MiTAC 15EX-TA Troubleshooting Manual

15EX-TA

TESTING TECHNOLOGY DEPARTMENT / TSSC

BY

：：：：

Richard Wang

JUN. 2001

SERVICE MANUAL & TROUBLESHOOTING GUIDE FOR

LCD MONITOR 15EX

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1.

1. 1515EXEX--

TA Product Specification

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1.1 Scope---------------------------------------------------------------------------------------------------------------------------------------

1.2 Main Characteristics-------------------------------------------------------------------------------------------------------------------

1.3 Hardware System Block Diagram---------------------------------------------------------------------------------------------------

1.4 Power Supply ( AC - Adapter )------------------------------------------------------------------------------------------------------

2. System Assembly & Disassembly

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2.1 System View------------------------------------------------------------------------------------------------------------------------------

2.2 System Disassembly---------------------------------------------------------------------------------------------------------------------

3. Definition & Location Of Connectors / Jumpers

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3.1 15EX-TA Interface Board-------------------------------------------------------------------------------------------------------------

3.2 Power Jack Board-----------------------------------------------------------------------------------------------------------------------

3

3.3 Invertor Board---------------------------------------------------------------------------------------------------------------------------

3.4 Phone Jack Board-----------------------------------------------------------------------------------------------------------------------

3.5 Key Switch Board-----------------------------------------------------------------------------------------------------------------------

3.6 Relation Of All Components----------------------------------------------------------------------------------------------------------

4.

Definition & Location Of Major Components

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5. Pin Description Of Major Components

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5.1 gmZAN1 Flat Panel Controller IC---------------------------------------------------------------------------------------------------

6. 15EX

6. 15EX--

TA System Block Diagram

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6.1 System Block Diagram-----------------------------------------------------------------------------------------------------------------

6.2 15EX-TA Interface Board Block Diagram-----------------------------------------------------------------------------------------

CONTENTS

3

3 4 15 16

17

17 20

27

27 28 28 28 29

30

31 32

32

39

39 40

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7.

Trouble Shooting

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7.1 No Power----------------------------------------------------------------------------------------------------------------------------------

7.2 No Display ( System Fail ) Or Display Abnormal---------------------------------------------------------------------------------

7.3 OSD Function Or Display Abnormal------------------------------------------------------------------------------------------------

7.4 No Back light-----------------------------------------------------------------------------------------------------------------------------

7.5 PC Can’t Detect LCD Monitor Type------------------------------------------------------------------------------------------------

7.6 LCD Monitor Audio Function Abnormal------------------------------------------------------------------------------------------

8. Spare Parts List

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9. System Explode View

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10. Circuit Diagram

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11. Reference

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CONTENTS

41

42 46 48 50 52 54

56

61

64

74

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1. 15EX-TA PRODUCT SPECIFICATION

1.1. SCOPE

The MiTAC 15EX-TA (TFT with analog signal input) is a high resolution (max. resolution 1024 X 768) color LCD monitor which uses 15” high contrast TFT-LCD panel.

This monitor supplies user with following features:

 On screen display adjustment function

 Multi-sync process

 DPMS power saving function

 VESA standard compatible ME design

 Swivel function of display panel

 Plug & Play (DDC1/2B) function

 Auto Brightness Adjustment.

 Audio amplifier(optional)

 Earphone output(optional)

 Microphone input(optional)

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1.2 MAIN CHARACTERISTICS

1.2.1 LCD PANEL:

LCD panel: 15” color TFT-LCD Model no.: (1) HYUNDAI HT15X11-200; (2) CHI MEI M150X1-01; (3) HANNSTAR HSD150MX42-A

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1.2.2 SIGNAL INPUT CABLE:

High density 15 pins “D” type, male connector cable.

1.2.3 VIDEO SIGNAL:

Max. 80 MHz bandwidth Input video voltage range: 0.6~0.95 Vp-p, typ.: 0.7 Vp-p Impedance: 75Ω±5% / 50 pF(max.)

1.2.4 SCAN FREQUENCY:

Horizontal frequency: 24.8 ~ 60 kHz Vertical frequency: 56 ~ 75 Hz Polarity (positive or negative): 3V ~ 5V

Input impedance: 470 (min.)/ 1000 pF(max.)

1.2.5 MULTI-SYNC PROCESS:

Separate SYNC is acceptable.

1.2.6 VESA STANDARD WALL MOUNTING.

1.2.7 SWIVEL:

Up/Down: 25º/-3º

1.2.8 PLUG & PLAY:

DDC1/DDC2B

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1.2.9 EXTERNAL CONTROLLER & OUTLET:

LCD control key: MENU, SELECT, - , + , BRIGHTNESS, POWER.

1.2.10 AC INPUT POWER:

Max. 264 Vac/50 Hz, Min. 90 Vac/60 Hz

Normal 100 ~ 240 Vac/60 ~ 50 Hz

1.2.11 POWER SAVING FUNCTION & INDICATOR COMPLY WITH VESA DPMS

1.2.12 Auto Brightness Adjustment:

Push Hot Key to select function.

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1.2.13 COMPATIBLE TIMING CHART:

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1.2.14 : MAIN OSD MENU

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 Key definition :

Menu, Select, Left (Decrease, ←), Right (Increase,→ ) and Power 5 keys.

Select Key : Only one shot of Select Key is available. (Continuous pressing is not available.)

←, → Key : Continuous pressing is available.

 Key Operation :

Pushing "Menu" key, the OSD window will pop out. The default value will focus on the first icon.

Keep pushing "Menu" key, the highlight will go to next item. The sequence is "DISP ADJUSTMENT"menu

→ "WHITE BALANCE" menu → "COLOR ADJUSTMENT" menu → "MISC" menu.

The different icon will come out different OSD items. Using "Select" key can choose different item. The

"Decrease" and "Increase" keys will change the value for that item which is selected by "Select“ key.

 Display Message :

Message :

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ADJUSTING

NO SIGNAL

(SCREEN)

Message Displayed Position :

 Secret Key Operation :

AGING : "Menu" + "Select" + "Right(->)" and "Power" ON

VERSION : "Menu" + "Left(<-)" + "Right(->)" and "Power" ON

Version Displayed Position :

MODEL NAME : T15EX

VERSION : R00

CKS : DC12

 OSD OFF time :

 OSD Value: Each OSD value is memorized on EEPROM.

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1.2.15 : AUTO BRIGHTNESS OSDAuto: Backlight (Sensor Board) Calibrate

Menu

Press “Menu Key + Hot Key + Power Key” will enter the “FACTORY USED ONLY” menu.

Press “Select Key” to select the item.

Press “Menu Key” to execute the function.

Press “Power Key” to exit.

 This menu will set the auto backlight rank to 0 and turn on the auto mode.

 800LUX light will be mapped to LIGHT LEVEL value 31 automatically and 400LUX light will be mapped to

LIGHT LEVEL value 0 automatically.

 When exit this menu “All Reset” will be done.

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LIGHT LEVEL item: The number is response the LIGHT LEVEL value anytime. (Number range: 0~31)

Press “select key” will go to next item.

MAX: 800LUX item: This will set the maximum value for program. (HEX Number)

Put the 800Lux light to sensor board, and press “menu key” to start set value procedure. (When it’s running, the number is flashing until the procedure end.) Press “menu key” will run this procedure again. Press “select key” will go to next item.

MID: 400LUX item: This will set the middle value for program. (HEX Number)

Put the 400Lux light to sensor board, and press “menu key” to start set value procedure. (When it’s running the number is flashing until the procedure end.) Press “menu key” will run this procedure again. Press “select key” will go to next item.

MIN: 0 LUX item: This will set the minimum value for program. (HEX Number)

Put the 0Lux light to sensor board, and press “menu key” to start set value procedure. (When it’s running the number is flashing until the procedure end.) Press “menu key” will run this procedure again. Press “select key” will go to next item.

LOAD DEFAULT item: This will load default value for program.

Press “menu key” to execute this procedure.

msg* item: This will show the Warning or Error.

When (MAX-MID)<2048 it will show “Warning: small range”. If it’s happen please check the sensor board output frequency range at 0Lux, 400Lux and 800Lux, and restart set MAX, MID, MIN value again.

When (MAX-MID)<1750 it will show “ERROR”. If it’s happen please analysis the sensor board.

EXIT: Press “Power Key”, then it will exit the “FACTORY USED ONLY” and “All Reset” will be done.

Note: Normal case the value relation is MAX>MID>MIN, and (MAX-MID) should over 2048.

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Relation with LUX from Rank 0 to Rank 4.

Note : 0~31 is LIGHT LEVEL.

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1.3. HARDWARE SYSTEM BLOCK DIAGRAM

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1.4 POWER SUPPLY (AC-ADAPTER)

Model name: CAPI-208-98010M

Note 1: 68%(min.) at full load, 115Vac/60Hz Note 2: No max. limits but in hot start shall no damage & Fuse could not open.

Note 1: The ripple and regulation shall be maintained in the SPEC for all combinations of below condition:

 min. & max. output current.  min. & max. AC input voltage.  min. & max. AC input frequency.

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2.

System Assembly & Disassembly

2.1 System View

2.1.1 Front View

 Menu Button  Select Button  / Buttons  Auto Adjustment Button  Power Indicator  Power Button

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2.

System Assembly & Disassembly

2.1.2 Side View

 Microphone Input Connector  Headphone Output Connector

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2.

System Assembly & Disassembly

2.1.3 Rear View

 VESA Mounting Holes  Power Connector  Signal Cable  Latch

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2.

System Assembly & Disassembly

2.2 System Disassembly

The section discusses at length each major component for disassembly/reassembly and show corresponding illustrations.

CAUTION: Before you start to install/replace these modules, 1) Turn off the power button on the rear panel of the monitor; 2) Disconnect the power cord from the electrical outlet and then from the monitor.

NOTE: During disassembly, 1) Label each cable as you disconnect it, noting its position and routing; 2) Keep all the screws.

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2.

System Assembly & Disassembly

2.2.1 LCD Panel Disassembly

1. Remove the screw cover on the rear side of the monitor. (Figure 2-1)

2. Remove three screws. (Figure 2-2)

Figure 2-1 Figure 2-2

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2.

System Assembly & Disassembly

3. To detach the LCD frame, first lift the lower edge and then separate it from the housing. (Figure 2-3)

4. Disconnect the cable connected to the LCD frame. (Figure 2-4)

Figure 2-3 Figure 2-4

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2.

System Assembly & Disassembly

5. Remove four screws, then lift up the LCD panel slightly. (Figure 2-5)

6. Disconnect three cables connected to the LCD panel. (Figure 2-6)

Figure 2-5 Figure 2-6

Reassembly

1. Reconnect the cables to the LCD panel, then fit the LCD panel into place and secure with four screws.

2. Reconnect the cable to the LCD frame, then fit the LCD frame back to the housing.

3. Secure three screws on the rear side of the monitor and replace the screw cover.

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2.

System Assembly & Disassembly

2.2.2 Power Connector Board Disassembly

1. Detach the LCD panel. (See section 2.2.1)

2. Remove one screw locking the connector board, then you can lift up the connector board. (Figure 2-7)

Figure 2-7

Reassembly

1. Fit the connector board into place and secure with one screw.

2. Reassemble the LCD panel.

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2.

System Assembly & Disassembly

2.2.3 Signal Cable Disassembly

1. Detach the LCD panel. (See section 2.2.1)

2. Remove one screw locking the cover () and lift it up (), then you can pull out the signal cable (). (Figure 2-8)

Figure 2-8

Reassembly

1. Replace the signal cable, fit the cover into place and secure with one screw.

2. Reassemble the LCD panel.

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2.2.4 Base Unit

Disassembly

1. Remove the screw cover on the rear side of the monitor.

2. Remove four screws locking the base unit, and then lift the LCD panel up (see figure 2-9).

Figure 2-9

Reassembly

1. Replace the base unit and secure with four screws.

2. Replace the screw cover.

2.

System Assembly & Disassembly

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3.1 15EX-TA Interface Board



J1 : VGA Input Cable Connector.



J2 : Panel VDD Selector.



J3 : 40 Pins To LCD Module Connector.



J4 : 20 Pins To LCD Module Connector.



JP1 : To Power Jack Board Connector.



JP2 : To Key Switch Board Connector.



JP4 : To Sensor Board Connector. ( N/A )



JP5 : To Inverter Board Connector.



JP6 : To Speaker Unit Connector.



JP7 : To Power Jack Board Phone Jack Connector.

3.

Definition & Location Of Connectors & Jumpers

J3

J4

J2

J1

JP1

JP7

JP6

JP4

JP5

JP2

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3.

Definition & Location Of Connectors & Jumpers

3.3 Invertor Board



CN1 : Inverter Board To Interface Board Connector.



CN2,CN3: Inverter BD to LCD panel Connector.

U2

U1

T1

T2

CN1

CN3

CN2

3.2 Power Jack Board



J1 : Audio In Phone Jack Connector.



J2 : To Phone Jack Board C onnector.



J3 : MIC_OUT Phone Jack Connector.



JP1 : To Interface Board Connector.



JP2 : Power Adaptor Connector.



JP3 : Power Adaptor To

Interface Board Connector.

J3

J1

JP2

J2

JP3

JP1

J3

J2

J1

3.4 Phone Jack Board



J1 : EAR_PHONE_OUT Connector.



J2 : To Power Jack Board Connector.



J3 : MIC_IN Connector.

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3.

Definition & Location Of Connectors & Jumpers

3.5 Key Switch Board



SW1 : Power Button.



SW2,SW5 : Adjust Button.



SW3,SW4 : OSD Select Button.



SW6 : Auto Button.



D1 : Power Indicator.

SW1SW6SW4SW3SW2SW5 D1

JP1

 Menu Buttons

 Select Buttons

 / Button

 Auto Button

 Power Indicator

 Power Button

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3.

Definition & Location Of Connectors & Jumpers

AC SOURCE

AC Adapter

Key SW BD

CONN

Power Jack BD

CONN

External VGA

CONN

40 Pins

LCD

CONN

20 Pins

LCD

CONN

Inverter BD

CONN

Speaker

3.6 Relation Of All Components

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4.

Definition & Location Of Major Components

15EX-TA Interface Board



U1 : gmZAN1 Flat Panel Monitor Controller IC.



U2 : 74F14 Hex Schmitt Trigger Inverters.



U3 : M52347 (N/A).



U5 : 24C21 EDID.



U6 : HIP6013 Switch R e gulator.



U7 : EZ1084CT Linear Regul ator.



U10 : 24LC16B Configuration Data.



U11 : M6759

Micom

Micom. .



U12 : TDA7057AQ Audio Amplifier.



U14 : 74HCT74 Dual D

U14 : 74HCT74 Dual D--

type Flip

type Flip--

Flop.

U8

U5

U2

U6

U14

U7

U1

U11

U10

U12

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5.

Pin Description Of Major Components

5.1 gmZAN1 Flat Panel Controller IC

Features

The gmZAN1 device utilizes Genesis

The gmZAN1 device utilizes Genesis’’

patented third

patented third--

generation Advanced Image Magnification technology

as well as a proven integrated ADC/PLL to provide excellent imag

e quality within a cost

e quality within a cost--

effective SVGA /

XGA LCD monitor solution.

As a pin

As a pin--

compatible replacement for the gmB120, the gmZAN1 incorporates a

ll of the gmB120 features

plus many enhanced features; including 10

plus many enhanced features; including 10--

bit gamma correction, Adaptive Contrast Enhancement (ACE)

filtering, Sync On Green (SOG), and an enhanced OSD.

