SHARP TUGA1US Service Manual

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Page 1

TU-GA1U-S TU-GAD

SERVICE MANUAL

S44R6TU-GA1US

LCD COLOUR TELEVISION

(AVC System)

TU-GA1U-S

MODELS

In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified should be used.

CONTENTS

» IMPORTANT SERVICE SAFETY PRECAUTION .......................................................................................2

» SPECIFICATIONS ......................................................................................................................................5

» OPERATION MANUAL ...............................................................................................................................6

» DIMENSIONS ...........................................................................................................................................12

» REMOVING OF MAJOR PARTS ..............................................................................................................13

» ADJUSTMENT PROCEDURE..................................................................................................................16

» TROUBLESHOOTING TABLE ................................................................................................................. 25

» HOW TO UPGRADE THE INTERNAL PROGRAM ..................................................................................36

» CHASSIS LAYOUT ...................................................................................................................................41

» OVERALL WIRING DIAGRAM .................................................................................................................44

» MAIN BLOCK DIAGRAM ..........................................................................................................................48

» CPU BLOCK DIAGRAM ...........................................................................................................................50

» POWER BLOCK DIAGRAM .....................................................................................................................52

» DESCRIPTION OF SCHEMATIC DIAGRAM ...........................................................................................54

» SCHEMATIC DIAGRAM ...........................................................................................................................55

» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................... 123

» PARTS LIST ........................................................................................................................................... 152

» PACKING OF THE SET ......................................................................................................................... 185

TU-GAD

Page

SHARP CORPORATION

This document has been published to be used for after sales service only. The contents are subject to change without notice.

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TU-GA1U-S

2 2

TU-GAD

IMPORTANT SERVICE SAFETY PRECAUTION

Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow:

WARNING

1. For continued safety, no modification of any circuit should be attempted.

2. Disconnect AC power before servicing.

CAUTION: FOR CONTINUED PROTECTION AGAINST A RISK OF FIRE REPLACE ONLY WITH SAME

A V

TYPE FUSE. F701 (2A, 250V), F702 (1A, 250V)

BEFORE RETURNING THE RECEIVER (Fire & Shock Hazard)

Before returning the receiver to the user, perform the following safety checks:

1. Inspect all lead dress to make certain that leads are not pinched, and check that hardware is not lodged between the chassis and other metal parts in the receiver.

2. Inspect all protective devices such as non-metallic control knobs, insulation materials, cabinet backs, adjustment and compartment covers or shields, isolation resistor-capacitor networks, mechanical insulators, etc.

3. To be sure that no shock hazard exists, check for leakage current in the following manner.

» Plug the AC cord directly into a 110~240 volt AC outlet. » Using two clip leads, connect a 1.5k ohm, 10 watt

resistor paralleled by a 0.15µF capacitor in series with all exposed metal cabinet parts and a known earth ground, such as electrical conduit or electrical ground connected to an earth ground.

» Use an AC voltmeter having with 5000 ohm per volt,

or higher, sensitivity or measure the AC voltage drop across the resistor.

» Connect the resistor connection to all exposed metal

parts having a return to the chassis (antenna, metal cabinet, screw heads, knobs and control shafts, escutcheon, etc.) and measure the AC voltage drop across the resistor. All checks must be repeated with the AC cord plug connection reversed. (If necessary, a nonpolarized adaptor plug must be used only for the purpose of completing these checks.) Any reading of 0.75 Vrms (this corresponds to 0.5 mA rms AC.) or more is excessive and indicates a potential shock hazard which must be corrected before returning the monitor to the owner.

DVM

AC SCALE

1.5k ohm 10W

0.15 µF

TEST PROBE

TO EXPOSED METAL PARTS

CONNECT TO KNOWN EARTH GROUND

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SAFETY NOTICE

Many electrical and mechanical parts in LCD color television have special safety-related characteristics. These characteristics are often not evident from visual inspection, nor can protection afforded by them be necessarily increased by using replacement components rated for higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in this manual; electrical components having such features are identified by " å"

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and shaded areas in the Replacement Parts List and Schematic Diagrams.

For continued protection, replacement parts must be identical to those used in the original circuit. The use of a substitute replacement parts which do not have the same safety characteristics as the factory recommended replacement parts shown in this service manual, may create shock, fire or other hazards.

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TU-GA1U-S

DVM

ECHELLE CA

1.5k ohm 10W

0.15 µF

SONDE D'ESSAI

AUX PIECES METALLIQUES EXPOSEES

BRANCHER A UNE TERRE CONNUE

TU-GAD

PRECAUTIONS A PRENDRE LORS DE LA REPARATION

Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux conseils suivants.

