Text preview for : LCD32X_H8T_F8T+(+Chassis+UE8L)lt32dr51 lg4b10y0770a.pdf part of jvc lt32dr51 1LG4B10Y0770 esquema



Back to : LCD32X_H8T_F8T+(+Chassis+ | Home

Nota :
Este manual de service también puede utilizarse con
las siguientes marcas y modelos salvando la cosmética :

Noblex 32LC829FT y 32LC831HT
Philco PLF3211T y PLH3211T
JVC LT32DR51

FILE NO.
SERVICE MANUAL LCD Television
Model No. LCD-32XH8T
LCD-32XF8T
Service Ref.No. LCD-32XH8T-00
LCD-32XF8T-00
LCD-32XH8T-01
LCD-32XF8T-01




Product Code:
LCD-32XH8T: 1-130-255-16
Contents LCD-32XF8T: 1-130-255-17
Safety Notice...............................................2
Specifications..............................................3
Original Version
Chassis Block Diagrams..........................4-5
IC Block Diagrams ..................................6-8
Chassis Series: UE8-L
On-screen Service Menu System..........9-10
Service Adjustments............................11-13 Give complete "SERVICE REF. NO." for
Mechanical Disassembly.....................14-17 parts order or servicing.It is shown on the
Cabinet Parts List.....................................18 rating lable at the cabinet back of the unit.
Chassis Electrical Parts List.................19-35
Printed Wiring Board............................36-42
Schematic Diagram..............................43-48 This T.V. receiver will not work properly
in foreign countries where the television
transmission system and power source
differ from the design specifications. Refer
to the specification table.



Z5HV/Z5HW/Z5HVA/Z5HWA REFERENCE NO.
Safety Notice
Safety Precautions

The following precautions must be observed.

1:Comply with all caution and safety-related notes provided on the cabinet back, cabinet bottom, inside the
cabinet or on the chassis.

2:When replacing a chassis in the cabinet, always be certain that all the protective devices are installed
properly, such as, control knobs, adjustment covers or shields, barriers, etc..

DO NOT OPERATE THIS TELEVISION WITHOUT THE PROTECTIVE SHIELD IN POSITION AND
PROPERLY SECURED

3:Before replacing the cabinet cover, thoroughly inspect the inside of the cabinet to see that no stray parts or
tools have been left inside.

Before returning any televison to the customer, the service personnel must be sure that it is completely safe
to operate without danger of electrical shock.




Product Safety Notice

Product safety should be considered when a component replacement is made in any area of a receiver.
Components indicated by mark in the parts list and the schematic diagram designate components in
which safety can be of special significance.
It is particularly recommended that only parts designated on the parts list in this manual be used for
component replacement designated by mark .
No deviations from resistance wattage or voltage ratings may be made for replacement items designated
by mark .




-2-
Specifications
Model LCD-32XH8T/LCD-32XF8T
Maximum Visible Range 80cm (Screen Diagonal Size)
Picture Resolution LCD-32XH8T: 1366(H)x768(V) ; LCD-32XF8T: 1920(H) x 1080(V)
Viewable Angle (L°/3) L/R: +/-89D, U/D: +/-89D H
Brightness 450 cd/m²
Degree of Colour Coverage 30%
Mobile Trailer Time 6.5 ms
Voltage AC100-240 V, 50/60Hz
Power Consumption 125W
Digital TV System SBTVD
Video decoder: Up to H.264
Audio decoder: MPEG4, Dolby Pulse, Dolby Digital, Dolby Digital Plus
Analogue TV System PAL-N, PAL-M, NTSC M
Aerial input impedance 75
Speaker Size Mains: 6cm x 12cm x 2pcs
Sound speciality Maximum Output Power is 10W+10W
Total Harmonic Distortion (THD)10%
Input terminals PC input terminal : RGB X 1
HDMI terminal: x 3
Audio: Mini stereo jack x 1 (Audio input of PC)
Video: Composite video terminals x 2 (1Vp-p, 75)
S-VIDEO input: x 1 (DIN 4-pin, Y/C separate signal input)
DVD input: Component video input Y, CB/PB, CR/PR input x 1
Audio input: (R/L) x 6 (400mVrms)
USB terminal: X 1
Output terminals Audio Monitor Output: R/L x 2 (400mVrms, 1K)
S/P DIF (Coaxial) Output x 1
Headphone Jack : Mini stereo jack x1
Dimensions
(Width x Height x Depth) LCD-32XH8T: 795mm X 545mm X 236mm (Including Stand)
LCD-32XF8T: 795mm X 545mm X 236mm (Including Stand)
Net Weight
(Including Stand ) 11.5 KG
Operating Environment
Operating Temperature 0ºC~40ºC (32ºF~104ºF)
Operating Humidity 20~80%
Storage Temperature -10ºC~50ºC (14ºF~122ºF)
Storage Humidity 20~80%




