BOXLIGHT CP-16t, Service Manual

Page: 96 / 100

A12 PCB_MD8A
■
Printed Wiring Board Diagrams
Power Board (SIDE:A) Power Board (SIDE:B)
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 volt-
ages and waveforms.
CAUTION
+
E
C B
1 2
3 4 4 3
2 1 1 2
3 4
E C B E C B
1
4
5
8
14
5
8
1
3
4 6
+
3
1
3
1 3
1 3
1AA4B10C
2780A_A
1 7
10
1
1 2
39 40
1 4
C663
K6F
C691
C692
L692
L691
L661
C661
Q661
C693
C630
K6U
C651
C653
C652
C639
D632
C632
C635
C642
C634
PC643
PC641
PC642
D651
D652
IC631
T651
C694
C686
L681
L65A
C65F
L671
C676
L693
C631
R67K
R68I
D69C
C641
R659
R656
R657
R658
R638
R637
R63E
R63C
R63A
K6S
Q681
Q65A
Q671
R65B
R65A
R681
R682
L695
C65E
R65Y
R671
R672
C671
D661
R678
C5563
R673
IC671
R67H
R67A R67B
R67G
R67J
R67I
C67A
R67E
R67F
R67D
R67C
R675
C672
C674 R676
IC5561
D5561
R5563
R5564
R5565
R5566
R5561
R5562
Q69A
D69A
R69B
R69A
D69B
R69G C695
L694
Q5561
R5567
Q65B
R65X
R65W
R677
C673
C681
R688
R689
R66B
Q691
Q67A
R69H
C69Z
C638
R645
RQ5561
K6J
D681
D65A
D671
K6M
K6L
K6K
PB2
PB1
X
X
X
X
1AA4B10C
2780A_A
1 7
10
1
1 4
E C B
1 2
3 4 4 3
2 1 1 2
3 4
E C B E C B
1
4
5
8
8 5
4
1
1 4
5
8
8 5
4 1
1 3
4 6
C663
K6F
C691
C692
L692
L691
L661
C661
Q661
K6T
C693
C630
K6U
C651
C653
C652
C639
D632
C632
C635
C642
C634
PC643 PC641 PC642
D651 D652
IC631
T651
K6R
C694
C686
L681
L65A
C65F
L671
C676
L693
R636
C643
R643
R633
D682
C655
R69C
R661
R662
Q662
R63B
R655
R660
Q651
R641
Q641
R640
R642
D634
R654
IC651
D631
R634
R63D
R63F
C658
C657
D653
C654
D633
C636
R683
IC681
R685
R686
C684
C682
R68G
R68C
R68F
R68E
R68B
R68A
R68H
R68J C68A R68D
C65B
C65D
R65G
R65E
IC65A
R65C
R65K
R65I
R65H
R651
R692
R691
R663
R664
IC5501
R5503
R5506
C5503
D5501
R5504
R5554
D5551
C5553
R5556
R5551
R5553
IC5551
R5501
R5505
R5502
R5555
R5552
D65B
D672
R652
R653 D654
R695
R696
Q5501
R5507
Q5551
R5557
R65Z
C65A
C65G
Q65C
R65U
R65V
R687
Q682
R684
Q66A R66A
Q672
R674
R679
R68K
Q68A
R644
R69R
R69S
R69F
R69E
R69D
C633
C640
R635
C637
C683
C656
R65J
R69Z
D636
Line Filter Board (SIDE:A) Line Filter Board (SIDE:B) P.F. Board (SIDE:A) P.F. Board (SIDE:B)
1
3
1
+ -
1
3
7
1AA4B10C2780B_A
Q611
FB613
L611
K6D
C617
DB611
K6C
PTH611
C611
C612
C618
C615
VR611
FB611
R613
R614
FB612
K6E
D614
TSW611
X
X
X
X
3 1
7
1
1AA4B10C2780B_A
1
3
16 10 9
8 1
Q611
FB613
L611
K6D
C617
DB611
K6C
PTH611
C611
C612
C618
C615
VR611
FB611
R613
R614
FB612
K6E
D614
TSW611
Q622
Q621
C62G
R62E
R62L
R62I
D613
R616
R615
R621
R61D
R61F
R61B
R61C
R61A
R61E
IC611
C62A
R62R
R62B
C62B
C62I
R62P
C62F C62E
R62C
C62C
C62K
R62Q
C62J
R62G
R619
R62F C62D R62A
R617
R620
R618
R62D
D618
D619
D616
D617
R62H
R62J
R622
R623
NEUT
LIVE
F601
1AA4B10C2780C_A
***
???
K6W
3
1
1
3
TYPE: 215004 T4AH
250V
K6A
L601
VA601
K6B
F601B
F601A
C604
C603
C602 C601
C606
L602
R601
X
1
3
3 1
NEUT
LIVE
F601
1AA4B10C2780C_A
K6W
K6A
L601
VA601
K6B
F601B
F601A
C604
C603
C602
C601
C606
L602
R601
R/C Board (SIDE:A)
R/C Board (SIDE:B)
1AA4B10C
2780D_A
1
4
RC2801
C2801
K28D
1AA4B10C2780D_A
RC2801
C2803
R2802
R2801
R2803
C2802
FN902
FN903
Main
Board
“K8R”
Lens
Motors
Main
Board
“K8S”
FN904
P.F. Board “K6E”
Lamp Ballast Unit “CB1”
Power
Board
“K6F”
Interlock Switch “SW904”
SW902
SW904
LF901
Main Board
“K8G”