AVERTISSEMENT

1. N'entreprendre aucune modification de tout circuit. C'est dangereux.

2. Débrancher le récepteur avant toute réparation.

PRECAUTION: POUR LA PROTECTION CONTINUE CONTRE LES RISQUES D'INCENDIE,

A V

REMPLACER LE FUSIBLE F701 (2A, 250V), F702 (1A, 250V)

VERIFICATIONS CONTRE L'INCEN-DIE ET LE CHOC ELECTRIQUE

Avant de rendre le récepteur à l'utilisateur, effectuer les vérifications suivantes.

1. Inspecter tous les faisceaux de câbles pour s'assurer que les fils ne soient pas pincés ou qu'un outil ne soit pas placé entre le châssis et les autres pièces métalliques du récepteur.

2. Inspecter tous les dispositifs de protection comme les boutons de commande non-métalliques, les isolants, le dos du coffret, les couvercles ou blindages de réglage et de compartiment, les réseaux de résistancecapacité, les isolateurs mécaniques, etc.

3. S'assurer qu'il n'y ait pas de danger d'électrocution en vérifiant la fuite de courant, de la facon suivante:

• Brancher le cordon d'alimentation directem-ent à une prise de courant de 110-240V. (Ne pas utiliser de transformateur d'isolation pour cet essai).

• A l'aide de deux fils à pinces, brancher une résistance de 1.5 kΩ 10 watts en parallèle avec un condensateur de 0.15µF en série avec toutes les pièces métalliques exposées du coffret et une terre connue comme une conduite électrique ou une prise de terre branchée à la terre.

• Utiliser un voltmètre CA d'une sensibilité d'au moins 5000Ω/V pour mesurer la chute de tension en travers de la résistance.

• Toucher avec la sonde d'essai les pièces métalliques exposées qui présentent une voie de retour au châssis (antenne, coffret métallique, tête des vis, arbres de commande et des boutons, écusson, etc.) et mesurer la chute de tension CA en-travers de la résistance. Toutes les vérifications doivent être refaites après avoir inversé la fiche du cordon d'alimentation. (Si nécessaire, une prise d'adpatation non polarisée peut être utilisée dans le but de terminer ces vérifications.) Tous les courants mesurés ne doivent pas dépasser

0.5 mA. Dans le cas contraire, il y a une possibilité de choc électrique qui doit être supprimée avant de rendre le récepteur au client.

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AVIS POUR LA SECURITE

De nombreuses pièces, électriques et mécaniques, dans les téléviseur ACL présentent des caractéristiques spéciales relatives à la sécurité, qui ne sont souvent pas évidentes à vue. Le degré de protection ne peut pas être nécessairement augmentée en utilisant des pièces de remplacement étalonnées pour haute tension, puissance, etc. Les pièces de remplacement qui présentent ces caractéristiques sont identifiées dans ce manuel; les pièces électriques qui présentent ces particularités sont

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identifiées par la marque " å " et hachurées dans la liste des pièces de remplacement et les diagrammes schématiques. Pour assurer la protection, ces pièces doivent être identiques à celles utilisées dans le circuit d'origine. L'utilisation de pièces qui n'ont pas les mêmes caractéristiques que les pièces recommandées par l'usine, indiquées dans ce manuel, peut provoquer des électrocutions, incendies, radiations X ou autres accidents.

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TU-GA1U-S TU-GAD

Precautions for using lead-free solder

1 Employing lead-free solder

"PWBs" of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on the PWBs and service manuals. The alphabetical character following LF shows the type of lead-free solder. Example:

L Fa

Indicates lead-free solder of tin, silver and copper.

2 Using lead-free wire solder

When fixing the PWB soldered with the lead-free solder, apply lead-free wire solder. Repairing with conventional lead wire solder may cause damage or accident due to cracks. As the melting point of lead-free solder (Sn-Ag-Cu) is higher than the lead wire solder by 40°C, we recommend you to use a dedicated soldering bit, if you are not familiar with how to obtain lead-free wire solder or soldering bit, contact our service station or service branch in your area.

3 Soldering

As the melting point of lead-free solder (Sn-Ag-Cu) is about 220°C which is higher than the conventional lead solder by 40°C, and as it has poor solder wettability, you may be apt to keep the soldering bit in contact with the PWB for extended period of time. However, Since the land may be peeled off or the maximum heat-resistance temperature of parts may be exceeded, remove the bit from the PWB as soon as you confirm the steady soldering condition. Lead-free solder contains more tin, and the end of the soldering bit may be easily corroded. Make sure to turn on and off the power of the bit as required. If a different type of solder stays on the tip of the soldering bit, it is alloyed with lead-free solder. Clean the bit after every use of it. When the tip of the soldering bit is blackened during use, file it with steel wool or fine sandpaper.

Be careful when replacing parts with polarity indication on the PWB silk.

