AOC 193FW Schematic

AOC 193FW (+)

SERVICE MANUAL

19” LCD Monitor

193FW (+)

THESE DOCUM ENTS ARE FOR REPAIR SERVICE INFO RMAT ION ONLY. EVERY REASONABLE EF FORT
HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT GUARANTEE THE
ACCURACY OF THI S INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RELIABILITY FOR
CHANGES, ERROR S OR O MI S SIO NS.

1

AOC 193FW (+)

Ta b le of Content

Revision List………………………………………………………………………………………………………….

1. Monitor Specifications…………………………………………………………………………………………..

2. LCD Monitor Description………………………………………………………………………………………..

3. Operating Instructions…………………………………………………………………………………………..

3.1 General Instructions…………………………………………………………………………………………... 6

3.2 Control Buttons………………………………………………………………………………………………... 6

3.3 Adjusting the Picture………………………………………………………………………………………….. 7

3
4
5
6

4. Input/Output Specification……………………………………………………………………………………...

4.1 Input Signal Connector……………………………………………………………………………………….. 9

4.2 Factory Preset Display Modes……………………………………………………………………………….. 9

4.3 Power Supply Requirem ents ………………………………………………………………………………… 10

4.4 Panel Specification………………………………………………………………………………………….… 10

4.4.1Display Characteristics………………………………………………………………………………… 10

4.4.2Optical Characteristics…………………………………………………………………………………… 11

4.4.3 Parameter Guide Line For CCFL Inverter……………………………………………………………… 11

5. Block Diagram………………………………………………………………………………………………….…

5.1 Monitor Exploded View……………………………………………………………………………………….. 12

5.2 Software Flow Chart…………………………………………………………………………………………... 13

5.3 Electrical Block Diagram……………………………………………………………………………………… 15

5.3.1 Main Board………………………………………………………………………………………………... 15

5.3.2 Inverter/Power Board………………………………………………………….…………………………. 16

6. Schematic……………………………………………………………………………………………………….…

6.1 Main Board…………………………………………………………………………………………………….. 17

6.2 Power Board……………………………………………………………………….………………………….. 24

7. PCB Layout……………………………………………………………………………………………………….

7.1 Main Board…………………………………………………………………………………………………….. 27

9

12

17

27

7.2 Adapter Board………………………………………………………………………….……………………… 28

7.3 Inverter Board ………………………………………………………………………………………………… 28

8. Maintainability…………………………………………………………………………………………………….

8.1 Equipments and Tools Requirement………………………………………………………………………… 29

8.2 Trouble Shooting…………………………………………………………………………………………….… 30

8.2.1 Main Board………………………………………………………………………………………………... 30

8.2.2 Adaptor /Inverter/Board………………………………………………………………………………… 33

8.2.3 Keypad Board…………………………………………………………………………………………….. 34

9. White-Balance, Luminance adjustment ……………………………………………………………………

10. EDID Content…………………………………………………………………………………………………….

11. BOM List……………………………………………………………………………………………………….....

12. Different Parts list………………………………………………………………………………………….

29

35
36
37
181

2

AOC 193FW (+)

Revision List

Version Date Revision History TPV Model Name

A00 Jan-16-06

A01

A02

A03 Oct-05-06 Add the sold area model

A04 Oct-25-06 Add the sold area model T95MM2HCWCPUNP

A05

A06 Nov-30-06 Add BOM in item 11 T982KM2HMBUIN

A07 Jan-26-07 Add BOM in item 11 T96MM2NQWCA1N

A08 Jun-05-07 Add BOM in item 11 T95MM2HCWCCGNP

Sep-13-06 Add the sold area model T95MM2HLWCCKNP

Sep-18-06 Add the sold area model T95MM2HMWCUPNP

Nov-22-06 Add TPV Model in item 12 T982KM4HBAE1NP

Initial Release T982KM2HDBAON

T982KM2NKBA1N

T982KM2NKBA1NP

T95MM2HKWCA1FP

3

1. Monitor Specifications

Items Specifications

AOC 193FW (+)

Driving system TFT Color LCD

Size 48.0cm(19.0")

LCD Panel

Input

Display Color 16.7M colors

Dot Clock 135MHz

Contrast Ratio 500:1

White Luminance 300cd/m

Max. Resolution 1440 × 900 @60Hz

Plug & Play VESA DDC2BTM

Power Consumption

Pixel pitch 0.285mm(H) x 0.285mm(V)

Viewable angle 150˚ (H) 130˚ (V)

Response time (type) 8 ms for AU p anel

Separate Sync.

