AOC LE42H354F Service Manual Download | Manualshive

Page: 29 / 33

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5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

IF-IN-

IF-IN+

RF-IN

RFIN

SCL_TUNER

SCL-T

SDA-T

IF_IN_P

IF_IN_N

IF-IN+

IF-IN-

IFAGC-T#

IFAGC

SDA_TUNER

IFAGC-T#

+3.3V_TU

+3.3V_TU

+3.3V_TU

+3.3V_TU

+3.3V_TU

+3.3V_TU

GND

AGND

IFN

4

IFP

4

SDA-T

4

SCL-T

4

IFAGC-T

4

Silicon Tuner TDA18274HD

BPF_IN

C367

T

L

1

2

2

0

n

H

1

2

0

m

A

5

%

T

L

1

2

2

0

n

H

1

2

0

m

A

5

%

TC21

10NF

TC21

10NF

TC20

10NF

TC20

10NF

TC19

47NF

TC19

47NF

TC6

0.1uF

TC6

0.1uF

TR3
10K

TR3
10K

TC12

100pF

TC12

100pF

TC23

0.1UF

TC23

0.1UF

TR8

4.7K

TR8

4.7K

CON1

TUNER_CONNECTOR

CON1

TUNER_CONNECTOR

1
2
3
4

TC14

0.1uF

TC14

0.1uF

R805

100R

R805

100R

TR1

100R

TR1

100R

TC16

6.8NF

TC16

6.8NF

TC1

100pF 100V/5%

TC1

100pF 100V/5%

TC9
33pF

TC9
33pF

R814

100R

R814

100R

TC3

82pF 50V

TC3

82pF 50V

TR6

1K

TR6

1K

TR7

4.7K

TR7

4.7K

TC15

0.1uF

TC15

0.1uF

TC7

6.8NF

TC7

6.8NF

TU1

TDA18274HD

TU1

TDA18274HD

RFVCC

1

GPO_RFAGC_SEN

2

GPIO2

3

GNDRF1

4

RFIN

5

GNDRF2

6

LTO(214)

7

STO

8

CAPsmooth

9

NC

10

GNDDIO

11

AS_SCAN1

12

X

ta

ll

n

S

E

L

1

3

S

C

L

1

4

S

D

A

1

5

G

N

D

D

IG

1

6

X

T

A

L

1

7

X

T

A

L

n

1

8

C

a

p

R

e

g

V

c

o

1

9

G

N

D

S

Y

N

2

0

V

T

2

1

C

P

2

2

V

C

C

S

Y

N

2

3

X

T

O

U

T

1

2

4

XTOUT2

25

SCANOUT1

26

IFN

27

IF

28

GNDIF1

29

VCCIF

30

IRQ_SCAN

32

VSYNC_SCAN

33

VIFAGC

31

GNDRF12

34

GNDRF11

35

GNDRF10

36

G

N

D

R

F

9

3

7

G

N

D

R

F

8

3

8

G

N

D

R

F

7

3

9

G

N

D

R

F

6

4

0

V

C

C

R

F

F

il

te

r

4

1

G

N

D

R

F

5

4

2

G

N

D

R

F

4

4

3

G

N

D

R

F

3

4

4

G

N

D

R

F

2

4

5

G

N

D

R

F

1

4

6

G

N

D

R

F

0

4

7

C

A

P

R

F

A

G

C

4

8

E

-P

A

D

4

9

1

K

1

K

2

T

2

T

3

C

3

C

TR5

430R

TR5

430R

TR4
10K

TR4
10K

TR9

100R

TR9

100R

C801

100PF

C801

100PF

TR2

100R

TR2

100R

TC5

0.1uF

TC5

0.1uF

TC13

100pF

TC13

100pF

C812

100PF

C812

100PF

TY1

16MHz

TY1

16MHz

TC11

220NF

TC11

220NF

TC18

47NF

TC18

47NF

TC2

100pF 100V/5%

TC2

100pF 100V/5%

TC10

2.7NF

TC10

2.7NF

TC8

33pF

TC8

33pF

TC22

1uF

TC22

1uF

TC4

150pF 50V ?%

TC4

150pF 50V ?%

J1

25X21mm

#; 5=

J1

25X21mm

#; 5=

1

2

3

4

T

L

2

3

3

0

n

H

1

4

0

m

A

5

%

T

L

2

3

3

0

n

H

1

4

0

m

A

5

%

TC17

220NF

TC17

220NF

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Summary of Contents for LE42H354F

