Sharp LC-32LE440U User manual

SERVICE MANUAL
LCD COLOR TELEVISION
MODEL:
LC-32LE440U

1
CONTENTS
SAFETY PRECAUTION
IMPORTANT SERVICE SAFETY PRECAUTION............................................................................. ………………………2
CHAPTER 1. SPECIFICATIONS
[1] SPECIFICATIONS .........................................................................................................................................4
[2] DIMENSIONS .................................................................................................................................................5
CHAPTER 2. REMOVING OF MAJOR PARTS
[1] REMOVING OF MAJOR PARTS...............................................................................................................6
CHAPTER 3. ADJUSTMENT PROCEDURE
[1] ADJUSTMENT PROCEDURE................................................................................................................14
[2] SERVICE MODE.....................................................................................................................................19
[3] SOFTWARE UPGRADE PROCEDURE .....................................................................................................20
CHAPTER 4. TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE......................................................................................................................... 21
CHAPTER 5. MAJOR IC INFORMATIONS
[1] MAJOR IC INFORMATIONS ........................................................................................................................37
CHAPTER 6. BLOCK DIAGRAM/WIRING DIAGRAM
[1] BLOCK DIAGRAM ................................................................................................................................ ….. 41
[2] POWER MANAGEMENT BLOCK DIAGRAM .................................................................................................... 42
[3] WIRING DIAGRAM .......................................................................................................................................... 42
CHAPTER 7. PRINTED WIRING BOARD
[1] MAIN UNIT PRINTED WIRING BOARD .......................................................................................................... 43
[2] POWER UNIT PRINTED WIRING BOARD ....................................................................................................... 45
[3] KEY UNIT PRINTED WIRING BOARD ............................................................................................................. 47
[4] IR UNIT PRINTED WIRING BOARD................................................................................................................. 47
CHAPTER 8. SCHEMATIC DIAGRAM
[1] MAIN SCHEMATIC DIAGRAM ............................................................................................................................... 48
[2] POWER SCHEMATIC DIAGRAM ......................................................................................................................... 58
[3] KEY SCHEMATIC DIAGRAM................................................................................................................................. 64
[4] IR SCHEMATIC DIAGRAM .................................................................................................................................... 64
CHAPTER 9. Parts Guide
[1]SPARE PARTS LIST.............................................................................................................................................. 65
[1] CABINET PARTS ................................................................................................................................................... 67
[2] SUPPLIED ACCESSORIES ................................................................................................................................... 69
[3] PACKING PARTS................................................................................................................................................... 70

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3

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CHAPTER 1. OPERATION MANUAL
[1] SPECIFICATIONS
Item Model: LC-32LE440U
LCD screen size 32 inches diagonal
Resolution 1366 x 768
TV-standard American TV Standard ATSC/NTSC System
VHF/UHF VHF 2-13ch, UHF 14-69ch
CATV 1-125ch (non-scrambled channel only)
Digital Terrestrial
Broadcast (8VSB)
2-69ch
Receiving
channel
Digital cable*1
(64/256 QAM)
1-135ch (non-scrambled channel only)
TV function
Audio multiplex BTSC System
Audio out 5W*2
ANT./CABLE
75 ΩUnbalance ,F Type x 1 for Analog (VHF/UHF/CATV) and
Digital(AIR/CABLE)
INPUT2 HDMI in with HDCP
INPUT3 HDMI in with HDCP
Audio PC/HDMI Audio in (Ø 3.5mm jack)
Rear
PC IN Analog RGB (PC) in (15-pin mini D-sub female connector)
Headphone out Ø 3.5mm jack (Audio output)
SPDIF HDMI in with HDCP
RS-232C D-sub 9 pin for service & Hotel mode using
INPUT1 HDMI in with HDCP
Terminal
Side
USB Photo/Music/Video mode, Software update
OSD language English/French/Spanish
Power Requirement AC 120V ~60Hz
Power Consumption ≤75W (0.7 W Standby with AC 120 V)
TV + stand 18.7 lbs. /8.5 kg
Weight
TV only 16.7 lbs./7.6kg
TV + stand 30 25/64 × 218/128× 7 96 /128 inchDimension
(W/H/D) TV only 30 25/64 × 1918/32× 2 10 /16 inch
Operating temperature +32°F to + 104°F (0°C to + 40°C)
Response time 6ms

