1 J.L.

QC Pro4000 Long Exposure modification

2 J.L.

Cutting PCB

3 J.L.

Lift the IC pin #4

4 J.L.

Soldering wire x4

C B D A

5 J.L.

Sony

CXD1267AN

CCD Vert.

Clock

Driver

Philips

SAA8116HL

CCD

VGA USB

Camera

10K

10K

10K

10K

shutter

v gate

pin #4

pin #9

pin #2

pin #5

pin #21

DB

25(M) P

arallel port connector

+5v

GND

21

43

13

12

5

7

14

69

1011

8

CD4066

+5v

4

5

US

B connector

GND

A

C

B

D

QC pro4000 modification circuit diagram

6 J.L.

• Surface mount CMOS IC CD4066• 1/8 W, 10K Resistor x4

CD4066 Quad Bipolar Switch ICTo 1267 #9

To 8116 v gateTo control port #5

To 8116 shutter

To 1267 #4

To control port #2

To control port #21

C

A

D

B

7 J.L.

8 J.L.

Soldering control wire

9 J.L.

Cutting PCB for disable LED

10 J.L.

Finish

11 J.L.

Long exposure dark frame testing

12 J.L.

15sec dark frame

13 J.L.

30sec dark frame

14 J.L.

60sec dark frame

15 J.L.

60sec x5 dark frame

16 J.L.

Making Adapter

17 J.L.Many thanks Studioalley for help.

18 J.L.

Finish

19 J.L.

20 J.L.

21 J.L.

Connect to telescope

22 J.L.

normal photo

23 J.L.

long exposure photo