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Printed Wiring Board Diagrams
PoWER (SIdE:A)
IC631
C639
C615
Q644
PTH612
Q643
D611
LAMP
BALLAST
UNIT
L612
PoWER (SIdE:B)
PCB_LK6A
MAIN
"K8R"
1AA4B10C4740A_C
A SIDE
C632
PC641
R644
T651
D652
14
C694
C62F
C652
C653
D651
PC642
R652
R638
Q601
D654
Q611
R611
PTH611
Q602
3
R639
K6S
Q651
C651
-
PC643
C612
LINE FILTER
R612
"K6B"
K6C
C611
+
L611
K6R
1
FB691
C691
C693
1
THERMAL SW
SW90
C659
! CAUTION
This projector is isolated from AC line by using the internal converter transformer.
Please pay attention to the following notes in servicing
1. Do not touch the part on hot side (primary circuit) or both parts on hot and cold
sides (secondary circuit) at the same time.
. Do not shorten the circuit between hot and cold sides.
3. The grounding lead must be connected to the ground of the same circuit when
measuring of voltages and waveforms.
R/CS (SIdE:A)
A SIDE
1AA4B10C5430C
(1st Reflow)
A30C5
R/CS. (SIdE:B)
K29D
B SIDE
(2nd Reflow)
A2901
MAIN
"K8D"
D2901
R2901
A9
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