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AOC AT2241S, Service Manual

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Service Manual 

                                                                                                                   

  AT2241S

 

20 

Scarlar---Flash+key 

PA2

R420

NC/120R 1/16W 1%

LVB0M

PB4

R429

10K 1/16W 5%

USB_EN

CN401

NC/CONN

2
4
6
8

1
3
5
7

R444
10K 1/16W 5%

DVI_HPD 4

G0-

R423

220K 1/16W 5%

R412

NC

C431

NC/0.1uF 25V

PA7

AHS0

R417
470R 1/16W 5%

B0+

3

LVA3P

LED_1

R409 0R05 1/16W

LED_1

PB9

C424
1uF 10V

VCC3.3

R414

NC

C403

100NF 25V

LVB3P

PA5

RX1-

4

LVA3M

RXC+

SOG_DET

3

DUAL

D

OTS

C

5

7

Tuesday , May  25, 2010

715G3737-M0D

<

称爹

>

SCALER

G3737-M0D-000-0H4K-10-100125

OEM MODEL

Size

Rev

Date

Sheet

of

TPV MODEL

PCB NAME

称爹

T P V   ( Top    Victory     Electronics    Co . ,   Ltd. )

Key Component

絬 隔 瓜 絪 腹

PA1

CN405

NC/CONN

1
2
3
4
5
6
7

FB402
300OHM

AVS0

3

PB4

LED_A

R406

0R05 1/16W

VCC3.3

EE_WP

U403

NC/M24C16

1
2
3
4

5

6

7

8

A0
A1
A2

GND

SDA

SCL

WP

VCC

FB407
NC/300OHM

PB8

+5V

VCC3.3

PA4

PB[0..9]

