Huvitz CCP-7000, Руководство по обслуживанию

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4
Have someone hold the test scale at the screen
Project the 20/400(6/120, 0.05) alphabet “C”
Adjust the position of the projector forward or backward and turn the focusing
wheel until “C” is brought in sharp focus within the respective distance scale
2-2 Electrical Construction Diagram
CONTROL PCB ASSY
MOTOR
ASSY(CHART)
MOTOR
ASSY(M)
SERIAL PORT
1
CHART PI
ASSY
Mask
PI ASSY
1
TRANSFORMER
LAMP
6V 30W
AC
6V
AC
18V
Tx GND
6
5
4
3
2
1
6
5
4
3
2
5
4
3
2
1
5
4
3
2
1
2 1
2
2 1 2 1 2 1
2 1
3 2 1
3 2 1
6
5
4
3
2
1
6
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
V
cc
V
0
GND
2
1
3
4
5
V
cc
V
0
GND
2
1
3
4
5
V
cc
GND
V
cc
VOUT
GND
Rx Tx
2 1
2 1
Rx
CDR-3100 OP
(OPTION)
AC
6V
AC
18V
AC
6V
AC
18V
AC
6V
AC
18V
AC
6V
AC
6V
DC12V
DC12V
DC12V
DC12V
110/220V
INPUT
1
2
3
FUSE
FUSE
1
2
3
RED 220V/AC
BROWN 110V/AC
0V
4
SWITCH
220V/AC
110V/AC
0V/AC
FG
INLET
VOUT
[Fig. 4 E1]