15Pin R, G, B Analog signal

Video

H-Frequency 30kHz – 80kHz
V-Frequency 55-75Hz

2

ON Mode<36W
OFF Mode<1W

H/V TTL

24Pin DVI digital signal

Power Source 100~240VAC,47~63Hz

Maximum Screen Size

Environmental

Considerations

Horizontal : 410mm

Vertical: 256mm
Operating Te mp: 5°C to 50°C
Storage Temp: -20°C to 60°C

Operating Humidity: 10% to 85%

4

AOC 193FW (+)

For white balance

Keyboard

2. LCD Monitor Description

The LCD MONITOR wil l contain a m ain board, an a dapter, an inverter boar d and a keypad board which h ouse the
flat panel control logic, brightness control logic and DDC.
The Inverter board will drive the backlight of panel and the DC-DC conversion.
The Adapter will provide the 12V DC-power to inverter/power board.

Monitor Block Diagram

CCFL Drive.

Flat Panel and
CCFL backlight

Inverter board

Main Board

RS232 Connector

DC-IN
12V

adjustment in factory
mode

Adaptor board

Video signal

AC-IN
100V-240V

HOST Computer

5

AOC 193FW (+)

3. Operating Instructions

3.1 General Instructions

Press the power butto n to turn the m onitor on or off. The other co ntrol butto ns are located at front panel of t he
monitor.
By changing these settings, the picture can be adjusted to your personal preferences.

The power cord should be connected.

-

Connect the video cable from the monitor to the video card.

-

Press the power button to turn on the monitor, the power indicator will light up.

-

3.2 Control Buttons

- Power Button:

When pressed, the monitor enters the off mode, and the LED turns blank. Press again to restore normal status.

- Contrast:

Adjust contrast or function adjusts.

- Brightness:

Adjust brightness or function adjusts.

- Auto Adjust button / Exit:

When OSD menu is in active status, this button will act as EXIT-KEY (EXIT OSD menu).

1.

2. When OSD menu is in off status, press this button over 2 seconds to activate the Auto Adjustment function.

The Auto Adjustment function is used to set the HPos, VPos, Clock and Focus.

- Power Indicator:
Green — Power On mode.

Red — Off mode.

OSD Lock Function: To lock the OSD, press and hold the MENU button while the monitor is off and then press power button to
turn the monitor on. To un-lock the OSD - press and hold the MENU button while the monitor is off and then pre ss pow er button
to turn the monitor on.

Power Key

1.

MENU/ENTER

3.

Brightness

5.

LED

2.

Contrast

4.

Auto Adjust Key/Exit

6.

6

3.3 Adjusting The Picture

Adjustment steps:

1. Press the MENU-button to activate the OSD window.

AOC 193FW (+)

2. Press

it. If the function selected has a sub-menu, press or again to navigate through the sub-menu functions. Once the desired
function is highlighted, press ME NU -button to activate it.

3. Press or to change the settings of the selected function.

4. To exit and save, select the exit function. If you want to adjust any other function, repeat steps 2-3.

or to navigate through the functions. Once the desired f unctio n is high lighted, pr ess the M ENU -button to act ivate

OSD TABLE:

Main Menu

Item

Luminance

Image Setup

Image

Position

Main Menu

Icon

Sub Menu Item Sub Menu Icon Description

Contrast

Contrast from Digital-register.

Brightness

Backlight Adjustment

Adjust Picture Phase to reduce

Focus

Horizontal-Line noise

Adjust picture Clock to reduce

Clock

Vertical-Line noise.

Adjust the horizontal position of

H. Position

the picture.

Adjust the vertical position of the

V. Position

picture.

Recall Warm Color Temperature

Warm N/A

from EEPROM.

Color T emp.

Cool N/A

Recall Cool Color Temperature

User / Red

Red Gain from Digital-register.

from EEPROM.

7

AOC 193FW (+)

frequency and input port of current

Input signal

select

OSD Setup

User / Green

User / Blue

Analog

Digital N/A Select the digital signal input

H. Position

V. Position

OSD Timeout

English N/A

Deutsch N/A

N/A Select the analog signal input

Green Gain Digital-register.

Blue Gain from Digital-register.

Adjust the horizontal position of

the OSD.

Adjust the vertical position of the

OSD.

Adjust the OSD timeout.

Set OSD display language to

English.

Set OSD display language to

German.

Language

Information

Reset

Français N/A

Español N/A

Italiano N/A

简体中文 N/A

Information N/A

Yes N/A

No N/A

Set OSD display language to

French.

Set OSD display language to

Spain.

Set OSD display language to

Italian.

Set OSD display language to

Simplified Chinese.

Show the resolution, H/V

input timing.

Clear each old status of

Auto-configuration and set the

color temperature to Cool.

Do not execute reset, return to

main menu.

Exit

N/A N/A Exit OSD

8

4. Input/Output Specification

1

5

61011

15

4.1 Input Signal Connector

Analog connector

Pin No. Description Pin No. Description

AOC 193FW (+)

1.

2.

3.

4.

5.

6.

7.

8.

