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9. Technical Board Information
9.1.4
OEM Power Board
Block diagram
OEM Power Board
IC7
DC 380V from PFC
5
4
3
2
F
S
X
L(M)
D
7
1
C
3
T3
+B
COL
1
5
4
AUX
GND
D25
C85
1
2
4
3
ISO5
1
2
4
3
ISO6
IC9
Linear regulator
D21
15V
D22
5V
IC10
Linear regulator
D26
GND
3.3V
IC13
TL431CLP
IC500
>>Input
OV/UV
Protec
Output
V
9
12
16
1
5V from Standby
-5V
IC11
Linear regulator
D24
GND
10
13
Image 9-6
Block diagram OEM power board
Description
The OEM power board repeats operation which turns on and off at pin 7 pf IC12, and the pulse appears in secondary sides through
the converter transformer T3. At the time, the voltage of 3.3V at the secondary side is detected by IC13, the negative feedback to
IC12 is carried out at photo coupler ISO5 and then the voltage is stabilized.
Other outputs are determined by the turn ratio of secondary side of T3, and the voltage rectified, smoothed through the series
regulators (-5V is stablized at IC11, 5V is stabilized at IC10, 15V is stabilized at IC9). The voltage rectified and smoothed by D25
and C85 at primary windings of T3 is supplied as a power supply voltage of IC12 on primary side.
R5976766 RLM G5 22/04/2004
51
Summary of Contents for RLM G5 Performer
Page 1: ...RLM G5 Service Manual R9010020 R5976766 00 22 04 2004...
Page 4: ......
Page 8: ...1 General Information 4 R5976766 RLM G5 22 04 2004...
Page 16: ...2 Safety 8 R5976766 RLM G5 22 04 2004...
Page 18: ...3 Safety Symbols 10 R5976766 RLM G5 22 04 2004...
Page 23: ...5 Technical Informations 14 R5976766 RLM G5 22 04 2004...
Page 25: ...6 Spare Parts list 16 R5976766 RLM G5 22 04 2004...
Page 55: ...8 Module Unit Identification 46 R5976766 RLM G5 22 04 2004...
Page 69: ...9 Technical Board Information 60 R5976766 RLM G5 22 04 2004...
Page 81: ...10 Mechanical Parts Identification 72 R5976766 RLM G5 22 04 2004...
Page 91: ...12 Projector Suspension Stacking 82 R5976766 RLM G5 22 04 2004...
Page 95: ...13 Maintenance of the Projector 86 R5976766 RLM G5 22 04 2004...
Page 103: ...14 Software Update 94 R5976766 RLM G5 22 04 2004...
Page 107: ...15 Troubleshooter RLM R5 Performer 98 R5976766 RLM G5 22 04 2004...
Page 111: ...A Technical Specifications 100 R5976766 RLM G5 22 04 2004...