Page 1: ...RFXPHQW IWHU VDOHV 0DLQWHQDQFH 6HUYLFH 0DQXDO 1R 7 9HUVLRQ IIHFWLYH IURP 0DUFK WK 3DJH RI IWHU VDOHV 0DLQWHQDQFH 6HUYLFH 0DQXDO LE42H354F...

Page 2: ...WLYH IURP 0DUFK WK 3DJH RI 7DEOH 7DEOH 7DEOH 7DEOH RI RI RI RI RQWHQW RQWHQW RQWHQW RQWHQW RUZDUG 6DIHW DQG 3UHFDXWLRQV LQ 0DLQWHQDQFH 3URFHVV 6HUYLFH RPPXQLFDWLRQ 3ODWIRUP FFHVVRU SSOLFDWLRQ 3URFHVV...

Page 3: ...W RI UHSDLU FHQWHUV 7KH PDQXIDFWRU SUHSDUHV WKLV IWHU 6DOHV 0DLQWHQDQFH 6HUYLFH 0DQXDO IRU XVH DQG UHIHUHQFH E DXWKRUL HG 6HUYLFH 6WDWLRQV 7KLV PDQXDO LQWURGXFHV WKH VHUYLFH SUHFDXWLRQV DQG DQDO VLV R...

Page 4: ...H FRPSRQHQW PRGHO EHIRUH UHSODFLQJ LW 8VLQJ RI XQDXWKRUL HG SDUWV PD OHDG WR KDUP VXFK DV HOHFWULF VKRFN ILUH RU UD UDGLDWLRQ KHQ UHSODFLQJ PDLP ERDUG RU EXV PDNH DUH LW LV LQVHUWHG DW WKH SURSHU SRVL...

Page 5: ...FRPSDQ ZLOO SURYLGH D UDWLRQDO TXDQWLW RI VSDUH PDLQWHQDQFH DFFHVVRULHV IRU FLUFXODWLQJ RI HDFK VHUYLFH VWDWLRQ GHSHQGLQJ RQ ORFDO PDLQWHQDQFH VLWXDWLRQ 7KH W SH RI VSDUH SDUWV DQG FLUFXODWLQJ YROXPH...

Page 6: ...ZLWKLQ WKH OLIH RI WKH TXDOLW DVVXUDQFH D UHH UHH UHH UHH 3DUW 3DUW 3DUW 3DUW SSOLFDWLRQ SSOLFDWLRQ SSOLFDWLRQ SSOLFDWLRQ RUP RUP RUP RUP VKDOO EH VXEPLWWHG WR WKH IDFWRU WR DSSO IRU SDUWV IRU IUHH SS...

Page 7: ...WDWLRQ HOLYHU SDUW E WKH ORJLVWLF RI WKH FRPSDQ D PDLO 8QUHDVRQDEOH ROOHFW PDWHULDO FRVW E ILQDQFLDO GHSDUWPHQW KDUJHDEOH RU IUHH RU IUHH LOO LQ 6 VWHP 3DUW SSOLFDWLRQ RUP SSURYDO E PDQDJHU RI VHUYLFH...

Page 8: ...RU DEQRUPLW KHFN 9 DQG 9 RQ PDLQ ERDUG IRU DEQRUPLW 5HSODFH SRZHU FRUG RU SRZHU VRFNHW KHFN IRU RSHQ ORRS RI IXVH RU UHSODFH PDLQ ERDUG KHFN PDLQ ERDUG RI SRZHU VXSSO IRU ORRVHQHVV RSHQ ORRS DQG SRRU...