DVI-D connector

Red Video

Green Video

Blue Video

Ground
Ground

Red Ground

Green Ground

Blue Ground

VGA connector layout

9.

10.

11.

12.

13.

14.

15.

Detect Cable

Ground

DDC-Serial Data

H-Sync
V-Sync

DDC-Serial Clock

+5V

Pin No.

1.

2.

Description

TMDS data 2－
TMDS data 2＋

Pin No.

13.

14.

Description

TMDS data 3＋

＋5V Power

3. TMDS data 2/4 Shield 15. GND

4.

5.

6. DDC Clock 18.

TMDS data 4－
TMDS data 4＋

16. Hot Plug Detect

17.

TMDS data 0－
TMDS data 0＋

7. DDC Data 19. TMDS data 0/5 Shield

8. Analog Vertical Sync 20.

9.

10.

TMDS data 1－
TMDS data 1＋

21.

22. TMDS Clo c k Shi eld

TMDS data 5－
TMDS data 5＋

11. TMDS data 1/3 Shield 23. TMDS Clock +

12.

TMDS data 3－

24.

TMDS Clock －

24 - Pin Color Dis pl a y Signal Cable

9

4.2 Factory Preset Display Modes：

Dos-mode

720 × 400

31.47kHz

70.0Hz

640 × 480

31.47kHz

60.0Hz

640 × 480

37.50kHz

75.0Hz

800 × 600

37.879kHz

60.0Hz

800 × 600

46.875kHz

75.0Hz

1024 × 768

48.363kHz

60.0Hz

1024 × 768

56.476kHz

70.0Hz

1024 × 768

60.021kHz

75.0Hz

1280 × 1024

64.000kHz

60.0Hz

1280 × 1024

80.000kHz

75.0Hz

WXGA

1440 × 900

55.935kHz

59.8Hz

AOC 193FW (+)

Standard

VGA

SVGA

XGA

SXGA

Resolution

4.3 Power Supply Requirements

A/C Line voltage range 100 V ~ 240 V

Horizontal
Frequency

Vertical

Frequency

A/C Line frequency range
Current 1.5A max at 100V; 0.8A max at 240 V
Peak surge current < 55A peak at 240 VAC and cold starting
Leakage current < 3.5mA

Power line surge

DC output Voltage 5VDC ± 5％; 12VDC± 5％
CURRENT 1.5Amp (5V) ；2 Amp (12V)

4.4 Panel Specification

4.4.1 Display Characteristics

50 ± 3Hz, 60 ± 3Hz

No advance effects (no loss of information or defect)
with a maximum of 1 half-wave missing per second

10

4.4.2 Optical Characteristics

AOC 193FW (+)

11

5. Block Diagram

5.1 Monitor Exploded View

AOC 193FW (+)

12

5.2 Software Flow Chart

1

2

N

Y 5 Y

N

10

Y

N

12

Y

N

7 N 6 4 3

9

14

11

13

Y

N

15

Y

N

16

17

19

Y

N

18

AOC 193FW (+)

13

AOC 193FW (+)

standby mode after the

1) MCU initializes.

2) Is the EPROM blank?

3) Program the EPROM by default values.

4) Get the PWM value of brightness from EPROM.

5) Is the power key pressed?

6) Clear all global flags.

7) Are the AUTO and SELECT keys pressed?

8) Enter factory mode.

9) Save the power key status into EPROM.
Turn on the LED and set it to green color.
Scalar initializes.

10) In standby mode?

11) Update the lifetime of back light.

12) Check the analog port, are there any signals coming?

13) Does the scalar send out an interrupt request?

14) Wake up the scalar.

15) Are there any signals coming from analog port?

16) Display "No connection Check Signal Cable" message. And go into

messages disappear.

17) Program the scalar to be able to show the coming mode.

18) Process the OSD display.

19) Read the keyboard. Is the power key pressed?

14

5.3 Electrical Block Diagram

DB15_SCL

SCL

5.3.1 Main Board

AOC 193FW (+)

LCD Interface

(CN503)

MTV512 MV 44PIN-PLCC

Crystal

X601

24Mhz

MCU

(U601)

Key Board

EPR_SDA

EPR_SCL

EEPROM

AT24C16N

(U602)

TSU56AK-LF

(Include ADC, OSD)

(U401)

RGB

CLK+

CLK-

DVI

Connector

(CN302)

H sync
V sync

RGB

Connector

(CN301)

Crystal

D-Sub

X601

14.318Mhz

CN602

DB15_SDA,

SDA,

EEPROM

M24C02

(U301)

EEPROM

M24C02

(U302)

15

5.3.2 Inverter/Power Board

PWM

Feed
AC input

PWM

Feedback
Circuit

OSC and
DC Convert

Circuit

Over Voltage
Protect

ON/OFF
DIM

Protect

EMI filter

Bridge
Rectifier
and Filter

Transformer

Rectifier
diodes

AOC 193FW (+)