R430

NC/22K 1/16W 5%

D

4

01

NC

R401

3K9 +/-5% 1/16W

C413

4.7UF 10V

KEY 1

PB9

Panel_ON

R419

390K +/-5% 1/16W

Q401
2N3906S-RTK/PS

Panel_ON 7

VSO

DDCSCL2

CN404

NC

1

2

3

4

5

6

7

LVA0M

G0-

3

RX0+

4

VCC3.3

+5V

RX1-

PB3

MSCL

BUZZER

PB1

R422

100K 1/16W 5%

LVACKP

R426

NC/100R 1/16W 5%

RX2+

4

DDCSDA2

4

KEY 2

LVB1P

PA3

R410 0R05 1/16W

ADC_VAA33

MSCL

SPI_CE

LVA3M

PS_EN

LVA2P

PA6

PB7

LVB0P

R408
470R 1/16W 1%

R

44

3

N

C

/2

2

K

 1

/16

W

 5

%

C

4

09

1

00
N

F

 25
V

C417

100NF 25V

DVDD

PB0

DDCSDA1
DDCSCL1

EDID_WP

R440

NC/0R05 1/16W

C402

100NF 25V

RX0-

LVBCKP

LVA1P

FB406

NC/120 OHM

1

2

PA8

LVB1M

AVCC

SPI_SO

VCC1.8

B0-

3

VCC3.3

KEY 2

LVB2P

CABLE_DET

D

4

03

NC

FB404
300OHM

LED_2

VGA_CABLE_DET

LVA0P

B0-

C427
100NF 25V

RX2-

4

ADC_VAA

LVB0P

PB2

LVA1M

VCC3.3 7

LVACKP

USB_DET

R424

1K 1/16W 5%

CVDD

R404

3K9 +/-5% 1/16W

DVDD

VCC3.3

D

4

04

NC/

RL
Z5
.6

B

R411
4K7 1/16W 5%

PA0

DVI_CABLE_DET

C429

220N16V

C

4

10

1

00
N

F

 25
V

C418

100NF 25V

C

4

20

NC

WP

TP1

DVDD

on_BACKLIGHT

C425 100NF 25V

LVB1P

RXC+

4

PA3

CN402

CONN

1

2

3

4

5

6

on_BACKLIGHT 7

ADC_VAA33

PA9

PB2

USB_EN

R433

NC/10K 1/16W 5%

CN406

NC/CONN

1

2

3

DVI_CABLE_DET

4

VCC3.3

KEY 1

R439

100R 1/16W 5%

R0+

3

RX0-

4

DDCSCL2

4

C426 47P 50V

R413
4K7 1/16W 5%

+5V

RX2+

PB6

LVACKM

R432
1M 1/16W

CN403

NC/CONN

1
2
3
4
5
6

VGA_CABLE_DET

3

LVA0M

LVB3M

R418
1K5 1/16W 5%

HSO

PA5

LVA2P

R0+

LED_G

G0+

TP5

RX1+

SPI_SO

R451 NC

R437

NC/22K 1/16W 5%

FB403
300OHM

LVB2M

U401

NT68668FG

1

2

3

4
5

6

7
8

9

10
11

1

2

13
14

1

5

16

1

7

1

8

19
20

21
22
23

24
25

2

6

2

7

2

8

29

30

31
32

33

34
35

36

37

38

39

40

41
42

4

3

4

4

4

5

46
47

48

49
50

5

1

5

2

5

3

54

55

56

57

58

59

60

61

62

6

3

6

4

102

1

01

100
99
98
97
96
95
94
93
92
91

9

0

8

9

88
87
86
85
84
83
82
81
80
79

7

8

77
76
75
74
73
72
71
70
69
68

67
66
65

128

127

126

125

124
123
122

121
120

1

19

118

117

1

16

1

15

114

113

1

12

1

11

110

1

09

108

107

106

105

104

103

RSTB

DV

DD_

ZP

DG

ND

RX2+
RX2-

AVC

C

RX1+
RX1-

AGN

D

RX0+
RX0-

AGN

D

RXC+
RXC-

AVC

C

REXT

AD

C

_BI

AS

PGN

D

BIN1+
BIN1-

SOG1I
GIN1+
GIN1-

RIN1+
RIN1-

AD

C

_VAA1

8

A

DC_

G

NDA

AD

C

_VAA3

3

PD6

PB3/ADC3/INTE1

P31/TXD
P30/RXD

PB2/ADC2/INTE0

PB7/DDC_SDA1*
PB6/DDC_SCL1*

PA3/PWM5

PA4/PWM6*

PA5/PWM7*

PA6/PWM8*

PA7/PWM9*

HSY NCI1
VSY NCI1

P

LL

_

G

N

D

GN

D

P

LL

_

D

V

D

D

PB5/DDC_SDA0*
PB4/DDC_SCL0*

PD5

P35
P34

DV

DD

CV

DD

NC

V0

V1

V2

V3

V4

V5

V6

V7

VCKI

NC

DG

ND/

CG

ND

PC6

NC

NC
NC
NC
NC
NC
NC
NC
NC
NC
NC

DV

DD

NC

T0M

T0P

T1M

T1P

T2M

T2P

TCLK1M

TCLK1P

T3M

T3P

DG

ND/

CG

ND

T4M

T4P

T5M

T5P

T6M

T6P

TCLK2M

TCLK2P

T7M

T7P

PA1/PWM3
PA2/PWM4
PA0/PWM2

OSCO

OSCI

PB0/ADC0

PB1/ADC1

PC5

PC4/PWM1
PC3/PWM0

PC1*
PC0*

CV

DD_

ZP

PWMB*

PWMA*

DV

DD

CV

DD

INT_HSO

INT_VSO

NC

NC

PC2

GN

D

PD4

SPI_CLK

SPI_SI

SPI_SO

SPI_CE

PC7

C407
100NF 25V

Q402
2N3906S-RTK/PS

R428

NC/100R 1/16W 5%

LVA3P

SPI_SI

LED_G

C

4

12

1

00
N

F

 25
V

C

4

08

1

00
N

F

 25
V

HSO

R0-

3

NT68668FG-QFP-128

LVACKM

R421

NC/100R 1/16W 5%

TP4

BUZZER

C437

NC/1UF 10V

WP

Audio_EN

C432

NC/0.1uF 25V

RXC-

4

ADC_VAA

R434

NC/100R 1/16W 5%

R427

22K 1/16W 5%

R

44

2

N

C

/4

K

7 

1

/16

W

 5

%

PB5

DVI_HPD

CABLE_DET

R402

NC/2K2 1/16W 5%

PS_EN 7

FB408
300OHM

R452 NC

C401

100NF 25V

+5V

PB5

PB3

C419

100NF 25V

R405

3K9 +/-5% 1/16W

PB8

B0+

LED_2

RX0+

LVA0P

C414
1uF 10V

ADC_BIAS

LVB1M

PB[0..9]

