Canon LV-7545U Service Manual page 117

Circuit Block Diagram
DIGITAL
DVI
IC212
D/A
14
2
2
I C
I
3
12
CG1/CG2
ANALOG
22
1
20
RGB
3
5
H-SYNC
18
8
V-SYNC
10
16
12
IC5203
RGB-SW
IC1021
PR/R
IC1041
IC5204
IC7141
CV/Y/G
SYNC-SW
SYNC-DET
IC1051
PB/B 11 H
9
1
5
H 3
V
8
6
16
V
CG1/CG2
IN2/IN3
1
22
3
IC141
VIDEO/Y
5
20
CV
Cb/Pb
18
8
10 16
Cr/Cb
12
IC101
PROG-SW
Y
C
IC5001
S_SW IN
AUDIO-SW AUDIO CONTROL
L
L/R
1
CG1 3
12
R
L/R 13
5
CG2
14
AV_SW1
10
L/R
2
VIDEO
9 AV_SW2
15
VOLUME
SPEAKER
SPEAKER
IC3801
AIR MOUSE
RS232C
SERIAL TXD TXD
7 10
PORT
RXD
12
13
USB_D+, D-
USB
RC
BLK_MA8A
IC8001
DVI I/F
IC211
IC3214
CLAMP
47 48
2
18
CLAMP
4 16
IC201
RGB-SW
TP20R
R
TP21R 40
IC221
1 20 119
IC231
8 TP20G
G
A/D I
3
TP21G IC222
10 18 110
5 TP20B
3
B
12
TP21B IC223
16 100
22 138 140
CG/HD_SW
IC3224
IC3231
BUFFER
H/V SYNC-SW
GHS
IC7221 1 15 2 18
H-SYNC
GVS
2 13 2 16
14 4
V-SYNC
3 3
IC7222
5 11 5
CV SECAM
IC1141
NTSC/PAL-SW
1,4,8
Y
5
83
CV 1 15
88
3 84
4 13
Y/C
NTSC
C
IC1101 7
2 14
5 IC3101
3DY/C SEP. 12
VIDEO
9,10,11
CV Y/C
DECODER
PAL
25
7
IC2101
27 19
Q1143 Y
PAL-Y/C
SEP. 16 18
2
17 I C PB
15
NT_PAL
17
PR
44
43
13,14
IC1651
IC1652
AUDIO AMP
2
I C
L
15 6 7
10
R
7
2 2 1
3
14 MUTE
12
IC1632
AUDIO AMP
14
5
17
R
IC1631 LAMP_SW
AUDIO AMP L
14
FAN_SW
5
17
IC3803
IC3804 LAMP. DET
(MOUSE2)
P. FAIL
5 19 MOUSE/CPU_SW2
4 14
|
|
R/C
12 18
5
CPU_TXD(TXD)
RXD
IC9801
USB
CONTROLLER
IC804
FLASH ROM
IC803
SRAM
IC351 IC341
IC304
FLASH ROM SRAM
CONTROL
MEMORY
A0-A15 D0-D15
IC301
IC9401
SCAN
GB00-7
GBE0-7 DR0-7
DIGITAL
CONVERTER
GG00-7
DG0-7
GGE0-7 DB0-7
SYSTEM ENHANER
GR00-7
GRE0-7
CONTROL
323
34 133
5 4 9
246 224
TPHS
TPDVS TPDHS
TPRST
DHS
TPVS 3
DVS TPVRST
H V 2
DCLK
5
V_CR0-7
IC3351
V_CY0-7
V_CB0-7
BUFFER
IC4101
RGB-MATIX
TP401CR
23
67
TP401CB IC4181
BLANK-SW
22 68
B
TP401Y
35 1 15
69
21
2
R
IC4111 39
13 14
H
11 10
9 66
37 12
1,3 2,4 G
3 4
13 12
65
4
V
AVH
33
AVV
TP4111PR
32
73
TP4111PB 79
H_OUT
74
6
2
80
TP4111Y 7
V_OUT 3
75
55,56
IC2381
D/A (BLANK)
2
I C
IC801
MAIN CPU
IC1801
138 IC808
SERVICE
I/O EXPANDER
137
29 2
I C
30 MEMORY
123 4
5
2 5
51
I C_2
125
52 6
9
13
143
14
18
46
49
133
50
51
52
59
60
61
POWER
5
B
IC401
DIGITAL
G
DBA0-9
3D
DGA0-9
DRA0-9
COLOR
R
CORRECTION
7,8,13
IC3321
17
6
IC3301
IC3331
TIMING
18 5
CONTROLLER
15
23
IC3341
CENT
REF
IC4551
IC2301
IC4201
RGB-YUV
A/D I/P CONV.
CONV.
TP4151B TP2301R
3
43
15
8 CB
2
I C
TP4151R TP2301G
1
14 48
CLK
6 Y
54
TP4151G TP2301B
2
4 54
58
7
CR
30 31 56 57
2
IC6301
I C IC1851
SGRAM
SUB
CPU
7
IC4232
2
I C 3
4
17
2 6
IC4231
CLOCK
DRIVER
1 2 1 2 1 2
IC1871 IC1872 IC1691
TEMP. SENSOR TEMP. SENSOR TEMP. SENSOR
A_SW1
A_SW2
IN2/IN3
LENS_TOP
LENS_CEN
S_SW IN
9,10
MOUSE 2
A_MUTE
CG1/CG2
AV/CG
4,5
CG/HD_SW
READY
WARNING
2
2
LAMP_RED
WARNING I C
3
READY
LAMP REPLACE 6,7
IC1641
POWER
MOTOR CONTROL
TP501
TP1501
IC501
B-LCD
S&H_B1
PANEL
IC1501
S&H_B2
TP531
TP1531
IC531
G-LCD
S&H_G1
PANEL
IC1531
S&H_G2
TP1561
TP561
IC561
S&H_R1 R-LCD
PANEL
IC1561
S&H_R2
TP2251
IC2552 IC2551
NRS
DRIVER
7
4
IC2553
2
1,2 3,5
3
IC3501
2
3
12
I
15
IC3551
LENS SHIFT
MOTOR
IC1601
M
LENS SHIFT
5,6
2,10
MOTOR DRIVER
FOCUS MOTOR
IC1611
FOCUS MOTOR M
2,10
5,6
DRIVER
ZOOM MOTOR
IC1602
M
ZOOM MODER
5,6 2,10
DRIVER
A3