Lamp

Start Circuit: R903、
R904

Control IC

Output
Circuit

Over
Voltage

MOSFET

PWM

Control IC

back
circuit

DC-to-DC IC

12V

ON/OFF Control

CN201

5V

16

6. Schematic

VAA3

VCC12V

B4

2.POW ER

onPanel_5V/3.3V

onBACKLITE

AdjBACKLITE

VCC3.3
VCC1.8
VAA1
VAA2
VAA3
VAA4
VCC5V

VCC12V

VLCD

VCPU

VLCD

VAA4VAA3

VCC12V

B3

6.MCU

onBACKLITE

onPANEL_5V/3.3V

SDA

INT

CSZ

DDC_DAT

ST_D ET1

SCL

HWRESET

DDC_CLK

Volume

VCC5V
VCC12V
VCPU

RXD
TXD

AD0
AD1
AD2
AD3

DDC_WPDVI_DET

DDCCI_SEL

VCC5V

VAA2

VAA4

VCPU

B5

5.PANEL INTERFA CE

VLCD

PB[0..9]

PA[0..9]

VCC3.3

B1

3.INPUT

RIN

GIN

BIN

VSYNC

GNDR

GNDG

GNDB

ST_D ET1 HSYNC

SOGDDC_CLK

DDC_DAT

R+

R­G-

G+

B+
B-

CLK+

CLK-

TXD
RXD

DDC_WP

DVI_DET
DDCCI_SEL

VCC5V

PA[0..9]

PB[0..9]

VCC1.8

B2

4.SCALER

RIN
GIN
SOG

BIN

GNDR
GNDG

GNDB
HSYNC
VSYNC

R+
R-

G-

G+
B+

B­CLK+
CLK-

CSZ
SCL
SDA
HWRESET
INT

Volume

AdjBACKLITE

PA[0..9]

PB[0..9]

VCC1.8
VCC3.3

VAA1
VAA2

VAA3

VAA4

AD0
AD1
AD2
AD3

VAA1

TOP B

TSU56AK FOR MYSON512 SWITCH

B

1 6Wednesday , Oc t ober 06, 2004

Title

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Date: Sheet

of

VAA1

VCPU

VLCD

VCC1.8

VCC3.3

VAA2

TSU56AK SCHEMATIC

6.1 Main Board

AOC 193FW (+)

18

AOC 193FW (+)

R214

NC

FB201
NC

TO-263

VCPU 6

+

C215

47uF/16V

DIM

R201 4.7K£[ 1/ 16W

R208
10K£[ 1/16W

FB202
600 OHM

R212 4.7K£[ 1/ 16W

VCC1.8 4

Q204

PMBS3904

CE

B

VCC12V

VCPU

C207

0.1uF

C214

0.1uF

C201

0.1uF

VLCD 5

Q202

PMBS3904

CE

B

+

C208
10uF/16V

onPanel_5V/3.3V6

VCC12V

D201 SS14

C203

0.1uF

VCC5V+

C

B E

C216

0.1uF

C212

0.1uF

VCC3.3 4

VLCD

VCC3.3

VCC12V

VCC3.3

R206
10K£[ 1/16W

R210
NC

GND

+

C218

47uF/25V

C206
1uF/25V

VCC5V

U202
AIC1084-33M

3
1

2

VIN
ADJ

VOUT

GND

R204

10K£[ 1/16W

VAA4 4

R209

0£[ 1/16W

H1

SCREW3.2RM

1

2

3

4

5

6

7

8

9

123

4

5

678

9

GND

+

C202

220uF/25V

U201

AZ1117D-1.8

3 2

1

VI VO

GND

VCC5V+

+

C204

220uF/25V

VAA3 4

Brightness

R202
10K£[ 1/16W

GND

R203
1K£[ 1/16W

VCC5V

C210

0.1uF

VCC5V

VCC5V+

C219

0.1uF/16V

POWER B

TSU56AK FOR MYSON512 SWICH

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2 6Wednesday , Oc t ober 06, 2004

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H4

SCREW3.2RM

1

2

3

4

5

6

7

8

9

123

4

5

678

9

C

B E

VAA2 4

VCC12V

2004/09/05 ADD
TOUCH PANEL
POWER

VAA1

VAA4

+

C211
47uF/16V

Q201
PMBS3904

CE

B

C217

0.1uF

VCC5V

ON_OFFGND

VCC5V

C205

0.1uF

Q203
AO3401

PITCH 2.0

CN202

CONN

1
2

R211
10K£[ 1/16W

SOT-252

VCC5V

VCPU

R205 4.7K£[ 1/ 16W

D202

GS1D

R207 4.7K£[ 1/ 16W

VAA1 4

VCC5V

CN201

CONN

2
4
6
8
10
12

1
3
5
7
9

11

VCC1.8

VCC12V

H2

SCREW3.2RM

1

2

3

4

5

6

7

8

9

123

4

5

678

9

GND

VCC12V 6

VAA2

VCC5V

VCC5V

VCC5V 3,4,6

VAA3

GND

R213
NC

R215

51K£[ 1/16W

onBACKLITE 6

AdjBACKLITE4

19

AOC 193FW (+)

