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Chapter 2 Circuit Board
Hardware Architecture
The Projector consists of the Source board, Main board, Keypad board, DB board, EMI
board, PFC board, Ballast board, Door interlock switch, sensor board, and the Thermal
break sensor board. Please see Figure 1.
Source Board consists of audio phone jack, video RCA jack, S-video mini-DIN head, and
USB head. Main Board consists of RGB A/D conversion, Video decoder, Flash and RAM,
Motor driver, and IR receiver. Keypad Board consists of 9 keypads and 2 twice-color LEDs.
Fan Board consists of DC/DC converter, Thermal Break circuit, Blower Fan driver circuit,
Rear Fan driver circuit, and the temperature sensing circuit. Power supply circuit consists of
AC line EMI filter, Power Factor Correction circuit. Ballast Board consists of Lamp
synchronization circuit, Lamp lit feedback circuit, and Lamp power control circuit.
Block Diagram
PW190
< Figure 1 >
Summary of Contents for LC-XIP2600
Page 1: ...LCD Projector Service Manual Model LC XIP2600 Ver A Date March 05th 2010 ...
Page 6: ... 5 D 315 250 Powerful Normal Powerf ul Powerf ul ...
Page 35: ...34 f Done ...
Page 38: ...37 e Remove the optical engine f Done ...
Page 40: ...39 c Done ...
Page 44: ...43 e Done ...