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Sanyo 1 938 102 10, Service Manual

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Sanyo 1 938 102 10 Service Manual Download Page 10

Analogue Interface P.C.B

SANDDUNE2

AC

Adapter

Invert

er

Uni

t

Brightness

 Volume

P.

C.B

US

B

P.C

.B

DC

 IN

P.C

.B

USB/AUD

IO

Co

nnector

P.C

.B

Switc

h / LED

P.

C.B

VR1

AC

Plug

Com

puter

J2

01

USB Device

USB

Downstream Port

VGA

Port

VR2

Audio

 P.C.B

5. Connection Diagram

Speaker (R)

Speaker (L)

TFT 15-inc

h

Liquid Crystal

Display

Power Switch

USB Upstream

Port

CN20

2

J1

01

HEADPHONE OUT

LINE IN

GND

VR2

+12V

ON(

=5V)

VR1

+DATA

-DATA

LED_G

MENU

N.C.

VRBC

VR2 
VRC

LED_R

UP

VRB2

VR1

DOWN

N.C.

SEL

VRB1

VRB2 
VRBC

+DATA

+DATA

-DATA

-DATA

-DATA

+DATA

-DATA

+DATA

-DATA

-DATA

+DATA

+DATA

N.C. 
N.C.

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

GND

+DATA

VCC

-DATA

COLD

1

HOT1

COLD

1

N

.C.

HOT1

F_GN

D

F_G

ND

F_G

ND

F_GN

D

F_GN

D

F_G

ND

F_G

ND

F_GN

D

12V

GND

GND

12V

MUTE

GND 
L 
GND

N.C.

D

DDA

GREEN

VSYN

C

DDC

LK

H

SYNC

BLUE

N.C.

N.C.

RED

DDC

LK

VSYN

C

H

SYNC

D

DDA

N.C.

N.C.

BLUE

GREEN

RED

GND

12V

SPO

UTL+

SP

OUTL-

SPOUT

R-

SPOUTR

+

RE0

VRB1

TEST 
TEST 
TEST 
VCC

RO0

VCC

RO1 
RO2 
RO3 
GND 
RO4 
RO5 
RO6 
RO7 
GND 
GO0 
GO1 
GO2 
GO3 
GND 
GO4 
GO5 
GO6 
GO7 
GND

BO0 
BO1 
BO2 
BO3

GND

BO4 
BO5 
BO6 
BO7

GND

NC

GND

HD

GND 
VD 
GND

DENA

GND

GND

RE1 
RE2 
RE3

GND

RE4 
RE5 
RE6 
RE7

GND

GE0 
GE1 
GE2 
GE3

GND

GE4 
GE5 
GE6 
GE7

GND 
BE0 
BE1 
BE2 
BE3 
GND 
BE4 
BE5 
BE6 
BE7 
GND

DCLK

GND

GND

VC

C2

GND

GND

GND

GND

GND

GND

GND

-DATA2

GND

GND

GND

GND

GND

GND

+DATA2

GND

GND

GND

GND

GND

GND

R

N.C.

CN1

1

2

3

4

5

P3

1

2

3

4

5

P7

1

2

CN20

3

1

2

CN20

3

1

2

3

4

Fr

ame

CN5

1

2

3

4

Frame

CN3

1

2

3

4

Frame

CN20

2

1

2

3

4

5

CN6

1

2

3

CN4

1

2

3

4

Frame

8

15

7

14

6

13

5

12

4

11

3

10

2

9

1

1

2

3

4

Frame

CN2

1

2

3

CN20

1

1

2

3

4

5

6

7

8

9

10

11

12

13

P2

1

2

3

4

5

6

7

8

P6

8

15

7

14

6

13

5

12

4

11

3

10

2

9

1

CN20

2

1

2

1

2

1

2

CN2

1

2

CN50

1

2

3

CN1

1

2

3

CN20

1

1

2

CN10

1

1

2

3

4

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

P10

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

P9

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

CN2

1

2

3

4

5

CN20

4

1

2

3

4

5

CN10

2

1

2

3

4

CN20

1

1

2

3

4

P5

1

2

3

CN3

1

2

3

- 9 -

Summary of Contents for 1 938 102 10

Page 1: ...SERVICE MANUAL 15 COLOR LCD MONITOR LMU TF150A2 GENERAL REFERENCE NO SM 920008 PRODUCT CODE NO LMU TF150A2 1 938 102 10 SANYO Electric Co Ltd OSAKA JAPAN ...

Page 2: ... 5 6 3 MAINTENANCE Disassembling the major components 7 4 BLOCK DIAGRAM 8 5 CONNECTION DIAGRAM 9 6 TABLE OF SIGNAL NAME 10 11 7 EXPLODED VIEW AND PARTS LIST 7 1 Exploded View 12 7 2 Parts List 13 8 APPENDEX 14 Refer to the separate volume user s guide for instruction 1 ...

Page 3: ... water accidentally enters the unit unplug the AC power cord immediately DO NOT PLUG IN THE UNIT AGAIN Handling precautions l Avoid bending kinking or damaging the AC power cord l Never insert or remove the power cord with wet hands Also be sure to hold cord by the plug when removing it from the outlet l Do not remove any parts that are held in place with screws The unit does not contain any user ...