C310 0.047uF

R350 10£[ 1/16W

PC5V C302

NC

SOG 4

C323

0.1uF

4/2/2004-Add W/P control by MCU

R340

0£[ 1/16W

D305

BAV70

3

1

2

GIN 4

D326

BAV70

3

1

2

C309 0.047uF

DDC_CLK6

VGA_CON

D322

TZMC5V6-GS08 NC

R334

NC

C315

0.1uF

FB302 0£[ 1/16W

4/2/2004-Add R329,R330

Q301
PMBS3904

CE

B

DDCCI_SEL 6

D309
BAV99

3

1

2

R338
10K£[ 1/16W

D319
TZMC5V6-GS08

VCC5V

R306 68£[ 1/ 16W

R327

75£[ 1/16W

C303

NC

4/2/2004-Add D324 Solution

D320
TZMC5V6-GS08

C306 0.047uF

BIN 4

R+ 4

R343 10£[ 1/16W
R345 10£[ 1/16W

R310 1K£[ 1/ 16W

D303
BAV99

3

1

2

R330NC

GNDG 4

DVIDDC_5V

R335

4.7K£[ 1/16W

operating
voltage-2.5v-5.5v

VCC5V

R316 100£[ 1/ 1 6W

R333

NC

R301 33£[ 1/ 16W

VCC5V

R346 10£[ 1/16W

G+ 4

operating
voltage-2.5v-5.5v

U302

M24C02WMN6

1
2
3
45

6

7

8

A0
A1
A2

GNDSDA

SCL

WP

VCC

PC5V

D301
BAV99

3

1

2

C324

0.1uF

R329NC

C307 0.001uF

R349 10£[ 1/16W

D323
TZMC5V6-GS08 NC

R344 10£[ 1/16W

R319 100£[ 1/ 1 6W

ST_D ET1 6

2004/09/05
ADD ESD
Solution

DVI_HPD

R320 100£[ 1/ 1 6W

C318

0.1uF

VCC5V

CN301

DB15

1
6
2
7
3
8
4
9
5

11
12
13
14
15

10

16

17

D317
TZMC5V6-GS08

C311
47pF

R323

10K£[ 1/16W

D310
BAV99

3

1

2

D321
TZMC5V6-GS08

DVI5V

R326

75£[ 1/16W

R309 100£[ 1/ 1 6W

HSYNC 4

VCC5V

R339 4.7K£[ 1/16W

R314

2.2K£[ 1/16W

R342 NC

VSYNC 4

TXD 6

DSUBDDC_5V

CLK_DDC2

C304 0.047uF

D314
LL5232B 5.6V 5%

C319

0.1uF

R- 4

GNDB 4

C305 0.047uF

U303

74VHC4053

12

11

2
1

5

4

6

13

10

9

14
15

3

7
8

16

0A

SA

0B
1B

0C

ZC

INH

1A

SB
SC

ZA
ZB

1C

VEE

GND

VCC

D316
LL5232B 5.6V 5%

C320

0.1uF

R312 100£[ 1/ 1 6W

VCC5V

D318
TZMC5V6-GS08

DDC_DAT 6

DSUBDDC_5V

D324
BAV99/NC

3

1

2

FB304 430 OHM

C325

0.1uF

R336 4.7K£[ 1/16W

CLK+ 4

RIN 4

DVI5V

D315
LL5232B 5.6V 5%

D307
BAV99

3

1

2

R313

2.2K£[ 1/16W

INPUT B

TSU56AK FOR MYSON512 SWITCH

C

3 6Wednesday , Oct ober 06, 2004

Title

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Date: Sheet

of

DVIDDC_5V

C301
NC

VCC5V

C322

0.1uF

DDC_WP 6

C314

0.1uF

DDC_CLK 6

D308
BAV99

3

1

2

B+ 4

R303 33£[ 1/ 16W

CLK_DDC

GNDR 4

B- 4

VCC5V

R321

10K£[ 1/16W

R325

