Canon LV-X2U/D78-5352, Service Manual

Page: 83 / 90

B1 SCH_0.7_XGA_&_SVGA_2nd_(Eng)
■
Printed Wiring Board Diagrams
(0.7 XGA & SVGA 2nd)
AV Board (SIDE:A) AV 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
K100G
K20B
C1001
C1002
C1003
K10A
K10C
K20C
K20D
L1001 L1002
L1021
L1003
L1022
L1051
L2041
L2042
L2051
L2052
R1013 R1014 R1015
R1016
R1017
R1018
R2051
side A
SW1061
C2004
C2005
C2006
C2023 C2024
K10B
K10D
K10P K10Q
K20A
L1041
L1065
L1066
L2004
L2005
L2006
L2025
1AA4B10C2910A_A
L2024 L2023 L1057 L1056 L1055 L1054
L1053
L1052 L1042
D1043
D1044
D2021
D2022
D2023
D2041
D2042
D2051
D2052
D2053 D2054
D2024
D1041
D2043 D2044
D1042
K100G
SW1061
K20D
K20C
K20A
K10D
K10C
K10B
K10A
K20B
side B 1AA4B10C2910A_A
C1021
C1022
C1023
C1042
C2021
C2025
C2041
C2042
C2051
C2052
L2021 L2022
R1001
R1002
R1003
R1004
R1005
R1006
R1007
R1008
R1009
R1010
R1011
R1012
R1021
R1022
R1023
R1024
R1026
R1027
R1042
R2027
R2028
R2031
R2033
R2034
R2041
R2042
R2043
R2044
R2052
R2053
R2054
R1061
C1061
C1041
C1065
C1066
C2001 C2002 C2003
C2022
L2001
L2002
L2003
R1041
R1043
R1065
R1066
R2001
R2002
R2003
R2004
R2005
R2006 R2007
R2008
R2009
R2010
R2011
R2012
R2014 R2015 R2016
R2022
R2023
R2024
R2025
R2026
R2021
R1044
D1001
D1002
D1003
D1022
D1026
D1027
D1028
D1029
D1051
D1052
D1053
D1054
D1056
D1059
D2025
D1055
D1058
D1061
D1065
D1066
D1067
D1068
D2001
D2002
D2005
D2006
D1057
D2003
D2004
D1021
RC Board (SIDE:B)
Sub Board (SIDE:A) Sub Board (SIDE:B)
L1
RB572
RB571
R575
R574
R573
R569
R565
Q561
PB5
L563
L562
L561
C578
C573
C569
C568
C565
R578
R576
R561
R2527 R2526
R1575
R1401
K5GS
K5G
32 1
C2520
C1576
C1565
C1402
C1573
C1577
L1561
L1562
R1572
RB533 RB532 RB531
R532
R531
R1545
R1543
R1542
R1532
R1531
C546
C545
C542
C537
C536
C534
C533
C532
C531
C1548
C1547
C1546
C1545
C1543
C1542 C1536
C1535
C1534
C1533
C1532
C1531
C1516
C2602
C2612
C2613
C2621
C2624
C3562
C3563
IC2611
IC2621
K26P
L3561
R1501
R1502
R3563
R3564
R3565
R3566
R3567
R3581
R3582
R3583
R3584
R3585
R3586
C2601
PB6
Q2601
R1412
R1403
R1402
C1401
X7271
RB563RB562
RB561
R571
R1452
R1451
L1451
K5RS
K5R
32
1
K25V
8
1
IC7271 8
7
C581
C580
C577
C575
C571
C564
C563
C562
C561
C1451
R511
R502
R501
R1513
R1512
K5BS
K5B
32
1
C512
C507
C506
C504
C503
C502
C501
C2505
C1517
C1515
C1513
C1512
C1506
C1505
C1504
C1503
C1502
C1501
C428
C7276 C7279
1
8
4
5
IC1480 1
8
4
5
1
20 1 20
1
14
16
9
IC7272
K72Y
C401
C402
C406
C411
C412 C415
C426
1
20
10
11
IC410
1
20
10
11
IC420
11
10
11
K4M
RB406
IC440
IC430
10
C7271
RB404
RB403
RB402
RB401
PB7
K4L
C413