6

LVBCKM

TP3

LVA1P

RXC-

TOUCH_POWER

POWER

RX2-

EE_WP

Adj_BACKLIGHT 7

5V_DET

PB7

USB_DET

C404

4.7UF 10V

C406

1uF 10V

PB6

Adj_BACKLIGHT

C428 47P 50V

R

44

1

N

C

/4

K

7 

1

/16

W

 5

%

DDCSCL1

3

VCC1.8 7

LVA1M

LVB3M

C422
100NF 25V

C416

4.7UF 10V

C421

4.7UF 10V

LVB0M

R416

220K 1/16W 5%

R425

22K 1/16W 5%

RX1+

4

MSDA

LVB2P

R415
100K 1/16W 5%

EDID_WP

SPI_CE

R436

NC/22K 1/16W 5%

C

4

11

1

00
N

F

 25
V

C415
1uF 10V

VCC3.3

AVCC

VCC3.3

SPI_CK

Audio_DET

LED_A

LVB2M

PA9

C423

4.7UF 10V

AVCC

LVB3P

R403

NC/2K2 1/16W 5%

SPI_CK

PA[0..9]

PA2

LVA2M

LVA2M

SPI_SI

PA0

R446

NC/0R05 1/16W

R407

0R05 1/16W

PA[0..9]

6

G0+

3

DVDD

MSDA

X401

12MHz

1

2

Audio_DET 7

NT68668FG-QFP-128

PA8

C405

100NF 25V

DDCSDA1

3

+5V

LVBCKP

ADC_BIAS

SOG_DET

FB401
300OHM

LVBCKM

PA4

PA1

C430

NC/220nF 16V

AHS0

3

Audio_EN 7

POWER

CVDD

FB405
300OHM

PA6

DDCSDA2

R435

NC/10K 1/16W 5%

R438
NC/10K 1/16W 5%

CN407

NC/CONN

1

2

VSO

PB0

PA7

D

4

02

NC

VCC3.3

AVS0

R0-

R431
100R 1/16W 5%

+5V 3,4,7

PB1

U402

PM25LV020-100SCE

1
2
3
4

8
7
6
5

CE#
SO
WP#
GND

VDD

HOLD#

SCK

SI

 

Summary of Contents for AT2241S

Page 1: ...Service Manual AT2241S 1 LCD 显示器维修手册 Custom AOC Model AT2241S ...

Page 2: ...Service Manual AT2241S 2 REVISION LIST Version Release Date Revision History Model TPV Model No A00 Jun 30 2010 Initial Release AT2241S TC9GNTNYWVA2H4J ...

Page 3: ...istics 11 4 5 TFT LCD Module Block Diagram 12 4 6 LCD module input terminal pin assignment 12 5 Block diagram 13 5 1 LCD Block diagram 13 5 2 Main board Block diagram 13 5 3 Power board Block diagram 14 5 4 LCD software flow chart 15 6 Circuit Schematic 16 6 1 Main board 16 6 2 Power board 22 6 3 Invweter part 23 6 3 Key board 24 7 Monitor exploded view 25 8 PCB Layout 28 8 1 Main board 28 8 2 Pow...

Page 4: ...00mV Separate Sync H V TTL H Frequency 30kHz 81kHz V Frequency 56Hz 75Hz Dot Clock 165MHz Plug Play VESA DDC2B CI Connector D Sub 15pin DVI D 24pin USB HUB 1 upstream 1 downstream 2 0 Power Consumption ON Mode 35W Power Saving Mode 0 5W Switch OFF 0 1W Power Source 90 264VAC 47 63Hz 1 5A Max supply current Dimensions including stand 522 3mm 413 3mm 186 8mm Weight N W 4 35kg Environmental Considera...

Page 5: ... 31 469kHz 59 94Hz 640 480 37 861kHz 72 80Hz 640 480 37 50kHz 75 00Hz SVGA 800 600 35 16kHz 56 25Hz 800 600 37 879kHz 60 317Hz 800 600 48 07kHz 72 188Hz 800 600 46 875kHz 75Hz XGA 1024 768 48 363kHz 60Hz 1024 768 56 476kHz 70Hz 1024 768 60kHz 75Hz SXGA 1280 1024 63 981kHz 60Hz 1280 1024 79 976kHz 75Hz WXGA 1440 900 55 93kHz 59 88Hz 1440 900 55 469kHz 59 90Hz WSXGA 1680 1050 65 29kHz 59 95Hz 1680 1...

Page 6: ... Power Button To turn ON OFF the moniteor and power indicator Green Blue and Amber Orange 2 Menu Enter Active main menu while no OSD display enter next level on main menu or sub menu status or enter last level on adjustment bar Hotkey exit 3 4 3 or wide Hotkey Audio volume adjust for VA or chang 4 3 or wide image ratio for SA OSD increase current value of bar or move to next item of menu 4 ECO mod...

