PCB_M4SA
A9
■
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
AV (SIDE:A)
C2801
D2801
C2802
D2802
1AA4B10C4220E
A-SIDE
A2801
R2802
R2804
1
4
C2803
C2804
K28D
R/C (SIDE:A)
R/C (SIDE:B)
MAIN “K8E”
B-SIDE
L1
C3058
C3059
C8076
C4003
R8052
R8053
R8054
R8056
R8057
R8058
R8059
C8081
R8061
D3051
R8062
D3052
SC1002
D3053
D3054
D3056
D3057
R3057
R3058
R3059
R3061
R3062
R3063 R3064
R3066
R3067
R3068
R3069
R3071
R3072
R3073
R3074
R3076
R3077
R3078
R3079
1 20
19
R3081
R3082
54
53
2
1
54
53
2
1
54
53
2
1
L1031
L1032
L8001
C1001
C1003
C1008
C1011
L3001
L3002
L3003
D1003
R1004
C1031
C1032
C1033
C1034
L8052
L8057
L8058
D1031
D1032
D1033
R1036
R1037 R1038
L3051
R1039
L3052
L3053
R1041
R1042
R1043
R1044
R1046
C2041
C8007
C8008
C8009
SW2041
C3003
C3004
D2041
C3006
R2041
C8024
R8002
R8003
R8004
R8006
R8008
75
51
76
100
1
25
26
50
D3001
D3002
D3003
D3004
R3001
D3006
R3002
D3007
R3003
R3004
R3006
R3007
R3008
R3009
R3011
R3012
R3013
R3014
C8051
R3016
R3017
R3018
R3019
C8057
C8058
C8059
R3021
R3022
R3023
R3024
C8061
R3026
C8063
C3057
1AA4B10C4220A
A
A
B
B
C
C
D
D
A SIDE
C3001
C3054
L1034
L1038
R1002
R1003
L8056
K10C
K10J
K10K
K10L
Q1031
Q1032
K20B
Q3001
Q3002
Q3003
IC8001
Q3051
Q3052
K100G
K10A
K10G
Q1033
Q3053
K10F
K10D
K10B
MAIN “K50A”
LED (SIDE:A)
SW2879
D2877
D2878
D2879
SC2851
C2861
C2862
C2863
C2864
D2851
D2852
D2853
D2854
D2859
D2863
1AA4B10C4220B
A-SIDE
D2861
D2862
9
1
R2861
R2862
R2863
R2864
R2866
R2867
R2868
R2869
R2851
R2852
R2853
R2854
R2856
R2857
R2858
R2859
Q2861
Q2862
Q2863
Q2864
K28G
MAIN “K8G”
MAIN “K50B”
AV (SIDE:B)
L4
C8071
C8072
C8073
C8074
C4001
C4002
C8077
C8078
C8079
R8051
C4006
SC1001
SC1003
SC1004
SC1017
SC1018
R4016
R4021
R4022
R4023
R4024
RB8001
RB8002
RB8003
RB8004 RB8006
L1033
RB8007
L1036
L1037
SC2021
SC2022
L2021
L2022
C1002
C1007
C1009
D1001
D1002
D1004
R1001
D1034
R1031
D1036
R1032
D1037
R1033
D1038
R1034
D1039
SC4001
SC4002
SC4003
D1041
L4002
L4004
L4006
R2021
R2022
C8001
C8002
C8003
C8004
C8006
C8011
C8012
C8013
C8014
C8016
C8017
C8018
C8019
C8021
C8022
C8023
R8001
R8009
C8052
C8053
C8054
C8056
C8062
C8064
C8066
C8067
C8068
C8069
B SIDE
C
A
C
B
B
A
L8051
L8053
L8054
L4001
L4003
K100G
Q4021
K10B
K10C
K10D
K10F
K10G
K20B
LED (SIDE:B)
B-SIDE
MAIN “K50C”
F.G
Содержание PLV-Z3
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