Lead-free wire solder for servicing

Part No, ★ Description Code ZHNDAi123250E J φ0.3mm 250g(1roll) BL ZHNDAi126500E J φ0.6mm 500g(1roll) BK ZHNDAi12801KE J φ1.0mm 1kg(1roll) BM

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SPECIFICATIONS

Item

TU-GA1U-S /TU-GAD (AVC System)

Terminals

AV in, COMPONENT in

INPUT 2 AV in, COMPONENT in

INPUT 4

HDMI in

ANTENNA

75 Ω Unbalance, F Type for VHF/UHF/CATV in m 2, out m 1

INPUT 3 S-VIDEO in, AV in

OSD language English/French/Spanish

Power Requirement

AC 110-240 V, 50/60 Hz

48W (0.4W Standby with AC 120 V)

Weight

14.8 lbs./6.7 kg (w/o stand), 15.2 lbs./6.9 kg (with stand)

Accessories Operation manual ( 1), Remote

control unit ( ××1), System cable ( × 1),

AC cord ( × 2), "AAA" size battery

( ××2), AVC system stand unit ( × 1),

RF cable ( 1)

Rear INPUT 1

Front

Monitor Out S-VIDEO out, AV out

Headphones

Ø 3.5mm jack

CENTER CHANNEL INPUT

RCA pin

4 Ω 10W (L/R)SPEAKER-B

INPUT 5 Audio in, DVI-I in

Power Consumption

Specifications are subject to change without prior notice.

TU-GA1U-S TU-GAD

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TU-GA1U-S

Part names

Front view

RESET*

POWER button

INPUT 3 terminal (S-VIDEO)

INPUT 3 terminal (VIDEO)

SYSTEM RESET**

INPUT 3 terminals (AUDIO L/R)

AVC System

Rear view

Antenna (A)

input terminal

Antenna (B)

input ter

minal

Antenna (A)

output terminal

How to open the door.

STANDBY/ON indicator

* Press RESET if the system cannot return to its original state after performing various operations.

• AV MODE resets to DYNAMIC (Fixed)

• TV channel returns to initial channel setting (Air:2ch, Cable:1 or 2ch)

• Twin picture resets to normal

• Audio setting initializes

• Dolby virtual resets to Off

• Image position initializes

** Press SYSTEM RESET if the system does not operate after starting up.

NOTE

• Pressing RESET will not work if the System is in standby mode (indicator lights red).

• Pressing RESET will not delete channel preset or secret number. See page 82 for clearing the secret number when you

know it. See page for initializing to the factory preset values when you forget your secret number.

Headphone

(When connecting headphones, the sound from the speakers is muted.)

DC OUTPUT

terminal

(Terminal for expanded

functionality in the near future.)

EXTERNAL SPEAKER terminals

PC CARD slot

CARD indicator

INPUT 1 COMPONENT

video terminals (Y, P

, P

)

INPUT 2 COMPONENT

video terminals (Y, P

, P

)

MONITOR OUTPUT terminal (S-VIDEO)

DISPLA

Y OUTPUT 1 terminal

DISPLAY

OUTPUT 2

terminal

AC INPUT

terminal

RS-232C

terminal

MONITOR OUTPUT terminals (AUDIO L/R)

INPUT 2 terminal (VIDEO)

INPUT 2 terminals (AUDIO L/R)

INPUT 1 terminal

(VIDEO)

INPUT 1 terminals (AUDIO L/R)

MONITOR OUTPUT terminal (VIDEO)

DISPLAY OUTPUT 3 terminal

Input 5 terminal

(AUDIO)

INPUT 5 terminal (DVI-I)

INPUT 4

terminal

(HDMI)

CENTER CHANNEL INPUT

Remote control unit

NOTE

• When using the remote control unit, point it at the Liquid

Crystal Television.

115

10 24

14 29

1 TV POWER: Switch the Liquid Crystal Television power

on or off.

2 DISPLAY: Display the channel information.

3 SOURCE POWER: Turns the power of the exter nal

equipment on and off.

4 External equipment operational buttons: Operate the

external equipment.

50 – 9: Set the channel.

6 ANT-A/B: Select between ANT-A and B to watch

broadcasts via the two tuners.

7VOL/ : Set the volume.

8 CARD: Switch to card mode.

Virtual: Select Virtual Dolby Surround settings.

10 EXIT: Turn off the menu screen.

11 SELECT: Select the active screen.

12 TWIN PICTURE: Set the twin picture mode.

Press again to return to normal screen.

SLEEP:

Set the sleep timer

14 AUDIO: Select the MTS/SAP.

15 FUNCTION: Switches the remote control for TV, VCR,

AUDIO, CBL/SAT and DVD operation. Indicator lights

up for the current mode.

: When pressed all buttons on the remote control unit

will light. The lighting will turn off if no operations are

performed within about 5 seconds. This button is used

for performing operations in dark places.