Page 7: ...utton or Right button may select item you wish to enter 4 Press MENU button to enter and press Left button or Right button to adjust item you select 5 Press EXIT button may back previous menu 6 Repeat steps 2 5 to adjust an additional item or select the EXIT button to return to previous menu 2 3 OSD Lock Function Press menu and hold with turn on Power the OSD menu is locked Again the OSD menu is n...

Page 8: ...8 Blue GND VGA Connector layout 1 5 6 10 11 15 3 2 DVI Connector Pin No Description Pin No Description 1 TMDS Data 2 13 TMDS Data 3 2 TMDS Data 2 14 5V Power 3 TMDS Data 2 4 Shied 15 Ground for 5V 4 TMDS Data 4 16 Hot Plug Detect 5 TMDS Data 4 17 TMDS Data 0 6 DDC Clock 18 TMDS Data 0 7 DDC Data 19 TMDS Data 0 5 Shield 8 N C 20 TMDS Data 5 9 TMDS Data 1 21 TMDS Data 5 10 TMDS Data 1 22 TMDS Clock ...

Page 9: ...Service Manual AT2241S 9 3 3 USB up down port Bottom View Top View ...

Page 10: ...ergral CCFL Backlght unit and a 30 pin 2ch LVDS interface This module supports 1680 1050 WSXGA resolution and displays up to 16 7 millions colors The converter module for the Backlight Unit is not built in 4 1 General Specifications 4 2 Electrical Absolute Ratings 4 3 Electrical Characteristics a TFT LCD module ...

Page 11: ...Service Manual AT2241S 11 b Backlight unit 4 4 Optical Specifications ...

Page 12: ...Service Manual AT2241S 12 4 5 TFT LCD Module Block Diagram 4 6 LCD module input terminal pin assignment Connector diagram ...

Page 13: ...28 Include ADC OSD MCU U401 D Sub Connector CN101 EEPROM PM25LD020C U402 H sync V sync Key Board Control CN401 402 Voltage converter 5V 5V 3 3V 1 8V DVI Connector CN102 DC AC inverter AC DC 5V 12V Power Board Main Board Key board PC VGA DDC 2 CCFL backlight Panel LVDS AC supply 90V 264V Monitor Block Diagram PC DVI DDC Input signal USB HUB USB cable From PC USB Memory ...

Page 14: ...ctifier 5V Rectifier 16V 5V Sense resistor Vcc Rectifier regulating Sampling PhotoCoupler Vcc Open Lamp Protection 16V DC 5V DIM DC AC Transformer T801 High Voltage Output Resonance NET Switching MOS Q805 Q806 AO4620 AC input 100 240V 2 CCFL PWM Control IC IC801 TA9687 Current Sampling Power part Inverter part Power inverter Board Block Diagram ...

Page 15: ..._GlobalVariables Initial_MCU Device while InputTiming ModeHandler MenuHandler DebugHandler if standby mode Brightness Contrast Language InputType InputTimingStableCounter OsdCounter PowerDownCounter LED turn on Show power on logo if factory mode No signal message UnsupportModeFlag END OSD Menu Software Flow Chart InputTiming Phaes Frequency Image setup Color O Enter factory mode OSD Y N Y ...

Page 16: ...CC1 8 R0 RX0 VLCD EDID_WP 04 SCALER 04 SCALER Adj_BACKLIGHT on_BACKLIGHT Audio_EN Audio_DET PS_EN Panel_ON PB 0 9 PA 0 9 R0 R0 SOG_DET G0 G0 B0 B0 AHS0 AVS0 DDCSCL1 DDCSDA1 EDID_WP VGA_CABLE_DET RXC RXC RX2 RX2 RX1 RX1 RX0 RX0 DDCSCL2 DDCSDA2 DVI_CABLE_DET DVI_HPD VCC1 8 VCC3 3 5V R0 PA 0 9 Adj_BACKLIGHT RXC VCC3 3 06 POWER 06 POWER Adj_BACKLIGHT on_BACKLIGHT Audio_EN Audio_DET PS_EN Panel_ON 5V V...

Page 17: ...5 R113 100R 1 16W 5 U103 AOZ8902CIL 1 2 3 4 5 6 CH1 VN CH2 CH3 VP CH4 R115 4K7 1 16W 5 R102 100R 1 16W 5 C111 NC 22pF 50V G0 5 ESD_VGA AHS0 5 RIN0 R112 75R 1 16W 1 VSIN0 C103 5PF 50V R0 BIN0 R121 100R 1 16W 5 DDCSDA1 5 DDCSCL_A VGA_CABLE_DET GIN0 HSIN0 R120 75R 1 16W 1 DUAL D OTS B 3 7 Monday January 25 2010 715G3737 M0D 称爹 D SUB I O G3737 M0D 000 0H4K 10 100125 OEM MODEL Size Rev Date Sheet of TP...

