background image

D2

D1

G

S2

S3

D4

D3

S1

DGND

VOUT

VIN

ADJ/GND

T

T

DGND

T

T

T

T

DGND

T

T

DGND

DGND

DGND

DGND

T

DGND

DGND

DGND

DGND

DGND

T

DGND

BOOT

DRIVE

FB

GND

LGATE

PHASE

VCC

UGATE

D1B

D1A

G2

G1

S2

D2B

D2A

S1

DGND

DGND

T

DGND

DGND

DGND

DGND

DGND

DGND

BS

IN

SW

COMP

FB

SS

GND

EN

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

T

T

T

DGND

DGND

BS

IN

SW

COMP

FB

SS

GND

EN

DGND

T

T

T

T

T

DGND

DGND

DGND

GND/ADJ

OUT

VIN

4

IN

OUT

GND

IN

OUT

GND

VO=0.8(3.6+0.68)/0.68

VOUT=1.22X(24+2.7)/2.7

POWER PART

VEF=0.923V

VO=0.923(3.6+9.1+0.75)/(9.1+0.75)=1.26V

1.32V>VDDC>1.26V

C845

0.1U

+24V/12V

R816

47K

R813

47K

G

D

S

Q812

PMV65XP

D814

FM5817

+12V_AUDIO

V-AUDIO

C841 10U

R859

220R

5VAIN

3

2

1

U810

LD1117DT

3

2

1

U811

LD1117DT

1

2

3

4

U804

LD1117S33

L807

30R

C863

0.1U

+3_3VSTB

+3_3VSTB

+3.3V_SBY/5VMST

+3.3V_SBY/5VMST

R881

2R2

L816

30R

DGND

DGND

DGND

DGND

L801

30R

R861

1K

R863

10K

L809

30R

D803

S2L40U

PMV65XP

Q808

C818 220U

25V

(NC)

+5V

+5VSTB

R878

0R

+5V

D804

S2L40U

L805 10UH

1

2

4

6

8

12

14

16

10

3

5

7

9

11

13

15

P801

R805

0R

C810

10U

C809

330U

16V

+12VIN

+12V

L818

30R

R

0

3

9

1

8

L

10K

R876

100R

R831

+3_3VSTB

R860 10K

C869

0.01U

C833 0.01U

Z4

+3.3V_SBY/5VMST

DIM

P_ON/OFF

BL_ON/OFF

P_ON/OFF

Z3

+12_AUDIO

L806

30R

VDDC

VCC-1_26V

R814 10K

R815

10K

B

C

E

Q801 C124ET

4U7

C801

+3_3VSTB

C826 10U

+3V3IN

L814

30R

5VAIN

+3.3V_SBY/5VMST

R862

3K3

R824 3K3

R826

1K

B

C

E

Q803 BT3904

R851

220R

NC

R858

200R

R835

24K

(NC)

2K7

R834

(NC)

4700P

C817

(NC)

15K

R833

(NC)

C864

390P

(NC)

10U

C821

(NC)

0.1U

C820

(NC)

1U

C819

(NC)

L804

15UH/(NC)

D805 SR34

(NC)

C816

0.1U

(NC)

C815

0.01U

(NC)

0.1U

C814

(NC)

C813

220U

35V

(NC)

1

2

3

6

5

8

4

7

U803

MP1593DN/(NC)

