background image

EB1

OR2

U7

AT49HF/F010-45JC

3

29

28

4

25
23

26

27

5

6

7

8
9

10

11

12

21

20

19

18
17

15

14
13

24

31

32

1

16

2

30

22

A15

A14

A13
A12

A11

A10
A9

A8

A7

A6
A5

A4

A3

A2
A1

A0

DQ7

DQ6
DQ5

DQ4

DQ3
DQ2

DQ1

DQ0

OE

WE

VCC

NC

GND

A16

NC/A17

CE

RMADDR7

OB3

ER7

500m A

GND

OG7

JP1

4-P/NS

1

2

3

4

1

2

3

4

GND

RMADDR10

RMDATA3

3.3V_DVDD

RMADDR15

RMDATA6

EG6

RMADDR[0..15]

C120

0.1u/6

GREEN-

3

R42

47K/6

1

2

GPIO0/PWM0 5

RMDATA3

EB7

C94

22u/6.3V

3.3V_DVDD

EB4

H-PORT-EN

GND

EG4

HCLK

GPIO2/PWM2 5

GND

+5V

EG7

RMADDR8

3.3V_AVDD

OB6

RMADDR1

R66

10K/6

EB3

GPIO5/UART_DO

C88

0.1u/6

RMADDR5

GPIO10

OR1

GPIO7

5

BLUE-

3

Res et

Circuit

GPIO0/PWM0

RMADDR4

RMADDR15

GPIO12/NVRAM_SDA

RMADDR12

HS

3

OB[0..7]

5

C148

12p/6/NS

1

2

GPIO6

L11

CX000800000/1206

MUTE

5,6

GPIO1/PWM1 5

GND

RMADDR11

EB2

RMADDR13

ROM_OEn

C95

0.1u/6

U10

MAX809_1

2

1

3

OUT

G

N

D

V

C

C

RMADDR8

RMADDR14

OR6

C108

0.1u/6

C157

12p/4

1

2

ER1

C98

0.1u/6

RED+

3

GREEN+

3

DEBUG

CONNECTOR

GPIO13/NVRAM_SCL

OG0

+3.3V

GPIO13/NVRAM_SCL

R29

10K/6

RMADDR0

GPIO4/UART_DI

GPIO12/NVRAM_SDA

C75

0.1u/6

ER5

EG2

32-Pin PLCC Socket

DHS

6

OR7

C91

33p/6

1

2

GND

GPIO9

C117

0.1u/6

HFSn

C110

0.1u/6

EB6

R

M

D

A

T

A

[0

..

7

]

Shutdown 8

OR3

C121

0.1u/6

+5V

RMDATA1

GPIO8/IRQINn

DEN

6

HCLK

3

GND

RMDATA4

RMADDR6

RMDATA7

RMADDR2

ER[0..7]

5

BLUE+

3

GPIO3/TIMER1

RMADDR12

FLASH_OEn

RMDATA4

C76

0.1u/6

OR[0..7]