Page 18: ...k GND GND GND GND Q101 NC DCLK C117 100NF 25V DAT2 R134 10R 1 16W 5 ESD_DVI R130 10K 1 16W 5 D102 BAV70 3 1 2 ESD_DVI R128 100R 1 16W 5 5V EDID_WP 3 5 R137 10R 1 16W 5 HPD R132 4K7 1 16W 5 RXC 5 DCLK DDC_WP RX2 5 R141 10R 1 16W 5 R127 100R 1 16W 5 DAT1 C118 100NF 25V DVI_HPD 5 RX0 5 U107 AOZ8902CIL 1 2 3 4 5 6 CH1 VN CH2 CH3 VP CH4 DDCSCL2 5 R135 10R 1 16W 5 DUAL D OTS B 4 7 Monday January 25 2010...

Page 19: ...ET2 Q703 NC PMBS3904 C703 100NF 25V U704 3 2 1 VIN VOUT GND C716 10uF 50V R712 NC DUAL D OTS B 7 7 Monday January 25 2010 715G3737 M0D 称爹 POWER G3737 M0D 000 0H4K 10 100125 Variant Name OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 C707 100NF 25V 5V 3 4 5 C712 100NF 25V R706 NC R718 NC C711 NC 100uF 16V ON OFF VCC3 3 Audio_EN1 A...

Page 20: ...54 55 56 57 58 59 60 61 62 63 64 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 RSTB DVDD_ZP DGND RX2 RX2 AVCC RX1 RX1 AGND RX0 RX0 AGND RXC RXC AVCC REXT ADC_BIAS PGND BIN1 BIN1 SOG1I GIN1 GIN1 RIN1 RIN1 ADC_VAA18 ADC_GNDA AD...

Page 21: ... CONN 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 PB8 LVBCKM LVBCKM RXE1 PB5 FB409 120 OHM 1 2 LVB0M RXE1 LVB2P PA3 PB 0 9 CN409 NC CONN 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 LVB1M PA 0 9 RXE0 RXO1 PB7 LVA2M RXE3 RXE0 PA2 PA7 RXO2 R449 220 OHM 1 4W RXOC VLCD 7 RXO3 LVACKM RXOC RXO0 PB 0 9 5 LVACKP LVA1M PB9 RXE2 RXO2 R...

Page 22: ...V C9031000pF HS1 HEAT SINK Q901 1 2 R905 0R05 1 10W 5 5V1 T901 POWER X FMR 1 3 4 5 6 7 8 9 10 11 12 CN901 SOCKET 1 2 3 C925 NC F902 FUSE R920 15K 1 10W 1 R913 5 1 OHM 1 4W 5 L901 30mH 1 4 2 3 C914 470pF C916 0 001uF C917 0 001uF Q904 KTD1028 BD901 KBP208G 2 1 3 4 C915 0 01uF C926 0 1uF 16V HS2 HEAT SINK D901 D906 1 2 D905 NC 31DQ06FC3 R903 100 OHM 1 4W F903 FUSE NC F901 FUSE 5V C927 1UF VOL R904 7...

Page 23: ... 0 1uF R808 390R 1 10W 1 R830 8 2K 1 10W R803 5K1 1 8W 5 R804 5K1 1 8W 5 PT801 POWER X FMR 6 2 7 5 1 8 C808 0 033uF Q806 AO4620 1 2 3 4 5 6 7 8 S2 G2 S1 G1 D1 D1 D2 D2 DIM R820 10 OHM 5 1 10W C801 0 047uF R807 10K 1 10W 5 R837 10K 1 10W CN801 CONN 1 2 CN803 CONN 1 2 Q805 AO4620 1 2 3 4 5 6 7 8 S2 G2 S1 G1 D1 D1 D2 D2 Q802 2N7002 SOT 23 C807 3 3nF 50v R815 8 2K 1 10W C804 1000uF 25V C803 0 1uF R811...

Page 24: ...Service Manual AT2241S 24 6 4 Key Board 715G4007 K01 Just for your reference ...

Page 25: ...Service Manual AT2241S 25 7 Explore Views ...

Page 26: ...Service Manual AOC2241V 26 Institutions dismantling plan ...

Page 27: ...Service Manual AOC2241V 27 ...

Page 28: ...Service Manual AT2241S 28 8 PCB Layout 8 1 MainBoard 1 715G3737 M01 ...

Page 29: ...Service Manual AT2241S 29 ...

