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Sharp LL-T15S3, Service Manual

The Sharp LL-T15S3 is a sleek and efficient 15-inch LCD monitor. Maximize its capabilities with our comprehensive Service Manual, available for free download at 88.208.23.73:8080. This user-friendly manual provides detailed instructions and troubleshooting advice, empowering you to optimize your Sharp LL-T15S3 experience.

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LL-T15S3

CONNECTOR SIGNAL TABLE • CIRCUIT DIAGRAM • PWB LAYOUT

5 – 6

Vhigh-2(Lamp2)

Vhigh-1(Lamp1)

Vlow-1(Lamp1)

Vlow-2(Lamp2)

Vhigh-2(Lamp2)

Vhigh-1(Lamp1)

Vlow-1(Lamp1)

Vlow-2(Lamp2)

R68,R71,R69,R72,R64,R65,R67,R83,R80(0

805) 0R

T

0

-220F

TO

-9

2

1/

8W

12.5*

2

0

1W

S

10*1

6

DO4

1

1/

8W

10R

(1

/4

W)

DR 8

*1

0

0.39

EFD

2

5

Fosc=5

0KHz

470U/25V(KY)

5*

1

1

1/

8W

10*1

6

TO

-9

2

1/

8W

1/

8W

1/

4W

DR 8

*1

0

1/

8W

13.

7K

R5

7

24.

9

K

105

K

1K

Primary GND

Secondary GND

R66,R67,R70,R79,R81,R84 (1206)

0R

J8,J9,J10,J11,J12,J13,J14,J15,J16,J17,J18,J19,

J20,J21

J22,J25,J26,J28

Y3

100U/

400V

(K

MG)

1M

18*

3

2

UU1

5

.7

10N 471

1000

P

1

0

00P

EN_ON

BRIGHTNESS

GND

+12V/2.0A

GND

+5V/1.8A

BRIGHTNESS

EN

_

O

N

+5V

RT

+5V

RT

CP

CP

CP

B+

B+

B+

TP

TP

TP

TP

TP

TP

TP

TP

CP

CP

CP

Pi

n

2

L1

2

1

3

4

Q9

SI4532

1

2

3

4

8

7

6

5

CN3

SM02B-BHSS-1-TB(JST)

2

1

U4

PC

-6

21

1

2

3

4

C39

101P/1KV

R42

R26

10K

R55

1

/4W

 820

C45

4.7u/10V(X5R)1206

D13

EG

P1

0

M

2

1

C8 10n

C5

0.47U

R49

1K(1/8

W

)

R52

1/4

W 1

0

0

R54 1/

4W

 5.

6K

C52

470n

R31

422R/1%

C46

4.7u/10V(X5R/1206)

C32

560pF(N

PO

)

D19

P6KE

160

A

2

1

ZD7

1/

2W

 6B

2

21

R30

560R(1206)

R25

10K

R73

1/

8W

R50

1/4

W1

0

0

D18

P6KE

160

A

2

1

R48

100

K

ZD1

5.6v

F1

3A/DIP(R25103)

C35

0.1uf

Q4

MMBT3

90

4

1

2

3

R5

6

L4

12

C41

2n2/500V

T3

11

0

2

3 4

5

7

9

8

6

C3 10n

T1

19:2600

5,6,7

8

1,2,3,4

9

R74

1/

8W

C11

OPEN

ZD3

5.6v

D2

LL41

4

8

2

1

Q2

DTA114EKA

D1

LL414

8

2

1

R1

910R/1206

C47

100n(0805)

C28

4.7U,X5R,10V(1206)

R13

280K,1%

ZD4

5.6v

R76

1/

2W

 1k

U5

T

L431

3

1

2

+

C38

 1000uF/25V(KY)

