Sharp LC-40LE280X User Manual

LC-32LE280X/LC-40LE280X
5 – 1
CHAPTER 5. SYSTEM BLOCK DIA-
GRAM
[1] SYSYTEM BLOCK DIAGRAM
TUNER
External Remote and LED unit for LE360
TERMINAL
CVBS
Audio L/R
USB_DP1/DN1
HP Det
HDMI
INPUT 1 Digital/AnalogINPUT 2
POWER
MAIN
IC3301 (REALTEK)
RH-IXD927WJQZQ (RTD2936)
IC1702
Rohm AUDIO AMP
VHIBD28620M-1Y
4 pin
SP_L
SP_ MUTE
AUDIO_OUT
SPI
SPI I/F
SP_R
SP_L
SP_R
SP R
8Ω 5W
IC3101
SPI FLASH Winbond
VHIW25Q28FV-1Y
SP L
8Ω 5W
I2S_MCLK
CHEETAH SYSTEM BLOCK
data A(8)
clk A(2)
data B(8)
clk B(2)
Panel
32:WXGA
40: FHD
LVDS(8bit)
LVDS(8bit)
clk A(2)
data B(8)
clk B(2)
data A
(
8
)
IR IN
J502
Audio IN
J502
CVBS
I2S_SD
CEC IN
HDMI IN1
HDM0
DDC0
SC1501
HDMI 1/ARC
data(4
clk(2)
I2C(HDMI
HPD0_IN/D5V
Sharp TUNER
RTUDAA116WJQZQ
I2C
IF+/IF-
Built-in Demodulator

32"Powerunit
40"PowerUnit
LED Driver
OFL
ERROR
12V
SP_ STBY
SC3801
51 pin
XIN/XOUT
X3301
XTAL(27.0MHz)
I2S_SCLK
I2S_LRCLK
LED
_
R
LED G
REMOT
Key
POW_IN
J501 (1500mA)
USB IN
SC1502
HDMI 2/ MHL
_Data
clk(2)
HPD1_IN/D5V
I
2C(HDMI
RC/LED
LED
Green / Red
IR Reciever
+3.3V
REMOT
LED_G
LED_R
P102
5 pin (External
LED/RC)
12V
UART
SC501
Service Jack
Motion
13V
HDMI IN1
HDMI DDC1
S101
(Rotary Key SW)
S102
(Power SW)
J504
HP /Line out
HP Audio out
HP/Liine Out
PS_ON
P9601
13 pin
CVBS
AUDIO
USB IF

Sharp LC-40LE280X Specifications

General

Brand	Sharp
Model	LC-40LE280X
Category	LED TV
Language	English

Summary

LED Backlight TV Service Manual

Model Identification

Identifies the TV models covered by this service manual.

Safety Precautions

Service Safety Precautions

Critical safety guidelines and warnings for service personnel.

Product Outline

Major Service Parts

Product Specifications

TV Specifications

Detailed technical specifications for the TV models.

Adjustment Procedures

Adjustment Process and Key Operations

Details the steps and key operations for service mode adjustments.

Software Upgrading

Software Upgrade Methods

Instructions for updating the TV's firmware via USB.

TV Adjustment Items

Software Packages and HDCP Key

Picture and White Balance Adjustment

Procedures for picture and white balance adjustments, including auto settings.

VCOM Adjustment Method

Steps for performing VCOM adjustment using specialized equipment.

Troubleshooting

Troubleshooting Guide

Guides for diagnosing and resolving common TV issues.

Video Signal Issues

Diagnosing no video problems with RF and external video inputs.

Audio Signal Issues