Page 30: ...Service Manual AT2241S 30 8 2 PowerBoard 715G2892 P1B ...

Page 31: ...Service Manual AT2241S 31 8 3 KeyBoard 715G4007 ...

Page 32: ...rvice Manual 8 User Manual 9 repair tools etc 9 2 Trouble Shooting Main Board No Power No power Press power key and look if the picture is normal Please reinsert and make sure the AC 100 240V is normal Reinsert or check the power section Check 5V CN701 3 3V U701 2 1 8V U703 Panel Vcc Q705 Check X401 waveform Replace U402 U401 Replace X401 OK NG Check replace CN701 U701 U703 Q705 Q706 NG NG NG OK O...

Page 33: ...vice replace X401 Check CN101 RGB HS VS Check U402 U403 out Check Correspondent component OK NG NG NG NG OK OK OK Replace U401 Updata soft data OK NG Check connector Replace Panel White screen Measure Q706 base is low level Check Q705 5V Or CN408 solder Check around device Check X401 waveform Check U403 U402 Check flow chart For the white screen Replace X401 Check around device Updata soft Replace...

Page 34: ... of IC901 8pin check component R908 R932 Check T901 1 3 out Vcc Check D904 R913 C913 Check IC901 drive out Check MOS Q901pin G D Check replace IC901 Check R917 R918 Q901 T901pri Around component Check T901sub rectified out 5V 12V Check rectified diode D905 D906 fiter capacitor Check open load Check photo coupler IC902 IC903 OK NG OK OK OK OK OK NG NG NG NG NG NG Power Board No Power 5V 12V ...

Page 35: ...voltage 16V Return check Power Check main board After Power off check Q802 Q805 R810 C809 Check IC801 6pin RT waveform Check aroud component Replace IC801 Check IC801 out6 8 9 10pin Check Q805 Q806 waveform Check T801 out voltage Check feedback circuit Check Replace C801 C803 Check around component Replace device OK NG OK OK OK OK OK OK OK NG NG NG NG NG NG NG Check IC801 11pin 5V pinCT waveform ...

Page 36: ...utton and hold reinsert the Power cord then press MENU the monitor will may enter Factory OSD Menu Then Press Factory OSD Menu will appear in the screen Check flow chart For the key board OSD is unstable or not working Is Key Pad Board connecting normally Is Button Switch normally Is Key Pad Board normally Check Main Board Connect Key Pad Board Replace Button Switch Replace Key Pad Board OK NG NG ...

Page 37: ...he PC with Windows XP system DDC recording device 12V for figure below 2 Connect the DDC recording device and the PC through PC parallel port print port 3 setup Port95nt exe and ntport24 exe driver program to PC 4 setup TPVDDC V3 22 program and run it below figure will appear Recommended TPVDDC V6 0 5 Press LoadFile select EDID model of product and select input port both DVI VGA 6 key in SN and ot...

Page 38: ...Service Manual AT2241S 38 ...

Page 39: ...Service Manual AT2241S 39 ...

Page 40: ... print line PC the print line to connect the other end of ISP programming card 715GT034 B 2 Will be burning machine to connect ISP D SUB 3 Connect 12V then Burn Card Connection as shown below Step2 Setup 1 To install the printer driver software PORT95NT exe 2 To install the the Novatek tool EasyUSB Eriter V4 55 ...

Page 41: ...iter V4 55 for figure as follows 1 Click ISP ON Check the computer and monitor communications OK 2 Click Option Tick FE2P Mode Enable For the protection of HDCP key 3 Click Option Setup ISP tool The figure appears as follows select LPT Port adjust to speed Then Click Confirm Change ...

Page 42: ...Service Manual AT2241S 42 4 Click Load File to choose the right software as shown below ...

Page 43: ...Service Manual AT2241S 43 5 Click the AUTO automatic programming The figure appears as follow OK ...

Page 44: ...6P 2008 6P A1253HA HR 360MM 2nd source E09502 095G8014 6WH84 HARNESS 6P 2008 6P A1253HA HR 360MM 1 0M1G 130 6120 SCREW M3X6 4 XN01A 0M1G1030 6120 SCREW M3X6 3 XN01B 0M1G1030 6120 SCREW M3X6 1 XN01C 0M1G1030 6120 SCREW M3X6 1 0Q1G1030 6120 SCREW 1 0Q1G1030 8120 SCREW 4 750GLG220W1P13N000 PANEL LM220WE1 TLP1 GZ LGD 1 756GJACB AA002 MCU ASSY main board CBPC9NTA1QYJ U402 056G1133 90 1 IC PM25LV020 100...