Features

~ ~ Fully integrated 135MHz 8

Fully integrated 135MHz 8--

bit triple

bit triple--

ADC, PLL, and pre

ADC, PLL, and pre--

amplifier

~ gmZ2 scaling algorithm featuring new Adaptive

Contrast Enhancement (ACE)

~ ~ OnOn--chip programmable OSD engine

chip programmable OSD engine

~ ~ Integrated

Integrated

PLLs

~ ~ 1010--bit programmable gamma correction

bit programmable gamma correction

~ ~ Host interface with 1 or 4 data bits

Host interface with 1 or 4 data bits

~ ~ Pin

Pin--

compatible with gmB120

Integrated Analog Front End

~ Integrated 8

~ Integrated 8--

bit triple ADC

~ Up to 135MHz sampling rates

~ ~ No additional components needed

No additional components needed

~ ~ All color depths up to 24

All color depths up to 24--

bits/pixel are supported

High

High--

Quality Advanced Scaling

~ Fully programmable zoom

~ Independent horizontal / vertical zoom

~ ~ Enhanced and adaptive scaling algorithm for optimal image qualit

Enhanced and adaptive scaling algorithm for optimal image qualityy

~ ~ Recovery Mode / Native Mode

Recovery Mode / Native Mode

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Input Format

~ ~ Analog RGB up to XGA 85Hz

Analog RGB up to XGA 85Hz

~ Support for Sync On Green (SOG)

~ ~ Support for composite sync modes

Support for composite sync modes

Output Format

~ Support for 8 or 6

~ Support for 8 or 6--

bit panels (with high quality dithering)

~ One or two pixel output format

Built In High

Built In High--

Speed Clock Generator

~ ~ Fully programmable timing parameters

Fully programmable timing parameters

~ On

~ On--

chip

PLLs

generate clocks for the on

generate clocks for the on--

chip ADC and pixel clock from a single reference

oscillator

Auto

Auto--

Configuration / Auto

Configuration / Auto--

Detection

~ ~ Phase and image positioning

Phase and image positioning

~ Input format detection

Operating Modes

~ ~ Bypass mode with no filtering

Bypass mode with no filtering

~ Multiple zoom modes:

--with filtering

with filtering

--with adaptive (ACE) filtering

with adaptive (ACE) filtering

Integrated On

Integrated On--

Screen Display

~ On

~ On--

chip character RAM and ROM for better customization

~ External OSD supported for greater flexibility

~ ~ Supports both landscape and portrait fonts

Supports both landscape and portrait fonts

~ ~ Many other font capabilities including: blinking, overlay and tr

Many other font capabilities including: blinking, overlay and tr

ansparency

Package

~ ~ Cooperate with

Cooperate with ““

SiS

Video Bridge

Video Bridge ””

to Support

Applications

~ ~ Multi

Multi--

synchronous LCD monitors

~ ~ Other fixed

Other fixed--

resolution

pixelated

display devices

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Figure 1. gmZAN1 Pin Diagram

5.1

gmZAN1 Flat Panel Controller IC

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Unless otherwise stated, unused input pins must be tied to ground, and unused output pins left open.

Analog-to-Digital Converter.

Pin Name I/O Drive Current

(@10pF)

Description

77 ADC_VDD2 Digital power for ADC encoding logic. Must be

bypassed with 0.1 uF capacitor to pin 78 (ADC_GND2)

78 ADC_GND2 Digital GND for ADC encoding logic. Must be

directly connected to the digital system ground plane.

79 ADC_VDD1 Digital power for ADC clocking circuit. Must be

bypassed with 0.1 uF capacitor to pin 80 (ACD_GND1)

80 ADC_GND1 Digital GND for ADC clocking circuit. Must be

directly connected to the digital system ground plane.

81 SUB_GNDA Dedicated pin for substrate guard ring that protects

the ADC reference system. Must be directly connected to the analog system ground plane.

82 ADC_GNDA Analog ground for ADC analog blocks that are

shared by all three channels. Includes bandgap reference, master biasing and full scale adjust. Must be directly connected to analog system ground plane.

84 ADC_VDDA Analog power for ADC analog blocks that are shared

by all three channels. Includes bandgap reference, master biasing and full scale adjust. Must be bypassed with 0.1 uF capacitor to pin 82

(ADC_GNDA). 83 Reserved For internal testing purpose only. Do not connect. 85 ADC_BGNDA Analog ground for the blue channel. Must be directly

connected to the analog system ground plane. 88 ADC_BVDDA Analog power for the blue channel. Must be

bypassed with 0.1 uF capacitor to pin 85 (BGNDA). 86 BLUE- In Negative analog input for the Blue channel. 87 BLUE+ In Positive analog input for the Blue channel. 89 ADC_GGNDA Analog ground for the green channel . Must be

directly connected to the analog system ground

plane. 92 ADC_GVDDA Analog power for the green channe. Must be

bypassed with 0.1 uF capacitor to pin

89 (ADC_GGNDA). 90 GREEN- In Negative analog input for the Green channel. 91 GREEN+ In Positive analog input for the Green channel. 93 ADC_RGNDA Analog ground for the red channel. Must be directly

connected to the analog system ground plane.

Analog-to-Digital Converter

Pin Name I/O Drive Current

(@10pF)

Description

96 ADC_RVDDA Analog power for the red channel. Must be bypassed

with 0.1 uF capacitor to pin 93 (ADC_RGNDA). 94 RED- In Negative analog input for the Red channel. 95 RE D+ In Positive analo g input for the Red channel.

Host Interface (HIF) / External On-Screen Display

Pin Name I/O Drive Current

(@10pF)

Description

98 HFS In Host Frame Sync. Frames the packet on the serial

channel.

103 HCLK In Clock signal input for the 3-wire serial

communication. 99 HDATA in/out 4 mA Data signal for the 3-wire serial communication

100 RESETn In Resets the gmZAN1 chip to a known state when low. 101 IRQ out 4 mA Interrupt request output 115 OSD-HREF out 4 mA HSYNC output for an external OSD controller chip. 116 OSD-VREF out 4 mA VSYNC output for an external OSD controller chip. 117 OSD-Clk out 8 mA Clock output for an external OSD controller chip. 118 OSD-Data0 in Data input 0 from an external O SD controller. 119 OSD-Data1 in Data input 1 from an external O SD controller. 120 OSD-Data2 in Data input 2 from an external O SD controller. 121 OSD-Data3 in Data input 3 from an external O SD controller. 122 OSD-FSW in External OSD window display enable. Displays data

from external OSD con troller when high.

123 M FB11 in/out 8 mA Multi-Function B us 11. One of twelve multi-function

signals MFB[11:0].

124 M FB10 in/out 8 mA Multi-Function B us 10. One of twelve multi-function

signals MFB[11:0].

102 M FB9 in/out 8 mA Multi-Function Bus 9. One of twelve m ulti-function

signals MFB[11:0].

Also used as HDATA3 in a 4-bit host interface

configuration.

104 M FB8 in/out 8 mA Multi-Function Bus 8. One of twelve m ulti-function

signals MFB[11:0].

Also used as HDATA2 in a 4-bit host interface

configuration.

105 M FB7 in/out 8 mA Multi-Function Bus 7. One of twelve m ulti-function

signals MFB[11:0].

Also used as HDATA1 in a 4-bit host interface

configuration.

5.

Pin Description Of Major Components

5.1 gmZAN1 Flat Panel Controller IC

5.1 gmZAN1 Flat Panel Controller IC --11

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Host Interface (HIF) / External On-Screen Display

Pin Name I/O Drive Current

(@10pF)

Description

107 MFB5 in/out 8 mA Multi-Fu nction Bus 5 . One of twelve multi-function

signals MFB[11:0]. Internally pulled up. When externally pu lled down (sampled at reset) the chip uses an external crystal resonator across pins 141 and 142, instead of an oscillator.

109 MFB4 in/out 8 mA Multi-Fu nction Bus 4 . One of twelve multi-function

signals MFB[11:0].

110 MFB3 in/out 8 mA Multi-Fu nction Bus 3 . One of twelve multi-function

signals MFB[11:0].

111 MFB2 in/out 8 mA Multi-Fu nction Bus 2 . One of twelve multi-function

signals MFB[11:0].

112 MFB1 in/out 8 mA Multi-Fu nction Bus 1 . One of twelve multi-function

signals MFB[11:0].

113 MFB0 in/out 8 mA Multi-Fu nction Bus 0 . One of twelve multi-function

signals MFB[11:0].

Clock Recovery / Time Base Conversion

Pin Name I/O Drive Current

(@10pF)

Description

125 DVDD Digital power for Destination DDS (direct digital

synthesizer). Must be bypassed with a 0.1 uF capacitor to digital ground plane.

127 DAC_DGNDA Analog ground for Destination DDS DAC. Must be

directly connected to the analog system ground plane.

128 DAC_DVDDA Analog power for Destination DDS DAC. Must be

bypassed with a 0.1 uF capacitor to pin 127 (DAC_DGNDA)

129 PLL_DVDDA Analog power for the Destination DDS PLL. Must

be bypassed with a 0.1 uF capacitor to pin 131

(PLL_DGNDA) 130 Reserved For testing purposes only. Do not connect. 131 PLL_DGNDA Analog ground for the Destination DDS PLL. Must

be directly connected to the analog system ground

plane. 132 SUB_DGNDA Dedicated pin for the substrate guard ring that

protects the Destination DDS. Must be directly

connected to the analog system ground plane. 133 SUB_SGNDA Dedicated pin for the substrate guard ring that

protects the Source DDS. Must be directly connected

to the analog system ground plane.

Pin Name I/O Drive Current

(@10pF)

Description

134 PLL_SGNDA Analog ground for the Source DDS PLL. Must be

directly connected to the analog system ground. 135 Reserved For testing purposes only. Do not connect. 136 PLL_SVDDA Analog power for the Source DDS PLL. Must be

bypassed with a 0.1 uF capacitor to pin 134

(PLL_SGNDA) 137 DAC_SVDDA Analog power for the Source DDS DAC. Must be

bypassed with a 0.1 uF capacitor to pin 138

(DAC_SGNDA) 138 DAC_SGNDA Analog ground for the Source DDS DAC. Must be

directly connected to the analog system ground. 139 SVDD Digital power for the Source DDS. Must be bypassed

with a 0.1 uF capacitor to digital ground plane. 141 TCLK in Reference clock (TCLK) input from the 50 Mhz

crystal oscillator. 142 X TAL out If using an external osc illator, leave this pin floating.

If using an external crystal,

connect crystal between TCLK (141) and XTAL

(142). See MFB5 (pin 107). 143 PLL_RVDDA Analog power for the Reference DDS PLL. Must be

bypassed with a 0.1 uF capacitor to pin 144

(PLL_RGNDA) 144 PLL_RGNDA Analog ground for the Reference DDS PLL. Must be

directly connected to the analog system ground

plane. 145 Reserved For testing purposes only. Do not connect. 146 SUB_RGNDA Dedicated pin for the substrate guard ring that

protects the Reference DDS. Must be directly

connected to the analog system ground plane. 148 VSYNC in CRT Vsync input. TTL Schmitt trigger input. 149 SYN_VDD Digital power for CRT Sync input 150 HSYNC/

CSYNC

in CR T Hsync or CRT composite sync input. TTL

Schmitt trigger input.

5.

Pin Description Of Major Components

5.1 gmZAN1 Flat Panel Controller IC

5.1 gmZAN1 Flat Panel Controller IC --22

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

37

TFT Panel Interface

Pin Name I/O Drive Current

(@10pF)

Description

2pxl/clk 2pxl/clk 1pxl/clk 1pxl/clk

8-bit 6-bit 8-bit 6-bit TFT

6 PD47 out 2 mA ~ 20 mA OB1 - - 7 PD46 out 2 mA ~ 20 mA OB0 - - -

9 PD45 out 2 mA ~ 20 mA OG1 - - 10 PD44 out 2 mA ~ 20 mA OG0 - - 13 PD43 out 2 mA ~ 20 mA OR1 - - 14 PD42 out 2 mA ~ 20 mA OR0 - - 15 PD41 out 2 mA ~ 20 mA EB1 - B1 16 PD40 out 2 mA ~ 20 mA EB0 - B0 17 PD39 out 2 mA ~ 20 mA EG1 - G1 19 PD38 out 2 mA ~ 20 mA EG0 - G0 20 PD37 out 2 mA ~ 20 mA ER1 - R1 22 PD36 out 2 mA ~ 20 mA ER0 - R0 23 PD35 out 2 mA ~ 20 mA OB7 OB5 - 24 PD34 out 2 mA ~ 20 mA OB6 OB4 - 25 PD33 out 2 mA ~ 20 mA OB5 OB3 - 26 PD32 out 2 mA ~ 20 mA OB4 OB2 - 27 PD31 out 2 mA ~ 20 mA OB3 OB1 - 28 PD30 out 2 mA ~ 20 mA OB2 OB0 - 29 PD29 out 2 mA ~ 20 mA OG7 OG5 - 31 PD28 out 2 mA ~ 20 mA OG6 OG4 - 32 PD27 out 2 mA ~ 20 mA OG5 OG3 - 34 PD26 out 2 mA ~ 20 mA OG4 OG2 - 35 PD25 out 2 mA ~ 20 mA OG3 OG1 - 36 PD24 out 2 mA ~ 20 mA OG2 OG0 - 37 PD23 out 2 mA ~ 20 mA OR7 OR5 - 38 PD22 out 2 mA ~ 20 mA OR6 OR4 - 39 PD21 out 2 mA ~ 20 mA OR5 OR3 - 42 PD20 out 2 mA ~ 20 mA OR4 OR2 - 46 PD19 out 2 mA ~ 20 mA OR3 OR1 - 47 PD18 out 2 mA ~ 20 mA OR2 OR0 - 48 PD17 out 2 mA ~ 20 mA EB7 EB5 B7 B5 50 PD16 out 2 mA ~ 20 mA EB6 EB4 B6 B4 51 PD15 out 2 mA ~ 20 mA EB5 EB3 B5 B3 52 PD14 out 2 mA ~ 20 mA EB4 EB2 B4 B2 53 PD13 out 2 mA ~ 20 mA EB3 EB1 B3 B1 54 PD12 out 2 mA ~ 20 mA EB2 EB0 B2 B0 55 PD11 out 2 mA ~ 20 mA EG7 EG5 G7 G5 56 PD10 out 2 mA ~ 20 mA EG6 EG4 G6 G4

Pin Name I/O Drive Current

(@10pF)

Description

2pxl/clk 2pxl/clk 1pxl/clk 1pxl/clk

8-bit 6-bit 8-bit 6-bit TFT

57 PD9 out 2 mA ~ 20 mA EG5 EG3 G5 G3 62 PD8 out 2 mA ~ 20 mA EG4 EG2 G4 G2 63 PD7 out 2 mA ~ 20 mA EG3 EG1 G3 G1 64 PD6 out 2 mA ~ 20 mA EG2 EG0 G2 G0 66 PD5 out 2 mA ~ 20 mA ER7 EG5 R7 R5 67 PD4 out 2 mA ~ 20 mA ER6 ER4 R6 R4 68 PD3 out 2 mA ~ 20 mA ER5 ER3 R5 R3 69 PD2 out 2 mA ~ 20 mA ER4 ER2 R4 R2 70 PD1 out 2 mA ~ 20 mA ER3 ER1 R3 R1 71 PD0 out 2 mA ~ 20 mA ER2 ER0 R2 R0 43 PDispE out 2 mA ~ 20 mA This output provides a panel display enable signal that is

active when flat panel data is valid. 74 PHS out 2 mA ~ 20 mA This output provides the panel line clock signal. 73 PVS out 2 mA ~ 20 mA This output provides the frame start signal. 44 PCLKA out 2 mA ~ 20 mA This output is used to drive the flat panel shift clock. 45 PCLKB out 2 mA ~ 20 mA Same as PCLKA above.