5

+5V

/

W

R

EG5

+5V

OR5

DVS

6

3.3V_DVDD

DCLK

6

C100

0.1u/6

C103

0.1u/6

PBIAS

5

R82

0/6

R137

22/6

R81

10K/6

GPIO6

5

RMADDR14

RMADDR13

R28

10K/6

3.3V_A

AGND

Int_Test

U8

gm2120 

PQFP208

171

170

167

166
163

162

179

180

185
186

191

192

151

152

40

41

42

43

44

45

50

51

52

118

115

117
116

195

194

174

205

204

5

4

6

7

39

201

25

24

23

22

19

18

17

16

15

8

35

34

33

32

31

30

29

28

9

10

14

12

13

11

36

1

5

5

1

5

3

165
169

161

158

157

178

2 2

0

5

3

6

7

8

1

9

7

1

1

1

1

2

9

2

6

8

8

1

3

4

2

0

3

1

7

6

113
114

175

1

8

2

184

1

8

8

190

197

198

199

150

149

1

4

8

146

1

4

4

141

1

3

9

145

140

137

136

3 2

1

3

8

5

4

6

8

8

2

9

8

1

1

2

1

3

0

8

9

1

3

3

2

0

2

1

3

5

1

5

6

1

5

4

1

7

7

1

8

3

1

8

9

1

4

7

1

4

3

1

3

8

200

159

61

62

65

66

69

70

71

72

94

93

75

76

77

78

79

80

74

73

85

86

87

90

91

92

84
83

95

96

99

100

101

102

64

63

105

106

107

108

109

110

104

103

2

7

131

142

132

173

181
187

193

196
164

168

172

160

60

59

58
57

56

55

3

7

119

120
121

122

123

124
125

126

127
49

48

128

47

46

206

207
208

1

RED+

RED-
GREEN+

GREEN-

BLUE+
BLUE-

RX2+
RX2-

RX1+

RX1-

RX0+
RX0-

XTAL

TCLK

GPIO0/PWM0

GPIO1/PWM1

GPIO2/PWM2

GPIO3/TIMER1

GPIO4/UART_D1
GPIO5/UART_D0

GPIO11/ROM_WEn

GPIO12/NVRAM_SDA

GPIO13/NVRAM_SCL

DCLK

DEN

DVS

DHS

RXC-

RXC+

REXT

GPIO16/HFSn

GPIO22/HCLK

RESETn

GPIO21/IRQn

DDC_SCL

DDC_SDA

GPIO8/IRQINn

CLKOUT

ROM_ADDR0

ROM_ADDR1

ROM_ADDR2

ROM_ADDR3

ROM_ADDR4

ROM_ADDR5

ROM_ADDR6

ROM_ADDR7

ROM_ADDR8

ROM_ADDR15

ROM_DATA0

ROM_DATA1

ROM_DATA2

ROM_DATA3

ROM_DATA4

ROM_DATA5

ROM_DATA6

ROM_DATA7

ROM_ADDR14
ROM_ADDR13

ROM_ADDR9

ROM_ADDR11

ROM_ADDR10

ROM_ADDR12

ROM_OEn

V

D

D

1

_

A

D

C

_

2.

5

V

D

D

2

_

A

D

C

_

2.

5

AGND_GREEN

AGND_RED

AGND_BLUE

AGND_ADC

SGND_ADC

AGND_RX2

R

V

D

D

R

V

D

D

R

V

D

D

R

V

D

D

R

V

D

D

R

V

D

D

R

V

D

D

R

V

D

D

C

V

D

D

_

2.

5

C

V

D

D

_

2.

5

C

V

D

D

_

2.

5

C

V

D

D

_

2.

5

R

E

S

E

R

V

E

D

PPWR

PBIAS

AGND_IMB

R

E

S

E

R

V

E

D

AGND_RX1

R

E

S

E

R

V

E

D

AGND_RX0
AGND_RXC

AGND_RXPLL

VDD_RXPLL_2.5

AVDD_RPLL

AVSS_RPLL

V

D

D

_

D

P

L

L

_

3.

3

AVDD_SDDS

V

D

D

_

S

D

D

S

_

3.

3

AVDD_DDDS

V

D

D

_

D

D

D

S

_

3.