R806

0R

R850

20R

NC

C849

0.1U

NC

C850

2U2

NC

C851

0.1U

NC

L810

30R

R855

10K

R854

10K

R830

1K

R838

8K2

5VAIN

R825

0R

NC

R849 750R

9K1

R846

R847

3K6

DIM

BL_ON/OFF

DIM

+12V

100K

R832

NC

C858

0.1U

C857

0.1U

C856

0.1U

C855

0.1U

C854

0.1U

C848

0.1U

C847

0.1U

C846

0.1U

C844

0.1U

C843

0.1U

C842

0.1U

L811

30R

+3.3V

POWER_CTRL

R811

0R

NC

R809

0R

0R

R810

+3_3VSTB

C838

10U

5VAIN

+3_3VSTB

5VAIN

R803

0R

VBR_EXT

2

0

8

C

U

1

LL4148

D801

+5V

DC-1_26V

+5VSTB

DGND

DGND

0R

R802

NC

VDDC

+2_6MVDD

+2_6VM

C825

0.1U

BL_PWM

L803 10UH

C830

100U

16V

B

C

E

Q804 BT3904

R843

0R

NC

R801 0R

VBR_O

0R

R812

NC

+12V

100R

R836

E

C

B

BT3904

Q806

10K

R839

470R

R841

1U

C836

5VAIN

0R

R844

NC

330R

R842

10K

R837

B

C

E

Q805

BT3904

+3.3V

R829

1K NC

1K

R828

ON_PBACK

C808

0.01U

C811

0.1U

B

C

E

Q802

BT3904

+12VIN

R818

20K

C835

220U

10V

VCC-PANEL

C803

1U

VBR_O

0R

R804

C840

0.1U

R840

NC

10K

R822

100K NC

100K

R820

NC

R821

3K6

R823

680R

C807

220U

16V

7

4

8

5

6

3

2

1

MP1482

U805

2K2

R848

3300P

C834

C827

220P

R845

100K

+12V

C832

0.01U

C812

1000P

C806

4U7

470K

R817

5VAIN

+3_3VSTB

R819

10R

D802 LL4148

C804

0.1U

C822

2U2

R827

100R

7

8

4

2

3

5

6

1

U808

PHKD13N03LT

C805

0.1U

1

2

3

6

5

8

4

7

RT8110

U807

C839

2U2

Z802

PW-ON/OFF-INV

+3.3V_SBY/5VMST

D807

LL4148

0.1U

C831

0.1U

C837

DC-1_26V

+2_6VM

C823 0.1U

5VAIN

+2_6V

C824

2U2

5VIN

C853

2U2

VCC-1V26

VBR0/5VSTB

+24/12V

+3V3STB

VBR_O/5VMST

+24V/12V

+24V/12V

+24V/12V

C862 10U

C861

0.1U

+3.3V

C859

0.1U

+3V3

C860

2U2

+5VIN

2

3

1

U801

AIC1084

B

C

E

Q807

BT3904

4U7

C866

R864

47K

C852 10U

C870

0.01U

C868

0.01U

P_ON/OFF

BL_ON/OFF

R870 10K

STB_CTL

D816

4148WS

ON_PANEL

R877

0R

+12V

D808

S2L40U

R880

0R

R879

0R

R882

220R

200R

R852

R887

220R

D817

FM5817

7

8

4

2

3

5

6

1

U802

PMK50XP

C897

0.1U

TL24V1

11

PCB Diagram

Summary of Contents for TLU245HB

Page 1: ...LCD 24 TLU245HB...

Page 2: ...to constitute a risk of electric shock to the person The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing...

Page 3: ...ion set to impact of any kind Be particularly careful not to damage the picture tube surface 9 Unplug this television set from the wall outlet before cleaning Do not use liquid cleaners or aerosol cle...

Page 4: ...e of groundingconductors location of antenna discharge unit connection to grounding electrode and requirements for the grounding electrode 15 2 Note to CATV system installer Only for the television se...

Page 5: ...lay black screen when no signal Turn to automatically standby mode if keep the signal unavailable over 15 minutes ON Aging mode Display snow dot when no signal The set will not turn to standby even if...

Page 6: ...he value should be Last for MS19C AP and STB for MS19C LA OK USB UPDATE K O w o l e b s l i a t e d e e s e s a e l P e r a w t f o s e d a r g p U FAC CH SEL Select the factory where the chassis is p...

Page 7: ...ion starts It indicates a successful calibration if prompt OK is displayed Otherwise It is a failing calibration NG displayed OK R OFFSET 127 Offset of R channel cannot be changed after auto calibrati...

Page 8: ...o adjust Three groups of color temperature Normal Warm Cool are available for each source OK R GAIN 128 Gain of R channel cannot be changed after auto calibration OK G GAIN 128 Gain of G channel canno...

Page 9: ...ET 12 13N03L 0BX For tuner IF demodulator 5V_IF For Audio Amplifier Power 12V_AMP 24 12V SW STB_CTL 1V26 PW_ON OFF STB_CTL AMP MUTE PANEL_ON OFF BL_PWM HDMI_DET LED WP_EEP AU SW0 SW1 IR_SYNC RESET RXD...