The polarity and the phase of this signal are independently

programmable. 75 Pbias out 8 mA This output is used to turn on / off the panel bias power or

controls back-light. 76 Ppwr out 8 mA This output is used to control the power to a flat panel.

NOTE: Drive current of the panel output pins are programmable.

5.

Pin Description Of Major Components

5.1 gmZAN1 Flat Panel Controller IC

5.1 gmZAN1 Flat Panel Controller IC --33

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

38

Test Pins

Pin Name I/O Drive Current Description

3 PSCAN in Enable automatic PCB assem bly test. When this input is

pulled high, the automatic PCB assembly test mode is entered. An internal pull-down resistor drives this input

low for normal operation. 155 SCAN_IN1 in Scan in put 1 used for automatic PCB assembly testing. 157 SCAN_IN2 in Scan in put 2 used for automatic PCB assembly testing. 159 SCAN_OU

T1

out Scan output 1 used for automatic PCB assembly tes ting.

160 SCAN_OU

T2

out Scan output 2 used for automatic PCB assembly tes ting.

153 Reserved 154 Reserved

VDD / VSS for Core Circuitry, Host Interface, and Panel/Memory Interface

Pins Description

65, 40, 33, 12 PVDD4 ~ PVDD1 for panel / memory interface.

Connect to +3.3V. Must be the same voltage as the CVDD’s.

149, 108, 58, 21, 11 SRVDD2-1, CVDD4, CVDD2-1 for core circuitry.

Connect to +3.3V.

Must be the same voltage as the PVDD’s. 158, 151, 140, 126, 1 14, 72, 61, 49, 41, 30, 18, 8, 1

Digital grounds for core circuitry and pane l / memory

interface.

5.

Pin Description Of Major Components

5.1 gmZAN1 Flat Panel Controller IC

5.1 gmZAN1 Flat Panel Controller IC --44

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

39

6. 15

EX

EX--

TA System Block Diagram

6

.1 System Block diagram

PC

AC SOURCE

12V

DC Input

Power Jack

Board

Key Switch

Board

15EX

INTERFACE

BOARD

Inverter Bd.

AC source : LCD monitor power in.

15EX INTERFACE BOARD

: (Interface Board).Receive PC VGA signals transfer to LCD signals , control inverter BD backlight up/down.

Power Jack Board : AC power Transfer to

DC and provide system power and Audio_IN & MIC_OUT function.

Phone Jack Board : Provide EAR_Phone_Out

& MIC_IN function.

KEY SWITCH BOARD : Indicate system

state and Adj panel brightness.

LCD Panel : Display panel.

Invertor Board : LCD Panel Back-light.

LCD MONITOR

LCD PANEL

Analog Signals

VGA Input

Phone Jack

Board

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

40

U11

M6759

Micro-CTRL

JP2

Key-Switch

Board

Connector

U10

24LC16B

SCL SDA

KEY_MENU# KEY_SE LECT# KEY_UP# KEY_DOWN# HOT_KEY SOFT_PWR# LED_AM BER LED_GREEN

JP1

To DC

Jack-Board

Connector

U7

EZ1084CT

U6

HIP6013

12VIN

+5V +3.3V

JP5

To Inverter

Connector

12VIN

BRI_PWM

EN_BL#

6. 15

EX

EX--

TA Block Diagram

6

.2 15EX

.2 15EX--

TA Interface Board Block diagram

J1

External

VGA

Analog

RGB

U1

gmZAN1

Flat Panel

Monitor

Controller IC

ESD

Protective

Circuit

VGA_R VGA_G VGA_B

RED+ GREEN+ BLUE+

VS_VGA HS_VGA

H_IN V_IN

U3

M52347

HSYNC VSYNC

U2

74F14

J3

To Panel Connector

( 40 Pins )

J4

To Panel Connector

( 20 Pins )

E_R[2:7] E_G[2:7] E_B[2:7]

O_R[2:7] O_G[2:7] O_B[2:7]

ER[0:5] EG[0:5] EB[0:5]

OR[0:5] OG[0:5] OB[0:5]

LCD_C LK DE V_SYNC H_SYNC

U12

TDA7057AQ

Audio

Amplifier

AUDIO_PWR AUDIO_PWM

JP7

To DC JACK BD

To Speaker Unit

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

41



7.1

No Power



7.2 No Display( System Fail ) Or Display Abnormal



7.3 OSD Function Or Display Abnormal



7.4 No Back Light



7.5 PC Can

7.5 PC Can’’

t Detect LCD Monitor Type



7.6 LCD Monitor Audio Function Abnormal

7.

Troubleshooting

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

42

Symptom:

When the power switch is turned on, nothing happens,power indica

tor is not light up

.

7.1

No Power

PC

12V

DC Input

Power Jack

Board

Key Switch

Board

15EX

INTERFACE

BOARD

Inverter Bd.

LCD MONITOR

LCD PANEL

Analog Signals

VGA Input

Phone Jack

Board

AC SOURCE

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

43

7.1

No Power

12VIN VDD_12

GND

Q5 MMBT3906L

B

E C

R74

10K 0603

1 2

R73 100K

0603

12

R76 10K

0603

12

R75 1K

0603

12

Q4 MMBT3906L

B

E C

R72 100K

0603

12

D12 RLZ15A

A K

+

C82 100uF/25V

CPWX8.3

12

OVER VOTAGE PROTECTION

+3.3V

VDD_12

+5V

GND GND

GND

GNDGND

12VIN

GND

GND GND

GND

+5V

POWER_ON#

+5V

R110

47K

0603

1 2

R71 22

0603

1 2

CHOKE1

COM_CHOKE_4A

142

3C70

0.1uF

JP1

PH_6

1 2 3 4 5 6

+

C69 330uF/16V

12

C80

1uF

16V

0805

12

C76

0.01uF

12

Q3

HUF75307D

G

DS

C67

1000P

0805

1 2

B22 500z/100M

3216

1 2

R65 499

12

R62

2.94K

12

R63

40.2K

0805

12

+

C79 470uF/16V

12

C68

1uF

16V

0805

12

R69 1K

0805

12

L1 4.7UH/8A

CHOKE_ETQP_CDRH125

1 2

U6

HIP6013

1 2 3 4 5 6 7 8

9

10

11

12

13

14

RT OCSET SS COMP FB EN GND PHASE

UGATE

BOOT

NC3

NC2

NC1

VCC

C81

1uF

16V

0805

12

C74 33P

12

+

C75

470uF/16V

12

C72

0.1uF

12

R70 165

0603 1%

12

U7

EZ1084CT

3 1

2 4

VIN GND

VOUT0 VOUT1

+

C77 10uF/16V

CPWX4.3

12

+

C78 10uF/16V

CPWX4.3

12

R67 100

0603 1%

12

D9 1N4148

MLL34B

AK

R111

10K

0603

1 2

C73

0.1uF

12

Q14

2sc1623

B

E

C

R109

10K

0805 5%

1 2

R64

4.99K

0805 1%

1 2

R66 499

12

C71

1uF

0805

12

D10

SR34

D11

RLZ15A

A K

POWER CONN.

12V-->5V

5V-->3.3V

TO DC JACK BD

12V 12V GND GND

1%

1%1%

1%

5V 5V

1,2 SHORT FOR 12V ADAPTOR

2,3 SHORT OR OPEN FOR 12V/5V I/P

1,2 SHORT FOR 12V ADAPTOR

+5VP

VDD_12

GND

GNDGND

GND

AUDIO_PWR

SOFT_PWR#

SWPSW

POWER_ON#

R119 NC

0603

12

D14 RLZ5.1

A K

C158 100n

R113

NC

0603

12

R115 10K

C155

10uF/16V

R118 10K

U14A

74AHCT74

2

3

5

6

14

4

7

1

D

CLK

Q

VCC

PR

GND

CL

R116 10K

C156 100P

U13

KIA7045

E

B

C

RSTN

VCC

GND

C157 10u/16V

R112 470

0603

12

R117 510R/0805

R114 0

R120 47K

0603

12

POWER SWITCH

POWER BOARD 12V TO 5V

Power BTN

JP2

6 9

CLK D Q Q

↑

HHL

↑

LLH

U14

74AHCT74

Symptom:

When the power switch is turned on, nothing happens, power indic

ator is not light up

.

Key Switch BD

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

44

7.1

No Power

Symptom:

When the power switch is turned on, nothing happens, power indic

ator is not light up

.

Board

Board--

level

Troubleshooting

Replace

15EX-TA Interface Board

No power

Connect AC adaptor.

Replace the faulty AC Adaptor.

Power

OK?

No

Yes

No

Try another known good AC adapter.

Yes

Power

OK?

Yes

Is the

LCD monitor connected

to power (AC adaptor)?

No

Replace faulty internal

POWER BD.

Try another know good Internal POWER BD.

To be continued

Next Page.

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

45

7.1

No Power

Symptom:

When the power switch is turned on, nothing happens, power indic

ator is not light up

.

12VIN

OK?

No

Check following parts and signals:

PARTS: SIGNAL:

JP1 CHOKE1 POWER BD

12VIN

VDD_12

OK?

No

Yes

VDD_12 TO +5VP

OK?

No

Check following parts and signals:

PARTS: SIGNAL:

D14 R117 U14 R120 R112 R115 R116 R119 C157 C158

VDD_12 +5VP

Yes

End

Check following parts and signals:

PARTS: SIGNAL:

Q4 Q5 D12 B22 R72 ~ R76

12VIN VDD_12

Yes

+5V

OK?

No

Check following parts and signals:

PARTS: SIGNAL:

U6 C67 R64 D11 Q3 R71 R63 R69 C74 C76 D9 D10 R65 R66 R62 SW BD

12VIN +5VP VDD_12 +5V

15EX-TA Interface Board

Board

Board--

level Troubleshooting

+3.3V

OK?

No

Check following parts and signals:

PARTS: SIGNAL:

U7 R67 R70 C75 C77~C80

+5V +3.3V

Check following parts and signals:

PARTS: SIGNAL:

U8 Q6 R77 R78

VCC_LCD

OK?

No

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

46

7.2

No Display( System Fail ) Or Display Abnormal

Symptom:

The LCD no display,but power and back light is good.or show abno

rmal picture.