3

AVSS_SDDS

AVSS_DDDS

HSYNC

VSYNC

R

V

S

S

R

V

S

S

R

V

S

S

R

V

S

S

R

V

S

S

R

V

S

S

R

V

S

S

R

V

S

S

R

V

S

S

C

V

S

S

C

V

S

S

C

V

S

S

C

V

S

S

G

N

D

1

_

A

D

C

G

N

D

2

_

A

D

C

G

N

D

_

R

X

2

G

N

D

_

R

X

1

G

N

D

_

R

X

0

V

S

S

_

D

P

L

L

V

S

S

_

S

D

D

S

V

S

S

_

D

D

D

S

N/C

ADC_TEST

PD6/ER6

PD7/ER7

PD10/EG2

PD11/EG3

PD12/EG4

PD13/EG5

PD14/EG6

PD15/EG7

PD33/OG1

PD32/OG0

PD18/EB2

PD19/EB3

PD20/EB4

PD21/EB5

PD22/EB6

PD23/EB7

PD17/EB1

PD16/EB0

PD26/OR2

PD27/OR3

PD28/OR4

PD29/OR5

PD30/OR6

PD31/OR7

PD25/OR1

PD24/OR0

PD34/OG2

PD35/OG3

PD36/OG4

PD37/OG5

PD38/OG6

PD39/OG7

PD9/EG1

PD8/EG0

PD42/OB2

PD43/OB3

PD44/OB4

PD45/OB5

PD46/OB6

PD47/OB7

PD41/OB1

PD40/OB0

C

V

S

S

Reserv ed

N/C

Reserv ed

RESERVED

RESERVED

RESERVED
RESERVED

RESERVED

AVDD_BLUE

AVDD_GREEN
AVDD_RED

AVDD_ADC

PD5/ER5

PD4/ER4

PD3/ER3

PD2/ER2
PD1/ER1

PD0/ER0

R

V

D

D

TCON_OSP

TCON_OPOL

TCON_OINV

TCON_ESP

TCON_EPOL

TCON_EINV

TCON_RSP2
TCON_RSP3

TCON_RCLK

GPIO10/TCON_ROE3

GPIO9/TCON_ROE2

TCON_ROE

GPIO7/TCON_TDIV

GPIO6/TCON_SHC

GPIO20

GPIO19

GPIO18

GPIO17

R47

22/6

EB[0..7]

5

C101

0.1u/6

2.5V_VDD

GPIO1/PWM1

C106

0.1u/6

GND

+5V

OG3

RMDATA5

C80

22u/6.3V

PPWR

6

OB7

HFSn

3

RMDATA1

ER2

R44

22/6

VS

3

OB2

+5V

RMADDR7

RMADDR3

A16

R83

10K/6

OG[0..7]

5

OG4

OB0

C85

0.1u/6/NS

1

2

GPIO7

OR4

A16

GND

3.3V_DVDD

C154

12p/6

1

2

C93

0.1u/6

C69

22u/6.3V

+5V

RMADDR1

GND

RMADDR11

HFSn

C82

0.1u/6

EG[0..7]

5

GPIO9

5

HCLK

R39

47K/6

1

2

3.3V_AVDD

R127

10K/6

C107

5p/6

C73

0.1u/6

C74

0.1u/6

3.3V_DVDD

OB1

TCLK

GND

3.3V_AVDD

GPIO2/PWM2

R130

10K/6/NS

GPIO3/TIMER1 5

RM-14

+3.3V

RMADDR6

EB0

R67

10K/6

RMADDR4

RMADDR14

500m A

ER0

GND

RMADDR5

GND

2.5V_VDD

RMADDR0

EB5

RMDATA0

RMADDR8

GND

RMDATA2

OR0

C97

0.1u/6

C78

0.1u/6

GND

GPIO5/UART_DO

OG1

ER3

C119

0.1u/6

GPO3

6

LCD_ON/OFF

5

RMADDR10

GPIO10

5

+5V

GND

/RESET

RMADDR2

C111

0.1u/6

RMADDR9

+5V

GPIO21/IRQn 5

R128

22/6

C96

0.1u/6

L10

CX000800000/1206

R51

22/6

500m A

RMDATA6

C102

5p/6

R93

1K/6

1%

C126

0.1u/6

EG1

EG0

GND

EG3

OCM-START

GPIO21/IRQn

OG6

RMDATA2

R136

22/6

L13

CX000800000/1206

RED-

3

OG5

/RESET

GPIO8/IRQINn 5

RMDATA5

XTAL

OG2

C84

33p/6

1

2

+2.5V

RMDATA7

ER6

ER4

RMADDR9

RMADDR3

R84

0/6

R52

10K/6

GPIO4/UART_DI

X1

14.318MHz

R131

22/6

R75

10K/6

FOR DEBUG PORT

GND

OB5

C118

0.1u/6

R50

22/6

3.3V_AVDD

OB4

RMDATA0

RMADDR9

U4

AT24C16-10SC-1.8

4

8

1

2

3

7

6

5

GND

VCC

A0

A1
A2

WP

SCL

SDA

AL718

10-4

Summary of Contents for AL718

Page 1: ...Acer AL718 Service Guide ...