C37

2n2/500V

+

C33

C16 0.047U

C29

15P,3KV

C6

1.0U/25V/1206

R8 1M

C10

C/NC

C31

6.8nF

C12 0.22U

R16

10K

R27 1M

Q10

SI4532

1

2

3

4

8

7

6

5

F2

F

U

S

E

- 2A

/250V

F

U

S

E

- 2A

/250V

12

Q5

2N7002

2

3

1

+

C14 220u/25V

R53

1/4

W 1

0

0

C23

0.1U

R10

137K/F

R3

22(1206)

R32

3M(SMD/2010)

C36

2n2/500V

C15

4.7U

,X

5R ,10V

R77

220R

/3

W

Y1

R33

3.32K

F

R4

10K

D16

20A100V

1 32

R35

422R/1%

FB4

1

2

D5

LL414

8

21

D14

RGP

1

0

D

2

1

R51

1/4

W1

0

0

R20

0R

FB3

1

2

R21

0R

RT1

2A

 4R

(P

=

5

m

m

)

R23

0R

R24

0R

C26

6.8nF

C19

3.3nF(5%)

R12

1M(0805)

C24

15P,3KV

R89

220R

/3

W

Y2

C20

XXXX

ZD6

1/2W 1

6

-2

21

Q14

2S

C

1815

T2

19:2600

5,6,7

9

1,2,3,4

8

R5

9

 13

.3

K

D17

10A/60V

1

32

R17

18K

CN4

SM02B-BHSS-1-TB(JST)

1

2

CN1

1 2 3

D6

DAN217

1

3

2

R87

xxxx

D15

1

N

4148

2

1

R38

1

/4W

 750K

D3

LL414

8

21

C51

2n2/500V

L6

12

C25

10P,3KV

D9

DAN217

1

3

2

C17

220P

Q12

2

S

K

2628

1

2

3

R78

220R

/3

W

R28

3M(SMD/2010)

U6 TL431

3

1

2

BD1

2KBP

0

6

M

2

1

3

4

R57

1/

8W

 

R43

R18

47K

R9

1M

R29

3.32K

F

R15

51K

U2

SG6841

1

2

3

45

6

7

8

GND

FB

VIN

RI

RT

SENSE

VDD

GATE

C13 0.22U

D8 DAN217

1

3

2

+

C40

470U/25V(KY)

D7

DAN217

1

3

2

R19

36.5K/F

CN2

INV TO M/B CON

1

2

3

4

5

6

C7

0.1U

C27

560p(NP

O)

C30 10P,3KV

R39

1

/4W

 750K

U3

PC

-

6

21

1

2

3

4

+

C1

220U/25V(DIP)

R34

560

C21

0.1U

CN6

SM02(4.0)B-BHS-1-TB(JST)

1

2

Q15

2SA673

R2 560R/1206

C53

2n2/1KV

R36

1/

2W

R47

1

/8W

 100K

R75

1/

2W

+

C42

470uF/25V(KY)

Q3

DTC114EKA

1

2

3

R7

10k

+

C43

10*

1

6

R90

1/

4W

R41

33

K

D4

LL414

8

21

R40

C4

680n

R86

15K 1%

Q13

2SA1015

R6

1

1

/8W

 100

F3

12

R44

15R

C48

10P/3KV

VZ11

2

C22

0.047U

C49 10P/3KV

332P

Q7

2N7002

2

3

1

R22

63.4K/F

R85 15K

Q1

MMBT3

904

1

2

3

R5

8

1/

8W

 5.

6K

+

C34

10uF/50V(KY)

R11

110K/F

R6

0

1

/8W

 330

ZD5

26V

2

1

R45

1/

8W

 10K

R46

1/

8W

 1K

OZ960

U1

OZ960G/SSOP20

1

2

3

4

5

6

18

17

16

15

14

13

8

7

19

9

10

12

11

20

CTIMR

OVP

ENA

SST

VDDA

GNDA

CT

RT

PWRGND

LCT

DIM

LPWM

RT1

REF

PDRV_A

FB

CMP

PDRV_C

NDRV_D

NDRV_B

C9

1500P(NPO)

D11

DAN217

1

3

2

Q6

2N7002

2

3

1

C18

3.3nF

C4

4

103P

Q8

SI4532

1

2

3

4

8

7

6

5

R14

NC

D10

DAN217

1

3

2

CN5

SM02(4.0)B-BHS-1-TB(JST)

1

2

Q11

SI4532

1

2

3

4

8

7

6

5

X1

0.