ADC_GNDA

+3.3V

GND

GND GND GND

GND

+3.3V

ADC_GNDA

GND

+3.3V

DE V_SYNC

H_SYNC

LCD_CLK

O_B2 O_B3 O_B4

O_B6 O_B7

O_B5

O_G2 O_G3

O_G6

O_G4 O_G5

O_G7

O_R2

O_R6

O_R4

O_R3 O_R5 O_R7

E_B2 E_B3 E_B4

E_B6 E_B7

E_B5

E_G2 E_G3

E_G6

E_G4 E_G5

E_G7

E_R7

E_R5 E_R6

E_R3 E_R4

E_R2

E_R2 E_R3

E_R5

E_R4

E_G2 E_G3

E_R7

E_R6

E_G7

E_G4 E_G6

E_G5

O_R7

O_G2 O_G3

O_G5

O_G4

O_B2 O_B3

O_G7

O_G6

O_B7

O_B4 O_B6

O_B5

PD27

PD19

PD15

PD7BLUE-

DVDDA

PD10

PD2

GREEN+

PD34

PD28

PD17

PD6

PD31

BLUE+

PD26

PD24

PD3

PD21

PD8

GREEN-

VCC_3.3V

PD22

PD16

VDDA

RED+

SVDDA

PD13

RED-

PD14

PD4

PD35

PD33

PD11

PD9

PD1

PD32

PD29

PD18

PD30

PD25

PD5

PD20

PD23

PD0

PD12

RVDDA

E_B5

E_B4

O_R4

E_B6

O_R2

E_B2

E_B7

O_R3 O_R5

O_R6

E_B3

U1

gmZAN1

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

46

47

48

49

50

51

52

53

54

55

56

57

58

59 60

61

62

63

64

65

66

67

68

69

70

71

72

73 74

75

76

777879

808182

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99 100 101

102

103

108

114

115 116 117 118 119 120 121 122

123

124

125

126

127 128

129

130

131

132

133

134

135

136

137

138

139

140

141 142

143

145

146

147

148

149

150

151

152

153 154 155

156

157

158

159 160

113 112 111 110 109 107 106 105 104

144

CVSS1

RESERVED

PSCAN

RESERVED RESERVED

PD47

PD46

RVSS1

PD45

PD44

SRVDD1

RVDD1

PD43

PD42

PD41

PD40

PD39

SRVSS1

PD38

PD37

SRVDD2

PD36

PD35

PD34

PD33

PD32

PD31

PD30

PD29

RVSS2

PD28

PD27

RVDD2

PD26

PD25

PD24

PD23

PD22

PD21

CVDD1

CVSS2

PD20

PDISPE

PCLKA PCLKB

PD19

PD18

PD17

RVSS3

PD16

PD15

PD14

PD13

PD12

PD11

PD10

PD9

CVDD2

RESERVED RESERVED

RVSS4

PD8

PD7

PD6

RVDD3

PD5

PD4

PD3

PD2

PD1

PD0

CVSS3

PVS PHS

PBIAS

PPWR

ADC_VDD2

ADC_GND2

ADC_VDD1

ADC_GND1

SUB_GNDA

ADC_GNDA

RESERVED

ADC_VDDA

ADC_BGNDA

BLUE-

BLUE+

ADC_BVDDA

ADC_GGNDA

GREEN-

GREEN+

ADC_GVDDA

ADC_RGNDA

RED-

RED+

ADC_RVDDA

N/C

HFS HDATA

RESETn IRQ

MFB9

HCLK

CVDD4

CVSS4

OSD_HREF OSD_VREF OSD_CLK OSD_DATA0 OSD_DATA1 OSD_DATA2 OSD_DATA3 OSD_FSW

MFB11

MFB10

DVDD

DVSS

DAC_DGNDA DAC_DVDDA

PLL_DVDDA

RESERVED

PLL_DGNDA

SUB_DGNDA

SUB_SGNDA

PLL_SGNDA

RESERVED

PLL_SVDDA

DAC_SVDDA

DAC_SGNDA

SVDD

SVSS

TCLK XTAL/RESERVED

PLL_RVDDA

RESERVED

SUB_RGNDA

RESERVED

VSYNC

SYN_VDD

HSYNC/CS

SYN_VSS

RESERVED

STI_TM1 STI_TM2 SCAN_IN1

RESERVED

SCAN_IN2

SRVSS2

SCAN_OUT1 SCAN_OUT2

MFB0 MFB1 MFB2 MFB3 MFB4 MFB5 MFB6 MFB7 MFB8

PLL_RGNDA

C13

0.1uF

C21 22uF/16V

10V

C22

0.1uF

C10

0.1uF

C23

0.1uF

C49 15P

R20 10

C25

0.1uF

C24

0.1uF

C15

0.1uF

C8 22uF/16V

10V

C9

0.1uF

C11

0.1uF

C12

0.1uF

B14 120z/100M1 2

B17 120z/100M1 2

B16 120z/100M1 2

B18 120z/100M1 2

C26

0.1uF

C14

0.1uF

C165

0.1uF

B83 220Z/100M

R11

100

C46

0.01uF R12

100

R35 0

C47

0.01uF

R10

100

B20 0

B19 0

B21 0

C28

0.1uF

C18 1000P

C27

0.1uF

C2

0.1uF

B12 220Z/100M

C20

0.1uF

B10 220Z/100M

C7

0.1uF

C5 22uF/16V

C19 22uF/16V

C3

0.1uF

C35

0.1uF

C37

0.1uF

C36

0.1uF

C39

0.1uF

C38

0.1uF

C1 22uF/16V

C6

0.1uF

B8 220Z/100M

C33

0.1uF

C34

0.1uF

C32

0.1uF

B2 220Z/100M

C31 22uF/16V

RP3 33

8 1

7 2

6 3

5 4

RP2 33

8 1

7 2

6 3

5 4

RP1 33

8 1

7 2

6 3

5 4

RP8 33

8 1

7 2

6 3

5 4

RP6 33

8 1

7 2

6 3

5 4

RP5 33

8 1

7 2

6 3

5 4

RP4 33

8 1

7 2

6 3

5 4

RP10 33

8 1

7 2

6 3

5 4

RP7 33

8 1

7 2

6 3

5 4

B5 220Z/100M

X1

OSC50MHz

815

4

VDD E/D

OUT

GND

C45

0.01uF

INPUT AC COUPLING

DIGITAL SUPPLY DECOUPLING

ANALOG SUPPLY DECOUPLING

E_B5

E_B2

O_B5

E_G3

E_G7

O_G2

O_B2

E_R7

O_R5

O_B3

E_B7

E_G4

O_R6

O_G4

O_B4

E_R6

O_R2

O_G7

E_B3

O_G5

E_R5

E_R2

O_R3

O_G6

O_B6

E_G2

E_B6

O_R4

O_G3

O_B7

E_G6

E_G5

E_B4

O_R7

E_R4

E_R3

OB5

OB4

OB0

OG5

OG1

OG0

OR3

OR1

EB4

EB2

OG3

EB3

OR2

EG2 EG4

ER3

EB0

ER5

EG1

EG0

EG3

ER4

EG5

OR4

OR0

OR5

OG4

OG2

OB1 OB2 OB3

ER0 ER2

ER1

EB1

EB5

B50 120z/100M1 2 B51 120z/100M1 2

B48 120z/100M1 2

B56 120z/100M1 2

B52 120z/100M1 2

B64 120z/100M1 2

B57 120z/100M1 2 B58 120z/100M1 2

B55 120z/100M1 2

B63 120z/100M1 2

B62 120z/100M1 2

B59 120z/100M1 2 B60 120z/100M1 2 B61 120z/100M1 2

B69 120z/100M1 2

B66 120z/100M1 2

B65 120z/100M1 2

B77 120z/100M1 2

B70 120z/100M1 2 B71 120z/100M1 2

B67 120z/100M1 2

B76 120z/100M1 2

B75 120z/100M1 2

B72 120z/100M1 2 B73 120z/100M1 2 B74 120z/100M1 2

B39 120z/100M1 2

B43 120z/100M1 2

B42 120z/100M1 2

B41 120z/100M1 2

B40 120z/100M1 2

B49 120z/100M1 2

B47 120z/100M1 2

B45 120z/100M1 2

B44 120z/100M1 2

B54 120z/100M1 2

J3

To Panel

Connector

( 40 Pins )

J4

To Panel

Connector

( 20 Pins )

GND GND

EB2

ER4

ER2

ER0

OB5

OB3

OB1

EB3

OG4

EB1

EG4

EG2EG1

OG2

EG0

OG0

ER5

ER3

ER1

OR5

OB4

EG3

OR3

OB2

OB0

EB0

OR1

OG5

OG3

OG1

OR4

EG5

OR2

OR0

GND

J3

12

34

56

78

910

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

GND

GND GND

GND

VCC_LCD

GND GND

GND

V_SYNC

DE

H_SYNC

LCD_CLK

CLK

EB4 EB5

CLK

GND

GND GND

GNDGND

GND

B38

120z/100M

1 2

C120 33P

12

C118 100P

12

C122

10P

12

R97 0

B68

500z/100M

12

+

C123 10uF/16V

CPWX4.3

12

R51 120

1/2W-AX

12

C126

0.1uF

12

C125

0.1uF

12

B46

120z/100M

1 2

C119 33P

12

J4

12

34

56

78

910

11 12

13 14

15 16

17 18

19 20

B53 120z/100M

1 2

+5V

GNDGND

SCL SDA

R84

10K

R83

10K

U10

24LC16B

1 2 3 45

6

7

8

A0 A1 A2

VSSSI

SCK

WP

VCC

C94

0.1uF

PARAMETER EEPROM

U11

M6759

21

20MHz

C97

22P

Y2

C96

22P

20

R53

HFS HCLK HDATA[0: 3]

J1

VGA

Analog

RGB

11

9

7

C42

0.01uF

D2

BAV99LT1

21

3

C17

10P

D3

BAV99LT1

21

3

C30

10P

D4

BAV99LT1

21

3

C41

10P

+5V

R1

10K

R2

75

VGA_R

VGA_G

VGA_B

C43

0.01uF

C44

0.01uF

B9

100

B11

100

B13

100

RED+

GREEN+

BLUE+

R3

75

R4

75

U1

Flat Panel Monitor

Controller IC

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

47

7.2

No Display( System Fail ) Or Display Abnormal

Symptom:

The LCD no display,but power and back light is good.or show abno

rmal picture.

Picture abnormal

Is Picture

OK?

NO

YES

END

Replace following parts one at a time and test after each replacement until find out which part caused the problem

1. PC to monitor cable

2. LCD module

3. 15EX-TA Interface Board to inverter BD cable

Is Picture

OK?

YES

NO

Replace 15EX-TA Interface Board or go

into board level Trouble-shooting.

To find out which part is causing the problem.

1. Make sure the PC VGA adapter is good.

2. Check the VGA cable is connected to PC properly.

3. Make sure the power adaptor & power BD is good.

4. Make sure all cable and PCB connect properly.

Board-level

Troubleshooting

Check the following parts for cold solder or one of the following parts on the mother-board may be defective, use an oscilloscope to check the following signal or replace the parts one at a time and test after each replacement.

Signals:

J1 U1 X1 Y2 U11 U10 J3 J4 R1~R4 D2~D4 B9 B11 B13 RP1~RP10 B39~B77 R97 R83~R84

INVERTER BD

VGA_R VGA_G VGA_B HFS HCLK HDATA[0:3] SCL SDA E_R[2:7] E_G[2:7] E_B[2:7] O_R[2:7] O_G[2:7] O_B[2:7] H_SYNC V_SYNC LCD_CLK DE

Parts:

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

48

7.3

OSD Function Or Display Abnormal

Symptom:

When you pressed the LCD OSD ( On Screen Display ) button,but no

OSD display or the function can not be adjusted.

+5V

GNDGND

SCL SDA

R84

10K

R83

10K

U10

24LC16B

1 2 3 45

6

7

8

A0 A1 A2

VSSSI

SCK

WP

VCC

C94

0.1uF

PARAMETER EEPROM

U11

M6759

21

20MHz

C97

22P

Y2

C96

22P

20

R53

HDATA[0: 3]

U1

gmZAN1

J3

To Panel

Connector

( 40 Pins )

J4

To Panel

Connector

( 20 Pins )

JP5

To Inverter

Connector

12VIN

GND

+5V

GND

+5V

BRI_PWM

EN_BL#

R100 5.6K

B79 300z/100M

Q12

MMBT3904L

C149 100uF/25V

CPWX8.3

Q11 MMBT3904L

R101

4.7K

R103

1K

R104

4.7K

R99 3K

C148

0.1uF

C146

0.1uF

C145 100uF/25V

CPWX8.3

B78 500z/100M

JP5

PH_5P

1 2 3 4 5

TO INVERTER

12V GND

GND

BRT_RANGE ON/OFF

HFS

HCLK

BRI_PWM

EN_BL#

J1

External

VGA

Analog

RGB

VGA_R

VGA_G VGA_B

B24

B25

B26

B27

B28

KEY_MENU#

KEY_SE LECT#

KEY_UP#

KEY_DOWN#

HOT_KEY

JP2

Key-Switch

Board

Connector

1

2

3

4

5

C89

33P

C90

33P

C91

33P

C92

33P

+5V

RP12

4.7K

1827364

5

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

49

7.3

OSD Function Or Display Abnormal

Symptom:

When you pressed the LCD OSD ( On Screen Display ) button,but no

OSD display or the function can not be adjusted.

OSD is abnormal

Board-level

Troubleshooting

YES

NO

Replace 15EX-TA Interface BD or

go into board level Trouble-shooting.

Replace Key SW BD and To find out which part is causing the problem.

OSD function

OK?

NO

YES

Try another known good Key SW BD .

1.Make sure that Key SW BD and 15EX-TA Interface Board

is connected properly.

2. Check the Key SW BD and Interface Board’s cable is good.

Check the following parts for cold solder or one of the following parts on the mother-board may be defective, use an oscilloscope

to check the following signal or replace the parts one at a time

and test after each replacement.

Parts: Signals:

J1,JP2 RP12 U1 U11 Y2 B24~B28 C89~C92

Key SW BD

KEY_MENU# KEY_SELECT# KEY_UP# KEY_DOWN# HOT_KEY HFS HCLK HDATA[0:3] SCL SDA BRI_PWM

To find out which part is causing the problem.

OSD function

OK?

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

50

7.4

No Back Light

Symptom:

The LCD Display is good but too dim,or the backlight can

The LCD Display is good but too dim,or the backlight can’’

t be adjusted.

12VIN

GND

+5V

GND

+5V

EN_BL#

R100 5.6K

B79 300z/100M

Q12

MMBT3904L

C149 100uF/25V

CPWX8.3

Q11 MMBT3904L

R101 4.7K

R103

1K

R104

4.7K

R99 3K

C148

0.1uF

C146

0.1uF

C145 100uF/25V

CPWX8.3

B78 500z/100M

PH_5P

1 2 3 4 5

TO INVERTER

12V GND

GND

BRT_RANGE ON/OFF

21

20MHz

C97

22P

Y2

C96

22P

20

R53

HDATA[0: 3]

U1

gmZAN1

J3

To Panel

Connector

( 40 Pins )

J4

To Panel

Connector

( 20 Pins )

HFS

HCLK

J1

External

VGA

Analog

RGB

VGA_R

VGA_G VGA_B

+5V

B24

B25

B26

B27

B28

KEY_MENU#

KEY_SE LECT#

KEY_UP#

KEY_DOWN#

HOT_KEY

JP2

Key-Switch

Board

Connector

1

2

3

4

5

C89

33P

C90

33P

C91

33P

C92

33P

RP12

4.7K

1827364

5

JP5

To Inverter

Connector

BRI_PWM

EN_BL#

U11

M6759

Inverter BD

+5V

GNDGND

SCL

SDA

R84

10K

R83

10K

U10

24LC16B

1 2 3 45

6

7

8

A0 A1 A2

VSSSI

SCK

WP

VCC

C94

0.1uF

PARAMETER EEPROM

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

51

7.4

No Backlight

Symptom:

The LCD Display is good but too dim,or the backlight can

The LCD Display is good but too dim,or the backlight can’’

t be adjusted.

LCD No Backlight

Board-level

Troubleshooting

Backlight

OK?

YES

NO

Replace 15EX-TA Interface Board or

go into board level Trouble-shooting.

To find out which part is causing the problem.

Backlight

OK?

NO

YES

END

Replace following parts one at a time and test after each replacement until find out which part caused the problem

1. LCD module

2. Inverter BD

3. 15EX-TA Interface Board to inverter BD cable

Check the following parts for cold solder or one of the following parts on the mother-board may be defective, use an oscilloscope to check the following signal or replace the parts one at a time and test after each replacement.

1. Make sure that AC power cord and adapter is connected to outlet properly.

2. Check the power switch is on.

3. Check the VGA cable is connected to PC properly.

4. Make sure the power BD is good.

5. Make sure all cable and PCB connect properly.

Signals:

JP5 B78,B79 U1,U11 C145,C146 C148,C149 Q11,Q12 R99~R101 R103,R104

INVERTER BD

12VIN +5V BRI_PWM EN_BL# SCL SDA

Parts:

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

52

7.5

PC Can

PC Can’’

t Detect LCD Monitor Type.

Symptom:

The PC PNP Operation System Can

The PC PNP Operation System Can’’

t Detect The LCD Monitor Type.

GND

VCC_FROM_PC

GND

VCC_FROM_PC

DDC_SCL

VSYNC DDC_SDA

R57 100

R56 100 R58 100

R55 47K

R54 47K

C64

0.1uF

C66

47P

U5 24C21

8 1 2 3 4

7 6 5

VCC

TEST

NC

WP

VSS

VCLK SCL SDA

C65 47P

J1

VGA

Analog

RGB

4

1

2

3

VS_VGA

DDC_SCL

DDC_SDA

R1

10K

+5V

D5

BAV99LT1

VSYNC

B6

120Z/100M

B3

120Z/100M

B4

120Z/100M

R5

100

+5VDDC+5V

VCC_FROM_PC

D1 BAV70LT1

1

2

3

B1

DDC+5V

C163

0.1U

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

53

7.5

PC Can

PC Can’’

t Detect LCD Monitor Type.

Symptom:

The PC PNP Operation System Can

The PC PNP Operation System Can’’

t Detect The LCD Monitor Type.

LCD Detected Abnormal

Board-level

Troubleshooting

Is it

OK?

YES

NO

Replace faulty cable.

Is it

OK?

NO

YES

END

Replace PC to monitor cable.

Check the following parts for cold solder or one of the following parts on the mother-board may be defective,

use an oscilloscope to check the following signal or replace the parts one at a time and test after each replacement.

1. Make sure the PC VGA adapter is good.

2. Check the VGA cable is connected to PC properly.

3. Make sure all cable and PCB connect properly.

Signals:

J1 U5 R54~R58 C64~C66 B3,B4,B6 R5,D5 B1,D1

VSYNC DDC_SCL DDC_SDA DDC+5V +5V VCC_FROM_PC

Parts:

Replace 15EX-TA Interface Board or

go into board level Trouble-shooting.

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

54

7.6

LCD Monitor Audio Function Abnormal.

Symptom:

The External Speaker or MIC Audio Function is Abnormal.

