PCB_KL8A
A19
1AA4B10C6760E
PWB, RC REAR KL8A
PARTS SIDE
A2801
R2801
D280
1
D2802
C280
2
C2801
1
4
A30C5
K28A
MAIN
“K28D”
Printed Wiring Board Diagrams
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.
!
CAUTION
rc rear (side:B)
POWE
R
LAM
P
WARNING TEMP
WARNING FILTER
SHUTTE
R
LAMP REPLACE
1AA4B10C6760F
PWB, RC-LED KL8A
PARTS SIDE
A2821
A282
2
C281
3
D281
8
D281
9
D282
1
D282
2
D282
3
D282
4
1
13
A30C5
K28B
rc-Led (side:a)
rc rear (side:a)
SOLDER SIDE
A2801
A30C5
MAIN
“K28C”
rc-Led (side:B)
PWB, CTRL. KL8A
1AA4B10C6740B_A
AUTO PC ADJ.
INFORMATION.
DOWN
SELECT
RIGHT
LEFT
INPUT
UP
ZOOM
MENU
FOCUS
LENS SHIFT
LIGHT
ON/STAND-BY
SHUTTER
SW6801
SW6802
SW6803
SW6804
SW6806
D6801
D6802
D6803
D6804
D6806
D6807
D6808
D6809
SW6811
SW6812
SW6813
SW6814
SW6816
D6811
D6812
D6813
D6814
D6816
D681
7
D6818
SW6821
SW6822
SW6823
SW6824
SW6826
D682
6
R688
4
R6886
1
13
A30C
5
SW6801
SW6802
SW6803
SW6804
SW6806
D6801
D6802
D6803
D6804
D6806
D6807
D6808
D6809
SW6811
SW6812
SW6813
SW6814
SW6816
D6811
D6812
D6813
D6814
D6816
D6817
D6818
SW6821
SW6822
SW6823
SW6824
SW6826
D6826
R6884
R6886
K68A
cam6
K68A
coNtroL (side:a)
MAIN
“K68B”
Q6801
C6805
Q6802
Q680
3
Q680
4
Q680
6
Q680
7
Q6808
Q6809
C681
0
Q6811
C681
5
C6819
Q681
6
R6801
R680
2
R6803
R6804
R680
6
R680
7
R6808
R6809
R6811
R681
2
R6813
R6814
D6819
R6816
R681
7
R6818
R6819
D6821
D6822
D6823
D6824
R6821
R6822
D6827
R6823
D6828
R6824
D6829
R6826
R6827
R6828
R6829
D6831
D6832
R6831
R6832
R6833
R6834
R6836
R6837
R6838
R6839
R6841
R6842
R6870
R6875
R6880
R6887
R688
8
R6889
R689
1
R6892
R6893
RB6801
RB6802
A30C5
cam
5
K68A_1
K68A_2
K68A_3
K68A_4
K68A_5
K68A_6
K68A_7
K68A_8
K68A_9
C6805
Q680
1
Q680
2
Q6803
Q6804
Q6806
Q6807
Q6808
Q6809
C6810
C681
5
Q6811
C6819
Q6816
R6801
R6802
R6803
R6804
R6806
R6807
R6808
R6809
R6811
R6812
R6813
R6814
D6819
R6816
R681
7
R6818
R6819
D6821
D6822
D6823
D6824
R6821
R682
2
R682
3
D6827
R6824
K68A_10
D6828
K68A_11
D6829
K68A_12
R6826
K68A_13
R6827
R682
8
R682
9
D6831
D6832
R6831
R6832
R6833
R6834
R6836
R6837
R6838
R6839
R6841
R6842
R6870
R6875
R6880
R6887
R6888
KEY01
R6889
KEY02
KEY03
KEY04
R6891
R6892
R6893
KEY11
KEY12
KEY13
KEY14
RB6801
RB6802
coNtroL (side:B)
SOLDER SIDE
A2821
A2822
D281
2
Q282
1
R284
6
D281
7
R284
7
D281
5
R282
2
Q282
7
R281
2
R283
9
R281
3
Q282
6
R284
1
R282
7
R282
1
D281
4
R284
3
Q282
2
R284
4
R282
3
D2811
R2811
C281
2
R282
8
R281
6
Q282
3
R284
9
R282
4
R281
9
R282
6
R281
8
Q282
4
R281
4
R284
8
D281
3
R282
9
C2811
D281
6
R283
8
D282
9
R284
2
D282
7
D282
6
D282
8
A30C5
Содержание 1 122 511 01
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