Page 9: ...LWH KLWH SDQHO SDQHO SDQHO SDQHO 7KH LPDJH GLVDSSHDUHG LPPHGLDWHO DIWHU WKH HPHUJHQFH FKHFN WKH SOXJ RI KLJK YROWDJH VZLWFK ERDUG IRU VWULNLQJ VSDUNV DQG SRRU FRQWDFW 1R SUREOHPV LGHQWLILHG UHSODFH KL...

Page 10: ...H RI YROWDJH DW WKH KLJK YROWDJH ERDUG FRQWUROOHG E PDLQ ERDUG ZKHQ SRZHU RQ DQG SRZHU RII KHFN ZKHWKHU WKH YROWDJH FKDQJH RI WKH FRQWURO SLQV RQ WKH SOXJ LQWHUIDFH RI KLJK YROWDJH ERDUG LV QRUPDO ZKH...

Page 11: ...WKHU UHPRWH FRQWURO PXWH LV VHOHFWHG DQG VZLWFK VRXQG V VWHP 1R VRXQG IRU RWKHU LQSXWV FKHFN WKH VRXQG DPSOLILHU DQG WKH VKDUHG FRQWURO FLUFXLW 7KHUH LV VRXQG IRU RWKHU LQSXWV UHSODFH 79 WXQHU RU FRQW...

Page 12: ...QIRUPHG GULYH SODWH RI WKH ZLWKRXW DQ GLVSOD VLJQDO LQ WKH GLVSOD DUHD DQG WKH ZKROH VFUHHQ LV ZKLWH 6FUHHQ EUHDNLQJ RYHUIORZ RI ZLWK GDPDJH RU LQYLVLEOH GDPDJH RI WKH OLTXLG FU VWDO JODVV LUUHJXODU E...

Page 13: ...WHQQD RULHQWDWLRQ DQG ORFDWLRQ DQG DGMXVW WR WKH RSWLPXP RULHQWDWLRQ DQG DQJOH RQILUP ZKHWKHU WKH VLJQDO LV WRR ZHDN DQG WU WR XVH VLJQDO LQWHQVLILHU LQH LPDJH DQG DXGLR ZLWK QRLVH QWHU 79 PHQX DQG UH...

Page 14: ...O ADC Auto ADC adjustment PICTURE MODE Image mode Mode Signal source selection BRIGHTNESS Brightness CONTRAST Contrast COLOR Color saturation SHARPNESS Definition TINT Tone COPY ALL Inaction W B ADJUS...

Page 15: ...djust PEQ PEQ sound adjustment switch SW INFORMATION Software version edit time LNB model panel model parameters UART DEBUG Debug way UART DEBUG HK AEON VDEC four was general debut choose HK NONLINEAR...

Page 16: ...to the MODE item press the left right Moving button and move the cursor selection in YPbPr SD item record the R GAIN G GAIN B GAIN value and R OFFSET G OFFSET B OFFSET value 2 In the ADC ADJUST item p...

Page 17: ...Software update menu will pop up when press confirm key then select Yes to confirm The process of software updating...

Page 18: ...e The machine must be power off when inserted or pulled out U disk to avoid U disk or damage the machine 4 When cannot upgrade in accordance with the step two or upgrade failed can only ISP upgrade pl...

Page 19: ...of your PC The PC can recognize the new device You can choose to install it in the list or choose to install at a specified directory and specify the path to the drive file See the figure below Direct...

Page 20: ......

Page 21: ...Software burning a When the drives are installed connect the Mstar USB Tool board to TV main board in the following way Then connect the power cord and run the software ISP Tool V4 5 3 5 exe b In the...

Page 22: ...ice Type is GD25Q32 means that connect normally If it prompts Program File Not Ready means that there is poor connection please have a check d Click Read button then click Read button again to load th...

