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PDF LC-42FE32 Data sheet ( Hoja de datos )
| Número de pieza | LC-42FE32 | |
| Descripción | LCD TELEVISION Service Manual | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LC-42FE32 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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LCD TELEVISION
LC-42FE32
http://www.Datasheet4U.com
1 page  
Alignment instructions
1. Test equipment
Digital Multi-meter
54200 (Signal generator)
PC (FLASH writing programs have to be installed first, W24CXX.EXE)
VG849 (HDMI signal generator)
CA210 (White balancer)
DVD player (with HDMI output)
Monitor
2. The alignment flow chart (see below figure)
FLASH write N5, N9, N13, N24
Production of main board, high frequency board,
other little board, power board on the line.
High frequency board test
Main board test
Test of Button board and IR board
Combined test for general assembly
Check accessories and then packing
Input VGA signal, check if display is normal in
the state of PC and various functions (analog
control), line/ field center etc. the picture and
sound of AV-OUT should be the picture and
sound of the current channel
Input HDMI and DVI signal (use a connection
wire, input audio signal from D-sub Audio in),
check if HDCP KEY, picture and sound are
normal. the picture and sound of AV-OUT should
be the picture and sound of the current channel
Aging
ADC emendation and white balance adjustment
Input YPbPr/YCbCr 1/2 signal and check if
picture, sound and analog quantity control is
normal in the state of COMPONENT. the picture
and sound of AV-OUT should be the picture and
sound of the current channel
Connect to central sig nal source, check
various T V fu nctions (st ation search, s ystem
identify, mod ulate qua ntity co ntrol etc), chec k if
the output of earphone and speaker are normal
Picture and so und of A V-out is normal. (check
stereo/SAP and CCD, VCHIP for America) .
Input AV1/S/AV2 signal, check various functions
under each terminal (system identify, analog
control etc), check if Picture and sound of AV-out
is normal. (S-terminal and AV1 share the same
audio channel, the output picture from AV-out is
the picture of AV1 in the status of S-terminal)
Fig.1 Flow process of alignment
3
5 Page 
Block diagram
DDR
128M
FLASH
4MBITS
DDR
64M
MASTER
PWM2000
CPU
MPEG 2 decode
slowbus
30bit RGB
TV1 T312
PWM328
SCALER
TUNER1
TV2 TUNER2
TVP5147
AV1/S
AV2
DECORDER
2X
PIV331
amplify V-OUT
lvds Panel
RS-232
PIV331
YPrPb1
YPrPB2
VGA
ATMEGA8L
IR Key
Earp
MSP4440
Sound processor
NJM1109
Earphone amplify
SII9011
HDMI
receiver
TPA3008
Sound amplify
hone
Earphone
HDMI/DVI-1
HDMI/DVI-2
Note:
Video signal
Audio signal
I/O signal
Digital audio signal
HD signal
Digital signal
Speaker
9
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet LC-42FE32.PDF ] | |
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