6-4
■
Chassis Block Diagrams
IC9401
DIGIT
A
L
TURBO
B-LCD PANEL
G-LCD PANEL
R-LCD PANEL
IC8201
A/D
IC3501
NRS_SW
IC101
VIDEO
DECODER
IC5303
SYNC_SW
PO
WER
SUPPL
Y
COMPUTER/
COMPONENT
COMPUTER/
COMPONENT
IC5001
A
UDIO-SW
IC5002
V
OLUME
CONTR
OL
IC5003
A
UDIO-AMP
.
SPEAKER
CONTR
OL
POR
T
USB
IC9801
RS-232C
DRIVER/RECEIVER
IC9861
USB
CONTR
OLLER
SWITCHING
PO
WER
SUPPL
Y
BRIDGE
DIODE
LINE
FIL
TER
IC8821
TEMP
.
SENSOR
IC8802
TEMP
.
SENSOR
IC8801
TEMP
.
SENSOR
KEY SW
R/C PRE AMP
AC
100~240V
LAMP
BALLAST
LAMP
S-VIDEO
A
V
IC801
FLASH R
O
M
IC1841
EEPR
OM
IC1861
INVER
TER
AUDIO
H /
V /
G_SYNC
G_SYNC
H/V
H/V
H/V
VIDEO
Y/C
Y/C
RESET SW
RGB(SCAR
T)
Y
,Cb
,Cr (480i, 575i)
RGB /
Y,Cb
,Cr
L/R
L/R
RGB
H/V
Video
Y/C
A
udio
RGB/Component
B
G
R
IC5301
RGB_SYNC
IC5302
YUV_SYNC
IC1881
INVER
TER
IC1882
SUB CPU
FAN
CONTROL
FANS
LED
PO
WER
FA
IL
SYSTEM B
U
S
IIC BUS
SYSTEM B
U
S
VIDEO
RGB
YUV
IC5201
RGB
SELECT
OR
IC301
MAIN CPU
,
OSD
,
De-INTERLA
CE
IC401
COLOR
CORRECTION
IC501
B-P
ANEL
DRIVER
IC531
G-P
ANEL
DRIVER
IC561
R-P
ANEL
DRIVER
+
D-SUB_15
UNIT_LAMP B
ALLAST
FIL
TER BO
ARD
THERMAL
SW
SW BO
ARD
CONT BO
ARD
SENSOR BO
ARD
UNIT_PO
WER
R/C BO
ARD
LAMP CO
VER SW
IC1801
EXP
ANDER
IC1802
EXP
ANDER
IC3551
DA
C
IC3561
DA
C
IC3571
DA
C
Y,Cb
,Cr
KEY
LED
IC401
A
UDIO
VIDEO
LCD
DRIVER
FA
N
LCD
DRIVER
A
V
BO
ARD
MAIN BO
ARD
IC1871
COMP
ARA
TO
R
Remark :
This mar
k means IIC
-controlled IC
.
IC1811/14
B
UFFER
KEY
OPTION
RXD/TXD
FUSE
P.
F.
CONTR
OLLER
RGB/Component
●
Chassis Overview
Содержание LV-S3E/D78-5423
Страница 2: ...CANON Multimedia Projector LV S3U D78 5422 LV S3E D78 5423 SERVICE SMANUAL ...
Страница 9: ...Part 1 General Information ...
Страница 24: ...Part 2 Repair Information ...
Страница 42: ...Part 3 Adjustment ...
Страница 59: ...Part 4 Troubleshooting ...
Страница 73: ...Part 4 Troubleshooting 4 14 BA7078AF Sync Detector IC5301 BA9743AFV DC DC Converter IC371 ...
Страница 74: ...Part 4 Troubleshooting 4 15 LM4865 Audio Amplifier IC5003 PW168A Scaler Main CPU IC301 ...
Страница 75: ...Part 4 Troubleshooting 4 16 TA1370FG Sync Separator Frequency Counter IC5302 VPC3230D Video Decoder IC101 ...
Страница 76: ...Part 5 Parts Catalog ...
Страница 77: ......
Страница 93: ...Part 6 Electrical Diagrams ...