Sharp LC-26SB14U Support Question
Sharp LC-26SB14U Support Question
Find answers below for this question about Sharp LC-26SB14U - 26" LCD TV.Need a Sharp LC-26SB14U manual? We have 1 online manual for this item!
Question posted by ladeannalloyd on December 27th, 2011
What To Do When Screen Is All White
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Current Answers
Answer #1: Posted by TVDan on December 27th, 2011 7:52 PM
TVDan
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Related Sharp LC-26SB14U Manual Pages
Service Manual - Page 1
... sure to those specified should be restored to its original condition and only parts identical to replace these parts with " !
SERVICE MANUAL
No.S480ILC26SB14
LCD COLOR TELEVISION
MODEL LC-26SB14U
In the interests of user-safety (Required by safety regulations in some countries) the set should be used for maintaining the safety of the...
Service Manual - Page 2
...silicon grease, remove all the old silicon grease. (Old grease may cause damage to the panel while servicing.
Therefore, the part which is replaced should be found at the end of incombustibility...for safety which has the same character. BE CAREFUL WITH THE LCD PANEL
Avoid a shock to the IC and Transistor). And be found on the TV. 3. AVOID AN ELECTRIC SHOCK There is a high voltage ...
Service Manual - Page 4
GENERAL SPECIFICATIONS
G-1 TV System
G-2 Tuning System
G-3 Signal
LCD
LCD Size / Visual Size
LCD Type
Number of Pixels
View Range
Left/Right
Up/...CH
Destination
CH Coverage
Intermediate Digital
Frequency Analog Picture(FP)
Sound(FS)
FP-FS
Preset CH
Stereo/Dual TV Sound
Tuner Sound Muting
Video Signal
Input Level
Output Level
S/N Ratio (Weighted)
Horizontal Resolution at DVD ...
Service Manual - Page 6
... Search Power On Memory Comb Filter
Game Position
Auto Setup(Language/CH Program)
Picture Setting(TV)
AV Mode(Picture Preference)
Brightness , Contrast , Color
Tint
Sharpness
Color Temperature
DNR
Cable...Label
Favorite CH
V-Chip
Type
RRT Setup
Lock
Hotel Lock
Channel Lock
Video Lock
Panel Lock
Menu Language
Closed Caption
CC Advanced
View Mode (Picture Size)
Picture Scroll
...
Service Manual - Page 7
...
Important Safeguard
Dew/AHC Caution Sheet
Quick Set-up Sheet
Battery
UM size x pcs
OEM Brand
AC Adapter
AC Cord (for AC Adapter)
AC Cord (Flat Polarity Plugs)
Cable Cramp
Stand
Stand Screw
Hexagon Wrench
AV Cord (2Pin-1Pin)
Registration Card (NDL Card)
300 to 75ohm Antenna Adapter
Sheet Information (Return...
Service Manual - Page 8
... Input 1
S - W x D x H (mm)
w/o Handle, Stand Approx. No
Yes
Green procurement of Origin
Drop Test
Height (cm)
Container Stuffing (40' container)
w/Pallet
w/Wrapping
Cabinet Front
Rear
Jack Panel
PCB
Non-Halogen Demand
Eyelet Demand
Environmental standard requirement
Pb-free
Measures for Whisker
Rohs
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No...
Service Manual - Page 9
.... 3. Remove the 4 screws (2). 6. Remove the Plate Button Ass'y in the direction of
arrow (A). 3. Holder Panel
Angle Main (2)
(2) (2)
(2)
(1) Angle Main (1) (1)
LCD Block
(1)
(A)
Holder Panel
Plate Button Ass'y
(1) (1)
(1) (B)
Operation PCB (3) (2)
(3)
(3)
(A) (C)
(3) (3) (3)
Angle Hinge
Fig. 1-4
Fig. 1-2 B1-1 Remove the 14 screws (1). 2. Remove the 2 screws (1). 3. Fig...
Service Manual - Page 10
... of arrow (A). 7. Remove the screw (2). 3. Disconnect the following connector: (CP3001 and CP4302).
2. Remove the 4 screws (1). 2. Remove the Cover LCD in the direction of arrow.
(2)
(1) (1)
(1) (1)
Cover LCD
LCD Panel
(B)
Fig. 1-7
Fig. 1-6
1-6: POWER PCB (Refer to Fig. 1-6)
1. Remove the 1 screw (1). 3. Remove the 5 screws (2). 4. Remove the 5 screws (5). 8. Remove the...
Service Manual - Page 11
..., pickup the corner of each IC leads or solder lands under the IC when removing it. DISASSEMBLY INSTRUCTIONS
2. Put Masking Tape (cotton tape) around the Flat Package IC to protect other parts from IC leads.
3. Braided Shield Wire
Soldering Iron
IC
Fig. 2-2
IC pattern
Fig. 2-4
B2-1 REMOVAL AND INSTALLATION OF...
Service Manual - Page 13
...6
2 sec.
Refer to the "ELECTRICAL ADJUSTMENT" (On-Screen Display Adjustment). To enter to the "WHEN REPLACING EEPROM (MEMORY) IC". Releasing of factory TV data. Display of the Adjustment MENU on the remote control ....
Can be checked of the INITIAL DATA of the SUM DATA and MICON VERSION on the screen. DOWN (Minimum)
9
2 sec. 2 sec.
SERVICE MODE LIST
This unit is provided with...
Service Manual - Page 14
... EEPROM: W34N02PE01
FIG. 2
4. Again, step through the ADDRESS until required ADDRESS to be checked on the screen. Repeat steps 4 to "0". The unit will "blink". 6. Turn on the remote control for more than... to the TV mode. 2.