[2]DIMENSIONS
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CHAPTER 2. Removing of Major Parts
1. Assy/Panel Removal
Notes: Please put your machine on soft material to avoid scrape panel when you
disassemble it.
Front view
Fig.1
Back view
Fig.2
Step1. Remove the Base Assy.
1. Remove the 4 screws as Fig.3 and pull out the base .
Fig.3

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Step 2. Remove the REAR COVER Assy.
1. Remove the 13 screws, around the REAR COVER as Fig.4.
Fig.4
2. Remove the 4 screws at the IO area as Fig.5.
Fig.5

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3. Remove the 3 screws to release AC cable as Fig.6 .Fig.7
Fig.6 Fig.7
Step3. Remove the Main, Power, IR board, Key Pad ASSY, and the Speakers.
Fig.8

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1. Remove the 5 screws and disconnect 4 cables .Detach the Main board ASSY
as Fig.9
Fig.9

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2. Remove the 4 screws and 2 Cables. Detach the Power board as Fig.10.
Fig.10
3. Remove the 1screws. Detach the IR board as Fig.11.
Fig.11

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4. Remove the 1screws.Detach the Key Pad ASSY as Fig.12.
Fig.12
5. Detach the Speakers as Fig.13. Fig.14.
Fig.13
Fig.14

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Step4. Remove BASE SUPPORT.
Remove the 4 screws and 2 cable clamps. Detach the BASE SUPPORT as Fig.15
Fig.15

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Step5. Remove PANEL module.
1. Remove the 4 screws. Detach the PANEL HOLDER as Fig.16, Fig.17, Fig.18
Fig.16
Fig.17 Fig.18

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CHAPTER 3. ADJUSTMENT PROCEDURE
[1]ADJUSTMENT PROCEDURE
1. Main Menu (The default value is marked in red)
Level 1 Level 2 Level 3 Level 4 Level 5 Level 6
AV Mode User/ Standard/
Movie/ Game/ PC/
Dynamic/
Dynamic(Fixed)
OPC Off/ On
Backlight 0~100 (100)
Contrast 0~100 (50)
Brightness 0~100 (50)
Color 0~100 (50)
Tint -50 ~ 50 (0)
Sharpness 0~20 (10)
Color Temp. User/Cool/
Standard/Warm
R Gain 0~255
G Gain 0~255
B Gain 0~255
Color Temp.
Reset Yes/No
Active Contrast Off/ On
DI Film Mode Off/ Auto
Advanced
Digital Noise Reduction Off/ Low/
Middle/ High/
Auto
Picture Settings
Reset
(Only reset
currect AV
mode settings.)
Yes/No
Disable when
AV mode is
Dynamic(Fixe
d).
Treble 0~100 (50)
Bass 0~100 (50)
Balance -50 ~ 50 (0)
Audio Settings
Surround Off/ On
Disable when
AV mode is
Dynamic(Fixe
d).

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Reset
(Only reset
currect AV
mode settings.)
Yes/No
No Signal Off Enable/ Disable Power Control
Power Saving Off/ On Disable when
AV mode is
Dynamic(Fixe
d).
View Mode
Freeze
MTS Mono/ Stereo/ SAP Change Audio
Audio
Language
English/ Spanish/
French
Analog Closed
Caption
Off/ CC1/ CC2
/
CC3 /CC4/ TEXT1/
TEXT2/ TEXT3/
TEXT4
View Option
Change CC
Digital Closed
Caption
Off/ Service1/
Service2/ Service3/
Service4/ Service5/
Service6
Audio Setup Off/ Dolby
Digital/ PCM
Auto Sync.
H-Pos.
V-Pos.
Clock
PC input
(For PC only) Fine Sync.
Phase
Audio Select
(For PC only)
Video/
Video+Audio
Audio Select
(For HDMI only)
Auto/
HDMI(Digital)/
HDMI+Analog
HDMI Setup
(For HDMI only)
HDMI Mode Auto/ Graphic/
Video
Input Terminal
Setting
Speaker On/ Off
System Options
Caption setup Caption Style Default/