Page 2: ...ON 3 SPECIFICATIONS 4 THEORY OF OPERATION 5 EXPLORED DRAWING DISASSEMBLY INSTRUCTIONS 6 CONTROL LOCATION 7 NECESSARY EQUIPMENT LIST 8 BLOCK DIAGRAM 9 CONDUCTOR VIEW 10 SCHEMATIC DIAGRAM 11 TROUBLE SHOOTING HINTS 12 BOM LIST 13 REPLACEMENT PARTS 14 SPARE PARTS LIST AL718 ...

Page 3: ...cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt within this service information by anyone else could result in serious injury or death AL718 A 1 ...

Page 4: ...he associated transfomer circuits 3 POWER SUPPLY REQUIREMENTS The external powr converter for this display utilizes AC and DC cords AC cord is detachable but DC cord is permanently attached Any attempt to replace another adapter could result in serious problem on the display 4 LEAKAGE CURRENT HOT CHECK 4 1 Plug the AC cord directly into the AC outlet Do not use an isolation transformer during this...

Page 5: ...1 DIMENSIONS 1 1 Front View unit mm 1 2 Real View unit mm AL718 1 1 ...

Page 6: ...1 3 Top View unit mm 1 4 Side View unit mm AL718 1 2 ...

Page 7: ...nction OSD 5 Languages function is excellent and new man machine interface Anyone is able to set up the picture as he like through OSD menu 2 3 Self Test function Self Testing picture comes out by pushing special key in the case of no connection with computer or power saving operation This function shows if monitor is alive or not and can be used for self aging test 2 4 Ergonomic design Low emissi...

Page 8: ... mm 14 8 Depth 182 mm 7 2 2 2 Net Weight 4 24kg 9 35 lbs 2 3 Maximum Viewable Area Diagonal 432 mm 17 3 PANEL SPECIFICATIONS 4 CONNECTORS 4 1 AC power cord CEE22 typed connector 4 2 Audio cable CN6 DB15HD 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 16 17 J1 PHONEJACK STEREO 1 2 3 PIN MNEMO SIGNAL 1 RV Red Video 2 GV Green Video 3 BV Blue Video 4 NC None 5 GND Ground DDC return 6 RG Red GND 7 GG Green GND ...

Page 9: ...Video signal level 0 7 Vpp Contrast Max Brightness Max Ambient 20 5 C degrees Input voltage AC 120 60Hz Warming up time 30 minutes Display mode 1280 x 1024 State Power Indicator On 50Watts Green Standby 1 Watts Amber Off 1 Watts Input voltage 90 240 Volts Power frequency 50 60 Hz Input current 2 Arms Inrush current 90A Power 50 Watts Fv Fh mode Resolution Hz KHz 1 IBM VGA 720 x 400 70 31 46 2 VESA...

Page 10: ...ini D Sub 15P connectors at both ends Length 1 8 meter 11 RELIABILITY 11 1 MTBF for completed unit without LCD 50 000 hours demonstrated MTBF 11 2 MTBF for LCD The brightness is still more than 50 of the original brightness after 30 000 hours min Operation Storage and Shipment Temperat ure 0 40 C 20 60 C Humidity 5 90 5 90 Altitude 3000m 12000m Value 250 cd m2 at center of the display area Specifi...

Page 11: ...k TCLK and XTAL This is the input pair to an internal crystal oscillator and corresponding logic A 14 318 MHz crystal is recommended b Hardware Reset Pin 5 Hardware Reset signal is generated by MAX809 U10 It assert a reset signal at least 100 ms c Analog to Digital Converter The gm2120 chip has three ADC s analog to digital converters one for each color red green and blue The analog RGB signals ar...

