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 dellahurt35 on July 11th, 2012
No Sound Or Picture Lc- 26sb14u.jim Rice
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Current Answers
Related Sharp LC-26SB14U Manual Pages
Service Manual - Page 1
...; MECHANICAL EXPLODED VIEWS J-1 • REPLACEMENT PARTS LIST K1-1~K2-6
Parts marked with specified ones for
SHARP CORPORATION after sales service only.
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 .
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
...)
Stable Sound
Surround
BBE
SRS WOW (SRS 3D/Focus/Tru Bass)
Variable Audio Out
Tuning
CH Program
Air/Cable
ADD/DELETE
Label
CH Label
Video 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
Film...
Service Manual - Page 14
... is now selected and should appear as FIG 2.
DOWN button on the set to the TV mode. 2. Pressing LEFT/RIGHT button will turn POWER off automatically. Turn on the POWER,... 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 check sum. Again, step through ...
Service Manual - Page 20
TROUBLESHOOTING GUIDE
THE PICTURE DOES NOT APPEAR
No Does backlight shine?
Yes
Is there signal at pins 13, Yes 14, 16, 17, 19, 20, 22, 23, 25 and 26 of CP2804 5V? No
Change DIGITAL PCB. Check IC407 and peripheral circuit. Change V2301 (PANEL). Yes
Is there voltage at pins 1, No 2, 3, 4 and 5 of CP406...
Service Manual - Page 22
LCD_H
REGULATOR IC403 KIA431A-AT
F-1
F-2 LCD+B CP401__13. POWER BLOCK DIAGRAM
CD3805 AC IN
F401 J401
L401 1 3
L402
2
1
4
3
D405 D407
... KIA431A-AT
13
VccSW
41
32
SW
POWER SW
TRANSFORMER IC406
T401
PS2561AL1-1-V(W)
8
10
7
13
5
14
15
SOUND +B
2
1 IC407 DC/DC(5V) LA5779-E
FEED BACK
IC408
SW
PS2561AL1-1-V(W)
41 32
31
CP401__1.TUNER+30V CP401__7.8. SYS_POWER_H...
Service Manual - Page 29
... OE# VSS CE# A0
R2802
10K
3.4 3.4 0 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4 3.4 0 3.4 3.4
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 R2806 10K
R2805... WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL. PC_TOOL_RX PC_TOOL_TX HDMI_SW A_MUTE
JG2803 JG2804 JG2805 JG2806 JG2802
3.2 C16 M32TDI...
Service Manual - Page 31
... AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL. E
F
CAUTION: DIGITAL TRANSISTOR CAUTION: DIGITAL TRANSISTOR G
PCBDH0 CEG352
H
8 7 6 5...
Q3608
3.3
2SK3019_TL
D G
S
R3630 3.3K
R3631 3.3K
B1+
GND
B2-
B2+
SEL
0 GND
25 26 27 28 29 30 31 32 33 34 35 36 3.1 3.1 0 3.1 3.1 3.3 3.1 3.1 0 3.1 3.1 0
Y2+
Y2-...
Service Manual - Page 33
...PANEL
IC2801
7
R8J66954BG
C2801
CP2804 A2006WR0-2X15P-HK
7
100P CH NC VDD+3.3V/NC/GND 30
VDD+3.3V/NC/GND 29
GND
28
LVDS0OUT0M E19 1.5 LVDS0OUT0P F19 1.5
NR2811 CRA108220JV
LCD_TXOUT0LCD_TXOUT0+
GND
27
RXIN0- 26...CD2804
V2301_1 V260B1-L01_M
RXIN2+ 19
CURU1704
LCD PANEL
6
GND
18
RXCLK IN- 17
RXCLK... BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL. A
B
C
D
H-9...
Service Manual - Page 34
... 20 19 18 17
0.5
3.2
9 10 11 12 13 14 15 16
SUR_SW
VREF
3.3V_POWER_H
AVSS
IIC_OFF
IVCC
32 31 30 29 28 27 26 25 KEY_B
3.4
DTV_RESET
ASEMD0 3.4
3.4
1V_CTL
25 KEY_A
3.3 STBY-H
32 MAIN_MICON_TXD
3.4
MODE
17 HDMI_CEC
DVD_POWER NC
3.4
EXT_MUTE 16 POWER_FAIL
SYS_POWER_H 3.3... WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
Service Manual - Page 37
... IC
IC5801
AN5832SA-E1V
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
3.5 PILOT DET
NC NC
3.5 PLL
L+R REF 2.2
0 VCC
SAP DET 2.8
NC NC
... THE COLOR BROADCAST
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL. CAUTION:SINCE THESE PARTS MARKED BY ARE CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS...