Page 10: ...107 Q106 2N7002 C116 4700P C115 200P R111 1K2 R109 6K8 C109 0 01U 2U2 C108 150R R108 C110 0 01U R106 22K R104 0R C139 560P R149 12K R148 10K 5V IF R123 22K C121 0 1U R124 22K R146 2K2 5V IF R140 220R...

Page 11: ...47U C220 0 047U 0 047U C218 C216 0 047U C213 0 047U 0 047U C212 R222 0R R229 0R 5 6 7 8 4 3 2 1 U203 M24C04MN B_RXO0 10P C302 C287 10P 10P C282 10P C280 10P C277 C262 2U2 0R R251 C232 2U2 AVDD_33_PM M...

Page 12: ...V NC 1 2 3 6 5 8 4 7 U803 MP1593DN NC R806 0R R850 20R NC C849 0 1U NC C850 2U2 NC C851 0 1U NC L810 30R R855 10K R854 10K R830 1K R838 8K2 5VAIN R825 0R NC R849 750R 9K1 R846 R847 3K6 DIM BL_ON OFF D...

Page 13: ...NC 2 1 RV429 V270RA NC 1 2 V270RA RV428 NC 2 1 RV427 V270RA NC 2 1 RV426 V270RA NC 1 2 V270RA RV425 NC 2 1 RV412 NC 1 2 RV411 NC 2 1 RV410 NC 1 2 RV409 NC 1 2 RV408 NC 2 1 RV407 NC 1 2 RV406 NC R446...

Page 14: ...SW PR PB Y SOY 470R R501 R502 47R 47R R503 R548 47R AV1 VIN AV1 VIN AV2 VIN C510 2U2 MUX RIN PC RIN AV2 RIN 0 1U C542 C541 0 1U C543 10U PC LIN R561 120R 12V 33K R514 C525 100P R516 39K 4 1 2 3 8 7 6...

Page 15: ...AMP_PLL_FT BICKI SDI AMP_RESET D603 LL4148 R603 10K R614 10K 10K R612 I2C_SDA AMP_SCL R604 100R I2C_SCL AMP_SDA R602 100R AUWS AUSCK AUSDO AUMCKO AMP_SDA 3 3V I2C_SDA I2C_SCL AMP MUTE XTI AMP_SCL 12V...

Page 16: ...1U C865 L P_ON OFF 24V 12V R865 10K B C E Q809 C124ET 330R R689 NC 330R R688 NC NC R671 0R PHONE R PHONE L R666 0R R664 470R PHONE R PHONE L 0R R684 NC L608 220R NC C675 470U 16V C674 470U 16V R680 0...

Page 17: ...Standby power OK TV can t send power on signal Check U801 output 3 3V Check and repair the peripheral components Replace U201 or X201 OK No OK No Check U201 and X201 4 Trouble Shooting TL24V1 16 Trou...

Page 18: ...e U808 U807 Power OK no backlight no raster Check U808 U807 OK No Replace U804 U805 U810 Check U804 U805 U810 OK No Replace X201 U202 U204 OK No Replace U201 Check X201 U202 U204 TL24V1 17 Trouble Sho...

Page 19: ...OK backlight OK no raster Check the voltage of pin S of Q812 OK No Replace Q812 Check the output of Q812 Check the voltage of LVDS signal No OK Replace U201 No OK Replace T CON board of panel TL24V1 1...

Page 20: ...ce no picture OK Check the T con board of panel ok Replace the bad Replace the bad Replace the bad HDMI no picture VGA YPbPr no picture Check the Components between AV port and U201 Check the componen...

Page 21: ...epair 5V_IF supply circuit or 33V generating circuit OK No Check the TV signal of X101 pin 4 and pin 5 OK No OK No OK TV no picture Check the TV signal of pin 51 and pin 52 of U201 Check X102 Check th...

Page 22: ...l source no sound Check the Earphone and AV audio out ok or not OK No Replace U201 Check signal of pin27 28 29 30 of U601 Check U601 No OK Replace U601 No OK Repair the peripheral components of U601 T...

Page 23: ...5 PCB TL24V1 22 PCB...

Page 24: ...TL24V1 23 PCB...

Page 25: ...TL24V1 24 PCB...

Page 26: ...TL24V1 25 PCB...

Page 27: ...TL24V1 26 Exploded View 6 Exploded View...

Page 28: ...TL24V1 27 Parts List 7 Parts List...

Page 29: ......

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