Page 4: ...trol Switch Volume Brightness Power Switch Audio Volume On Screen Display Auto Adjust Contrast Horizontal Size Focus Horizontal Position Vertical Position Color Recall Black level Language English German French Spanish Environment Temperature Operating 5 to 35deg Storage 20 to 60deg Humidity 30 85 RH Non Condensing Power Supply AC Adapter Input AC 115 240V Output DC12V Model Name GI40 US1225 Power...

Page 5: ...eeable to the LCD s specification Adjust the computer s signal timing if possible A 5 Is the wire harness between Inverter PCB and a LCD module secured firmly Check the connection of wire harness B 6 Is the wire harness between main PCB and Inverter PCB secured firmly Check the connection of wire harness B 7 Is the wire harness between main PCB and SW LED PCB or main PCB and Brightness control vol...

Page 6: ... cable A 3 Is a sigil cable extended Don t extend a signal cable A 4 Is the output level on image from a computer not agreeable to LCD s specification Check the specification of a computer C 5 Is the Image Processing circuit on main PCB defective Replace the main PCB with the new one B 1 Is a signal cable connected securely Check the connection of a signal cable A 2 Is the connection between main ...

Page 7: ...B with new one B 1 Is a LCD monitor connected to an USB devise securely with USB cable Ensure the connection of the USB cable A 2 Upon a timing a PC does not detects an USB devise Reinstall the USB cable A 3 Is the driver software for a USB devise loaded correctly Refer to the user s manual for an USB devise Reload it to a PC A 4 Is the USB PCB defective Replace the USB PCB with new one B 1 Is the...

Page 8: ... wires to the Main Logic PCB 2 Unscrew the Inverter PCB 4 Screws 7 Main Logic PCB 1 Disconnect a RGB cable 2 Unscrew the shield plate over the Main Logic PCB 5 Screws 3 Remove the Inverter connector DC connector and Switch LED connector 4 Unscrew a metal bracket to be secured with RGB connector 2 Screws 8 DC IN PCB 1 Unscrew the DC IN PCB 2 Screws 2 Disconnect the connectors from a Power Switch th...

Page 9: ...MICRO CONTROLLER ROM CHEETAH3 TFT XGA LCD PANEL PANEL CONTROL POWER SUPPLY CRC VIDEO PRE AMP SAMPLING PLL DB15 Vsync Hsync Red Green Blue 4 BLOCK DIAGRAM 8 ...

Page 10: ...BO3 GND BO4 BO5 BO6 BO7 GND NC GND HD GND VD GND DENA GND GND RE1 RE2 RE3 GND RE4 RE5 RE6 RE7 GND GE0 GE1 GE2 GE3 GND GE4 GE5 GE6 GE7 GND BE0 BE1 BE2 BE3 GND BE4 BE5 BE6 BE7 GND DCLK GND GND VCC2 GND GND GND GND GND GND GND DATA2 GND GND GND GND GND GND DATA2 GND GND GND GND GND GND R N C CN1 1 2 3 4 5 P3 1 2 3 4 5 P7 1 2 CN203 1 2 CN203 1 2 3 4 Frame CN5 1 2 3 4 Frame CN3 1 2 3 4 Frame CN202 1 2 ...

Page 11: ...ITY GE1 GREEN Data P10 19 POLARITY GE0 EVEN GREEN Data LSB Even P10 20 POLARITY RE7 RED Data MSB Even P10 22 POLARITY RE6 RED Data P10 23 POLARITY RE5 RED Data P10 24 POLARITY RE4 RED Data P10 25 POLARITY RE3 RED Data P10 27 POLARITY RE2 RED Data P10 28 POLARITY RE1 RED Data P10 29 POLARITY RE0 EVEN RED Data LSB Even P10 30 POLARITY DCLK Data Clock P9 2 DENA Data Enable P9 4 POLARITY VD Vertical S...

Page 12: ...ata LSB Odd P9 40 POLARITY TEST Test Signal Out P9 43 TEST Test Signal Out P9 44 TEST Test Signal Out P9 45 12V for Output Voltage P3 1 VR1 2 for Contrast Volume P3 3 4 ON 5V for Back Light Control P3 5 H Light ON VR1 2 Brightness Control P5 1 3 VRC Brightness Control P5 2 MENU Menu Key Input P2 1 SEL Select Key Input P2 2 DOWN Down Key Input P2 3 UP Up Key Input P2 4 LED R LED RED Control Signal ...

Page 13: ...19 20 21 ...

Page 14: ... ENGLISH 1 632 887 4460 INSTRUCTION MANUAL GERMANY 1 CABINET1 1 632 888 6302 CABINET ASS Y 150AT 1 8 632 888 6319 BOTTOM LID ASS Y 150T 1 18 632 880 4993 RATING PLATE 1 CHASSIS 4 632 888 6333 SHIELD CASE ASS Y 1 STAND 10 632 888 6388 STAND ASS Y 1 9 632 832 1957 COVER STAND 1 CHASSIS ELC 3 632 888 6326 LIQUID CRYSTAL DIS ASS Y 1 2 632 825 8291 FFC ASS Y 1 7 632 888 6364 DC AC INVERTER ASS Y 1 16 6...

Page 15: ...APPENDIX Version of Firmware The Version of Firmware is displayed on screen Turn the Power Switch to OFF While pressing of the SELECT button turn the Power Switch to ON 14 ...

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