Printed Wiring Board Diagrams - promethean PRM-30A Service Manual

Printed Wiring Board Diagrams

POWeR (SIde:A)
IC631
J608
6 T651H5 1
T651H1
L631
C615H2
D633
-
K6D_2
F631
+
7 12
T651H11
J609 J610
C661
C665
D611H2 D611H1
D611
C664
L662 L661
A30C5
1 11
J606
K6R
DIP
MAIN
"K8R"
POWeR (SIde:B)
1LG4B10W0850A
SCB5
PWB.POWER
PTH611H2
C615H2
K6C
C615H1
1 2
C612
C611
PTH611H1
K6D_2
A30C5
DB611H1 DB611 DB611H4
R614
C613
Q643
C614
L611
Q611HG
L612
D611H1
Q611HS Q611HD
Q611
L612H2
L612H1
8 5
J605
IC621
C625
J604
1 4
C621
PCB_KJ8YF
FILTER
SW90
"K6B"
C615H1
PTH611H2
C692 C691
K6C
2 1
C612 C611
PTH611H1
DB611H4 DB611H1
- +
DB611
C613
R614
Q643
C614
L611
Q611HD
Q611HG Q611 Q611HS
J605
J604 L612H2
1LG4B10W0850A
L612
PWB.POWER
ZD631
R633
R631
J608
D632
R639
6
T651H5
1
T651H1
L631
D633
4
4 3 3
F631
12
1 2 2
1
7
T651H12 T651H11 T651H7
J610
J609
D611H2
D611
C665
C661
C664
L661
L662
SCB6
11 J606 1
PC661
K6R
FILteR (SIde:A)
POWER
SW90
"K6C"
K6B
1
2
C602
H H
H H
H H
H H
VA601
FILteR (SIde:B)
2 K6B 1
C602
C601
VA601
F601A
F601B
! CAutION
This projector is isolated from AC line by using the internal converter transformer.
Please pay attention to the following notes in servicing
1. D o 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. T he grounding lead must be connected to the ground of the same circuit when
measuring of voltages and waveforms.
R/C
1
MAIN A2901
"K8D"
4
1LG4B10W0850C
A30C5
teMP. SeNSOR A
MAIN
"K8L"
A30C5
1LG4B10W0850D
teMP. SeNSOR C
MAIN
A30C5
"K8I"
1LG4B10W0850E
SC2902 1
A2901 R2903
4
A30C5
A30C5
4 IC8811 1
8
5
1LG4B10W0850D
IC8831
4 1
5 8
1LG4B10W0850E
A30C5
A9