Page 23: ...owing figure f Then press RUN button to burn software The file s suffix must be bin Status bar If select All Chip option carelessly and execute loading action it will erase HDCP KEY on mainboard So ED...

Page 24: ...ur n next m achi ne 5 W hen upgr ade com pl et e i nst al l t he m achi ne back cover t hen m ust be adj ust ed bef or e l eave f act or y 1 Power to the machine press MENU button on the remote contro...

Page 25: ...ove the cursor to the Auto ADC option press OK key to enter the next level menu press the left right button to implement ADC action The screen will flash and Auto ADC function menu prompt SUCCESS mean...

Page 26: ...ter the next level menu move the cursor to the MODE item press the left right keys tomove cursor select the YPbPr HD item change the R GAIN G GAIN B GAIN value and R OFFSET G OFFSET B OFFSET value of...

Page 27: ...7 6 8NF TU1 TDA18274HD TU1 TDA18274HD RFVCC 1 GPO_RFAGC_SEN 2 GPIO2 3 GNDRF1 4 RFIN 5 GNDRF2 6 LTO 214 7 STO 8 CAPsmooth 9 NC 10 GNDDIO 11 AS_SCAN1 12 XtallnSEL 13 SCL 14 SDA 15 GNDDIG 16 XTAL 17 XTAL...

Page 28: ...D RFVCC 1 GPO_RFAGC_SEN 2 GPIO2 3 GNDRF1 4 RFIN 5 GNDRF2 6 LTO 214 7 STO 8 CAPsmooth 9 NC 10 GNDDIO 11 AS_SCAN1 12 Xt al l nSEL 13 SC L 14 SD A 15 G N D D I G 16 XTAL 17 XTALn 18 C apR egVco 19 G N D...

Page 29: ...D RFVCC 1 GPO_RFAGC_SEN 2 GPIO2 3 GNDRF1 4 RFIN 5 GNDRF2 6 LTO 214 7 STO 8 CAPsmooth 9 NC 10 GNDDIO 11 AS_SCAN1 12 Xt al l nSEL 13 SC L 14 SD A 15 G N D D I G 16 XTAL 17 XTALn 18 C apR egVco 19 G N D...

Page 30: ...D RFVCC 1 GPO_RFAGC_SEN 2 GPIO2 3 GNDRF1 4 RFIN 5 GNDRF2 6 LTO 214 7 STO 8 CAPsmooth 9 NC 10 GNDDIO 11 AS_SCAN1 12 Xt al l nSEL 13 SC L 14 SD A 15 G N D D I G 16 XTAL 17 XTALn 18 C apR egVco 19 G N D...

Page 31: ...D RFVCC 1 GPO_RFAGC_SEN 2 GPIO2 3 GNDRF1 4 RFIN 5 GNDRF2 6 LTO 214 7 STO 8 CAPsmooth 9 NC 10 GNDDIO 11 AS_SCAN1 12 Xt al l nSEL 13 SC L 14 SD A 15 G N D D I G 16 XTAL 17 XTALn 18 C apR egVco 19 G N D...

Page 32: ...D RFVCC 1 GPO_RFAGC_SEN 2 GPIO2 3 GNDRF1 4 RFIN 5 GNDRF2 6 LTO 214 7 STO 8 CAPsmooth 9 NC 10 GNDDIO 11 AS_SCAN1 12 Xt al l nSEL 13 SC L 14 SD A 15 G N D D I G 16 XTAL 17 XTALn 18 C apR egVco 19 G N D...

Page 33: ...12VIs R105 R103 12V 12VIs R102A R101A T02 1 4 2 3 BD1 PS ON 24V 24V 24V 5V V_bus VC_PFC 5VSB 5VSB Q3 D17 1 3 2 D15 1 3 2 1 3 2 Q4 1 3 2 Q5 2 6 13 9 10 15 11 12 16 14 T1 Css Delay CF RFmin STBY ISEN L...

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