A4
BLK_MA8A
AC CORD
SW905
THERMAL SW
3
1
6
2
12
8
1
14
5
7
12
8
6
3
4
5
9
11
7
8
10
K6AA
1
3
K6AB
K6A
1
K66F
K8G
1-2
5
7
10-12
9-10
1-2
5-6
1-2
4
6
8
9
10
11
5
K66E
K66D
K8E
K8D
15
13
12
2
3
K7A
K66G
K66J
K66K
K66L
K66M
CN6A
9-11
3-4
4
4
6
1
7
7
1
6
6
1
4
CN66A
L601
T601
D604
C616
DS602
T651
D682
D681
D683
D684
IC681
Q681
D686
D651
MAIN BOARD
POWER BOARD
LAMP BALLAST
BOARD
AV BOARD
S-5V
16V
IC651
SWITCHING
IC601
P. F. CONTROL
TSW601
Q6624
Q624
VR601
DB601
16V
FN
906
FN
905
Q621/
Q622
Q601
VR681
IC6606
Q6611
Q623
PC601
PC602
Q6623
Q6626
Q6603
Q6604
Q6628
Q6613
ERROR
AMP
FN
903
FN
904
FN
901
FN
902
D1653
7,8
9,10
CN16C
6V
IC801
CPU
15VP
15.7V
15V
S5V
CONTROL
BOARD
RC1 BOARD
TEMP BOARD
S5V
K68A
K8J
6
S5V
K28A
K8U
1
K16I
K8X
3
1
5
33-36
39-42
45-48
51-54
K8C
K10P
9V
5V
S-5V
S5V
F601
IC6602
IC6604
IC6603
IC6616
Q6614
Q6612
1
2
3
IC_RST
IC6607
12VF2
12VF1
D6610
D6615
D6612
D6613
D6614
D6616
3
1,2
4
8
1
7
4
S5V
3.4V
5VPC
6V
16V
15V
IC6618
Q6616
Q6617
IC_RST
IC6608
Q6625
5VD
Q6629
5VA
Q6622
Q6661
D6661
D6663
9V
15VP
S-5V
3.4V
9V
15VP
S-5V
3.4V
15V
5VD
5V
A
S5V
15V
5VD
5V
S5V
5VD
S5V
C3.3V
IC391
S3.3V
IC392
S2.5V
IC4801
9V
15.5V
Q3571
3.3VD_AC
IC2302
3.3VD
IC3364
5V_DV
12V
IC3381
IC3502
D3571
D3501
15VP
13V
D2592
D3301
D2304
9VA
S5V
D1604
P. FAIL
1
2
K16R
K8T
FILTER
BOARD
SW902
INTER
LOCK
SW
PC603
16V
S-5V
10VA
15.7V
FAN DRIVE
KCN6C
7,8
9,10
TO M-DRIVE
Q6627
SCL/SDA/CS1
SCL/SDA/CS2
SUB POWER
BOARD
Q6609
D6617
D6618
IC_RST
F
AN DRIVE
SDCL
SAA
F
AN_CS1
F
AN_CS2
P
. F
A
IL
IC_RST
F
AN DRIVE
SCL
SD
A
F
AN_CS1
F
AN_CS2
From Power Board
IC_RESET
SCL
SDA
FAN-SW
Q4807
5
125
136
123
137
51
52
110
111
5
LAMP_SW
LAMP_DET
K8L
1
3
LAMP
BALLAST
D4814
P-FAIL
FAN DRIVE
DRIVE
BOARD
S5V
IC1872
TEMP
SENSOR
IC1871
TEMP
SENSOR
1 2
1 2
2.5V
IC451
3.3V
R2591
10VA
9V
IC6601
9V
A
R697
R698
IC3103
5V1
IC3102
5V2
5V
3.3VD_AV
IC1161
3.3VD_A/D
IC234
3.3V_AV
IC232
D1161
P. FAIL
P
. F
A
IL
FAN DRIVE
15.7V
12V
IC1621
9V
5V
S-5V
S5V
IC6609
■
Power Supply Lines
Summary of Contents for LV-7545U
Page 2: ...CANON Power Projector LV 7545E D78 5231 SERVICE SMANUAL ...
Page 9: ......
Page 10: ...Part 1 General Information ...
Page 24: ......
Page 25: ...Part 2 Repair Information ...
Page 46: ...Part 3 Adjustment ...
Page 69: ...Part 4 Troubleshooting ...
Page 86: ...Part 4 Troubleshooting 4 17 BH3540 Volume Control IC1652 CXA2101AQ RGB Matrix IC4101 ...
Page 90: ...Part 4 Troubleshooting 4 21 LB1645 Motor Drive IC1601 LC863316 SUB CPU IC1851 ...
Page 91: ...Part 4 Troubleshooting 4 22 ML60851 USB I F IC9801 M62393 D A IC212 IC2381 ...
Page 93: ...Part 4 Troubleshooting 4 24 SII161ACT DVI I F IC8001 STR Z2156 Power Switching IC651 ...
Page 94: ...Part 4 Troubleshooting 4 25 TA1287 RGB YUV Converter IC4551 TB1274AF Video Decoder IC1101 ...
Page 95: ...Part 4 Troubleshooting 4 26 TDA7056 Audio Output IC1631 IC1632 ...
Page 96: ...Part 5 Parts Catalog ...
Page 97: ......
Page 113: ...Part 6 Electrical Diagrams ...
Page 130: ......