Page 12: ...ck is transmitted in parallel with the data streams over a fifth LVDS link At a transmit clock frequency of 85 MHz 24 bits of RGB data and 3 bits of LCD timing and control data FPLINE FPFRAME DRDY are transmitted at rate of 595 Mbps per LVDS data channel U1 AS the ODD pixel transmitter U2 as the EVEN pixel transmitter Pin Number Pin Name Pin Usage 40 GPIO0 PWM0 Backlight control 41 GPIO1 PWM1 Volu...

Page 13: ... 3 3Vdc load 1A 2 5Vdc load 0 3A Brightness Voltage from 0 3 3 3Vdc ON OFF Voltage High 3 3Vdc Low 0Vdc Brightness Voltage Vadj 0 3 Max 3 3Vdc min On Off Voltage High 3 3Vdc Low 0Vdc Audio Mute Voltage 0Vdc Mute enable 3 3Vdc Mute Disable Audio Voltage Voltage 0 4Vdc Min 3 3Vdc Max Output Static Output Characteristics 5V 1A Output 4 75Vdc 5 1Vdc 3 3V 1A Output 3 135Vdc 3 465Vdc 2 5V 0 3A Output 2 ...

Page 14: ...Pin 11 Audio Mute CN2 Pin 1 Speaker left1 Pin 2 Speaker left2 Pin 3 Speaker right1 Pin 4 Speaker right2 CN201 CN204 Pin 1 HV High Voltage for CCFL Pin 2 Return Low Voltage for CCFL AL718 4 4 ...

Page 15: ...5 EXPLORED DRAWING DISASSEMBLY INSTRUCTIONS 5 1 EXPLORED DRAWING AL718 5 1 ...

Page 16: ... 5 2 1 Stand base rear cover removal 1 remove the two screws 1 from neck 2 remove the base 3 remove the real cover 5 2 2 PCB holder removal 1 slide the pcb holder from the panel model 2 remove the pcb holder AL718 5 2 ...

Page 17: ...5 2 3 Panel module removal 1 remove four screws 4 5 2 remove the Panel module AL718 5 3 ...

Page 18: ...There are 5 sub functions in main menu The selected function icon will show in red in Power on off Soft Power Power In menu operation change the selected item or decrease adjusted value If audio exist decrease volume level _ In menu operation change the selected item or increase adjusted value If audio exist increase volume level Select Escape the sub menu or enter item adjusting Auto configuratio...

Page 19: ...by press or Key and press Select key to enter the sub function Brightness Contrast Function Tracking Function Position Function Color Function Other Function Selec Selec Selec Selec AL718 6 2 ...

Page 20: ... or are used to adjust the value The Menu key will act as quit and back to OSD off during the main Step 1 The Menu button can back to OSD ON To use or button to select the Brightness Contrast Tracking Position Color and Other The Select button can enter function adjustment and goto next step The Menu button can back to OSD OFF Step 2 To use or button to select the item to be adjusted Selec No Sign...

Page 21: ... or button is to adjust the item value The Select or Menu button is to finish adjustment and then back to Step 2 6 3 2 Volume Menu Operation Use or to adjus t Volume level and Select to toggle mute on off Menu to quit Volume adjust operation 6 3 3 OSD Time out The OSD Time out is defined to 20 sec AL718 6 4 ...

Page 22: ...tion 1 Personal Computer with Windows 98 or above version 2 Luminance Meter Minolta CA 110 3 Video Gnerator Chroma 2000 2135 2250 or equivalent 4 Colour Analyzer Minolta Chroma or equivalent 5 Watt Power Meter 6 10 Times Magnifier AL718 7 1 ...

Page 23: ...8 1 Power Module 8 BLOCK DIAGRAM Power Module To Panel lamp Inverter Output Voltage Output Audio Output TDA7496 IC301 Speaker 2 AC Input 90 264V Audio Line input 5V 3A 3 3V 500mA 2 5V 500mA AL718 8 1 ...