47uF

OP1

OP2

N_D

N_D

P_A

FB1

N_B

P_C

OP1

P_A

OVP

N_B

P_C

OVP

OP2

FB1

A

B

C

D

876

5

4

3

21

1

2

3

4

5

6

7

8

D

C

B

A

A

B

C

D

876

5

4

3

21

1

2

3

4

5

6

7

8

D

C

B

A

A

B

C

D

876

5

4

3

21

1

2

3

4

5

6

7

8

D

C

B

A

A

B

C

D

876

5

4

3

21

1

2

3

4

5

6

7

8

D

C

B

A

1/1

2-

2. P

O

WE

R S

U

PP

L

Y

 PW

B

Summary of Contents for LL-T15S3

Page 1: ...cument has been published to be used for after sales service only The contents are subject to change without notice LLT15S3SME LCD MONITOR MODEL LL T15S3 CHAPTER 1 OUTLINE OF THE PRODUCT NOMENCLATURE AND FUNCTION 1 1 CHAPTER 2 CONNECTION ADJUSTMENT OPERATION AND FUNCTIONS 2 1 CHAPTER 3 DISASSEMBLY AND ASSEMBLY 3 1 CHAPTER 4 TROUBLESHOOTING 4 1 CHAPTER 5 CONNECTOR SIGNAL TABLE CIRCUIT DIAGRAM PWB L...

Page 2: ...Temperature of operating environment 5 35 C Power consumption 33W With no audio input 36W maximum 2W when in power saving mode Dimensions 338 W x 145 D x 313 H mm Weight Approx 3 9kg approx 3 3kg excluding stand Excluding analog signal cable DIMENSIONS UNITS MM Analog signal cable Approx 1 8m Audio cable Approx 1 8m SIGNAL TIMINGS Recommended resolution is 1024 x 768 All are compliant only with no...

Page 3: ...close the OSD On Screen Display Menu 2 c MODE button When the OSD Menu is displayed This button is used to select menu options When the OSD Menu is not displayed This button is used to set COLOR MODE 3 e d buttons When the OSD Menu is displayed These buttons are used to select an option or adjust the value of the selected option When the OSD Menu is not displayed These buttons are used to adjust b...

Page 4: ...arder in the middle of travel Continue raising by applying more force at that point Raise the display section until it stops when titled forward approx 5 2 Adjust to an easy to view angle 2 Angle adjustment Press down on the stand and adjust it to a suitable viewing angle Do not use the monitor when tilted back beyond approximately 25 The monitor may fall over leading to injury or malfunction 3 Fo...

Page 5: ...sory audio cable is connected to the audio output termi nal of the computer the sound of the connected computer is output from the monitor speakers You can also use the headphone jack of the display 1 2 CONNECTION OF HEADPHONES COMMERCIALLY AVAILABLE Headphones commercially available can be connected Note When the headphones are connected no sound can be heard from the monitor speakers 1 3 CONNECT...

Page 6: ...could lead to malfunction 5 Being careful not to damage the monitor spread out a soft cloth and lay the monitor on it display side down 6 Attach the arm to the monitor with four screws Note The screws used to attach the arm should be M4 screws with a length of 8 mm 10 mm protruding from the surface to be attached Using different screws could cause the monitor to fall off or to be internally damage...