Page 45: ...ST CHIPR MAX0R05 1 16W FENGHUA 2nd source R110 061G0402000 JF RST CHIPR MAX0R05 1 16W FENGHUA 2nd source R109 061G0402000 JF RST CHIPR MAX0R05 1 16W FENGHUA 2nd source R104 061G0402000 JF RST CHIPR MAX0R05 1 16W FENGHUA 2nd source R103 061G0402000 JF RST CHIPR MAX0R05 1 16W FENGHUA 2nd source R103 061G0402000 JT RST CHIPR MAX0R05 1 16W TZAI YUAN 1 R104 061G0402000 JT RST CHIPR MAX0R05 1 16W TZAI Y...

Page 46: ... 061G0402101 JF RST CHIPR 100 OHM 5 1 16W FENGHUA 2nd source R703 061G0402101 JF RST CHIPR 100 OHM 5 1 16W FENGHUA 1 R124 061G0402101 JT RST CHIP 100R 1 16W 5 TZAI YUAN 1 R127 061G0402101 JT RST CHIP 100R 1 16W 5 TZAI YUAN 1 R128 061G0402101 JT RST CHIP 100R 1 16W 5 TZAI YUAN 1 R129 061G0402101 JT RST CHIP 100R 1 16W 5 TZAI YUAN 1 R431 061G0402101 JT RST CHIP 100R 1 16W 5 TZAI YUAN 1 R439 061G0402...

Page 47: ...e R427 061G0402223 JF RST CHIPR 22KOHM 5 1 16W FENGHUA 2nd source R425 061G0402223 JF RST CHIPR 22KOHM 5 1 16W FENGHUA 2nd source R133 061G0402223 JF RST CHIPR 22KOHM 5 1 16W FENGHUA 2nd source R116 061G0402223 JF RST CHIPR 22KOHM 5 1 16W FENGHUA 2nd source R719 061G0402223 JT RST CHIP 22K 1 16W 5 TZAI YUAN 1 R701 061G0402223 JT RST CHIP 22K 1 16W 5 TZAI YUAN 1 R427 061G0402223 JT RST CHIP 22K 1 1...

Page 48: ...061G1206221 JF RST CHIPR 220 OHM 5 1 4W FENGHUA 2nd source R448 061G1206221 JT RST CHIPR 220 OHM 5 1 4W TZAI YUAN 1 R449 061G1206221 JT RST CHIPR 220 OHM 5 1 4W TZAI YUAN 1 C120 065G040210232K T CAP CHIP 0402 1000PF 50V X7R 1 C120 065G040210232K Y CAP CHIP 0402 1N 50V X7R 10 2nd source C707 065G040210425K 3 CAP CHIP 0402 100N 25V X5R 10 2nd source C706 065G040210425K 3 CAP CHIP 0402 100N 25V X5R 1...

Page 49: ... T CAP CHIP 0402 0 1uF 25V X5R 1 C409 065G040210425K T CAP CHIP 0402 0 1uF 25V X5R 1 C405 065G040210425K T CAP CHIP 0402 0 1uF 25V X5R 1 C407 065G040210425K T CAP CHIP 0402 0 1uF 25V X5R 1 C408 065G040210425K T CAP CHIP 0402 0 1uF 25V X5R 1 C117 065G040210425K T CAP CHIP 0402 0 1uF 25V X5R 1 C118 065G040210425K T CAP CHIP 0402 0 1uF 25V X5R 1 C119 065G040210425K T CAP CHIP 0402 0 1uF 25V X5R 1 C40...

Page 50: ... CHIP 0402 0 047uF 16V X7R 1 C107 065G040247312K T CAP CHIP 0402 0 047uF 16V X7R 1 C105 065G040247312K T CAP CHIP 0402 0 047uF 16V X7R 1 C104 065G040247312K T CAP CHIP 0402 0 047uF 16V X7R 1 C102 065G040247312K T CAP CHIP 0402 0 047uF 16V X7R 1 C103 065G040250931C Y CAP CHIP 0402 5PF 50V NPO 0 25pF 2nd source C106 065G040250931C Y CAP CHIP 0402 5PF 50V NPO 0 25pF 2nd source C109 065G040250931C Y C...