Page 24: ...VSYNC HSYNC 3 3V AVDD 2 5V_AVDD 3 3V_DVDD AT24C16 U4 GPIO 13 12 NVRAM SCL SDA AT49HF U7 ROM DATA0 7 U1 ODD DS90CF383MTD DHS DVS DEN DCLK Power Reset U10 RESET U2 EVEN DS90CF383MTD DISP CLK PPWR Panel TXODD TXEVEN LCDVCC Key Control GPIO0 PWMO HS VS GPIO1 PWM1 VOLU Control TO PANEL LVDS INTERFACE EB EG ER 0 7 DATA OB OG OR 0 7 DATA AL718 8 2 ...

Page 25: ...9 PCB CONDUCTOR VIEW 9 1 Main Board AL718 9 1 ...

Page 26: ...AL718 9 2 ...

Page 27: ...9 2 Button Board AL718 9 3 ...

Page 28: ...10 SCHEMATIC DIAGRAM 10 1 Main Board 1 SHEET 1 CONTENTS 4 gm2120 6 LVDS IF CONTENTS 3 6 2 TOP LEVEL 4 SCHEMATIC 5 DISPLAY 5 2 3 INPUT CONNECTOR AL718 10 1 ...

Page 29: ...ute LCD_ON OFF VS DHS PBIAS HS DEN EB 0 7 EG 0 7 OR 0 7 OG 0 7 OB 0 7 GPIO8 IRQINn GPIO7 GPIO6 GPIO3 TIMER1 GPIO2 PWM2 GPIO1 PWM1 GPIO0 PWM0 GPIO21 IRQn HCLK HFSn ER 0 7 DVS DCLK PPWR GPIO10 GPIO9 G P O 3 D A R E D 0 7 GPIO9 RED GPIO7 D A B L U 0 7 GPIO10 DHS GREEN ER 0 7 D B R E D 0 7 EB 0 7 Display 5 Display GPIO7 GPIO6 ER 0 7 EG 0 7 EB 0 7 OR 0 7 OG 0 7 OB 0 7 GPIO8 IRQINn GPIO21 IRQn GPIO3 TIM...

Page 30: ... IN GND VGA 5V R62 22 6 RED 4 D3 5 6V 1 3 C131 0 01u 6 VGA 5V BLUE IN BLUE 4 GND C99 47p 6 GND R65 0 6 GREEN 4 R72 510 6 HS 4 GND C155 0 1u 6 1 2 D2 5 6V 1 3 RED IN C112 0 01u 6 VGA_SDA GND GREEN IN GND HCLK 4 C114 0 01u 6 R96 75 6 GREEN IN VGA VSYNC 1 H2 MTH276D126 2 3 4 5 6 7 8 9 BLUE 4 VGA_SCL R110 47K 6 RED IN GND VGA_HSYNC GND D1 5 6V 1 3 RED IN CN2 VGA INPUT 1 3 5 7 9 11 13 2 4 6 8 10 12 14 ...

Page 31: ... ROM_DATA0 ROM_DATA1 ROM_DATA2 ROM_DATA3 ROM_DATA4 ROM_DATA5 ROM_DATA6 ROM_DATA7 ROM_ADDR14 ROM_ADDR13 ROM_ADDR9 ROM_ADDR11 ROM_ADDR10 ROM_ADDR12 ROM_OEn V D D 1 _ A D C _ 2 5 V D D 2 _ A D C _ 2 5 AGND_GREEN AGND_RED AGND_BLUE AGND_ADC SGND_ADC AGND_RX2 R V D D R V D D R V D D R V D D R V D D R V D D R V D D R V D D C V D D _ 2 5 C V D D _ 2 5 C V D D _ 2 5 C V D D _ 2 5 R E S E R V E D PPWR PBIA...

