Sharp LC-26SH12U Support Question
Sharp LC-26SH12U Support Question
Find answers below for this question about Sharp LC-26SH12U - 26" LCD HDTV.Need a Sharp LC-26SH12U manual? We have 1 online manual for this item!
Question posted by offgassers on November 5th, 2011
Tv Has Power But Will Not Turn On
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Related Sharp LC-26SH12U Manual Pages
Service Manual - Page 1
... DIAGRAMS ...H-1~H-34 • WAVEFORMS ...I-1, I-2 • MECHANICAL EXPLODED VIEWS J-1~J-3 • REPLACEMENT PARTS LIST K1-1~K2-9
This document has been published to change without notice. S3701LC26SH12
LCD COLOR TELEVISION
MODEL LC-26SH12U
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only...
Service Manual - Page 2
...in order to service are put these do not contact with the labels or seals on the TV. 3. IMPORTANT
When you exchange IC and Transistor with it in the condition that .
(INSULATION ..., put in the operation manual.
2. Remove the antenna terminal on TV and turn
on the cabinet, chassis and parts. PART NO. BE CAREFUL WITH THE LCD PANEL
Avoid a shock to the important parts for safety, or which...
Service Manual - Page 4
... CH Intermediate Digital Frequency Analog
Preset CH Stereo/Dual TV Sound Tuner Sound Muting Video Signal
LCD Size / Visual Size LCD Type Number of Pixels
View Range
Position Size Impedance Max...
at Video CD
at SVCD
at CD
G-4 Power
Power Source
AC
DC
Power Consumption
at AC
at DC
Stand by (at AC)
Energy Star
Per Year
Protector
Power Fuse
Safety Circuit
IC Protector(Micro Fuse)
G-5...
Service Manual - Page 5
... Yes Yes Yes Yes Yes No Yes Yes Yes Yes
A2-2 G-9 Remote Control
GENERAL SPECIFICATIONS
Unit
Glow in Dark Remocon
Remocon Format
Format
Custom Code
Power Source
Voltage(D.C)
UM size x pcs
Total Keys
Keys
POWER
FUNCTION
Source POWER
DISPLAY
LIGHT
SEARCH+
SEARCH- PLAY
REC
STOP
PAUSE
SKIP+
SKIP-
Service Manual - Page 6
...Features
GENERAL SPECIFICATIONS
Auto Shut Off Auto Search Power On Memory Comb Filter
Game Position
Auto Setup(Language/CH Program)
Picture Setting(TV)
AV Mode(Picture Preference)
Brightness , Contrast... Caption
CC Advanced
View Mode (Picture Size)
Picture Scroll
Cinema Mode
Aspect
PFC(Power Factor circuit)
Freeze frame
PIP/POP
Direct Input Selection
Digital Out
Dolby Digital
MPEG...
Service Manual - Page 8
...Size G-14 Weight G-15 Carton G-16 Material G-17 Environment
Switch
Indicator Terminals
Top
Power (Tact)
Channel Up/Menu Up
Channel Down/Menu Down
Volume Up/Menu >
...
AC Inlet
Approx. Input 1
Video Input 2
Audio Input 2
S - Still/Pause
Stop
Main Power SW
Input Select
Rear
Main Power SW
Power/Stand-By
On Timer
Side
Video Input 1
Audio Input 1
S - Input 2
Video Output
Audio...
Service Manual - Page 10
... Remove the 4 screws 2. 4. Remove the Digital PCB and Shield Digital in the direction of arrow (B).
1 2 3 2
4 4
Shield Digital
1-7: COVER LCD (Refer to Fig. 1-7)
1. Remove the Power PCB in the direction of arrow.
1 1
1
11 11
1
Power PCB
Fig. 1-6
B1-2 Remove the 2 screws 1. 3. Remove the 8 screws 1. 2. Remove the 4 screws 1. 2. DISASSEMBLY INSTRUCTIONS
1-5: DIGITAL PCB (Refer to...
Service Manual - Page 13
... (Minimum)
6
Standard Time
Operations
2 sec.