75£[ 1/16W

CLK- 4

C313

0.1uF

DAT_DDC

D313
BAV99

3

1

2

R348 10£[ 1/16W

FB303 0£[ 1/16W

VCC5V

CN302

JACK NC

1

2

3

4

5

6
7

8

25

28

9

10

11

12

13

14

15

16

26
29

17

18

19

20

21

22

23
24

27

31

32

DAT2 -

DAT2 +

2/4shield

DAT4 -

DAT4 +

DDC SCL

DDC SDA

VSYNC

R

HSYNC

DAT1 -

DAT1 +

1/3shield

DAT3 -

DAT3 +

+5V

SYNC GND

HPD

G

RGB GND

DAT0 -

DAT0 +

0/5shield

DAT5 -

DAT5 +

clk shield

clk+

clk-

B

31

32

C321

0.1uF

D304

BAV70

3

1

2

D312
BAV99

3

1

2

R315 100£[ 1/ 1 6W

DDC_DAT6

G- 4

HSI

R318
10K£[ 1/16W

R347 10£[ 1/16W

RXD 6

R304 470£[ 1/ 1 6W

R317

10K£[ 1/16W

2004/08/19 ADD

U301

M24C02WMN6

1
2
3
45

6

7

8

A0
A1
A2

GNDSDA

SCL

WP

VCC

D311
BAV99

3

1

2

R305 68£[ 1/ 16W

R324
10K£[ 1/16W

R302 33£[ 1/ 16W

DAT_DDC2

R337 4.7K£[ 1/ 16W

C312
220pF

C308 0.047uF

8/9/2004-Add DVI
CABLE Detect

R341 NC

FB301 0£[ 1/16W

R331

10K£[ 1/16W

DVI_DET 6

C316

0.1uF

VSI

D302
BAV99

3

1

2

R311 1K£[ 1/ 16W

C317

0.1uF

D325

MLL5232B 5.6V

R307 68£[ 1/ 16W

8/9/2004-Add DDC/CI
Solution

R332 1K£[ 1/16W

R308
10K£[ 1/16W

D306
BAV99

3

1

2

20

VCC5V

R404

10K£[ 1/16W

BIN3

VDPLL

PB8

PA6

R402

100£[ 1/16W

VAA4

R401

VAA3

C426

0.1uF

CSZ6

HSYNC3

PA9

PB5

C417

0.1uF

B+3

4.7K

VCC1.8

VCC3.3

PB1
PB2

GNDR3

B-3

FB403

600 OHM

FB404

600 OHM

PB[0..9] 5

VAA22

NC

R407

10K£[ 1/16W

C423

0.1uF

R+3

VPO

VAD

VCC3.32

PA5

PA8

C404 0.1uF

GIN3

4.7K

AD2 6

VAA42

CLK-3

+

C405

10uF/16V

PB9

+

C424

10uF/16V

C421

0.1uF

R401
NC

3-WIRE

VDPLL

FB402

600 OHM

VAD

VPLL

PB6

FB405

600 OHM

RIN3

PA2

C416

0.1uF

VCC1.82

AD0 6

C428

0.1uF

AdjBACKLITE2

PB7

C418

0.1uF

VAA2

C410

0.1uF

HWRESET6

PA1

VAA1

VDVI

VPO

+

C414

10uF/16V

Volume6

INT6

VDVI

PB4

C406

0.1uF

C408

0.1uF

PA0

VAA32

VPLL

C401

0.1uF

SDA6

PA4

G+3

PB3

AD1 6

+

C419

10uF/16V

AD3 6

C409

0.1uF

PA7

VDD

PA[0..9] 5

CLK+3

VAA12

FB401

600 OHM

GNDG3

PA3

C402 22pF

C413

0.1uF

VDD

C403 22pF

C415

0.1uF

PB0

C411

0.1uF

Direct Bus

X401

14.318MHz

SCL6

+

C427

10uF/16V

C420

0.1uF

R405

10K£[ 1/16W

PA[0..9]