Page 32: ..._ON OFF LCD_ON OFF 4 GND C34 12p 4 1 2 C43 0 1u 6 1 2 C188 0 1u 6 1 2 GND DARED4 C89 12p 4 1 2 R114 22 6 1 2 OG6 C25 12p 4 1 2 RN1 22 1 2 3 4 5 6 7 8 EB6 DARED1 DAGRN5 KEY_SEL C12 12p 6 NS EG0 3A OB0 DARED5 C27 12p 4 1 2 DBRED4 KEY_UP EB4 C135 12p 6 5V DARED7 C77 12p 4 1 2 C189 0 1u 6 1 2 DBGRN0 C79 12p 4 1 2 OR 0 7 4 DBBLU0 C67 12p 4 1 2 OG5 OG7 ER6 DBRED5 DBGRN5 C10 12p 6 NS RN3 22 1 2 3 4 5 6 7...

Page 33: ...183 470u 16V DBRED7 DBBLU7 TXODD3 TXEVENC Q6 SI9435 2 3 4 5 7 6 8 1 LCDVCC DBGRN2 TXEVEN1 TXODD3 DABLU2 1 differential trace 10m il GND TXEVENC GND TXODD1 C22 0 1u 6 DABLU5 DVS GND TXODD2 DARED0 DBGRN7 TXODD1 DBBLU7 C182 0 1u 6 1 2 2 differential trace spacing 12m il DAGRN7 C8 22u 6 3V DAGRN 0 7 5 DBBLU4 DBGRN0 DARED3 DBGRN1 DABLU 0 7 5 C2 0 01u 6 DAGRN0 DAGRN6 TXEVEN0 DARED 0 7 5 ODD 3 per pairs ...

Page 34: ...10 2 Button Board 2 BUTTON BOARD CONTENTS I O INTERFACE SHEET CONTENT 1 SCHEMATIC AL718 10 7 ...

Page 35: ...R 1 2 3 4 5 6 7 8 9 10 LEFT RIGHT SW4 HDK632R ST 1 3 2 4 SW2 HDK632R ST 1 3 2 4 SW3 HDK632R ST 1 3 2 4 orange LED1 EL 209 2EGW A1 C A2 MENU SW5 HDK632R ST 1 3 2 4 green SW1 HDK632R ST 1 3 2 4 AUTO SEL POWER AL718 10 8 ...

Page 36: ...6 2 5V Change Power module No Check Scalar module Output CN3 Pin 1 2 5V Pin 4 3 3V Pin 6 2 5V Change Cable From power module CN1 to Scalar B CN3 No No Power Check Power Button From Scaler B CN4 to Button B CN1 Change Cable Check cable Open Change Switch or Button board OK No No Yes OK AL718 11 1 ...

Page 37: ... 3V Output Check Q6 U10 CN3 Check LVDS U1 U2 Output Check Inverter OK Check U8 GM2120 R G B Output Change Inverter No Check x TAL X1 14 318Mhz Check H V SYNC Change X1 Check Panel Change Connector 30Pin or Cable Change VGA Cable Change U8 GM2120 No YES YES YES YES YES AL718 11 2 ...

Page 38: ...able Change Speaker Check Power Module CN1 Pin12 Volume Pin11 Mute Change Cable OSD Control Mute Volume Check IC301 ADA7496 Correct Check Input Signal JK1 OK Check Signal Source Or change JK1 Change ADA7496 Or Power Module OK OK OK OK OK NO NO NO NO AL718 11 3 ...

Page 39: ...06J906 CAPACITOR CHIP 12P 50V 5 NPO 0603 11 19 3 CH01506JB06 CAP CHIP 15P 50V 5 C0G 0402 49 20 3 CH03306J905 CAPACITOR CHIP 33P 50V 5 NPO 0603 2 21 3 CH04706J902 CAPACITOR CHIP 47P 50V 5 NPO 0603 2 22 3 CH11006J901 CAPACITOR CHIP 100P 50V 5 NPO 0603 1 23 3 CH31006K919 CAP CHIP 0 01U 50V 10 X7R 0603 10 24 3 CH41004Z931 CAP CHIP 0 1u 25V 80 20 Y5V 0603 45 25 3 CJ022084N10 RES ARRAY CHIP 22 1 16W 5 8...

