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6-5
IC9401
DIGIT
AL
TURBO
<LC24085>
IC301
CPU
FRC
, CSC
OSD
De-INTERLA
CE
<PW168A>
IC8201
A/D
<AD9883A>
IC5201
RGB SW /
SYNC SEP
.
<AN5870>
IC101
DIGIT
AL
DECODER
<VPC3230>
IC5301
RGB_SYNC
<BA7078>
IC5302
YUV_SYNC
<T
A1370>
IC501
B-LCD
DRIVER
<L3E06100>
IC531
G-LCD
DRIVER
<L3E06100>
IC561
R-LCD
DRIVER
<L3E06100>
IC3521
NRS
B
UFFER
<LM7171>
IC3531
NRS
B
UFFER
<L
T1206>
B-LCD
PANEL
G-LCD
PANEL
R-LCD
PANEL
SCLK/SD
AT
A
TP2531
TP2561
K25R
K25G
K25B
GR
GG
GB
+
+
IC401
COLOR
SHADING
CORRECTION
<L3E07070>
IC3531
NRS_SW
<4053>
K10D
K50A
K10E
K50B
COMPUTER IN /
COMPONENT IN
VIDEO
S_VIDEO
VY
VUV
G_SYNC
G_SYNC
480p,575p only
Other sources
H/V
H
RGB(SCAR
T)
YUV(480i, 575i)
RGB
YUV
VIDEO
Y/C
GREF
,GCO
AST
,GCLK,GFBK,CLAMP
GVS
IIC_2
IIC_1
VHS
,VVS
,VPEN,VFIELD
,VCLK,VHDREN
IC5303
PC/A
V_SW
S_SW
FILT_480p/575p
GVS
GHS
DR
DG
DB
R
OUT
GOUT
BOUT
RO
DHS
,D
VS
,DCLK
TPR1
SCLK/SD
AT
A
IC3561
DA
C
<M62398>
IC3571
DA
C
<M62398>
IC3551
DA
C
<M62393>
IC1881
B
UFFER
<74LCX541>
BO
GO
IIC_2
IIC_2
IIC_1
TPG1
TPB1
NRSA/NRSB
R/G/B_V1/V2
CBAL_SW
FPRR,FPRG
14
5
15
18,19
14
-
19
FIL
T_480p/575p
IIC_2
H
H
V
V
3
26
13
11
5
9
6
8
16
28
3
11
2
12
TPGHS
TPGVS
TP6202B
TP6202G
TP6202R
TPVHS
TPVVS
MAIN BO
ARD
A
V
BO
ARD
1
16
7
15,14
20,19,18
13,12,11
4,6 2
9
Y/C
VIDEO
CV_S
H/V
2,5
SYSTEM_BUS
S_SW
●
Video signal processing circuit and LCD panel driving circuit
Chassis Block Diagrams
Summary of Contents for LV-S3E/D78-5423
Page 2: ...CANON Multimedia Projector LV S3U D78 5422 LV S3E D78 5423 SERVICE SMANUAL ...
Page 9: ...Part 1 General Information ...
Page 24: ...Part 2 Repair Information ...
Page 42: ...Part 3 Adjustment ...
Page 59: ...Part 4 Troubleshooting ...
Page 73: ...Part 4 Troubleshooting 4 14 BA7078AF Sync Detector IC5301 BA9743AFV DC DC Converter IC371 ...
Page 74: ...Part 4 Troubleshooting 4 15 LM4865 Audio Amplifier IC5003 PW168A Scaler Main CPU IC301 ...
Page 76: ...Part 5 Parts Catalog ...
Page 77: ......
Page 93: ...Part 6 Electrical Diagrams ...