PCB_MA8AA
■
Printed Wiring Board Diagrams
Power Board (SIDE:A)
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 (second
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 v
ages and waveforms.
CAUTION
AC
AC
+
-
1
3
K
A
G
K
A
G
1
3
A
K
A
AKA
1
8
9
10
16
1AA4B10C2841A_A
JAPAN
PRIMARY CIRCUIT (LIVE)
SECONDARY CIRCUIT
(LIVE HEATSINK)
(LIVE HEAT SINK)
CAUTION:
SHOCK HAZARD.
TEST BEFORE TOUCHING
T601
C608
DB601
C607
C611
K6AC
TSW601
Q601
C609
PTH601
C612
DS601
DS602
C614
C613
KT601
C616
C636
FB602
K6A
D652
C652
C662
IC651
C658
C657
C654
T651
L681
CN6C
C681
CN6A
C685
D681
D682
C683
C689
Q602
L603
D604
FB601
C618A
C618
C636A
R613
R614
IC601
VR601
VR681
Q621
Q622
Q623
Q624
D611
D614
D686
C651
C661
R648
R647
C629
R621
R632
R633
R636
R634
R628
R626
R622
R623
R616
R617
R618
R644
R646
R673
R692
R690
R689
R687
R686
R682
R683
R684
R674
R631
C628
C632
C631
C624
C621
C622
C623
C633
C690
R624
C656
C664
PC603
PC602
PC601
R650
R655
R695
R685
R680
R635
R688
R697
R698
1
1
1
2
4
3
R699
C691
C692
Sub Power Board (SIDE:A)
1
4
5
8
1
4
5
8
1
4
5
8
1
4
5
8
1
4
5
8
1
4
5
8
1
4
5
8
JAPAN
1AA4B10C2841B_A
1
12
1
1
1
2
3
3
1
2
2
1
3
6
13
15
5
1
1
3
2
2
1
3
1
6
31
1
3
3
1
1
3
3
1
1
15
2
2
1
3
+
5
1
C6605
C6608
C6613
C6619
C6624
C6628
C6629
C6633
C6634
C6636
C6637
C6643
C6647
C6662
C6663
C6664
C6666
C6667
C6668
C6669
C6676
C6678
CN66A
L6606
L6608
L6611
L6612
L6613
L6614
L6616
L6617
L6619
C6632
C6627
C6606
L6604
L6603
C6674
C6609
C6612
C6614
C6617
C6618
C6620
C6623
C6625
C6626
C6639
C6641
C6642
C6644
C6645
C6646
C6653
C6654
C6661
C6671
C6673
D6603
D6604
D6606
D6607
D6608
D6609
D6611
D6624
D6627
D6631
D6632
D6633
D6634
D6663
IC6602
IC6603
IC6604
IC6606
IC6607
IC6608
IC6609
IC6611
IC6612
IC6613
IC6616
K66E
K66F
K66J
K66K
K66L
K66M
L6607
L6609
Q6603
Q6604
Q6611
Q6612
Q6618
Q6623
Q6624
Q6626
Q6627
Q6628
Q6661
R6620
R6621
R6622
R6623
R6624
R6625
R6626
R6627
R6628
R6629
R6631
R6632
R6633
R6634
R6636
R6637
R6638
R6640
R6641
R6642
R6643
R6644
R6645
R6646
R6647
R6648
R6649
R6650
R6651
R6653
R6654
R6656
R6657
R6658
R6659
R6660
R6661
R6662
R6663
R6665
R6667
R6670
R6673
R6674
R6682
R6683
R6684
R6686
R6687
R6689
R6691
R6692
R6708
R6709
R6710
R6711
R6712
R6713
R6714
R6719
R6722
R6723
R6724
R6725
R6726
R6727
R6728
R6729
R6731
R6732
R6739
R6742
R6775
R6777
R6779
R6781
R6787
R6788
R6794
R6720
C6778
C6622
C6655
K66D
R6730
R6721
IC6601
R6611
C6603
C6602
C6601
R6604
R6602
R6606
R6601
K66G
R6605
C6659
D6605
D6601
Q6622
Q6625
Q6629
R6610
R6795
L6601
K66N
R6655
R6733
Filter Board (SIDE:A)
L601
(LIVE)
T8AH 250V
TYPE215008
F.G
1AA4B10C2841D_A
VA601
1
3
1
3
JAPAN
F601
K6AA
K6AB
F601A
C601
C602
C603
C604
R601A
F601B
Drive Board “CN16C”
Lamp Ballast Unit “K7A”
Filter Board “K6AB”
Sub Power
Board
“CN66A”
Main Board “K8D”
Main Board “K8G”
Main Board “K8E”
Connect
Board
“K66Q”
FN906
FN903
FN902
FN901
Power
Baord
“CN6A”
SW905
SW902
Power Board
“K6AC”
Drive Board (SIDE:A)
16
10
9
8
1
85
4
1
16
10
9
8
1
20
11
10
1
20
11
10
1
JAPAN
1AA4B10C2841C_A
3
2
1
10
10
10
10
1
1
1
1
2
1
3
1
4
4
8
1
1
1
12
1
41
IC1603
IC1602
IC1611
IC1601
CN16C
C1636
C1631
C1626
C1622
C1621
C1608
C1604
C1614
C1601
D1604
R1672
R1671
R1669
R1661
R1658
R1657
R1656
R1655
R1652
R1651
R1611
R1607
R1614
R1603
K16N
IC1652
IC1651
IC1641
IC1632
IC1631
D1675
D1603
D1602
D1611
D1601
C1679
C1678
C1677
C1676
C1675
C1674
C1673
C1663
C1662
C1661
C1642
K16M
K16T
K16L
K16R
K16S
R1621
R1622
IC1621
R1662
Zoom/
Focus
Motors
Lens
Shift
Connect
Board
“K9B”
Main Board
“K8T”
AV Board
“K10T”
Speakers
Power
Board
“CN6C”
I/F Board “K70B”
-1-
Printed Wiring Board Diagrams PLC-XP46 (MA8AA) Page A13 [Left]
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