Press LEFT/RIGHT button to the TV mode. 11.
Sub Micon check version Main Micon check version
EEPROM check version Parameter
CHECK SUM: 3ED6 LCD PWR ON:...
Service Manual - Page 15
... Transistor with a heat sink, apply silicon grease (YG6260M) on the screen as shown in Fig. 1-1.
To display the adjustment screen for TV, AV, COMPONENT, HDMI and PC mode, press the INPUT button on... COLOR CENTER 46 COLOR MAX 47 COLOR MIN 50 CONTRAST 40
Fig. 1-2
2. BASIC ADJUSTMENTS
2-1: WHITE BALANCE
1. Activate the adjustment mode display of the heat sink.
Set the VOLUME to the IC and...
Service Manual - Page 16
... of Fixed Value (Step No.) Please check if the fixed values of each of the set correctly referring below. (TV/AV/COMPONENT/HDMI/PC/DTV)
NO.
FUNCTION
AV
COMPONENT
HDMI
PC
TV
GAME
CVBS Y/C
480i/576i 480p/576p 720p 1080i 480i/576i 480p/576p 720p 1080i VGA 640x480 1280x720 640*480 720...
Service Manual - Page 18
Change F401.
Yes
Change DIGITAL PCB. Change R412. Yes
Yes Is R412 broken?
No
No Is there voltage at pin
No
10 of IC402 6V?
Check IC401 and peripheral circuit. Check IC402 and peripheral circuit. E-1 No
Is there voltage at pin 1 of IC401 19V? (LCD SECTION)
POWER DOES NOT TURN ON
TROUBLESHOOTING GUIDE
Yes Is F401 broken?
Service Manual - Page 20
... 1, No 2, 3, 4 and 5 of CP2804?
No
Change DIGITAL PCB.
E-3
Yes
Is there signal at pins 13, Yes 14, 16, 17, 19, 20, 22, 23, 25 and 26 of CP406 24V? Check IC407 and peripheral circuit. TROUBLESHOOTING GUIDE
THE PICTURE DOES NOT APPEAR
No Does backlight shine?
Yes
No Is CD2804 connected? Change...
Service Manual - Page 22
POWER FAIL CP401__6.P.CON+5V CP401__3. LCD_H
REGULATOR IC403 KIA431A-AT
F-1
F-2 SYS_POWER_H
CP401__18.SW+12V CP406__1,2,3,4,5. +24V SOUND AMP IC302 AN17808B CP401__11,12. LCD+B CP401__13. AT+5V CP401__2. POWER BLOCK DIAGRAM
CD3805 AC IN
F401 J401
L401 1 3
L402
2
1
4
3
D405 D407
C403 + C404 +
POWER SW IC401 MP3A5038 Q2g Vcc Q1d ...
Service Manual - Page 33
.../GND 29
GND
28
LVDS0OUT0M E19 1.5 LVDS0OUT0P F19 1.5
NR2811 CRA108220JV
LCD_TXOUT0LCD_TXOUT0+
GND
27
RXIN0- 26
RXIN0+ 25
FROM REGULATOR2
B2806
HCB1608KF-221T20
D3.3V
B2807
HCB1608KF-221T20
6
C2865 10V 22 V-S... 23
RXIN1+ 22
GND
21
RXIN2- 20
CD2804
V2301_1 V260B1-L01_M
RXIN2+ 19
CURU1704
LCD PANEL
6
GND
18
RXCLK IN- 17
RXCLK IN+ 16
PLL POWER LVDS_CH0
D1.0V VDD_PANEL
...
Service Manual - Page 41
... RCR60
CD3805 P201-2739-1
BLACK
2
J401 YKE31-0149N
FH401 EYF-52BCY
BLACK
CP404 FH402 003P-2100
EYF-52BCY
D404_1 ENE241D-10A-Q6
1
WHITE
WHITE
7
D402
1
2
3
4
COIL,LINE FILTER L401
SS30V-R200132
SH402 YQ-12
SH410 YQ-12
DE37-452M ENE271D-10A
D403
6
C464... BY ARE CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY
CAUTION: DIGITAL TRANSISTOR
F
G
2
PCB240 CEG353
1
H
H-26
Service Manual - Page 49
...CEG353
NC
E1 CVBS_IN_1
J4206
3245
H1 H2 H3
NC
CD3805
J401
2
BLACK
1
WHITE
PC/DVI AUDIO IN J4201
567 12
34
CP401
TUNER+30V 1 1
POWER_FAIL 2...RXIN1+
22
RXIN1-
23
GND
24
RXIN0+
25
RXIN0-
26
GND
27
GND
28
VDD+3.3V/NC/GND 29 NC VDD... 6 RESET_N 7 FLASH_WP 8 ASEMD0 9 GND 10 VDD33 11 GND 12
CD2804
V2301_1 LCD PANEL
24
DIGITAL PCB PCBDH0 CEG352
SIF-out 5
AGC 7 NC V_OUT 8
+5V ...
Service Manual - Page 55
...'Y COVER LCD SPRING EARTH
107
8965TS1210 CUSHION W10/H12/L10
108
761WSA0459 SHIELD IC
109
706WPA0027 COVER CONNECTOR
110
706WPA0033 PLATE POWER
111
899RFC21V0 HOLDER CORD
112
752WSA0705 SHIELD DIGITAL
113
753WUA0063 SPRING EARTH
114
761WPAA183 HOLDER PANEL
115
761WPA0473 HOLDER SPEAKER-L
116
761WPA0474 HOLDER SPEAKER-R
117
761WPA0477 COVER HINGE
118
723000D908...
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