Service Manual - Page 38
...GPIO)J20
QBLCC(RXD0)J19 3.3
J18
3.3 NC
R2847 10K
C2959 0.1 B
V8 3.3 SCIRXD V7 3.3 SCISCK(GPIO) W73.3
C2965 0.1 B
ASW0 ASW1 ASW2 VDIM
LCD-H
MCU_SCIRXD MCU_SCITXD
IIC_OFF
NC
4321
0 A0 0 A1 0 A2 0 Vss
Vcc WP SCL SDA
5678
3.4
0 R2856
C2968
3.4 10K R2860
0.1 B
3.4
4.7K...WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
Service Manual - Page 40
...TUNER+30V
2 POWER_FAIL
3 SYS_POWER_H
4 AT+3.3V
5
GND
7
6 P.CON+5V
7
AT+5V
8
AT+5V
9
GND
10
GND
11 LCD+B
12 LCD+B
13 LCD_H
14 P.CON+9V
15
GND
16
GND
17 STBY_H
18 SW+12V
NC
6
19 REMOCON_IN
20 LIGHT_CTL
21
KEY_A
22 LIGHT_POWER_H
23
...VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
Service Manual - Page 41
... LIST ONLY
CAUTION: DIGITAL TRANSISTOR
F
G
2
PCB240 CEG353
1
H
H-26 THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP IS NON POLAR ONE. A
B
H-...THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL. A
B
C
D
E
F
G
H
POWER SCHEMATIC...MP3A5038
D421 R428 EC31QS04 330 1/2W
0
12.5
7
10
SOUND+B
AT+5V POWER_FAIL
R536
0
D435
W887
AT+34V
R522 47K...
Service Manual - Page 42
... WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
ATTENTION:POUR UNE PROTECTION CONTINUE LES RISQUES D'INCEIE N'UTILISER QUE DES...SW+12V REG Q423
KTC3875S_Y_RTK
L408
47uH 1315
R483
R484
8.2K
820
+-1%
+-1%
LCD+B SW
0
Q411
KRC102SRTK
3.2 0
PANEL_POWER_H LCD-H
TO SOUND P.CON+5V
R493_1 2.2K
R470 560 1/4W
P_GND
4
P.CON+5V SW
...
Service Manual - Page 43
...
STBY-H IR_REMO GND
6
TO AV SWICTH
P.CON+9V
GND
5
GND
4
TUNER+30V POWER_FAIL SYS_POWER_H
AT+3.3V
P.CON+5V AT+5V
P_GND
3
LCD+B LCD-H P.CON+9V
STBY-H SW+12V IR_REMO
VDIM
BLON
2
1
H-29
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT...AT EACH PART WAS MEASURED WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
Service Manual - Page 45
...
P_GND
FROM POWER2 P.CON+5V
R303 3.3K
FROM/TO REGULATOR GND (A_GND)
4
R305 10K
W819
C
D
E
F
SOUND SCHEMATIC DIAGRAM
(POWER PCB)
G
H
8
C344 0.0047 B
C307 1B
SOUND AMP IC IC302 AN17808B
+
ATT.
+
NC
CH1 IN
1
2
RIPPLE
FILTER RF
GND
CH2 IN
3
4
5
NC 0.2 20.0
0... THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
ATT.CONT.
Service Manual - Page 47
.../AV4_PB
S1_DET AV2_CVBS
14
GND
13
YUV_SW_V
12
GND
AV3/AV4_PR
AV1_CVBS AV1_Y AV1_C
11 AUDIO_SW_R
SW_R
10
ASWW2
ASW2
9 AUDIO_SW_L
SW_L
TO SOUND
6
8
GND
7
VIDEO02
6
GND
5
VIDEO01
4
ASW1
3
AV1_C
2
S1_DET
1
AV1_Y
AV2_CVBS
AV1_CVBS ASW1 AV1_C S1_DET AV1_Y
ROUT_SOUND ...WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
Service Manual - Page 48
...TO JACK2
CP2201 (CP4201) A2001WR2-5P
REMOCON IN 1
GND
2
AT+5V
3
STANDBY LED 4
POWER ON LED 5
OS 26
CD2201 E8253101
(OPERATION PCB)
R2207_2 330
SH INPUT SW2202_3 EVQ21505R SH VOL DOWN SW2206_3 EVQ21505R
R2203_2 1.2K
R2202_2 2.2K
R2212 5.6K... WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL. E
F
G
H 8 7
6
5
4
3
2 1 H
H-40
Service Manual - Page 49
...RXIN2+
19
RXIN2-
20
GND
21
RXIN1+
22
RXIN1-
23
GND
24
RXIN0+
25
RXIN0-
26
GND
27
GND
28
VDD+3.3V/NC/GND 29 NC VDD+3.3V/NC/GND 30
SUB MICON ...TDO 3 ASEBRKAK_N 4 TMS 5 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
TU 11 NC +30V 12
...IN GOOD CONDITION AND PICTURE IS NORMAL.
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