Page 40: ...ER ASSY 1 58 2 37L70PBSY03 L70L N POWER B SHIELD ASSY 1 59 2 FAL70012011 LCD BKT L L70L N FAL70012 REV3A 1 60 2 FAL70013017 LCD BKT R L70L N FAL70013 REV3A 1 61 2 FBL70002016 GND PLATE P L70B FBL70002 REV3A L 1 62 2 FBL70003012 GND PLATE S L70B FBL70003 REV3A L 1 63 2 MF30060PBJ5 SCREW F3 0 6 0 P NI 3 64 2 MM30030IBJ4 SCREW M3 3 I NI 6 65 2 MM30060IBJ8 SCREW M3 0 6 0 I NI 4 66 2 FBL5T001017 AL FOI...

Page 41: ...MOSFET SI9435DY 30V 5 1A 1 PC Q6 3 BAN70020T04 TRANSISTOR MOSFET 2N7002 60V 0 115A 2 PC Q1 Q14 3 BCAN202UZ01 DIODE SMD DAN202U 80V 100MA SMD 1 PC D9 3 BD05232BZ09 DIODE ZENER SMD MMBZ5232B 5 6V SOT23 4 PC D1 D2 D3 D4 3 CH00506J904 CAPACITOR CHIP 5P 50V 5 NPO 0603 2 PC C102 C107 3 CH01206J906 CAPACITOR CHIP 12P 50V 5 NPO 0603 11 PC C113 C116 C129 C132 C135 C137 C139 C14 1 C145 C154 C184 3 CH01506JB...

Page 42: ...CHIP 75 1 10W 5 0603 3 PC R85 R90 R96 3 CS11003J904 RESISTOR CHIP 100 1 10W 5 0603 3 PC R14 R102 R106 3 CS14703J908 RESISTOR CHIP 470 1 10W 5 0603 2 PC R118 R119 3 CS15103J909 RESISTOR CHIP 510 1 10W 5 0603 1 PC R72 3 CS21003F904 RESISTOR CHIP 1K 1 10W 1 0603 1 PC R93 3 CS21003J906 RES CHIP 1K 1 10W 5 0603 2 PC R13 R143 3 CS24703J900 RES CHIP 4 7K 1 10W 5 0603 1 PC R35 3 CS31003J908 RES CHIP 10K 1...

Page 43: ... 2R MS P2 0 H6 0 1 PC CN2 2 DFHD30MR259 CONN DIP HEADER 30P 2R MR P2 0 H4 0 1 PC CN1 13 2 Button Board Replacement Parts List P N 23L70BBTN02 Part Number Part Description Qty UOM Location 2 BEYG0024DA5 LED DIP YELLOW GREEN L 3WAFN 1GYW 1 PC LED1 2 DAL70TB42A4 PCB BUTTON L70L T TB 2L 143 5 15 REVA 1 PC 2 DFHD10MR316 CONN DIP HEADER 10P 1R MR P2 0 H4 1 1 PC CN1 2 DHP00062N10 SWITCH PUSH BUTTON DTSA ...

Page 44: ...0L T BUTTON B ASSY 1 Button board 5 24L70LBTN03 L70L T LCD BEZEL ASSY 1 6 25L70LC0003 L70L B LCD COVER ASSY 1 7 26L70SA0001 L70L B STAND ASSY 1 8 29L70BATN02 L70L T BASE ASSY 1 9 DDL70LLC006 CABLE ASSY L70L MB LCD 30P REV1A 1 10 DDL70LPB006 CABLE ASSY L70L MB POWER 12P REV1A 1 11 DDL70LPC002 CABLE ASSY L70L MB VGA 14 15P REV1A 1 VGA cable 12 DDL70LTH006 CABLE ASSY L70L MB BUTTON 10P REV1A 1 13 DDL...

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