Check of factory TV data.
Releasing of MEMORY IC. C-1
Initialization of the SUM DATA and MICON VERSION on the screen.
POWER ON total hours are reset
such as the channel setting, and the POWER ON total hours. DOWN (Minimum)
1
Power ON
VOL. SERVICE MODE LIST
This unit is provided...
Service Manual - Page 14
...to USB Flash Memory. Insert the AC CORD of the set for the new DIGITAL SOFT FIRMWARE. Turn off the power. 7. Unplug the AC CORD, and remove the USB Flash Memory. 8.
No. JG176
Part No....the VOLUME DOWN button on the set and turn on the power. SERVICING FIXTURES AND TOOLS
JG176 2007 USA DTV LCD ROM DISC
Ref. APJG176121
Parts Name
2007 USA DTV LCD ROM DISC
Remarks Up-Date of WINDOWS2000 ...
Service Manual - Page 15
...13.
Set the VOLUME to minimum. 12. When satisfied correct DATA has been entered, turn POWER off the power. Press both VOL.
Please refer to the initializing of notation. DOWN button on the ... TV MICON Fimware
HCS CHK SUM : 07EA HRM CHK SUM : 9BD4 LCD PWR ON : 0000 OEC6088A_T039 DTV CA03B72232
FIG. 1
Initial setting data check sum.
Using the UP/DOWN buton on the POWER,...
Service Manual - Page 16
... sink. D-1
NO. FUNCTION 23 BAK LIGHT CENT 24 BAK LIGHT MAX 25 BAK LIGHT MIN 26 BRIGHT CENT 27 BRIGHT MAX 28 BRIGHT MIN 29 TINT 30 SHARP CENT 31 SHARP MAX 32 SHARP...remote control until the contrast step No. Patterm Generator
On-Screen Display Adjustment
1. To display the adjustment screen for TV, VIDEO1, VIDEO2, ColorStream HD, HDMI-0 and PC mode, press the INPUT button on the remote control for...
Service Manual - Page 21
TROUBLESHOOTING GUIDE
(LCD SECTION)
POWER DOES NOT TUNER ON
Is F401 broken? Yes
Yes Is R412 broken?
E-1
Check IC401 and peripheral circuit. Yes
No
Is there voltage at pin 10 of IC402 6V? Change F401. Change R412.
Yes
Change DIGITAL PCB.
Check IC402 and peripheral circuit. No
No Is there voltage at pin 1 No of IC401 19V?
Service Manual - Page 27
... SOUND +B 2
3 4
SOUND GND
5
6
GND
7
8 SW +12V 9
10 LCD+B
11 POWR_ON_H
12 LIGHTE_CTL
13 INVERTER_H
14
AT +5V
15
16 POWER FAIL
17
18
GND
19
20 SW +4V 21 22 SW +1.5V 23
REG+9V IC3404... P.CON +9V BA00BC0WFP
SOUND AMP IC1001
AN17808B
AV SW IC701 AN15853B-E1
Q3410 LCD +B RSQ035P03
PANEL V2301 ...
Service Manual - Page 38
... B3405 FCM1608KF-102T02 B3408 HCB3216KF-391T20
SW+12V
POWER_ON-H LIGHT_CTL INVETER_H AT+5V
C3404 0.22 B
5.0
0 SW Q3408 KRC102SRTK S802Y
4.7
4.7 4.7
4
5
6
S
D
D
LCD+B POWER_ON-H
LCD+B
LCD+B_SW IC Q3410
RSQ035P03
R3438 10K
15
AT+5V
16 POWER FAIL
5
17
GND
18
GND
19
GND
20
DTV+B2
21
DTV+B2
22
DTV+B
23
DTV+B
W851
POWER_FAIL GND...