-3-
Chassis Block Diagrams
MAIN SIGNAL PROCESSING CIRCUIT




-4-
Chassis Block Diagrams
POWER SUPPLY IC

12VA 200mA 5V_B1
LDO Tuner

IF AMP
Pre audio AMP

12VP 0.4A
FET-SW VCC PANEL

ON_PANEL
5VSTB 2A
5VD 3.3VA(3.312V,639mA)
FET-SW LDO EEPROM
MSD309
3.3VD(3.31V,77mA) 1.8VA(1.786V,611mA)
PWR ON/OFF
PS331 LDO DDR
1.2V(1.195V,70.30mA) MSD309
LDO Demod
Demod

1.32V(1.314V,762.5mA)
DC-DC MSD309
POWERBOARD 2.5VDemod(2.505V,28.1mA)
LDO Demod
2.5VA(2.5V,111.5mA)
(5.014V,500mA) MSD309
USB
13V 1.8A
AMP


5VSTB 100mA 3.3VSTB(3.318V,58.35mA)
LDO FLASH
MSD309
IR RESET CIRCUIT
KEY

24V/3.41A(MAX)
Backlight




-5-
IC Block Diagrams
IC5501 MSD309PX-LFM
IC5501

MSD309PX-LFM




MIUB_MCLKZ




MIUB_DQS1B




MIUB_DQS0B

MIUB_DQM0


MIUB_DQM1




MIUB_MCKE
MIUB_MCLK




MIUB_DQS1




MIUB_DQS0
MIUB_CASZ




MIUB_RASZ




MIUB_WEZ
MIUB_ODT




MIUB_BA0

MIUB_BA1


MIUB_BA2


TS_D2


TS_D0


TS_D1
L5503
X


RXO0-




1




8
TSSTART
MIUB_DQ[0-15]




TS_CLK
TSVAL0




PWM1

PWM0
SDA

SCL
MIUB_DQ[2]

MIUB_DQ[5]




MIUB_DQ[0]

MIUB_DQ[7]




MIUB_DQ[8]




MIUB_DQ[9]




MIUB_DQ[6]

MIUB_DQ[1]


MIUB_DQ[4]
MIUB_DQ[3]
MIUB_DQ[13]
MIUB_DQ[10]




MIUB_DQ[15]




MIUB_DQ[14]


MIUB_DQ[11]


MIUB_DQ[12]
RXO0+




2




7
RXO1-




3




6
MIUB_A[0-13] RXO1+




4




5
MIUB_A[8]


MIUB_A[6]
MIUB_A[2]

MIUB_A[4]




MIUB_A[0]




MIUB_A[9]

MIUB_A[7]

MIUB_A[5]

MIUB_A[1]
MIUB_A[3]
MIUB_A[13]




MIUB_A[11]




MIUB_A[12]

MIUB_A[10]
L5508
X
VCC1.32V




RXO2-




1




8
RXO2+




2




7
RXOC-