Printed Wiring Board Diagrams - Sanyo PLC-XU87 Service Manual

Printed Wiring Board Diagrams

PoWer (SIde:A)
IC631
C639
C615 Q644
PTH612
Q643 D611
LAMP
BALLAST
UNIT
L612
PoWer (SIde:B)
T651
K6R
D653
Q661
Q662
1AA4B10C5310A
C612
C611
PCB_KW6AC
MAIN
"K8R"
1AA4B10C5310A
A SIDE
C632
PC641
R644
T651
K6R
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"
C611
+
L611
B SIDE
IC631
C615
8 1
R617
IC621
R618
9 16
R619 R620
D612
S D G
PTH612
D611 Q643
S D G
Q611
R611
PTH611
R612
L611
L612
1
FB691
C691
C693
1
THERMAL SW
SW902
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.
2. 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/c (SIde:A)
(1st reflow)
1AA4B10C5670B
A SIDE
A30C5
LINe FILter (SIde:A)
POWER
"K6C"
K6B
2
1
C602
C601
1
2 K6A
3 1
MAIN
LF901
"K8S"
r/c (SIde:B)
K28D
B SIDE
MAIN
R2802 "K8D"
C2802
C2801
A2801
(2nd Reflow)
C2803
LINe FILter (SIde:B)
1 2
K6B
C602
L601
C601
R601
2
1
K6A
A11