Service Manual - Page 39
...G
LVDS SHEMATIC DIAGRAM
(DIGITAL PCB)
C2591 0.1 B
C2593 0.1 B C2592 6.3V 220
V-S
C2594 0.1 B
3.3 Vcc
1
28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
R7
2
3.3 TxIN5
R5
3
3.3 TxIN6
...220
V-S
B2502 FCM1608KF-151T06
R2507 180
B2503
FCM1608KF-151T06
B2504
FCM1608KF-151T06
CD7201 CHRU1301
LCD PANEL
V2301 LK255T3LZ5AZ
C2595 6.3V 220 V-S
NOTE:THE DC VOLTAGE AT EACH PART ...
Service Manual - Page 41
...FRONT END AFT_1 AFT_2 SD-H AFT
5
FROM/TO POWER3
DTV_ON-H LIGHT_CTL
LCD-H INVETER_H POWER_ON-H POWER_FAIL
P.CON+5V
4
FROM/TO SOUND
POWER_ON_MUTE_H
5.0 ...C102 0.01 B
R104
100
33 32 31 30 29 28 27 26 25 24 23
44 43 42 41 40 39 38 37 36...REMOCON
CP106(CP2201) A2001WV2-5P
REMOCON IN 1
GND
2
AT+5V
3
STANDBY LED 4
POWER ON LED 5
3
D105 RB520S-30-TE61
R118 10K
R117 10K
0
NC
5
NC
...
Service Manual - Page 44
...
19 18
6 17
16 15 14 13 12 11 10 9 8 7 6
55
4 3 2 1
DET POWER GND SDA SCL RESERVED CEC CLKCLK-S CLK+ D0D0-S D0+ D1D1-S D1+ D2D2-S D2+
R3715
22K
D3601 AVRL161A1R1NT
R3607... 3.1 3.1 0 0 3.3 3.3 3.3 0 01.8 1.8 0
3.3 0
3.3 03.3 3.3 3.3
DVIDE
C3604 10 C
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
R0PWR5V R1PWR5V
DSCL0 DSDA0 DSCL1 DSDA1
CSCL ...
Service Manual - Page 47
... CONDITION AND PICTURE IS NORMAL.
A
B
C
D
E
F
G
POWER2 SCHEMATIC DIAGRAM
8
(POWER PCB)
R478
7
FROM/TO POWER1
INV_SW+24V GND
SW+12V[UNREG]
GND_S
AT+5V
POWER_FAIL...2
5.7 S
7
1.5 D
7313NH
SYS_POWER_H LIGHT_CTL LIGHT_POWER_H AT+5V
S802X S803X
S803Y
SW+12V 9
LCD+B
10
SYS_POWER_H 11
LIGHTE_CTL 12
LIGHT_POWER_H13
AT+5V
14
AT+5V
15
B402 HCB1608KF-181T20
B403 HCB1608KF-...
Service Manual - Page 48
...
FROM/TO MICON
CP2201(CP106) A2001WR2-5P
REMOCON IN 1
GND
2
AT+5V
3
STANDBY LED 4
POWER ON LED 5
OS 32
CD2201_1 CU256001
PCBDA0 CEF275
R2217 10
R2201 390
R2213 10
C2203 0.01 B
...OS 32
CD2202_1 CU233301
PCB270 CEF274
SH CH DOWN SW2204_3 EVQ21505R SH CH UP SW2203_3 EVQ21505R
SH POWER SW2201_3 EVQ21505R
SH VOL UP SW2205_3 EVQ21505R
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE ...
Service Manual - Page 49
...20
20
DTV+B2
6
DTV+B2 21
21
DTV+B2
DTV+B
22
22
DTV+B
DTV+B
23
23
DTV+B
POWER PCB PCB240
CEF273
DIGITAL PCB PCBDH0 CEF276
20 RXIN0-
19 RXIN0+
GND
17 RXIN1-
16 RXIN1+
GND
14 RXIN2... QUE CELLS DECRITES DANS LA NOMENCLATURE DES PIECES
C
D
TO LCD PANEL CD7201
LCD PANEL V2301
E
21
GND
22
NC
23
GND
24
GND
25
GND
26
GND
27
GND
28 VDD+5V
29 VDD+5V
30 VDD+5V...
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