C425

0.1uF

VDVI

R403 390£[ 1/16W

U401

TSU56AK

63
60
61

58

62
59

57
37
38

40
41
43
44
46
47
49
50
52

66

67

69
70

71
32

72

73
74

107

55

35

45

3

51

11

21

84

94

104

114

126

18

87

97

117

39

56

36

2

54

42

10

20

85

95

115

127

19

86

96

105

116

33

34

108
109
110
111
112
113

118
119
120
121
122
123
124
125
128
1

29
28

30

31

53

65

64

48

106

103

102

68

77
78

6

RIN0
GIN0
SOGIN0

BIN0

RIN0M
GIN0M

BIN0M
HSYNC0
VSYNC 0

R+
R­G+
G­B+
B­CK+
CK­RE XT

REFP

REFM

CSZ
SDA

SCL
HWRESETZ

INT

PWM0
PWM1

LVACKM

AVDD

AVDD_MPLL

AVDD_DVI

BYPASS

AVDD_DVI

VDDP

VDDP

VDDP

VDDP

VDDP

VDDP

VDDP

VDDC

VDDC

VDDC

VDDC

AVSS_DVI

AVSS

AVSS_MPLL

AVSS_LPLL

AVSS_PLL

AVSS_DVI

GNDP

GNDP

GNDP

GNDP

GNDP

GNDP

GNDC

GNDC

GNDC

GNDP

GNDC

XIN

XOU T

LVA2P

LVA2M

LVA1P

LVA1M

LVA0P

LVA0M

NC/LVB3P

NC/LVB3M

NC/LVBCKP

NC/LVBCKM

NC/LVB2P

NC/LVB2M

NC/LVB1P

NC/LVB1M

NC/LVB0P

NC/LVB0M

DDC1_CLK/GPO8
DDC1_DAT/GPO7

ADO/NC

AD3/NC

AVDD_PLL

AVDD

AVSS

AVSS_DVI

LVACKP

LVA3M

LVA3P

AVSS

AD1/NC
AD2/NC

BUS TYPE/N C

R402

VCC3.3

C407

0.1uF

C412

0.1uF

SOG3

R-3

SCALER B

TSU56AK FOR MYSON512 SWITCH

B

4 6Wednesday , Oc t ober 06, 2004

Title

Size Docum ent N um ber Rev

Date: Sheet

of

PB[0..9]

FB406

600 OHM

VSYNC3

+

C422

10uF/16V

GNDB3

NC

R406

10K£[ 1/16W

G-3

AOC 193FW (+)

21

AOC 193FW (+)

RXEC-

LVBCKP

PB3

PA4

LVB1M

PB5

LVA1P

LVBCKM

LVB3P

PA5

LVBCKP

LVACKP

LVA1M

VLCD 2

PB1

LVA0M

LVA3P

C510

0.1uF

RXE2+

RXOC-

PB2

PB4

LVA3M

CN503

CONN

2
4
6
8
10
12
14
16
18
20
22
24

1
3
5
7

9
11
13
15
17
19
21
23

RXOC+

RXE1+

RXO1-

LVACKM

RXE0-

PB7

PA3

RXE1-

R502

0£[ 1/ 16W

LVB2M

VLCD

RXO0-

LVA2M

LVA3M

LVB0P

RXO0+LVACKM
RXO1+

LVB1P

RXE3+

LVA1P

LVA2P

PA[0..9]

PA6

LVB0M

RXE3-

PB0

LVB3M

PB6

LVB1P

RXE0+

RXE2-

PA9

PANEL INTERF ACE B

TSU56AK FOR MY SON512 SWI TCH

A

5 6Wednes day , Oc t ober 06, 2004

Title

Size Doc um ent N um ber Rev

Date: Sheet

of

R503

2.2K£[ 1/ 16W

+

C509

22uF/16V

LVA1M

PA2

LVA0M

PA7

PB[0..9]

LVA0P

LVA3P

LVB0M

LVA2P

PB9

LVBCKM

LVB3PLVB3M

PB[0..9]4

PA8

RXO3+

LVB2P

RXO3-

PA1

PA[0..9]4

PA0

LVB1M

RXO2-

RXEC+

PB8

LVB0P

LVA0P

LVACKP

LVB2P
LVB2M

RXO2+

LVA2M

22

X601

24MHz

R601

10K£[ 1/16W

R622 470£[ 1/16W

DDC_CLK 3

R611 220£[ 1/16W

INT4

POWER

R652 10K£[ 1/16W

R638 NC

OUT-R-

RN602

10K£[ 1/16W

1

2

3

4

8

7

6

5

R625 10K£[ 1/16W

DVI_DET 3

RN601

10K£[ 1/16W

1

2

3

4

8

7

6

5

C617

100pF

Q605

PMBS3904

CE

B

ENTER

OUT-R-

U603 MAX810STR (NC)