AUDIO_GND

GND

AUDIO_GND

AUDIO_IN_L

SPK_L-

EAR_PHONE_R+

SPK_L+

AUDIO_IN_R

EAR_PHONE_L+

SPK_R+

EAR_PHONE_L-

EAR_PHONE_R-

SPK_R-

JP7

8HEADER

1 2 3 4 5 6 7 8

R108 10K

C154

1U/16V/NA

CPWX4.3

C153

1U/16V/NA

CPWX4.3

I/P1

I/P2

DC1

DC2 NC

GND GND GND

SP1+

SP2+

SP1-

SP2-

U12

3 1

5 7 2

6

12

9

8

10

11

13

4

R14

0

1 2

R13

0

1 2

JP6

HEADER_4

1 2 3 4

+

C152

330uF/16V

R126

5K1

R125 5K1

AUDIO_GND

100uF/25V

CPWX8.3AUDIO_GND

AUDIO_PWM

R107

10K

MMBT3904L

C150

0.1uF

R106

10K

C151

+5V

Q13

R105 1K

AUDIO IN

TDA7057AQ

EAR_PHONE_L+

EAR_PHONE_L-

EAR_PHONE_R-

EAR_PHONE_R+

AUDIO_IN_L

AUDIO_IN_R

GND GND

TO DC JACK BD

TO SPEAKER UNIT

SPK_RSPK_R+ SPK_LSPK_L+

L

R

12VIN

VDD_12

AUDIO_PWR

L2 500Z/100M

R124

47K

MMBT3906L

U15

TPS1100D

1 2 3 4 5

6

7

8

SOURCE1 SOURCE2 SOURCE3 GATE DRAIN

DRAIN1

DRAIN2

DRAIN3

GND

R123 10K

2

Q15

B

E

C

R61

NC

R15

10K

MIC_OUT_R

EAR_PHONE_L+

EAR_PHONE_L-

EAR_PHONE_R-

EAR_PHONE_R+

MIC_OUT_L

GND

J3

PHONEJACK

5

4

3

2

1

B3

J2

CON7

1 2 3 4 5 6 7

B4

MIC_OUT

MIC_OUT_R

MIC_OUT_L

GND

EAR_PHONE_R+

EAR_PHONE_R-

EAR_PHONE_L-

EAR_PHONE_L+

8HEADER

GND

AUDIO_IN_L

AUDIO_IN_R

B1

B2

J1

PHONEJACK

5

4

3

2

1

AUDIO_IN

JP1

1 2 3 4 5 6 7 8

AUDIO_IN_R

AUDIO_IN_L GND GND

EAR_PHONE_R+

EAR_PHONE_L+

EAR_PHONE_L-

EAR_PHONE_R-

MIC_IN_R

EAR_PHONE_LGND

EAR_PHONE_RMIC_IN_L

EAR_PHONE_L+ EAR_PHONE_R+

J2

CON7

1 2 3 4 5 6 7

B2

120z/100M

B1

B4

B3

J3

PHONEJACK

5

4

3

2

1

J1

PHONEJACK

5

4

3

2

1

C1

0.1uF

MIC_IN

EAR_PHONE_OUT

MIC_IN_R

MIC_IN_L

GND

EAR_PHONE_R+

EAR_PHONE_R-

EAR_PHONE_L-

EAR_PHONE_L+

TO POWER JACK BD

U11

M6759

Micro-CTRL

Power Jack Board

Phone Jack Board

15EX Interface Board

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

55

LCD Detected Abnormal

Board-level

Troubleshooting

Is it

OK?

YES

NO

Replace faulty cable.

Is it

OK?

NO

YES

END

Replace & check Audio Input cable.Replace Power

Jack BD or Phone Jack BD one at a time to find out which part is causing the problem

Check the following parts for cold solder or one of the following parts on the mother-board may be defective,

use an oscilloscope to check the following signal or replace the parts one at a

time and test after each replacement.

1. Make sure the PC VGA adapter is good.

2. Check the Audio Input Signal is working properly.

3. Make sure all cable and PCB connect properly.

Replace 15EX-TA Interface Board or

go into board level Trouble-shooting.

7.6

LCD Monitor Audio Function Abnormal.

Symptom:

The External Speaker or MIC Audio Function is Abnormal.

Signals:

U15,U12 JP6,JP7 U11,L2 Q15,R124 Q13,R107 R106,R123

AUDIO_PWR AUDIO_PWM SPK_RSPK_R+ SPK_LSPK_L+ AUDIO_IN_L AUDIO_IN_R EAR_PHONE_R EAR_PHONE_L

Parts: Signals:

JP1,J1 J2,B1 B2,B3 B4,J3

AUDIO_IN_L AUDIO_IN_R EAR_PHONE_R EAR_PHONE_L

Parts: Signals:

J1,J2 J3,B1 B2,B3 B4,C1

EAR_PHONE_R EAR_PHONE_L MIC_IN_L MIC_IN_R

Parts:

15EX Interface Board Power Jack Board Phone Jack Board

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

56

8.

Spare Parts List ( 1 )

Part Number Description Location(s)

64421239200 5 A C AD PT A SSY ; 48W ,12 V/ 4A , 15EX 63431514000 1 A L UMINUM SHEET ; 1 5A 1, 50A X 63441512000 8 A RM FRON T; 15A X 63441512000 9 A RM REAR; 1 5A X 63441513002 2 BASE FRONT;15EX 63421513000 4 BASE METAL ;1 5EX 63441513002 3 BASE REA R; 15EX 64201513000 1 BASE/ A RM ASSY; T50EX-TA/ 1RN -Z Z1-A-GSX 63441513002 6 BEZ EL COVER; 15 EX 62211501500 1 BIN D ER;L -T YPE,4 LA YER,W 55*H5 5*L 1950 221600050077 BINDER;L-TYPE,W 55*W55*L1130MM 622115065006 BINDER;L-TYPE,W55*W55*L750MM,LM15CX 64221513005 2 CABL E A SSY; A UD IO, 1. 5M, LI ME,15 EX 64221513005 3 CABLE ASSY ; MICROP H ONE,1. 5M, P I NK,15EX 642215130051 CABLE ASSY;SIGNAL,D15/PHR12,SR,15EX 627207510341 CAP; .01U ,50V ,10%,0603,X7R,SMT C42,C43,C44,C45,C46,C

4

272072473401 CAP; .047U,16V ,10%,0603,X7R,SMT C1 627207268341 CAP; .068U,16V ,10%,0603,X7R,SMT C4,C5 272072104702 CAP; .1U , 16V,+80-20%,0603,Y 5V,SMT C2,C4 62720731047 1 CAP; . 1U , 25V , + 80-20% , 0 603, Y5V C1 62720731047 1 CAP; . 1U , 25V , + 80-20% , 0 603, Y5V C10, C11, C12, C125, C126, 62720751023 1 CA P; 10 00 P,5 0V ,5% , 0 603 , NPO,SMT C18 272005102401 CAP;1000P,CR,50V,10%,0805,X7R 627207510031 CAP; 10P ,50V , 5% ,0603,N PO,SMT C122,C17,C30,C41

Part Number Description Location(s)

27207515030 1 CAP; 15 P ,CR,5 0V , 5% , 0603, NP O , SMT C49 27200310570 1 CAP; 1U , CR,25V ,+ 80 % -20%,0 805, Y5V C153,C154,C68 ,C71, C80, 62720752203 1 CAP; 22 P ,50 V , 5% ,06 03, N PO C96,C97 62720753303 1 CAP; 33 P ,50 V , 5% ,06 03, N PO, SMT C11 9,C12 0, C57,C74, C86, 631202839477 CAP; 470U , M,16V,AL U, 105'C,D10*12.5,KY C152,C69,C75,C7963120

2

627207547031 CAP; 47P ,50V , 5% ,0603,N PO,SMT C100,C101,C102,C103,C

1

622115132001 CARTON;N-B,15EX 631130010001 CDS;150V/90mW,CELL(4K~11Kohm),9001 R8 62730050000 1 CHOKE COIL ; 5U H, 4A ,4 . 5TS,10* 8*5MM 361200001015 CLEANNER;APEA RANCE,PRC 63310085000 9 CON ; DC POWE R JA CK,MA ,D 2. 0 JP 2 629100012001 CON;HDR,MA,1 0P *2,1.25MM,ST,SMT,HRS J4 629100014001 CON;HDR,MA,2 0P *2,1.25MM,ST,SMT,HRS J3 331030003007 CON;HDR,MA,3P *1, . 1,ST,P L 5.842,GOLD,(9 J2 633100110033 CON;HDR,MA,4 P*1,2MM,ST JP1 633100110033 CON;HDR,MA,4 P*1,2MM,ST JP4 633100110034 CON;HDR,MA,5 P*1,2MM,ST JP3 633100110034 CON;HDR,MA,5 P*1,2MM,ST JP5 633100110036 CON;HDR,MA,7 P*1,2MM,ST J2 633100110037 CON;HDR,MA,8 P*1,2MM,ST JP1 633100110038 CON;HDR,MA,9 P*1,2MM,ST JP2 633100121201 CON;HDR,SHROUD,MA,12P*1,2MM,R/A J1 633100120401 CON;HDR,SHROUD,MA ,4P*1,2MM,R/A JP6 633100120601 CON;HDR,SHROUD,MA ,6P*1,2MM,R/A JP1

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

57

8.

Spare Parts List ( 2 )

Part Number Description Location(s)

633100120701 CON;HDR,SHROUD,MA ,7P*1,2MM,R/A J2 633100120801 CON;HDR,SHROUD,MA ,8P*1,2MM,R/A JP7 633100120901 CON;HDR,SHROUD,MA ,9P*1,2MM,R/A JP1 63310085001 0 CON;PHONE JA CK,D 3. 5,5 P,H5 . 0MM J1,J 3 63310085001 0 CON;PHONE JA CK,D 3. 5,5 P,H5 . 0MM J1,J 3 63401513000 6 CONTROL COV ER A SSY ; 15E X 63441513000 3 CONTROL COV ER;15EX 28810070100 2 DIODE;BAV 70LT1,70V,225MW,SOT-23 D1 288100099001 DIODE;BAV99,70V ,450MA,SOT-23 D2,D3,D4,D5,D6 628810414801 DIODE;LL4148,MELF,SMT D9 28810001500 1 DIODE;RL Z15A,ZENER,13.89V ,5%,SMT D11,D12 288100051001 DIODE;RL Z 5. 1B, ZEN ER,5 .1V , 5% ,SMT D 14 628810003401 DIODE;SR34, V RRM40V,3A,DO-214AA,SMT D10,D15 63441512002 4 DOU BL E LOCK; 15A X 62726031075 1 EC;1 00U , 25V, 2 0% , D 8*6. 5, 85 'C,SMT C145, C149, C151, C82 62726021065 1 E C;1 0U , 16 V , 2 0%, D4* 5. 3 , 8 5'C,SMT C3 62726021065 1 E C;1 0U , 16 V , 2 0%, D4* 5. 3 , 8 5'C,SMT C123,C155,C4,C52,C77,

C

62726032275 1 EC;2 20U , 25V , 20 % , D8 *10. 5, 85 'C,SMT C166,C167 272602226501 EC;22U ,16V ,M,5*5.5,-40+85',SMT C1,C19,C21,C31,C5,C8,C 62221512000 3 EN D CAP; CABL E,1 5A X 62221512000 1 EN D CAP; L, 1 5A X 62221512000 2 EN D CAP; R, 15A X 64811513000 1 F/ W A SSY ;2 421, DDC, SO8, 15EX, HA NN -STA R 64811513000 2 F/ W A SSY ;MX10FMA XD, PLCC44, 15EX, HSD

Part Number Description Location(s)

627300130010 FERRITE CHIP;120OHM/100MHZ,1608,10%,S B1,B2,B3,B4 627300130010 FERRITE CHIP;120OHM/100MHZ,1608,10%,S B1,B2,B3,B4 627300130010 FERRITE CHIP;120OHM/100MHZ,1608,10%,S B14,B16,B17,B18,B3,B3

8

27300015000 1 FERRITE CHI P ; 22 0OHM/ 100MHZ,20 12, 20 0mA L3,L 4 273000150001 FERRITE CHIP;220OHM/100MHZ,2012,200mA B10,B12,B2,B33,B34,B5,

B

273000130017 FERRITE CHIP;300OHM/100MHZ,1608,SMT B24,B25,B26,B27,B28,B

2

627300110001 FERRITE CHIP;500OHM/100MHZ,3216,SMT B1,B22,B68,B78,L2,R13,

R

627300150002 FERRITE CHIP;600OHM/100MHZ,2012,SMT L3,L4,L5,L6 55110320001 3 FL OPP Y DISKETTE;3. 5",1 . 44MB,2HD 62450001001 2 FL OW CA RD; LCD, W HITE, PRC 63350001002 1 FUSE;16V/5 A,REG50 0,RESETTABLE,DIP F1 63431513000 1 HEATSINK ;A, AMP LIFIER,15E X U12 634315130002 HEATSINK;B,ZN 1,15EX U1 63441512001 1 HI N GE COVER; 15A X 63421512001 9 HI N GE P L A TE MET A L ; 15A X 634215120009 HINGE;15AX 63421512101 8 I/ O PORT METAL ; 15EX 29100061004 4 I C SOCKET;44P, PLCC,T I N,W / O PEGS,SMT U11 62815740140 1 IC; 74 F14,HE X IN V ERTER, SO,14P U2 62826740740 1 IC;74HCT74,D-FLIP/FLOP,SO,14P U14 62834150800 2 IC;EEPROM,AT24C16 ,2048*8, SOIC,8P,1501 U10 628341508001 IC;EEPROM,AT 24C21,1024,SOIC,8P,1501A/ U 5 326301084004 IC;EZ1084CT,VOL REG,5A,TO220,SEMTEC U7 62845000010 1 IC; GMZAN1,XG A SCAL ER, PQFP,16 0P U1

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

58

8.

Spare Parts List ( 3 )

Part Number Description Location(s)

28630601300 1 IC; HI P 6 013, BUCK PWM CT L R, SOIC,14P U 6 628630704201 IC;KIA7042F,4.2V,DETECTOR,SOT-89 U13,U9 28610035801 2 I C; L M358,DUA L O P/A MP, SO 8P U1 62841000100 1 I C;MX10FMA XD QC,8 BIT MICRO CTLR, PL CC44 U11 62813007140 1 IC; N C7S14, HS IN V ERTER,SOT23, 5P U16 632200705701 IC;T DA 7057 A Q, BT L AU DI O A MP , 13P U12 62863011000 1 IC; TPS1100,P-MOSFET, PWM CTRL, SO-8P 627300990005 INDUCTOR;47uH,10%,2.5A,TPRH1207,SMT 63441513000 4 KEY FRAME; 15EX 24266190000 8 L A BEL; 3.5 ",EN,A L L COMMON 242600000372 LABEL ;8.3*5 MM 24269050007 8 L A BEL; BAR CODE, 32*16MM, MD4 24269050007 8 L A BEL; BAR CODE, 32*16MM, MD4 62420001002 0 L A BEL; BAR CODE, M1420 COMMON 62420001002 0 L A BEL; BAR CODE, M1420 COMMON 24201040000 4 LABEL;BAREBONE,MENHIR 242600000379 LABEL ;BLANK,14*14MM 624215130001 LABEL ;RATING,N-B,15EX 62421508001 5 LABEL;TCO-99, 22MM,1510E,15 UX 63421515101 6 L CD BRACKET ; L , HA N NST AR -2,15EX 634215151015 LCD BRACKET; R, HA N NST A R-2,15EX 641300020057 LCD;HSD150MX42-A,15",TFT,HANNSTAR 634615080009 LED HOLDER; L ED-9,1511 A, 50U X R8 63461512000 2 L ED HOL DER; S/W BD,L ED-5*3,50 A X D1

Part Number Description Location(s)

633400010307 LED;ROUND,D5MM,H8.6MM,P2.54,GRN/YEL D1 634415130027 LENS;LED,15EX 624315130002 MANUAL ;GN,N-B,15EX 63310091020 1 MI NI JU MP; 2P*1,2.54MM,H = 6MM,OP EN J 2 631445000401 OSC;50MHZ,50PPM,TTL,162-50000-1011 X1 64401512020 1 PACKI N G KI T ; CONT A I N ER, 15A X 64401513000 2 PACKI N G KI T ; T50 EX-T A/ 1 RN -Z Z 1 -A-GSS 622115125002 PALLET;A,WOODEN,1330*1030MM,15AX 622115125003 PALLET;B,WOODEN,900*1030MM,15AX 64301513000 2 PANEL A SSY ;T50 EX-T A /1RN-ZZ1-A-GSS 63401513000 1 PANEL FRONT ASSY; N-B,15EX 63441512300 1 PANEL FRONT;15EX 63401513000 4 PA N EL REA R A SSY; MP T, 15E X 63441512300 2 PA N EL REA R;1 5EX 62211512500 4 PARTITION ;A, 1330*1030MM,15 AX 62211512500 5 PARTITION ;B,900*1030MM,15AX 622115125001 PARTITION ;CABLE/ADAPTER,15AX 64121513000 1 PCB ASSY; INV BD, HA N NST A R, 15EX-T A 62220001002 0 PE BAG ;350 *240, A CCESSORY, L CD MT R 62220001003 5 PE BAG ;L L-T155A E, T=0 .04MM, 50RX 62220003000 2 PE FILM; SKIN , PA CKIN G, PRC 634415120025 PUSH-BUTTON; 15AX 64001513001 0 PW A;PWA-15EX-TA/ I / F ASSY,HA NN-STAR 64001513000 1 PWA;PWA -T 5 0EX-T A / IN TERFA CE BD

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

59

8.

