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 MikeWGep on August 8th, 2010
Lost Signal
I think I must have hit a wrong button on my remote. Now there is no signal (picture or sound). My TV is always set to channel 3. (My Direct TV receiver is in another room). When I push the display button (or channel 3 button), it shows that I am on channel 3; but it also says "cable analog". (Everything on Direct TV is digital). How do I change that? I have tried going through all of the inputs, but nothing seems to work.
Current Answers
Related Sharp LC-26SB14U Manual Pages
Service Manual - Page 1
...K1-1~K2-6
Parts marked with specified ones for maintaining the safety and performance of the set should be restored to its original condition and only parts identical to those specified should ...the set. Be sure to replace these parts with " ! The contents are important for
SHARP CORPORATION after sales service only.
SERVICE MANUAL
No.S480ILC26SB14
LCD COLOR TELEVISION
MODEL LC-26SB14U
In...
Service Manual - Page 2
... when you have the specific characters of the heat sink. BE CAREFUL WITH THE LCD PANEL
Avoid a shock to the IC and Transistor). PERFORM A SAFETY CHECK AFTER SERVICING
Confirm... Therefore, put in the condition that .
(INSULATION CHECK PROCEDURE)
1. Remove the antenna terminal on TV and turn
on the cabinet, chassis and parts.
Before applying new silicon grease, remove all the ...
Service Manual - Page 4
... TV System
G-2 Tuning System
G-3 Signal
LCD
LCD Size / Visual Size
LCD Type
Number of Pixels
View Range
Left/Right
Up/Down
Bright Dot
Zero Bright Dot Ratio
Color System
Speaker
Position
Size
Impedance
Sound Output
Max
10%(Typical)
Broadcasting System Analog
Digital
Tuner and
System
Receive CH
Destination
CH Coverage
Intermediate Digital
Frequency Analog Picture(FP)
Sound...
Service Manual - Page 6
...Language/CH Program)
Picture Setting(TV)
AV Mode(Picture Preference)
Brightness , Contrast , Color
Tint
Sharpness
Color Temperature
DNR
Cable Clear
Picture Setting(PC)
HOR Position...Channel Lock
Video Lock
Panel Lock
Menu Language
Closed Caption
CC Advanced
View Mode (Picture Size)
Picture Scroll
Film Mode
Aspect
Backlight
PFC(Power Factor circuit)
Freeze frame
PIP/POP
Direct...
Service Manual - Page 7
...1920×1080i
Wall Mount
Size W x H(mm)
Screw Size
Owner's Manual
Language
w/Guarantee Card
Remote Control Unit
Rod Antenna
Poles
Terminal
Loop Antenna
Terminal
U/V Mixer
DC Car Cord (Center+)
Guarantee ...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
...
Service Manual - Page 8
...(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...SPECIFICATIONS
G-12 Interface
G-13 Set Size G-14 Weight G-15 Carton G-16 Material G-17 Environment
Switch
Indicator Terminals
Top
Power (Tact)
Channel Up
Channel Down
Volume Up
Volume Down
...
Service Manual - Page 9
...(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 Back Cabinet in the direction of arrow.
(1)(2) (1) (1)
(2)(2) (2) (1) (1) (1)
(2)
(2) (2)
(1) (1) (1)
(1)
(1)
(1) (1) (1)
1-3 REMOCON PCB (Refer to Fig. 1-4)
1. Remove the LCD Block in the direction of...
Service Manual - Page 10
... 6. Remove the 1 screw (1). 3. Remove the screw (2). 3. 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 5 screws (1). 2. Remove the 4 screws (1). 2. Remove the Power PCB in the direction of arrow.
(1) (1)
(1)
(1)
(1)
Power PCB
Fig. 1-6
B1-2 Remove the 3 screws...
Service Manual - Page 11
Put Masking Tape (cotton tape) around the Flat Package IC to protect other parts from any damage. (Refer to Fig. 2-1.) NOTE ... forth until IC can move the Braided Shield Wire in the vertical direction towards the IC pattern. DISASSEMBLY INSTRUCTIONS
2. Peel off the Masking Tape.
5. REMOVAL AND INSTALLATION OF FLAT PACKAGE IC
REMOVAL
1. When IC starts moving back and forth easily after...
Service Manual - Page 13
... of MEMORY IC. Can be checked of the INITIAL DATA of factory TV data. Refer to the "ELECTRICAL ADJUSTMENT" (On-Screen Display Adjustment).
