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 momirovc on February 14th, 2013
Does This Tv Have A Digital Tuner?
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Related Sharp LC-26SB14U Manual Pages
Service Manual - Page 2
...attentions, they are deteriorated around the serviced places serviced or not.
Make sure to the panel while servicing. Avoid an electric shock while the electric current is indicated in the condition that...The MODEL NUMBER can be found on the TV. 3. Therefore, the part which are indicated with the printed board. BE CAREFUL WITH THE LCD PANEL
Avoid a shock to keep the indications and...
Service Manual - Page 4
...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/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...
Service Manual - Page 6
...Game Position
Auto Setup(Language/CH Program)
Picture Setting(TV)
AV Mode(Picture Preference)
Brightness , Contrast , Color... Setup
Lock
Hotel Lock
Channel Lock
Video Lock
Panel Lock
Menu Language
Closed Caption
CC Advanced
View...PFC(Power Factor circuit)
Freeze frame
PIP/POP
Direct Input Selection
Digital Out
Dolby Digital
MPEG
PCM
DTS
PC Monitor Input
VGA (640x480)
VGA (...
Service Manual - Page 10
...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 screw (2). 3. Remove the 5 screws (1). 2. Disconnect the following connector: (CP3001 and CP4302).
2. Remove the 3 screws (3). 5. Remove the Plate Jack in the direction of arrow (A). 7. Remove the 5 screws (5). 8. DISASSEMBLY INSTRUCTIONS
1-5: DIGITAL PCB (Refer...
Service Manual - Page 13
... and on the screen. Display of V-CHIP PASSWORD.
2 sec.
Initialization of MEMORY IC.
Power ON
VOL. C-1 Can be checked of the INITIAL DATA of factory TV data.
To enter to the "WHEN REPLACING EEPROM (MEMORY) IC". DOWN (Minimum)
1
Standard Time
Operations
2 sec. Power ON
VOL. DOWN (Minimum)
8
Power ON
VOL. DOWN...
Service Manual - Page 14
... = (16 x 16 x 16 x thousands digit value) + (16 x 16 x hundreds digit value) + (16 x tens digit value) + (ones digit value)
FIG. 1
CONFIRMATION OF INITIAL DATA
If... version
EEPROM check version Parameter
CHECK SUM: 3ED6 LCD PWR ON: 0000 SUB: DA0E782141 DTV: CA09E83052 ...the confirmation of each item value might be different according to the TV mode. 2. DOWN button on the set and Channel button (6)...
Service Manual - Page 15
...TV s.stretch 480i
Function
03 R DRIVE (N)
8
Step No. Use the UP/DOWN button or Channel button (0-9) on the remote control to select the options shown in Fig. 1-1. Receive the DIGITAL... the adjustment mode display of the heat sink. Prepare the following measurement tools for DTV mode, select
the digital channel. 8. Press the VOL. FUNCTION 03 R DRIVE(N) 04 R CUTOFF(N) 05 G DRIVE(N) 06 G...
Service Manual - Page 16
... 255 255 255
-
47 COLOR MIN
0
0
0
-
0
0
0
0
0
0
0
0
0
-
-
0
0
0
0
0
0
-
50 CONT 40
*
*
*
-
*
*
*
*
*
*
*
*
*
-
-
*
*
*
*
*
*
- NOTE: For the step no. 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
Change F401. No
Is there voltage at pin 1 of IC401 19V? Change R412. Yes
Yes Is R412 broken? Yes
Change DIGITAL PCB.
Check IC401 and peripheral circuit.
(LCD SECTION)
POWER DOES NOT TURN ON
TROUBLESHOOTING GUIDE
Yes Is F401 broken? No
No Is there voltage at pin
No
10 of IC402 6V? Check IC402 and peripheral circuit. E-1
Service Manual - Page 20
No
Change DIGITAL PCB. Is there voltage at pins 1, No 2, 3, 4 and 5 of CP2804? Change V2301 (PANEL). Yes
Is there signal at pins No 1, 2, 3, 4 and 5 of CP2804 5V?
Yes
Is there voltage at pins 13, Yes 14, 16, 17, 19, 20, 22, 23, 25 and 26 of CP406 24V? Check IC401, T401, D437 and peripheral...
