Connection Check - Epson EMP-822 Service Manual

3.3.4 Connection Check

Before starting the checking work, be sure to turn off the power and detach the
AC cable. (refer to
Start
Remove
Upper Case
Switch Board
Shutter Switch
EX Fan
TH board
P/S thermistor
RC board
Intake Fan A,B
Light Valve R/G/B
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For more information, refer to
Engine and MAB set(1) (MA Board Assy.) /IF Case" (p.
SEIKO EPSON
EMP-822/EMP-83/EMP-X5/EMP-S5
3.2.3 "Cable Connection and Projector's Status" (p.
MA board CN702 (Lock-type connector)
MA board CN704
MA board CN804
MA board CN801
MA board CN807
MA board CN703
MA board CN802 CN803
MA board CN1400/CN1500/CN1600 (Lock-type connector)
4.3.4 "Removing the Upper Case Unit" (p. 15)
26).
Flowchart 3-4 Connection Check (1)
3-14
9))
/ 4.4.2 "Removing the Optical
Revision:A