C407
C405
C408
C409 C410
C414
RB405
IC1481
C1480
B10C3200B
C1518
C516
R516 R518
R562
R566
R567
R568
R572
RB511 RB512
L8
D
D
E
E
F
C
F
C
B
A
B
side b
A
R2548
R2545
R2544
R2543
R2542
R2541
R2540
R1574
R1573
IC561
48
32
64
33
17
49
16
1
48
32
33
49
C576
C572
C567
C566
C2542 C2541
TP504G
TP503G
TP1401T1401
R2531
R2530
R2529
R2528
R2525
R2524
R2523
R2522 R2521
R2520
R1404
L1563
IC1561
64
17
16
1
IC1401
5 4
8
1
C2524
C2522
C2521
C1578
C1575
RB542 RB541
R548 R546
R545
R544
R538
R537
R536
R535
R1544
R1515
R1514
L1533
L1532
L1531
L1503
IC531
48
32
64
33
17
49
16
1
48
64
49
1
IC1531
48
32
64
33
17
49
48
64
49
C548
C535
C518
C1404
C1403
C2611 C2614
C2622
C2623
C2625
C3564
C511
C513
C515
C517
C538
C539
C541
C543
C547
C550
C551
D2611
1 24
12
13
IC3561 L503
L531 L532
L533
Q531
R1405
R1406
R1407
R1408
R2501
R2502
R2504
R2611
R2612
R2613 R2614
R2621
R505
R512
R513
R514
R515 R539
R541
R542
R543
D2601
Q2602
Q2603
R2601
R2602
R2602A
R2603
R2604
R2605
R2606
R3568
R3569
R3571
R3572
R3573
R3574
R3611
R3612
R3613
R3614
R3615
R3616
R3617
R3618
1
IC1501
1
16
L1401
TP506R
TP505R
TP1451
T1451
R7294 R7292 R7290 R7289
R7286
R7282
R7281
R7280
R7277
R7276
R2551
R2550
R2549
R2547R2546
R1562
R1561
R1454
R1453
Q7274
Q7272
IC1451
5 4
8 1
C7280
C7275
C7274
C7273
C2545
C2544
C2540
C1564
C1563
C1562
C1561
C1454
C1453
C1452
TP502B
TP501B
RB503
RB502
RB501
R509 R508
R507
R506
R3619
R3576
R3575
R2517
R2516
R2515
R2514
R2511
R2510
R2509
R2508
R2507
R2506
Q501
L502 L501
L2502
L2501
L1502
32
33
17
16
32
33 17
16
D2621
D2503
D2502
D2501
C509 C508
C505
C2509
C2507
C2506
C2504
C2503
C2502
C2501
C1483
C427 C7277
C7281
C7282
C7283
C7285
Q7271
Q7273
Q7275
Q7276
Q7277
R1481
R1484
R1486
R1488
R2512
R464
R472
R473
R474
R480
R481
R482 R7271
R7275
R7278 R7279
R7284
R7285
R7287 R7288
R7291 R7293
C403
C404
C416
C425
C430
C7272
R415
R416
R418
R431
R435
R436
R437
R438
R439
R440
R441
R450
R451
R452
R453
R455
R456
R461
R462
R463
R465
R466
R467
R468
R469
R470
R471
R476
R7274 R7273 R7272
R475
R486
R485
R484
R483
R479
R478
R477
R460
R459
R458
R457
R430 R429
R428
R427
R426
R425
R424
R423
R422
R421
R420
R417
R412 R411 R410 R409 R408 R407 R406 R405 R404 R403 R402 R401
R1485
R1483
R1482
C422
C421
C420
IC401
R7283
R2513
R1487
C7278 C1482
C1566 C1572
C2546 IC501
L1501
R2503 R2505
b side A2801
C2801
D2801
D2802
R2802
R2801
K28D
C2802
RC Board (SIDE:A)
B10C3200C
a side
Main Unit
K50B
Main Unit
K50A
Main Unit
K8D
LCD Panel
G
LCD Panel
B
LCD Panel
R
Main Unit
K8L
Main Unit
K72S
Main Unit
K22V
Main Unit
K56B
Main Unit
K8M