Page 7: ... Power ON Power ON Press the above two buttons at same time and while turn the power on 2 ADJUSTMENT menu reset Press the two buttons at same time 3 Adjustment lock function While pressing the MENU button turn the power on 6 Screen adjustment MENU ADJUSTMENT AUTO CLOCK PHASE H POS V POS AUTO MENU GAIN CONTROL BLACK LEVEL CONTRAST MENU COOL STD WHITE BALANCE WARM USER R CONTRAST CONTRAST R G B G CO...

Page 8: ...redder than standard WARM Color tone redder than standard USER R CONTRAST e button for blue green d button for red G CONTRAST e button for purple d button for green B CONTRAST e button for yellow d button for blue MENU 4 MODE SELECT OSD H POSITION OSD horizontal position The position of the OSD display can be moved to the left and right e d buttons OSD V POSITION OSD vertical position The position...

Page 9: ...R SUPPLY INVERTER BOARD AND MAIN BOARD 1 Remove the hex screws A and screws B and then remove the shield 2 Remove the screws A and then remove the ground lead 3 Remove the connectors and screws B and then remove the power supply inverter board 4 Remove the connector locking tape 5 Remove the connectors and screws and then remove the main board 4 REMOVING LCD MODULE 1 Remove the screws A and then r...

Page 10: ...gnal is not input Synchronizing signal is input to main PWB Replace RGB cable with a new one LED turns on in orange Check power input system 1 Power supply PWB Normal Connected properly 2 Blown out fuse F1 3 Check 5VX 3 3VX 3 3VA VDD VD and VLCD are output 4 LED Check LED for breakage Check the path between P5 and U6 Check the cable for disconnection Replace any defective unit 1 Power supply PWB 2...

Page 11: ...ons while turning on power switch Screen stays in black Screen stays in white Screen jitters or on screen characters flicker Abnormal color Check the following signals 1 Check if module control signal is output U1 2 Check if VLCD voltage is output normally Yes No Yes No Yes No CLOCK and PHASE can be adjusted Does abnormal area move on screen when BLACK LEVEL or CONT is changed after H POS or V POS...

Page 12: ... RO4 26 GND 27 RO3 28 RO2 29 RO1 30 RO0 31 GND 32 GND 33 N C 34 N C 35 N C 36 GND 1 GND 2 DCLK 3 GND 4 DE O 5 VSYNC 6 HSYNC 7 N C 8 GND 9 BE7 10 BE6 11 BE5 12 BE4 13 GND 14 BE3 15 BE2 16 BE1 17 BE0 18 GND 19 GE7 20 GE6 21 GE5 22 GE4 23 GND 24 GE3 25 GE2 26 GE1 27 GE0 28 GND 29 RE7 30 RE6 31 RE5 32 RE4 33 GND 34 RE3 35 RE2 36 RE1 37 RE0 38 VLCD 39 VLCD 40 GND 1 12V 2 GND 3 GND 4 5V 5 BRI_Min 6 INV_...

Page 13: ...LL T15S3 CONNECTOR SIGNAL TABLE CIRCUIT DIAGRAM PWB LAYOUT 5 2 A B C D 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 D C B A 1 4 2 CIRCUIT DIAGRAM 2 1 MAIN PWB ...

Page 14: ...LL T15S3 CONNECTOR SIGNAL TABLE CIRCUIT DIAGRAM PWB LAYOUT 5 3 A B C D 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 D C B A 2 4 ...

Page 15: ...LL T15S3 CONNECTOR SIGNAL TABLE CIRCUIT DIAGRAM PWB LAYOUT 5 4 A B C D 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 D C B A 3 4 ...

Page 16: ...LL T15S3 CONNECTOR SIGNAL TABLE CIRCUIT DIAGRAM PWB LAYOUT 5 5 A B C D 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 D C B A 4 4 ...

