantalum Capacitors

R7 10K

C4 2200UF D1 1N5400

IREF

GND

Note: All connectors are numbered left to right facing the Power Panel NOT THE MEADE PUBLISHED PIN ORDER.

+5V

VR1 MC78M05CT

2

+18V 1

U1D

11

LED PACK-10

R5 50

1 2 3 4 5 6 7 8

LM339A

J2

CCD

J9

14

6

RN2 10K

LN1

U1C

7

NC

1 2 3 4 5 6

+18V

LM339A

+PWR

FOCUSER J6

4

U1B 2

5

12

2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34

RXD0\ TxD1 Out RxD1 In RETICLE

J1

1 2 3 4 5 6 7 8 9 10

+18V

J8

VLM339A

RN1 100

SOUTH +18V

U1A V+ 1

6

NORTH

C2 .001UF

12

+

J7

+PWR 3

1 2 3 4

J3 RETICLE

1

KEYPAD

3

J4

POWER LED LED1

1

TelescopeService.com

R1 0.1 OHM

Title

B

C

D

MEADE LX200 Classic - Power Panel

Size B

Document Number 834-2000

Date:

Saturday, May 21, 2005

Rev B Sheet E

1

of

1