Sanyo PLC-XL45 Service Manual page 99

Printed Wiring Board Diagrams
R/C (SIdE:A)
1LG4B10W0030B A SIDE
(1st Reflow)
PoWER (SIdE:A)
IC631
C639
C615 Q644
PTH612
Q643 D611
LAMP
BALLAST
UNIT
PCB_KZ6AC
R/C (SIdE:B)
B SIDE
K29DD
(2nd Reflow)
MAIN
A2951
"K8D"
D2951
R2951
MAIN
"K8R"
1AA4B10C5310A_A
A SIDE
C632
PC641
R644
T651
D652 14
C694
C62F
D651
PC642
R652
R638
Q601 D654
Q611
Q602 3
R611 PTH611
R639
K6S
Q651
C651
- PC643
C612
R612
K6C
C611
+
L612
L611
LINE FILTER
THERMAL SW
"K6B"
SW90
PoWER (SIdE:B)
K6R
K6R
1
FB691
C691
Q661
C652
C653
C693
1
1AA4B10C5310A_A
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.
T651
IC631
D653
8 1
IC621
9 16
D612
PTH612
Q662
S D G
Q611
R611
C612
PTH611
R612
L611
C611
L612
B SIDE
C615
R617
R618
R619 R620
S D G
D611 Q643
A11