Spare Parts List ( 4 )

Part Number Description Location(s)

64001513000 2 PWA;PWA -T 5 0EX-T A / IN TERFA CE BD,SMT 64001513000 6 PW A;PWA -T50EX-T A / PHO NE JA CK BD 64001513000 7 PW A;PWA -T50EX-T A / PHO NE JA CK BD, SMT 64001513000 4 PWA ; PWA-T5 0EX-T A /POW ER J ACK BD 64001513000 5 PWA ; PWA-T5 0EX-T A /POW ER J ACK BD, SMT 64001513000 8 PWA;PWA -T 5 0EX-T A / SEN SOR BD 64001513000 9 PWA;PWA -T 5 0EX-T A / SEN SOR BD,SMT 64001513000 3 PWA;PWA -T 5 0EX-T A / SW BD 642200210005 PW R CORD ; 2 50V / 10A ,PLUG/ CON,VDE 62710710000 1 RES;0 , 1/ 16W , 0603, SMT C1 62710710000 1 RES;0 , 1/ 16W , 0603, SMT R114,R121, R 129, R130, R

2

62710020003 1 RES;0 , 1/ 8W ,5 % , 08 05, SMT C2,C3 27101200030 1 RES;0 , 1/ 8W , 5% ,120 6, SMT B19,B20,B21 62710711003 1 RES;10 ,1/ 16 W, 5% ,0 603 ,SMT 62710711013 1 RES;10 0 , 1/ 16W, 5% , 060 3,SMT B11,B13,B9, R10, R11 ,R1

2

27107110430 2 RES;10 0K , 1/1 6W , 5% , 06 03, SMT R3,R6 62710711043 1 RES;10 0K , 1/1 6W , 5% , 06 03, SMT R72,R7 3 27107110330 2 RES;10 K , 1/16 W, 5% , 0603, SMT R1,R11,R4 62710711033 1 RES;10 K , 1/16 W, 5% , 0603, SMT R1,R106,R107,R1 09, R11

6

62710341313 1 RES;13 0 , 1/ 2W , 5% ,2 010 ,SMT R51 62710711533 1 RES;15 K , 1/16 W, 5% , 0603, SMT R87,R91 27107116501 1 RES;16 5 , 1/ 16W, 1% , 060 3,SMT R70 27100210230 1 RES;1K ,1/ 10W , 5% ,0 805, SMT R69 62710711023 1 RES;1K ,1/ 16W , 5% ,0 603, SMT R103,R105, R112, R128 , R

7

Part Number Description Location(s)

62710711053 1 RES;1M , 1/ 16W , 5% ,060 3, SMT R53 627107129411 RES;2.94K,1/16W,1% ,0603,SMT R62 27107122130 2 RES;22 ,1/ 16 W, 5% ,0 603 ,SMT R127, R36 ,R 71 27107120210 2 RES;2K ,1/ 16W , 1% ,0 603, SMT R131 27107120230 1 RES;2K ,1/ 16W , 5% ,0 603, SMT R2,R4REMARK D

E

62710713025 1 RES;3K ,1/ 16W , . 5%,0 603, SMT R5 62710713025 1 RES;3K ,1/ 16W , . 5%,0 603, SMT R99 62710714723 1 RES;4. 7 K ,1/ 16 W, 5% , 0603, SMT R101,R104,R118, R52, R7

9

62710024991 1 RES;4. 9 9K,1 /8 W , 1% , 0805, SMT R64 62710024022 1 RES;40 . 2K,1 /8 W , 1% , 0805, SMT R63 27107147130 2 RES;47 0 , 1/ 16W, 5% , 060 3,SMT R68,R80, R88 ,R93 27107147430 1 RES;47 0K , 1/1 6W , 5% , 06 03, SMT R82 62710714733 1 RES;47 K , 1/16 W, 5% , 0603, SMT R108,R110,R120, R124, R

5

27107149901 1 RES;49 9 , 1/ 16W, 1% , 060 3,SMT R65,R66 62710715123 1 RES;5. 1 K ,1/ 16 W, 5% , 0603, SMT R125,R126 27107156230 1 RES;5. 6 K ,1/ 16 W, 5% , 0603, SMT R100 27100251130 1 RES;51 0 , 1/ 10W, 5% , 080 5,SMT R117 27107151330 1 RES;51 K , 1/16 W, 5% , 0603, SMT R10,R2,R7,R9 27107175030 2 RES;75 ,1/ 16 W, 5% ,0 603 ,SMT R2, R3, R4 27161133030 1 RP; 33*4 ,8P , 1/ 16W ,5 % ,06 12, SMT RP1,RP10,R P2, RP3,RP4,

R

271611472301 RP; 4.7K*4,8P ,1/16W,5% ,0612,SMT RP11,RP12,RP13,RP14,

R

63451512000 1 RU BBER P A D; 15A X 65651151300 1 S/ W ; 3. 5" DISK, INF & A DJUST , 1 5EX 637110301039 SCREW;M3L4,K(+),NI W,NYLOK

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

60

8.

Spare Parts List ( 5 )

Part Number Description Location(s)

637110301037 SCREW;M3L6,K(+),NI W,NYLOK 637110301028 SCREW;M3L8,BIN(+),NIW 371103010808 SCREW;M3L8,FLN G /PAN(+),NIW/NLK 637110301041 SCREW;M3L8,FLT(+),NIW 637110401005 SCREW;M4,L8,FLT(+),ZNW,NYLOK 637110401011 SCREW;M4L6,K(+),NI W,NYLOK 637110401010 SCREW;M4L8,K(+),NI W,NYLOK 634215150002 SHIELDIN G MEATL A ; EPSON ,1 5EX2 63441512000 7 SIGNAL CA BLE COV ER; 15 A X 64221513007 1 SPEAKER A SSY; 2. 5W , 3. 1V ,1 5EX 633700150006 SW;TACTIL E,12V/50MA,1P,H4.3MM SW1,SW2,SW3,SW4,SW5

,

22500002000 1 TAPE;1/2", LIMPID,20YARD/REEL, PRC 62220000000 7 TA PE;A C04, FOR CG, COMMON 62221510500 1 TA PE; NITTO 7290 , SHA RP, 50V X 628822112401 TRANS;2SB1124S/T,PNP,SMD Q4 62882753070 1 TRANS; HUF75307,N-MOSFET,T O 252,SMT Q3 288203904002 TRANS;MMBT3904,40V,200mA,SOT23, MUSTAN Q1 288203904010 TRANS;MMBT3904L,NPN,Tr35NS,TO236AB Q10,Q11,Q12,Q13,Q14,

Q

28820390601 8 TRANS; MMBT3906L,PNP,Tr 35NS,TO236AB Q5,Q6,Q8,Q9 63731030200 5 T-SCREW;B,M3,L8,FLT(+),1,NIW 637310301001 T-SCREW;B,M3L8,TRS(+),0,ZNC 373203010602 T-SCREW;P,M3L6,PAN(+),0 ,NIW 63421513000 3 V ESA METAL ;1 5EX 64221513000 1 W IRE A SSY; 1 007, #26,4P, 200MM,SEN SOR, 15

Part Number Description Location(s)

64221513000 5 W IRE A SSY; 100 7, #26,5P,5 0MM,INV,1 5EX 64221513000 2 W IRE A SSY; 1 007, #26,6P/5 P,45 MM,PWR, 15E 64221513000 7 W IRE A SSY; 100 7, #26,7P,PHO N E, 200 MM,15E 64221513000 3 W IRE A SSY; 1 007, #26,8P, 40MM,PW R, 15EX 64221513000 4 W IRE A SSY; 1 007, #26,9P, 400MM,SW, 15 EX 64221513001 0 W IRE A SSY; GROU ND,BRA ID, 40 MM,15EX 64221513001 1 W IRE A SSY; GROU ND,BRA ID, 5MM, 15EX 64221513000 6 W IRE A SSY; I /F TO PANEL, HA NN -ST AR, 15 EX 63441510002 1 W IRE MOU N T; FW-2C-3M,50VX 633200010001 WIRE;PACKIN G,FLA T ,PRC 63141200040 2 XTAL;20MHZ,30PPM,20PF,HC-49/S,DIP

A

B

C

D

E

5 5

4 4

3 3

2 2

1 1

DRAWN APPROVEDCHEAKEDDESIGNED

15AX2 INTERFACE BD

DRAWING DESCRIPTION

SHEET DESCRIPTION

2

3

4

GMZAN1

POWER/MCU

OUTPUT

R00--->R01

1.Connect A_GND to ADC_GND---->error.

2.Delete C47&C49 22P and Y1 50MHz---->function Bug

1.Change C83 from 22uF/25V to 10uF/16V/ R89 from 220K ohm to 47K ohm/ R90 from 4.7K ohm to 470K ohm--->RESET

3.Add R21 33 ohm /C44 33P/X1 50Mhz

2.Add Q12 MMBT3904L/R108 from 0 ohm to 10K ohm--->Bri_ctrl circuit

7.Change U10 pin15(SOFT_PWR#) and pin16(AUTO_BRI_CTRL)---> F/W request

8.LED_GREEN connect to LED_GERRN--->error.

1.Add Q13 MMBT3904L / R121 4.7k ohm / R120 5.6K ohm ---->Pwm driver not enough.

2.Change R105 from 4.53K ohm to 1K ohm ---> modify integrator volue.

3.Mirror JP6 ,and change pin2 and pin3 function---->same as 1510A.

4.Change B3/B4/B6/B7 from 0 ohm to 120z/100Mhz---->EMI

5.Del R38/R39/R42/R43/R45 33 ohm---->EMI

7.Change C16/C28/C35 from 10P to 15P---->EMI

8.Add C17/C29/C36 15P---->EMI

9.Add C149 1000P---->EMI

6.Add B69/B70/B71/B72/B73 120z/100MHz ---->EMI

10.Change B65/B66/B67 from 220Z/100MHz to 0 ohm 1206---->EMI

11.Change R25/R40 from 510 ohm to 100 ohm--->function Bug

12.Add R122 0 ohm---->EMI

3.Add B74/B75/B76/B77/B78 300z/100MHz(273000130017)--->EMI

4.Change B21/B22/B23/B24/B68/B25/B26/B27 from 120z/100MHz to 300z/100MHz--->EMI

5.Change U9 from DIP8 to SO8 ---->EE

6.Del R109 0 ohm

9.Add R123 0 ohm---->Bypass

4.Add B79 300z/100MHz ---->EMI

5.Add C89 33P---->Stable function

6.Change R103 from 22 ohm to 4.99 ohm 1% and C91 from 22P to 10P---->EMI

7.Add C100 100uF/25V--->Material the same

13.Change U5 from DIP to SO8---->Material issue.

10.Change Q9/Q10 from MM3904L to MMBT3906L--->Decrease power lose

11.Del R96/R99 0 ohm---->No need

12.Change R97/R98 0 ohm to NA---->No need

8.Change R107 from 15K ohm to 4.7K ohm and R106 from 470 ohm to 1K ohm ---> Function Stable

14.Del R31/R32/R36/R37/R53/R54/R55 0 ohm ---->No need

ALPHA.HSU ALPHA.HSU ALPHA.HSU ALPHA.HSU

10/05/00'

PCB ;630015120101 PCBA;640015120101

15AX2 INTERFACE BD

00

!!!!""""####$$$$%%%%&&&&''''(((())))****

B

15

Title

Size Document Number Rev

Date: Sheet

of

5

4

3

2

1

D D

C C

B B

A A

INPUT AC COUPLING

ANALOG AND DIGITAL GROUNDS MUST BE INTERCONNECTED AT A SINGLE POINT

NOTE:

DIGITAL SUPPLY DECOUPLING

ANALOG SUPPLY DECOUPLING

DESIGNED APPR OVEDCHEAKEDDRAWN

PCB ;630015130002 PCBA;640015130001

01/12/01'