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Custom
Caption Size Small/
Standard/
Large
Foreground Color Black/ White/
Green/ Blue/
Red/ Cyan/
Yellow/
Magenta
Foreground Opacity Solid/
Translucent/
Transparent
Background Color Black/ White/
Green/ Blue/
Red/ Cyan/
Yellow/
Magenta
Background Opacity Solid/
Translucent/
Transparent
Window Color Black/ White/
Green/ Blue/
Red/ Cyan/
Yellow/
Magenta
(For TV & AV
only)
Window Opacity Solid/
Translucent/
Transparent
EZ Setup
Air/Cable Air/ Cable
CH Search
CH Setup
CH Memory
A
B
C
D
Initial Setup
Broadcasting
Setup
(For TV only)
Favorite CH
All Data Clear Yes/No

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Language English/ Español/
Français
New Secret No. Secret No.
Confirm Secret
No.
MPAA G/ PG/
PG-13/ R/
NC-17/ X/
NONE
TV Guidelines TV-Y/ TV-Y7/
TV-G/ TV-PG/
TV-14/
TV-MA/
NONE
D, L, S, V, FV
Can.English
Ratings
E/ C/ C8+/ G/
PG/ 14+/ 18+/
NONE
V-Chip
Can.French
Ratings
E/ G/ 8ans+/
13ans+/
16ans+/
18ans+/
NONE
V-Chip(DTV
Only)
Individaul Setup
(Input Secret
No.)
(For TV & AV
only)
Parental CTRL
Status No/ Yes
Reset Yes/No
Information Identification

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2. Display adjustment
Only adjust HDMI Mode and copy to all of input source
General set-up:
Equipment Requirements: Minolta CA-210 or Equivalent Color analyzer or
equivalent instrument.
Input Signal Type:
1. Internal full white pattern.
2. Select Picture mode to Standard mode and check the x, y data.
Input Injection Point: HDMI cable
Alignment method:
Initial Set-up:
1. Select source as “INPUT 1” (HDMI 1).
2. Set AV mode as “Standard”.
3. Enter factory mode menu: press MENU + Numeric keys “3481” .
Alignment:
1. Press MENU key enter factory mode page.
2. Set VideoÆWhite Pattern to “Medium”.
3. Enter VideoÆColor Temperature adjust.
Color temperature adjust:
1. Set color temperature to “Cool”
2. Adjust R Gain/G Gain values to meet “Cool” color coordinates.(Keep B Gain set “128”)
3. Adjust R Offset/G Offset values to meet “Cool” color coordinates.(Keep B Offset set “128”)
4. Repeat step 2, 3, 4 twice to meet “Cool” color coordinates specification below.
5. Set color temperature to “Warm”、”Standard” then Repeat 2,3,4 step adjusting.
6. Set color temperature “User” mode then set all values to “128”
Chromaticity Coordinate
Mode x y
COOL 0.272 ± 0.015 0.277 ± 0.015
STANDARD 0.285 ± 0.015 0.293 ± 0.015
WARM 0.313 ± 0.015 0.323 ± 0.015
Customer Color Panel Native Color Temperature
Check the 16 grayscale pattern should be distinguished and color bar is correct

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Note:
1. Use Minolta CA-210 for color coordinates and luminance check.
2. Before adjusting, all color analyzers (CA-210) should be coordinates with a
same reference TV set.
3. Luminance > =320 cd/m2in the center of the screen when Brightness control at
100, Contrast control at 100, Backlight control at 100. (Test Color mode:
Standard)
[2] SERVICE MODE
Enter factory mode menu: press MENU + Numeric keys “3481” to enter factory
mode.
You can press “RETURN” key to back to normal main menu.