Display of V-CHIP PASSWORD.
2 sec. To enter to the "WHEN REPLACING...both buttons simultaneously on the main unit and on the remote control for more than a the standard time in the appropriate condition. (See below chart.)
Set Condition
Power ON
Set Key...
Service Manual - Page 14
...the set and Channel button (1) on the remote control for more than 2 seconds. 4. DOWN button on the set and Channel button (8) on the remote control for further selection if necessary. 8. Sub Micon check version Main Micon check version
EEPROM check version Parameter
CHECK SUM: 3ED6 LCD PWR ON: 0000 SUB: DA0E782141 DTV: CA09E83052 EEPROM: W34N02PE01 Picture: _dispSmartPic
Initial setting data...
Service Manual - Page 15
...Receive... CUTOFF(W)". 7. TV s.stretch 480i
Function
03 R DRIVE (N)
8
Step No. To display the adjustment screen...display of the heat sink. ELECTRICAL ADJUSTMENTS
1. Pattern Generator
On-Screen Display Adjustment
1. Place the set and the
channel button (9) on the remote control to the IC and Transistor). DOWN button on the remote control to select "R DRIVE(N)". 6.
NO.
To display...
Service Manual - Page 16
...Step No.) Please check if the fixed values of each of the set correctly referring below. (TV/AV/COMPONENT/HDMI/PC/DTV)
NO. Step No. Step No. Step...
*
*
*
-
-
*
*
*
*
*
*
- For the step no. Step No. Step 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*400 800*600 1024*768...
Service Manual - Page 18
(LCD SECTION)
POWER DOES NOT TURN ON
TROUBLESHOOTING GUIDE
Yes Is F401 broken? No
Is there voltage at pin 1 of IC401 19V? Check IC402 and peripheral circuit.
No
No Is there voltage at pin
No
10 of IC402 6V?
Change R412. Yes
Yes Is R412 broken? Yes
Change DIGITAL PCB. Change F401.
Check IC401 and peripheral circuit.
E-1
Service Manual - Page 19
... pin
Yes
5 of CP302? No
Change TU5801. Check Connection of IC302? E-2 TROUBLESHOOTING GUIDE
THE PICTURE APPEARS, BUT THE AUDIO DOES NOT APPEARS. (AT RF MODE)
No Is CP302 connected?
No
Is there signal at pins
Yes
AA3 and AA4 of IC6552, IC6553?
Check IC6552, IC6553 and peripheral circuit.
Check IC302 and peripheral...
Service Manual - Page 20
... pins No 1, 2, 3, 4 and 5 of CP2804? Yes
Connected CD2804.
Check IC407 and peripheral circuit.
TROUBLESHOOTING GUIDE
THE PICTURE DOES NOT APPEAR
No Does backlight shine?
Change V2301 (PANEL).
Check IC401, T401, D437 and peripheral circuit.
Yes
Is there signal at pins 1, No 2, 3, 4 and 5 of CP406 24V? E-3
No
Change DIGITAL PCB. Yes
No Is CD2804...
Service Manual - Page 21
Yes
No Is the color signal received?
E-4 Adjust the color.
Yes
Change DIGITAL PCB.
Yes
No Is there color signal at IC2801?
Check IC2801 and peripheral circuit.
Receive the color signal. TROUBLESHOOTING GUIDE
THE COLOR DOES NOT APPEAR
No Is setting of color normal?
Service Manual - Page 33
...
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...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
...RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
Service Manual - Page 49
...21
RXIN1+
22
RXIN1-
23
GND
24
RXIN0+
25
RXIN0-
26
GND
27
GND
28
VDD+3.3V/NC/GND 29 NC VDD+3....TDI 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 9...WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
CAUTION:SINCE THESE PARTS MARKED BY ...
Service Manual - Page 55
...'Y PLATE BUTTON BUTTON FRAME
106 106A 106B
7G7610089A 761WSA0630 744WUA0024
COVER LCD ASS'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...
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