TO EXTERNAL SIGNAL CABLE

V+

H+

DDC+5V

ALPHA.HSU ALPHA.HSU ALPHA.HSU ALPHA.HSU

15EX-TA;INTERFACE BD

01

!!!!""""####$$$$%%%%&&&&''''(((())))****

C

25

Title

Size Document Number Rev

Date: Sheet

of

E_R2 E_R3

E_R5

E_R4

E_G2 E_G3

E_R7

E_R6

E_G7

E_G4 E_G6

E_G5

O_R7

O_G2 O_G3

O_G5

O_G4

O_B2 O_B3

O_G7

O_G6

O_B7

O_B4 O_B6

O_B5

G_IN

R_IN

DDC_SCL

VSYNC DDC_SDA

V_IN

VSYNC

H_IN

HSYNC

G_IN

V_IN

HSYNC

VSYNC

B_IN

PD27

PD19

PD15

PD7BLUE-

DVDDA

PD10

PD2

GREEN+

PD34

PD28

PD17

PD6

PD31

BLUE+

PD26

PD24

PD3

PD21

PD8

GREEN-

VCC_3.3V

PD22

PD16

VDDA

RED+

SVDDA

PD13

RED-

PD14

PD4

PD35

PD33

PD11

PD9

PD1

PD32

PD29

PD18

PD30

PD25

PD5

PD20

PD23

PD0

PD12

RVDDA

E_B5

E_B4

O_R4

E_B6

O_R2

E_B2

E_B7

O_R3 O_R5

O_R6

E_B3

H_IN

VGA_B

HS_VGA

DDC_SCL DDC_SDA

VS_VGA

VGA_G

VS_VGA

VGA_R

EN_LCD

HS_VGA

H_IN

V_IN

HDATA0

IRQ

DE V_SYNC

H_SYNC

EN_BL#

LCD_CLK

HFS

HCLK

RESET#

HDATA1 HDATA2 HDATA3

H_POLARITY V_POLARITY

V_IN

O_B2 O_B3 O_B4

O_B6 O_B7

O_B5

O_G2 O_G3

O_G6

O_G4 O_G5

O_G7

O_R2

O_R6

O_R4

O_R3 O_R5 O_R7

E_B2 E_B3 E_B4

E_B6 E_B7

E_B5

E_G2 E_G3

E_G6

E_G4 E_G5

E_G7

E_R7

E_R5 E_R6

E_R3 E_R4

E_R2

EN_LCD

V_STATE

ADC_GNDA

+5V

ADC_GNDA

+3.3V

ADC_GNDA

+5VDDC+5V

+5V

+3.3V

VCC_FROM_P C

GND

VCC_FROM_P C

GND

VCC_FROM_PC

GND

+5V

GND

GND GND GND

GND

+3.3V

ADC_GNDA

GND

ADC_GNDA

DDC+5V

GND

ADC_GNDA

GND

+3.3V

GND

+5V

U1

gmZAN1

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

46

47

48

49

50

51

52

53

54

55

56

57

58

59 60

61

62

63

64

65

66

67

68

69

70

71

72

73 74

75

76

777879

808182

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99 100 101

102

103

108

114

115 116 117 118 119 120 121 122

123

124

125

126

127 128

129

130

131

132

133

134

135

136

137

138

139

140

141 142

143

145

146

147

148

149

150

151

152

153 154 155

156

157

158

159 160

113 112 111 110 109 107 106 105 104

144

CVSS1

RESERVED

PSCAN

RESERVED RESERVED

PD47

PD46

RVSS1

PD45

PD44

SRVDD1

RVDD1

PD43

PD42

PD41

PD40

PD39

SRVSS1

PD38

PD37

SRVDD2

PD36

PD35

PD34

PD33

PD32

PD31

PD30

PD29

RVSS2

PD28

PD27

RVDD2

PD26

PD25

PD24

PD23

PD22

PD21

CVDD1

CVSS2

PD20

PDISPE

PCLKA PCLKB

PD19

PD18

PD17

RVSS3

PD16

PD15

PD14

PD13

PD12

PD11

PD10

PD9

CVDD2

RESERVED RESERVED

RVSS4

PD8

PD7

PD6

RVDD3

PD5

PD4

PD3

PD2

PD1

PD0

CVSS3

PVS PHS

PBIAS

PPWR

ADC_VDD2

ADC_GND2

ADC_VDD1

ADC_GND1

SUB_GNDA

ADC_GNDA

RESERVED

ADC_VDDA

ADC_BGNDA

BLUE-

BLUE+

ADC_BVDDA

ADC_GGNDA

GREEN-

GREEN+

ADC_GVDDA

ADC_RGNDA

RED-

RED+

ADC_RVDDA

N/C

HFS HDATA

RESETn IRQ

MFB9

HCLK

CVDD4

CVSS4

OSD_HREF OSD_VREF OSD_CLK OSD_DATA0 OSD_DATA1 OSD_DATA2 OSD_DATA3 OSD_FSW

MFB11

MFB10

DVDD

DVSS

DAC_DGNDA DAC_DVDDA

PLL_DVDDA

RESERVED

PLL_DGNDA

SUB_DGNDA

SUB_SGNDA

PLL_SGNDA

RESERVED

PLL_SVDDA

DAC_SVDDA

DAC_SGNDA

SVDD

SVSS

TCLK XTAL/RESERVED

PLL_RVDDA

RESERVED

SUB_RGNDA

RESERVED

VSYNC

SYN_VDD

HSYNC/CS

SYN_VSS

RESERVED

STI_TM1 STI_TM2 SCAN_IN1

RESERVED

SCAN_IN2

SRVSS2

SCAN_OUT1 SCAN_OUT2

MFB0 MFB1 MFB2 MFB3 MFB4 MFB5 MFB6 MFB7 MFB8

PLL_RGNDA

R31 3K

R21

NC

1 2

R30 18K

Q1 MMBT3904L

B

EC

C54 0.01uF

1 2

D7

1N4148

A K

R24 100

R18 NA

1 2

R17 NA

1 2

R16

4.7K

1 2

R48 3K_NA

R23 NA

1 2

C13

0.1uF

+

C50

4.7uF/16V

1 2

C21 22uF/16V

10V

+

C4

10uF/16V

C163

0.1U

+

C51

4.7uF/16V

12

C22

0.1uF

C10

0.1uF

C23

0.1uF

R22 56K

1 2

C49 15P

R20 10

R2

75

B3 120z/100M

1 2

B7 120z/100M

1 2

C25

0.1uF

C24

0.1uF

B6 120z/100M

1 2

C15

0.1uF

B4 120z/100M

1 2

U3

M52347

12 1110

9

8

7

6

5

4

3

2

1

13

14

15

17

18

19

20

16

V S/S OUT

V S/S INV TIME GATESW

V DET

V IN

COM/H.DET

COM/H.IN

GND

G.IN

CLAMP.SW

V.STATE

H.STATE

VD

HD+

HD-

CLAMP O/P

H POL

V POL

CLAMP TIME

VCC

C8 22uF/16V

10V

U2E

74F14

SO14

11 10

147

U2D

74F14

SO14

9 8

147

U2C

74F14

SO14

5 6

147

C9

0.1uF

R32 NA

1 2

C11

0.1uF

C12

0.1uF

B14 120z/100M

1 2

B17 120z/100M

1 2

B16 120z/100M

1 2

D5

BAV99LT1

R47 18K_NA

B18 120z/100M

1 2

R38 100

C26

0.1uF

C14

0.1uF

C43 0.01uF

C165

0.1uF

B83 220Z/100M

R11

100

C46

0.01uF

C44 0.01uF

R12

100

R35 0

C47

0.01uF

R25 NA

R42 NC

R34 0/NA

R41 NC

R26 NA

R43 33/NA

R40 33/NA

+

C48

1uF/16V

12

R33 43K

1 2

R36 22

C61 100P

1 2

+

C58

4.7uF/16V

1 2

R39

4.3K

1 2

C62 220P

1 2

R10

100

D6

BAV99LT1

+

C59

4.7uF/16V

12

B20 0

B19 0

B21 0

+

C60 47uF/16V

12

C28

0.1uF

C18 1000P

C27

0.1uF

C63 0.01uF_NA

1 2

R57 100

R56 100

C57 33P

R58 100

C160

15P_NA

C159

15P_NA

R46 10K

C162

15P_NA

R45 10K/NA

C161 15P_NA

R44 10K

R50 NC

0603

12

R49 NC

0603

12

C2

0.1uF

B12 220Z/100M

C16

NC

C17 10P

R55 47K

C20

0.1uF

B11

100

B10 220Z/100M

B13

100

C29 NC

C30 10P

R54 47K

B9

100

C40 NC

C7

0.1uF

C41 10P

C5 22uF/16V

C19 22uF/16V

C3

0.1uF

+

C55

0.47uF/16V

12

+

C56

10uF/16V

12

C35

0.1uF

J1

PH_12P

1 2 3 4 5 6 7 8

9 10 11 12

C64

0.1uF

C66

47P

U5 24C21

8 1 2 3 4

7 6 5

VCC

TEST

NC WP VSS

VCLK SCL SDA

C65 47P

R4

75

R3

75

C37

0.1uF

U2B

74F14

SO14

3 4

147

C36

0.1uF

RP9

4.7K*4

8 1

7 2

6 3

5 4

C39

0.1uF

C38

0.1uF

R5 100

R8

NC

R6 100

R29 0

12

C1 22uF/16V

C6

0.1uF

R27 0

12

R28 NC

12

D8 1N4148_NA

A K

Q2 MMBT3904L_NA

B

EC

D1 BAV70LT1

1

2

3

R7

NC

B8 220Z/100M

C33

0.1uF

C34

0.1uF

C32

0.1uF

B2 220Z/100M

C31 22uF/16V

D2

BAV99LT1

RP3 33

8 1

7 2

6 3

5 4

RP2 33

8 1

7 2

6 3

5 4

RP1 33

8 1

7 2

6 3

5 4

R37

NC

1 2

D4

BAV99LT1

D3

BAV99LT1

RP8 33

8 1

7 2

6 3

5 4

RP6 33

8 1

7 2

6 3

5 4

RP5 33

8 1

7 2

6 3

5 4

RP4 33

8 1

7 2

6 3

5 4

RP10 33

8 1

7 2

6 3

5 4

RP7 33

8 1

7 2

6 3

5 4

R1 10K

R19 100

B1 500z/100M

1 2

B5 220Z/100M

C42 0.01uF

X1

OSC50MHz

815

4

VDD E/D

OUT GND

C45

0.01uF

5

4

3

2

1

D D

C C

B B

A A

PARAMETER EEPROM

POWER CONN.

OVER VOTAGE PROTECTION

12V-->5V

5V-->3.3V

RESET

LCD POWER

DESIGNED CHEAKEDDRAWN

ALPHA.HSU

APPROVED

15EX-TA;INTERFACE BD

01/12/01'

ALPHA.HSU ALPHA.HSU ALPHA.HSU

TO DEBUG PORT

TO SENSOR BD

TO KEY SW BD

TO DC JACK BD

PANEL VDD SELECTOR

12V 12V GND GND

ACTIVE H

HANNSTAR/HSD150MX42-- 3.3V--->1,2 SHORT

KEY_MENU# KEY_SELECT# KEY_UP# KEY_DOWN# HOT_KEY# SOFT_PWR# GND LED_AMBER LED_GREEN

5V AUTO_BRI_DETECT AUTO_BRI_CTRL GND

1%

1%1%

1%

POWER SWITCH

POWER BOARD 12V TO 5V

5V 5V

1,2 SHORT FOR 12V ADAPTOR

2,3 SHORT OR OPEN FOR 12V/5V I/P

1,2 SHORT FOR 12V ADAPTOR

PCB ;630015130002 PCBA;640015130001

01

!!!!""""####$$$$%%%%&&&&''''(((())))****

C

35

Title

Size Document Number Rev

Date: Sheet

of

SCL SDA

RESET

LED_GREEN# KEY_MENU#

EN_BL#

KEY_SELECT# KEY_UP# KEY_DOWN#

EN_LCD

RESET

KEY_SELECT#

KEY_MENU#

SOFT_PWR#

KEY_DOWN#

SDA SCL

HOT_KEY

AUTO_BRI_CTRL

KEY_UP#

LED_GREEN

LED_AMBER

LED_AMBER#

+5V

LED_AMBER

AUDIO_PWM

EN_LCD

AUTO_BRI_DETECT

POWER_ON#

SOFT_PWR#

SWPSW

POWER_ON#

AUTO_BRI_CTRL

+5V

AUTO_BRI_DETECT

HDATA0

RESET#

IRQ

HFS

HDATA1 HDATA2 HDATA3

HCLK

BRI_PWM

H_POLARITY V_POLARITY

V_STATE

AUDIO_PWM

EN_BL#

EN_LCD

AUDIO_PWR

+3.3V

VCC_LCD

12VIN VDD_12

VDD_12

+3.3V

+5V

GNDGND

+5V

GND

+5V

GND GND

GND

+5V

GND

+5V

GND

+5V

GND

+5V

GND

+5V

GND

GNDGND

+5VP

GND

12VIN

VDD_12

GND

GND GND

GND

GNDGND

+5V

GND

R110

47K

0603

1 2

R71 22

0603

1 2

CHOKE1

COM_CHOKE_4A

142

3

C70

0.1uF

R127 22

R92 10K

RP11

4.7K*4

8 1

7 2

6 3

5 4

Q9 MMBT3906L

B

E C

R119 NC

0603

12

Q8 MMBT3906L

B

E C

RP13

4.7K*4

8 1

7 2

6 3

5 4

RP12

4.7K*4

8 1

7 2

6 3

5 4

R88 470

D14 RLZ5.1

A K

R87

15K

Q5 MMBT3906L

B

E C

C158 100n

B35 300z/100M

1 2

R9

4.7K

12

D13

1N4148/NA

A K

C95

10uf/16V

R81 47K

JP1

PH_6

1 2 3 4 5 6

+

C69 330uF/16V

12

R113

NC

0603

12

R93 470

R91

15K

R115 10K

C155

10uF/16V

R118 10K

C80

1uF

16V

0805

12

U14A

74AHCT74

2

3

5

6

14

4

7

1

D

CLK

Q

VCC

PR

GND

CL

R116 10K

C76

0.01uF

12

B36 300z/100M

1 2

C156 100P

R74

10K 0603

1 2

Q3

HUF75307D

G

DS

C67

1000P

0805

1 2

B22 500z/100M

3216

1 2

Q10

MMBT3904L

R65 499

12

R62

2.94K

12

R63

40.2K

0805

12

Q7

MMBT3904L

GND

OUT VCC

U9

KIA7042

3 1 2

U13

KIA7045

E

B

C

RSTN

VCC

GND

R80 470

J2

3PX1/.1/MA/GOLD

1 2 3

JP4

HEADER_4

1

2

3

4

+

C79 470uF/16V

12

C157 10u/16V

C68

1uF

16V

0805

12

R69 1K

0805

12

R82

470K

R77

10K

1 2

R79

4.7K

B37 300z/100M

1 2

L1 4.7UH/8A

CHOKE_ETQP_CDRH125

1 2

U6

HIP6013

1 2 3 4 5 6 7 8

9

10

11

12

13

14

RT OCSET SS COMP FB EN GND PHASE

UGATE

BOOT

NC3

NC2

NC1

VCC

C81

1uF

16V

0805

12

C74 33P

12

+

C75 470uF/16V

12

R53 1M

12

R89 0/NA R90 0/NA

U10

24LC16B

1 2 3 45

6

7

8

A0 A1 A2

VSSSI

SCK

WP

VCC

R84

10K

R73 100K

0603

12

R83

10K

C94

0.1uF

C98

0.1uF

R78 47K

R76 10K

0603

12

R75 1K

0603

12

C72

0.1uF

12

C93

0.1uF

U11

M6759

2 3 4 5 6 7 8 9

10 11

13 14 15 16 17 18 19 20 21 22

24 25 26 27 28 29 30 31 32 33

35

36 37 38 39 40 41 42 43 44

1 12 23 34

P1.0/T2 P1.1/T2EX P1.2/ECI P1.3/CEX0 P1.4/CEX1 P1.5/CEX2 P1.6/CEX3/WAIT# P1.7/CEX4/A17/W RST

P3.0/RXD P3.1/TXD P3.2/INT0# P3.3/INT1# P3.4/T0 P3.5/T1 P3.6/WR# P3.7/RD#/A16 XTAL2 XTAL1 VSS

A8/P2.0

A9/P2.1 A10/P2.2 A11/P2.3 A12/P2.4 A13/P2.5 A14/P2.6 A15/P2.7

PSEN#

ALE/PROG#

EA#/VPP

AD7/P0.7 AD6/P0.6 AD5/P0.5 AD4/P0.4 AD3/P0.3 AD2/P0.2 AD1/P0.1 AD0/P0.0

VCC

NIC NIC NIC NIC

R70 165

0603 1%

12

C99

22uF/16V

U7

EZ1084CT

3 1

2 4

VIN GND

VOUT0 VOUT1

+

C77 10uF/16V

CPWX4.3

12

+

C78

10uF/16V

CPWX4.3

12

Q4 MMBT3906L

B

E C

R67 100

0603 1%

12

D9 1N4148

MLL34B

AK

R72 100K

0603

12

C86

33P

12

C87

33P

12

R111

10K

0603

1 2

R112 470

0603

12

R117 510R/0805

C73

0.1uF

12

R59 0

1 2

R52 4K7

0603

12

RP14

4.7K*4

8 1

7 2

6 3

5 4

+

C83

10uF/16V

CPWX4.3

12

RP15

4.7K*4

8 1

7 2

6 3

5 4

Q14

2sc1623

B

E

C

R109

10K

0805 5%

1 2

R64

4.99K

0805 1%

1 2

D12 RLZ15A

A K

R85

100K/NA

Q6

MMBT3906L

B

E C

R66 499

12

R121

0

C71

1uF

0805

12

JP3

PH_5

1 2 3 4 5

D10

SR34

JP2

PH_9

1 2 3 4 5 6 7 8 9

R114 0

B25 300z/100M

1 2

B26 300z/100M

1 2

B27 300z/100M

1 2

B33

220z/100M

1 2

B29 300z/100M

1 2

+

C82 100uF/25V

CPWX8.3

12

B30 300z/100M

1 2

B31 300z/100M

1 2

B28 300z/100M

1 2

B32 300z/100M

1 2

B24 300z/100M

1 2

C97 22P

D11

RLZ15A

A K

U8

TPS1100D

1 2 3 4 5

6

7

8

SOURCE1 SOURCE2 SOURCE3 GATE DRAIN

DRAIN1

DRAIN2

DRAIN3

Y2

20MHz/22P

C96 22P

C84

0.1U/20V/NA

R60 NC

0603

12

C85

0.1U/20V/NA

C89

33P

12

C88

33P

12

R120 47K

0603

12

C92

33P

12

C91

33P

12

C90

33P

12

B34

500Z

1 2

5

4

3

2

1

D D

C C

B B

A A

APPROVEDCHEAKEDDRAWN DESIGNED

ALPHA.HSU ALPHA.HSU ALPHA.HSU ALPHA.HSU

01/12/01'

