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5. Electronic spares and servicing procedures
Image 5-43
Power box: left-rear view with mains connector
This universal 12V power box is delivered as a complete unit in a metal shielded box. All the power supply electronics for the boards
are mounted inside this box. There is a CPLD containing the software for the power box. There is also a connector to provide the
power for the lamp power supplies (through the lamp filters).
The following voltages are generated:
•
power supply for both LPS (lamp power supply)
•
++12V standby voltage
•
+12V for active projector state without image projection
•
+12VA for active projector state and image projection (to formatter)
Configuration
PFC
CONTROLLER
SMPS
1
2
3
4
5
6
8
7
9
13
14
19
20
17 18
12
15
16
21
Image 5-44
Power box layout
The power box consists of three boards that are communicating through board to board connectors. For safety reasons, there are
insulating plates located between the boards and on top of the SMPS: these plates must always be present!
The three boards are:
•
PFC (power factor connector)
•
SMPS (switched mode power supply)
•
controller board
board
description
PFC
Generates a stable DC voltage for the SMPS
Generates the power for both LPS. Each LPS is protected by a fuse.
R59770097 ID H250 / H500 15/05/2007
51
Summary of Contents for iD H250
Page 1: ...iD H250 H500 Service manual R9010570 R9010520 R59770097 00 15 05 2007...
Page 10: ...1 Safety 6 R59770097 ID H250 H500 15 05 2007...
Page 22: ...2 General information 18 R59770097 ID H250 H500 15 05 2007...
Page 24: ...3 Software 20 R59770097 ID H250 H500 15 05 2007...
Page 68: ...5 Electronic spares and servicing procedures 64 R59770097 ID H250 H500 15 05 2007...
Page 84: ...6 Optical spares and servicing procedures 80 R59770097 ID H250 H500 15 05 2007...