Page 51: ... J44G6002 S192 PAPER PLATE 1 J44G9003200 35 CORNER PAPER 1 J44GC999101 eps 1 J44GC999201 eps 1 J44GC999615 2B CARTON 1 J45G 77 6 PE PACKING 4 J45G 88626 9 R PE BAG FOR MONITOR 1 J52G 1185A5A BIG TAPE FOR CARTON 2 J52G 1185A5B BIG TAPE FOR CARTON 2nd source KEPC9QC5J KEY BOARD 1 SW001 077G 5005A1 XL DOME SWITCH 5 PCS 1 J33G8B42 1 1C9073 KEY PAD 1 SMTKEPC9QC5J KEY BOARD FOR SMT 1 CN001 033G8032 6F X...

Page 52: ... 10 12 5mm 1 C922 067G215V471 3H CAP L105 470UF M 16V 2nd source C922 067G215V471 3N EC CAP 105 度 470UF M 16V NCC 2nd source C907 067G315Z10115K EC 100UF 450V 18 40mm 1 C907 067G315Z10115L EC 100uF 450V M 18 40mm 2nd source L901 073G 174 65 H2 LINE FILTER 30mH MIN 2nd source L901 073G 174 65 S2 LINE FILTER 30mH MIN 1 L906 073G 253 91 H CHOKE COIL 1 L905 073G 253 91 H CHOKE COIL 1 L905 073G 253 91 ...

Page 53: ...0603100 1F RST CHIPR 1 KOHM 1 1 10W 1 R918 061G0603100 2F RST CHIPR 10K OHM 1 1 10W 1 R807 061G0603103 RST CHIPR 10 KOHM 5 1 10W 1 R837 061G0603103 JF RST CHIPR 10K OHM 5 1 10W FENGHUA 1 R806 061G0603103 JF RST CHIPR 10K OHM 5 1 10W FENGHUA 1 R837 061G0603103 JT RST CHIP 10K 1 10W 5 TZAI YUAN 2nd source R806 061G0603103 JT RST CHIP 10K 1 10W 5 TZAI YUAN 2nd source R806 061G0603103 JY RST CHIPR 10K...

Page 54: ...R 100 OHM 5 1 4W 1 R929 061G1206101 RST CHIPR 100 OHM 5 1 4W 1 R912 061G1206101 RST CHIPR 100 OHM 5 1 4W 1 R910 061G1206101 RST CHIPR 100 OHM 5 1 4W 1 R903 061G1206101 RST CHIPR 100 OHM 5 1 4W 1 R909 061G1206101 RST CHIPR 100 OHM 5 1 4W 1 R923 061G1206101 JF RST CHIPR 100 OHM 5 1 4W FENGHUA 1 R902 061G1206105 JF RST CHIPR 1 MOHM 5 1 4W FENGHUA 2nd source R901 061G1206105 JF RST CHIPR 1 MOHM 5 1 4W...

Page 55: ...805 1 5UF K 10V X7R 1 C809 065G080522131G F CAP 0805 220PF 2 50V NPO 1 C809 065G080522131G Y CAP CHIP 0805 220pF 2 50V NPO 2nd source C806 065G080522512K 3 CAP CHIP 0805 2U2 16V X7R 10 2nd source C806 065G080522512K M MLCC 0805 CAP 2 2uF 16V X7R 2nd source C806 065G080522512K T CAP CHIP 0805 2 2UF K 16V X7R 1 C802 065G080547332K F CAP CHIP 0805 47NF K 50V X7R 1 C801 065G080547332K F CAP CHIP 0805 ...

Page 56: ...4 0A 250V 2nd source F901 084G 56 4W FUSE 4 0A 250V 2nd source ZD901 093G 3952152T TZX18B 2nd source ZD901 093G 3957952T GDZJ18C 1 D903 093G 6026T52T RECTIFIER DIODE FR107 1 D904 093G 6038T52T FR103 1 D801 093G 64 1152T 1N4148 2nd source D801 093G 6451652T 1N4148 2nd source D801 093G 6452452T DIODE 1N4148 B4006 DO 35 SEMTECH 1 D903 093G110050152T DIODE PR1007 1A 1000V 500ns DO 41 2nd source J819 0...

Page 57: ... 1 CN501 033G3802 5B Y L CONN 2 0 5P 1 CN502 088G 351 2B TN USB CONN 2nd source CN502 088G 3512B1 CL USB CONN BLACK 1 SMTUSB9QA1J USB BOARD FOR SMT 1 C503 065G0603104 12 CER2 0603 X7R 16V 100N P 1 C501 065G060350931J F CAP CHIP 0603 5PF J 50V NPO 1 C502 065G060350931J F CAP CHIP 0603 5PF J 50V NPO 1 FB501 071G 56K121 M CHIP BEAD 1 715G3501 2 USB PCB 18X40X1 6MM FR 1 S S 1OZ 1 USB9QA7J USB BOARD G2...

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