TO PANEL

TO INVERTER

12V GND

GND

BRT_RANGE ON/OFF

HANNSTAR

SHARP,HYUNDAI

PCB ;630015130002 PCBA;640015130001

15EX-TA;INTERFACE BD

01

!!!!""""####$$$$%%%%&&&&''''(((())))****

B

45

Title

Size Document Number Rev

Date: Sheet

of

EB2

ER4

ER2

ER0

CLK

EB4

OB5

OB3

OB1

EB5

EB3

OG4

EB1

EG4

EG2EG1

OG2

EG0

OG0

ER5

ER3

ER1

OR5

OB4

EG3

OR3

OB2

OB0

EB0

OR1

OG5

OG3

OG1

OR4

EG5

OR2

OR0

H_SYNC

CLK

OB5

OB4

OB0

OG5

OG1

OG0

OR3

OR1

EB4

EB2

OG3

EB3

OR2

EG2 EG4

ER3

EB0

ER5

EG1

EG0

EG3

ER4

EG5

OR4

EB1

OR0

OR5

OG4

OG2

OB1 OB2 OB3

ER0 ER2

GND

ER1

EB5

LCD_CLK

H_SYNC

V_SYNC

DE

EN_BL#

E_B5

E_B2

O_B5

E_G3

E_G7

O_G2

O_B2

E_R7

O_R5

O_B3

E_B7

E_G4

O_R6

O_G4

O_B4

E_R6

O_R2

O_G7

E_B3

O_G5

E_R5

E_R2

O_R3

O_G6

O_B6

E_G2

E_B6

O_R4

O_G3

O_B7

E_G6

E_G5

E_B4

O_R7

BRI_PWM

E_R4

E_R3

VCC_LCD

GND

GND GND

GND

VCC_LCD

GND

12VIN

GND

+5V

GND

+5V

R102

1K_NA

B53 120z/100M

1 2

R100 5.6K

B50 120z/100M

1 2

C112

33P

12

B51 120z/100M

1 2

B38

120z/100M

1 2

C117

33P

12

B48 120z/100M

1 2

C120

33P

12

C118 100P

12

C122

10P

12

B79 300z/100M

1 2

FD7 FIDUCIAL-MARK

1

FD8 FIDUCIAL-MARK

1

FD4 FIDUCIAL-MARK

1

FD3 FIDUCIAL-MARK

1

FD2 FIDUCIAL-MARK

1

FD1 FIDUCIAL-MARK

1

Q12

MMBT3904L

R97 0

B68

500z/100M

12

C149 100uF/25V

CPWX8.3

12

J3

12

34

56

78

910

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

MTG3

ID3.2/OD8.0

4 5 6

7

9

10

123

8

11

12

MTG2

ID3.2/OD8.0

4 5 6

7

9

10

123

8

11

12

B56 120z/100M

1 2

B54 120z/100M

1 2

B52 120z/100M

1 2

B64 120z/100M

1 2

B57 120z/100M

1 2

B58 120z/100M

1 2

B55 120z/100M

1 2

Q11 MMBT3904L

B63 120z/100M

1 2

R101 4.7K

B62 120z/100M

1 2

B59 120z/100M

1 2

B60 120z/100M

1 2

B61 120z/100M

1 2

MTG4

ID3.2/OD8.0

4 5 6

7

9

10

123

8

11

12

B69 120z/100M

1 2

B66 120z/100M

1 2

B65 120z/100M

1 2

B77 120z/100M

1 2

+

C123 10uF/16V

CPWX4.3

12

B70 120z/100M

1 2

B71 120z/100M

1 2

B67 120z/100M

1 2

B76 120z/100M

1 2

B75 120z/100M

1 2

B72 120z/100M

1 2

B73 120z/100M

1 2

B74 120z/100M

1 2

J4

12

34

56

78

910

11 12

13 14

15 16

17 18

19 20

R103

1K

R104

4.7K

R99 3K

C148

0.1uF

12

C146

0.1uF

C145 100uF/25V

CPWX8.3

12

FD6 FIDUCIAL-MARK

1

FD5 FIDUCIAL-MARK

1

TP1 TP1

1

R98 100

R95

NA

B78 500z/100M

1 2

C129

33P

12

C128

33P

12

C127

33P

12

C133

33P

12

C132

33P

12

C131

33P

12

C130

33P

12

C137

33P

12

C135

33P

12

C136

33P

12

C134

33P

12

R51 120

1/2W-AX

12

C142

33P

12

C140

33P

12

C139

33P

12

C138

33P

12

C144

33P

12

C143

33P

12

C141

33P

12

MTG1

ID3.2/OD8.0

4 5 6

7

9

10

123

8

11

12

JP5

PH_5P

1 2 3 4 5

C126

0.1uF

12

C125

0.1uF

12

B46

120z/100M

1 2

C119 33P

12

C102

33P

12

C103

33P

12

C101

33P

12

C100

33P

12

B39 120z/100M

1 2

C110

33P

12

C111

33P

12

C105

33P

12

C104

33P

12

C107

33P

12

B43 120z/100M

1 2

C109

33P

12

B42 120z/100M

1 2

B41 120z/100M

1 2

C108

33P

12

B40 120z/100M

1 2

C106

33P

12

C115

33P

12

B49 120z/100M

1 2

C116

33P

12

B47 120z/100M

1 2

C114

33P

12

B45 120z/100M

1 2

C113

33P

12

B44 120z/100M

1 2

5

4

3

2

1

D D

C C

B B

A A

Alpha.Hsu

AUDIO IN

TDA7057AQ

Alpha.Hsu

CHEAKEDDESIGNEDDRAWN

Alpha.Hsu Alpha.Hsu

APPROVED

01/12/01' 5

EAR_PHONE_L+

EAR_PHONE_L-

EAR_PHONE_R-

EAR_PHONE_R+

AUDIO_IN_L

AUDIO_IN_R

GND GND

TO DC JACK BD

TO SPEAKER UNIT

SPK_RSPK_R+ SPK_LSPK_L+

L

R

PCB ;630015130002 PCBA;640015130001

15EX-TA;INTERFACE BD

01

!!!!""""####$$$$%%%%&&&&''''(((())))****

B

5

Title

Size Document Number Rev

Date: Sheet

of

AUDIO_IN_L

SPK_L-

AUDIO_PWM

EAR_PHONE_R+

SPK_L+

AUDIO_IN_R

EAR_PHONE_L+

SPK_R+

EAR_PHONE_L-

EAR_PHONE_R-

SPK_R-

AUDIO_PWM

AUDIO_PWR

+5V

AUDIO_GND

GND

AUDIO_GND

GND

AUDIO_GND

12VIN

VDD_12

JP7

8HEADER

1 2 3 4 5 6 7 8

R108 10K

L2 500Z/100M

12

C154

1U/16V/NA

CPWX4.3

12

C153

1U/16V/NA

CPWX4.3

12

R107

10K

Q13

MMBT3904L

C150

0.1uF

12

R106

10K

R105 1K

I/P1

I/P2

DC1

DC2 NC

GND GND GND

SP1+

SP2+

SP1-

SP2-

U12

3 1

5 7 2

6

12

9

8

10

11

13

4

R14

0

1 2

R13

0

1 2

JP6

HEADER_4

1 2 3 4

+

C152

330uF/16V

12

R123 10K

12

R124 47K

Q15

MMBT3906L

B

E C

R61

NC

1 2

U15

TPS1100D

1 2 3 4 5

6

7

8

SOURCE1 SOURCE2 SOURCE3 GATE DRAIN

DRAIN1

DRAIN2

DRAIN3

R15

10K

12

C151 100uF/25V

CPWX8.3

12

R126

5K1

R125 5K1

5

4

3

2

1

D D

C C

B B

A A

APPROVED

Alpha.Hsu

CHEAKED

Alpha.Hsu

01/12/01'

DESIGNED

Alpha.HsuAlpha.Hsu

DRAWN

PCB ;630015130003 PCBA;640015130003

KEY_MENU#

KEY_SELECT#

KEY_UP#

KEY_DOWN#

HOT_KEY

SOFT_PWR#

LED_AMBER

LED_GREEN

GND

TO INTERFACE BD

15EX-TA ;KEY SW BD

01

!!!!""""####$$$$%%%%&&&&''''(((())))****

B

11

Title

Size Document Number Rev

Date: Sheet

of

KEY_MENU# KEY_SELECT# KEY_UP# KEY_DOWN# HOT_KEY SOFT_PWR# LED_AMBER LED_GREEN GND

D1

LED

1

3

2

Gr

Re

G

SW6

HOT_KEY

1 2

4 3

SW3

SELECT

1 2

4 3

SW4

MENU

1 2

4 3

SW5

DOWN

1 2

4 3

SW1

SW

1 2

4 3

SW2

UP

1 2

4 3

JP1

PH_9

1 2 3 4 5 6 7 8 9

5

4

3

2

1

D D

C C

B B

A A

MIC_IN

EAR_PHONE_OUT

01/12/01'

APPROVED

Alpha.Hsu

CHEAKED

Alpha.Hsu

DESIGNED

Alpha.HsuAlpha.Hsu

DRAWN

MIC_IN_R

MIC_IN_L

GND

EAR_PHONE_R+

EAR_PHONE_R-

EAR_PHONE_L-

EAR_PHONE_L+

PCB ;630015130006 PCBA;640015130006

TO POWER JACK BD

15EX-TA ;PHONE JACK BD

01

!!!!""""####$$$$%%%%&&&&''''(((())))****

A

11

Title

Size Document Number Rev

Date: Sheet of

MIC_IN_R

EAR_PHONE_L-

GND

EAR_PHONE_R-

MIC_IN_L

EAR_PHONE_L+

EAR_PHONE_R+

J2

CON7

1 2 3 4 5 6 7

B2 120z/100M

1 2

B1 120z/100M

1 2

B4 120z/100M

1 2

B3 120z/100M

1 2

J3

PHONEJACK

5

4

3

2

1

J1

PHONEJACK

5

4

3

2

1

C1

0.1uF

1 2

5

4

3

2

1

D D

C C

B B

A A

AUDIO_IN

MIC_OUT

CHEAKED

Alpha.Hsu

APPROVED

Alpha.Hsu

DESIGNED

Alpha.Hsu Alpha.Hsu

DRAWN

10/05/00'

MIC_OUT_R

MIC_OUT_L

GND

EAR_PHONE_R+

EAR_PHONE_R-

EAR_PHONE_L-

EAR_PHONE_L+

AUDIO_IN_R

AUDIO_IN_L GND GND

PCB ;630015130004 PCBA; 640015130004

EAR_PHONE_R+

EAR_PHONE_L+

EAR_PHONE_L-

EAR_PHONE_R-

TO INTERFACE BD

TO PHONE JACK BD

12V 12V NC GND GND

15EX-TA; POWER JACK BD

01

!!!!""""####$$$$%%%%&&&&''''(((())))****

B

11

Title

Size Document Number Rev

Date: Sheet

of

MIC_OUT_R

AUDIO_IN_L

AUDIO_IN_R

EAR_PHONE_L+ EAR_PHONE_LEAR_PHONE_REAR_PHONE_R+

MIC_OUT_L

GND

12VIN

GND

B1 120z/100M

1 2

JP1

8HEADER

1 2 3 4 5 6 7 8

B2 120z/100M

1 2

J3

PHONEJACK

5

4

3

2

1

C1

0.1uF

B3 120z/100M

1 2

J2

CON7

1 2 3 4 5 6 7

B4 120z/100M

1 2

F1 RGE500

JP3

PH_5P

1 2 3 4 5

J1

PHONEJACK

5

4

3

2

1

JP2

POWER_JACK20_B

213

5

4

3

2

1

D D

C C

B B

A A

DESIGNED CHEAKEDDRAWN APPROVED

ALPHA.HSU ALPHA.HSU ALPHA.HSU ALPHA.HSU

10/05/00'

PCB;630015130005 PCBA;640015130008

15EX-TA;SENSOR_BOARD

01

!!!!""""####$$$$%%%%&&&&''''(((())))****

A

11

Title

Size Document Number Rev

Date: Sheet of

AUTO_BRI_CTRL

GND

+5V

GND

+5V

GND

+5V

GND

+5V

GND

R12 LS1001/NC

FD4 FIDUCIAL-MARK

1

FD3 FIDUCIAL-MARK

1

FD2 FIDUCIAL-MARK

1

FD1 FIDUCIAL-MARK

1

Q1

MMBT3904L

C2

0.1uF

C1 0.047uF

C4

0.1uF

MTG3

ID3.2/OD8.0

4 5 6

7

9

10

123

8

11

12

MTG2

ID3.2/OD8.0

4 5 6

7

9

10

123

8

11

12

MTG4

ID3.2/OD8.0

4 5 6

7

9

10

123

8

11

12

R5 3K

JP1

HEADER_4

1 2 3 4

R9 50K

R7 51K

R10 51K

R6 100K

R11

10K

C3 10u/16V

+

-

U1B

LM358

SO8

5

6

7

8 4

R2 51K R4 10K

R1 10K R3 100K

+

-

U1A LM358

SO8

3 2

1

84

MTG1

ID3.2/OD8.0

4 5 6

7

9

10

123

8

11

12

R8 9001

LCD MONITOR 15EX

LCD MONITOR 15EX--

TA MAINTENANCE

61

REFERENCE MATERIAL

“ 15EX-TA ENGINEERING SPECIFICATION ” Jeff.Lee / Mitac

“ gmZAN1 DATA SHEET ” Genesis Microchip Co.

“ THE HM15EX-TA PRODUCT SPEC “ Jeff.Lee / Mitac

Sponsoring Editor : Shoestring Tsai Author : Richard.Wang Assistant Editor : Kelly Chia ng

Publisher : MITAC INTERNATIONAL CORP. Address : 4F, NO.18, PU-DING ROAD, HSINCHU, TAIWAN, R.O.C.

TEL : 886-3- 5645850 Fax : 886-3- 5781245 First Edition : Jun. 2001 E-mail : Jesse.Jan @ mic.com.tw

SERVICE MANUAL & TROUBLESHOOTING GUIDE FOR 15EX-TA

SERVICE MANUAL & TROUBLESHOOTING GUIDE FOR

SERVICE MANUAL & TROUBLESHOOTING GUIDE FOR 15EX-TA