Page 17: ...0A100V 1 3 2 R35 422R 1 FB4 1 2 D5 LL4148 2 1 D14 RGP10D 2 1 R51 1 4W100 R20 0R FB3 1 2 R21 0R RT1 2A 4R P 5 mm R23 0R R24 0R C26 6 8nF C19 3 3nF 5 R12 1M 0805 C24 15P 3KV R89 220R 3W Y2 C20 XXXX ZD6 1 2W 16 2 2 1 Q14 2S C 1815 T2 19 2600 5 6 7 9 1 2 3 4 8 R59 13 3K D17 10A 60V 1 3 2 R17 18K CN4 SM02B BHSS 1 TB JST 1 2 CN1 1 2 3 D6 DAN217 1 3 2 R87 xxxx D15 1N 4148 2 1 R38 1 4W 750K D3 LL4148 2 1 ...

Page 18: ...LL T15S3 CONNECTOR SIGNAL TABLE CIRCUIT DIAGRAM PWB LAYOUT 5 7 3 PWB LAYOUT 3 1 MAIN PWB A side ...

Page 19: ...LL T15S3 CONNECTOR SIGNAL TABLE CIRCUIT DIAGRAM PWB LAYOUT 5 8 B side ...

Page 20: ...LL T15S3 CONNECTOR SIGNAL TABLE CIRCUIT DIAGRAM PWB LAYOUT 5 9 3 2 POWER SUPPLY PWB ...

Page 21: ...153 152 151 150 149 148 147 146 145 144 143 142 141 140 139 138 137 136 135 134 133 132 131 130 129 128 127 126 125 124 123 122 121 TVCLK IRQ SCS SDA SCL RST GPIO1 GPIO0 DCVSS CONFIG4 CONFIG3 CONFIG2 CONFIG1 CONFIG0 PWM0 PWM1 DCVDD LCD_VEE LCD_VDD LCD_VBL DCVSS RED_OUTB_7 RED_OUTB_6 RED_OUTB_5 RED_OUTB_4 DOBVDD RED_OUTB_3 RED_OUTB_2 RED_OUTB_1 RED_OUTB_0 DOBVSS GRN_OUTB_7 GRN_OUTB_6 GRN_OUTB_5 GRN...

Page 22: ...er Digital Input Buffer Power 033 DVDD Power Digital VDD 034 DVSS Ground Digital ground 035 DTEST O Digital test output 036 VCCD Power Digital power 037 DGND Ground Digital ground 038 VGA_VSYNC I Port A vertical SYNC 039 VGA_HSYNC I Port A horizontal SYNC 040 SOGI I Port A Sync On Green input 041 VCCA Power Analog power for PLL 042 AGND Ground Analog ground for PLL 043 VREF I External 25V referenc...

Page 23: ...LU_OUTB_4 O Display Port B Blue Output Bit 4 117 BLU_OUTB_5 O Display Port B Blue Output Bit 5 118 BLU_OUTB_6 O Display Port B Blue Output Bit 6 119 BLU_OUTB_7 O Display Port B Blue Output Bit 7 120 DOBVSS Ground Digital Output Buffer Ground 121 GRN_OUTB_0 O Display Port B Green Output Bit 0 122 GRN_OUTB_1 O Display Port B Green Output Bit 1 123 GRN_OUTB_2 O Display Port B Green Output Bit 2 124 G...

Page 24: ...ace OSC REFCLK LCD Panel RED GREEN BLUE VSYNC HSYNC XSYNC SCL SDA CHROMA LUMINANCE COMPOSITE PA0 PA15 CAP_HS CAP_VS TVCLK IRQ RESET 24 EVEN DATA 24 ODD DATA PCLK DISP_EN HS VS VDD VBL VEE VDD Control VBL Control VEE Control OSD I OSD B OSD R OSD G OSD FSW OSD CLK HS VS Capture Interface LCD Power Switching Control OSD MASCOT SOG DCVDD DCVSS DOBVDD DOBVSS ...

Page 25: ...3 February Printed in Japan t COPYRIGHT 2003 BY SHARP CORPORATION All rights reserved Printed in Japan No part of this publication may be reproduced stored in a retrieval system or transmitted In any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher ...

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