Service Manual - Page 22
... AT+5V CP401__2. SYS_POWER_H
CP401__18.SW+12V CP406__1,2,3,4,5. +24V SOUND AMP IC302 AN17808B CP401__11,12. 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
C403 + C404 +
POWER SW... +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.
Service Manual - Page 29
...
IIC_OFF I2C_DATA I2C_CLK
D
E
FLASH SCHEMATIC DIAGRAM
TCK TRST_N TDO ASEBRKAK_N TMS TDI RESET_N FLASH_WP ASEMD0
(DIGITAL PCB)
C2807 0.1 B
CP2803 A2001WV-12A
TCK
1
TRST_N
2
TDO
3
ASEBRKAK_N 4
TMS
5
... 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...
Service Manual - Page 33
...E
F
LVDS SCHEMATIC DIAGRAM
8
(DIGITAL PCB)
G
H
8
SCALER IC
TO 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...
RXIN2+ 19
CURU1704
LCD PANEL
6
GND
18
RXCLK...
Service Manual - Page 37
... +5V 11 TU 12 +30V
14 SDA 15 SCL 16 AFT 17 +5V 18 IF_OUT 19 IF_AGC 20 IF_OUT1 21 IF_OUT2
D
E
TUNER SCHEMATIC DIAGRAM
(DIGITAL PCB)
24
25
L5801 22uHNLV25
F
W878 8
G
TO SCALER VIDEO/AUDIO TU_CVBS
H 8
7
3.3 3.3 2.6 5.0 B5809 0 FCM1608KF-...-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 ...
Service Manual - Page 38
...TUNER TU_CVBS I2C_CLK I2C_DATA
TO HDMI HP_RST
FROM SCALER POWER AD_A3.3V
FROM/TO AV SWITCH2 SW_Y_IN SW_C_IN MCLK SDOUT LRCK BCLK
C
D
E
F
SCALER VIDEO/AUDIO SCHEMATIC DIAGRAM
(DIGITAL...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...
Service Manual - Page 39
... SCALER VIDEO/AUDIO LRCK SDOUT BCLK MCLK ASW0 SW_Y_IN SW_C_IN
6
FROM TUNER TU_AUDIO_L TU_AUDIO_R
FROM JACK3
5
AV1_Y AV1_C SW_L SW_R
4
SW_C_IN AV1_C
G
3
FROM MICON RESET_N
FROM REGULATOR2
P.CON+9V
D3.3V
D5.0V
2
GND
PCBDH0 CEG352
1
H
H-22 A
B
C
D
E
F
AV SWITCH2 SCHEMATIC DIAGRAM
8
(DIGITAL PCB)
C6563 1B C6564 16V 10 V-S
7
Lch SW IC
IC6552...
Service Manual - Page 40
... CRITICAL FOR SAFETY,USE ONES DESCRIBED IN PARTS LIST ONLY
CAUTION: DIGITAL TRANSISTOR
E
F
G
PCBDH0 CEG352
H
1
H-24
A
8
FROM/TO REGULATOR
CP3001(CP401) TWG-P23P-A1
1 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...
Service Manual - Page 43
...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 TO CHANGE WITHOUT NOTICE
A
B
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED WITH THE DIGITAL...
Service Manual - Page 49
...21 21
GND
22 22
LOUT_SOUND 23 23
CP3001
1 1 TUNER+30V
2 2 POWER_FAIL
3 3 SYS_POWER_H
44
AT+3.3V
55
GND
...
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... 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...
Service Manual - Page 58
... CRYSTAL 100GT02509 CRYSTAL 100GT01807 CRYSTAL 100GT01615 CRYSTAL 100DT01217 CRYSTAL
SMD-49 C27000B030 SMD-49 C25000H025 SMD-49 C18432B022 B16000E007 DS0321SRAB
*** TUNER ***
! TU5801 0164100026 DIGITAL TUNER *** NETWORKS ***
ENG36E19KF
NR2801 NR2802 NR2803 NR2804 NR2805 NR2806 NR2807 NR2808 NR2809 NR2810 NR2811 NR6551
11074100M7 R,NETWORK 11074100M7 R,NETWORK 11074100M7 R,NETWORK...
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