1

2

3

GND

RST

VCC

R604 10K£[ 1/16W

VCC12V 2

+

C603
10uF/16V

OUT-L-

LED_G

SDA 4

OUT-R+

R618
120£[ 1/16W

R607

10K£[ 1/16W

R624 470£[ 1/ 16W

AD3 4

I/O

U601

MYSON512

35
21

20
10

14

15

16

2
3
4
5
6
7
8
9

43
42
41
40
39
38
37
36

24
25
26
27
28
29
30
31

19

18

32

33

13
11

22 44

12

17

NC
XTAL 1

XTAL 2
RESET

INT0/P3.2

INT1/P3.3

T0/P3.4

P5.0
P5.1
P5.2
P5.3
P5.4
P5.5
P5.6
P5.7

P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7

P6.0
P6.1
P6.2
P6.3
P6.4
P6.5
P6.6
P6.7

P7.7

P7.6/CLKO

VSYNC

ALE/P

P3.1/TXD

P3.0/RXD

VSS VCC

NC

T1/P3.5

R605 10K£[ 1/16W

FB603

600 OHM

C602 22pF

Mute

FB602 600 OHM

R603
10K£[ 1/16W

Q604

PMBS3904

VCC12V

AUTO

C619

0.1uF/16V

C601

0.1uF

R651

10K£[ 1/16W

C608

0.001uF

C606

0.001uF

VCC5V

OUT-R+

VCPU

R645

nc

VCC5V

2004/08/19 MODIFY

Standby

C609

0.001uF

R619

4.7K£[ 1/ 16W

RIGHT

VCC5V 2,3,4

DDC_WP 3

U602

AT24C16N-10SC-2.7

1
2
3
4 5

6

7

8

A0
A1
A2
GND SDA

SCL

WP

VCC

R646
nc

AD1 4

VCPU

LED_GRN

R609 100£[ 1/16W

CN601

CONN

2
4
6
8
10
12
14

1
3
5
7

9
11
13

FB601 600 OHM

C607

0.001uF

Q601
PMBS3906

C E

B

R614 10K£[ 1/16W

HWRESET 4

RXD 3

CN602

CON16A

2
4
6
8
10
12
14
16

1
3
5
7

9
11
13
15

LEFT

R623 470£[ 1/16W

R641 4.7K£[ 1/ 16W

CSZ 4

R610 220£[ 1/16W

D601

LL4148-GS08

OUT-L+

R644

10K£[ 1/16W

R636 100£[ 1/16W

POWER

Reset
Circuit

R635 NC

R616

4.7K£[ 1/ 16W

R606

10K£[ 1/16W

VCPU

R617
120£[ 1/16W

R626 10K 1/16W

VCPU2

VCC5V

LED_ORANGE

CN603

NC

1
2
3
4

1
2
3
4

Canel R640 R642

ENTER

R647

22K£[ 1/16W

AD2 4

C612

0.1uF

R613

10K£[ 1/16W

ST_D ET13

VCPU

LED_G

C613

0.1uF

RIGHT

R620 470£[ 1/ 16W

4/2/2004-change Crystal from 20MHz to 24MHz

C611
1uF/25V

R615 10K£[ 1/16W

Volume 4

R621 470£[ 1/16W

Q602
PMBS3906

C E

B

DDCCI_SEL 3

onBACKLITE 2

VCPU

OUT-L+

R640

1K£[ 1/16W

onPANEL_5V/3.3V 2

LEFT

C618

0.1uF

R634 NC

MCU B

TSU56AK FOR MYSON512 SWITCH

B

6 6Wednesday , Oc t ober 06, 2004

Title

Size Docum ent N um ber Rev

Date: Sheet

of

C605

0.1uF

OUT-L-

AD0 4

AUTO

R639 100£[ 1/16W

R608 100£[ 1/16W

R602

10K£[ 1/16W

SCL 4

C604 22pF

R627 10K£[ 1/ 16W

DDC_DAT 3

C610

0.001uF

LED_O

VCPU

LED_O

TXD 3

AOC 193FW (+)

23

6.2 Power Board

Adapter

AOC 193FW (+)

24

Inverter

AOC 193FW (+)

25

AOC 193FW (+)

26

7. PCB Layout

7.1 Main Board

715L1423-1-512-2

AOC 193FW (+)

27

7.2 Adapter Board

715V901-1-8

AOC 193FW (+)

7.3 Inverter Board

715L1299-4

28

8. Maintainability

8.1 Equipments and Tools Requirement

1. Voltmeter.

2. Oscilloscope.

3. Pattern Generator.

4. DDC T ool with an IBM Compatible Computer.

5. Alignment Tool.

6. LCD Color Analyzer.

7. Service Manual.

8. User Manual.

AOC 193FW (+)

29

8.2 Trouble Shooting

8.2.1 Main Board

1. No Screen Appear

Measured CN201 pin5/6 = 12V?
Measured CN201 pin 9/10= 5V?
Measured U202 pin 2= 3.3V?

AOC 193FW (+)

Check Correspondent component.
Is there any shortage or cold solder?

Yes, all DC level exist

Disconnected the Signal cable (Loose the
Signal cable) , Is the screen show “Cable N ot
Connected”?

Show noting

Connected the Signal cable
again

Led Orange

Led Green

Check the Wire-Harness from CN503

Check Panel-Power Circuit Block

OK, Wire tight enough

Check U401 Data-output Block

OK, Panel Power OK

OK

Yes. There is OSD show

Connected the Signal cable again,
Check LED status.

Check Power switch is in Power-on
status, and check if Po wer switch had
been stuck?

OK, Keyboard no stuck

Measured RGB (R301, R302, R303) H,V
Input at U401 pin 37,38 ,was there have
signal ?

OK, input Normal

Measured Crystal X401 (14.318MHz)

OK, clock normal

Led Green

Replace U601

Led orange

Check Correspondent
component short/open
(Protection Diode)

NG

Replace Power board and Check
Inverter control relative circuit

Replace U401

Re-do White balance adjust

Note:1. If replace “MAIN-BOARD”, Please re-do “DDC-content” programmed & “WHITE-Balance”.

2. If replace “Power Board” only, Please re-do “ WHITE-Balance”

30

OK