17 VIEW MODE: Select the screen size.

18 FLASHBACK: Return to the previous channel or input

external mode.

19 INPUT: Select a Liquid

Crystal Television input source.

(TV, INPUT 1, INPUT 2, INPUT 3, INPUT 4, INPUT 5,

Card)

20 CH / : Select the channel.

21 MUTE: Mute the sound.

22 MENU: Display the menu screen.

23 ///: Select a desired item on the screen.

24 RETURN: Return to the previous menu screen.

25 FAVORITE CH

A, B, C, D: Select four preset favorite channels in four

different categories.

While watching, you can toggle the selected channels

by pressing A, B, C and D.

26 FREEZE: Set the still image. Press again to return to

normal screen.

27 CC: Display captions during closed-caption source.

EDIT:

29 AV MODE: Select an audio or video setting.

(AV mode: STANDARD, MOVIE, GAME,USER, DYNAMIC

(Fixed), DYNAMIC. PC mode:STANDARD, USER.)

TU-GAD

OPERATION MANUAL

Page 7

Using external equipment

AVC System

(rear view)

DVD player

Connecting a DVD player

You can use the INPUT 1, INPUT 2, INPUT 4 or INPUT 5 terminals when connecting to a DVD player and other

audiovisual equipment.

Audio cable (commercially available)

Component video cable

(commercially available)

When using component cable.

When using composite cable.

AV cable (commercially available)

DVD player

AVC System

(rear view)

ø 3.5mm stereo minijack cable

(commercially available)

When using DVI cable. (INPUT 5)

AVC System

(rear view)

DVI cable

(Commercially available)

DVD player

AVC System (rear view)

VCR

AV cable

(commercially available)

Connecting a VCR

You can use the INPUT 2 terminal when connecting a VCR and other audiovisual equipment.

AVC System (front view)

Game console/Camcorder

AV cable (commercially available)

S-video cable

(commercially available)

Connecting a game console or camcorder

A game console, camcorder and some other audiovisual equipment are conveniently connected using the

INPUT 3 terminals.

NOTE

• The S-video ter

minal has priority over the video terminals.

TU-GA1U-S TU-GAD

Page 8

TU-GA1U-S

Using external equipment

AVC System (rear view)

Digital TV STB

Connecting a Digital TV STB

You can use the INPUT 1, INPUT 2, INPUT 4 or INPUT 5 terminals when connecting a Digital TV STB and other

audiovisual equipment.

Component video cable (commercially available)

Audio cable

(commercially available)

Digital TV STB

AV cable

(commercially available)

Digital

TV STB

ø 3.5mm stereo minijack cable

(commercially available)

When using component cable.

When using composite cable.

AVC System (rear view)

When using DVI cab

le. (INPUT 5)

AVC System (rear view)

DVI cable

(Commercially available)

Connecting HDMI equipment

You can use the INPUT 4 terminal when connecting an HDMI equipment.

HDMI equipment

HDMI cable

(Commercially available)

AVC System (rear view)

Displaying an image from HDMI equipment

To watch an HDMI equipment image, select

“INPUT4” from “INPUT SOURCE” menu

using INPUT on the remote control unit or

on the Display.

INPUT SOURCE

INPUT1

INPUT2

INPUT3

INPUT4

INPUT5INPUT5

CARD

Press MENU and the MENU screen displays.

Press / to select “HDMI Setup”, and then

press ENTER.

Press / to select “Option”.

[

Option

...

HDMI Setup

]

Option

Digital Noise Reduction

Output Select

Center Channel Input

Caption Setup

Audio Only

Quick Shoot

[Fixed]

[Off]

HDMI Setup

[Auto]

[Low]

[Off]

Press / to select the desired item and

press ENTER.

Press / / / to select the desired setting

and press ENTER.

NOTE

• Refer to your external equipment operation manual for

the signal type.

Selectable items

Auto/RGB/YCbCr

4:4:4/YCbCr 4:2:2

Auto/ITU601/

ITU709

Standard/

Out of standard

Enable/Disable

HDMI Setup

items

Signal

Type

Color

Matrix

Dynamic

Range

Auto View

Description

Select the signal type from

an HDMI terminal. Unless

the image quality looks

obviously poor, select Auto.

Select the internal color

space conversion method

when an RGB signal is

input. Normally, select

Auto.

Select the signal amplitude

range. Normally, select

Standard.

Set whether or not to use

VIEW MODE based on

signal recognition,

including an HDMI signal.

TU-GAD

Page 9

Using external equipment

AVC System (rear view)

ø 3.5 mm stereo minijack cable

(commercially available)

PC with analog RGB terminal

Connecting a PC

Use the INPUT 5 terminal to connect a PC.

ø 3.5 mm stereo minijack cable

(commercially available)

DVI cable

(Commercially available)

RGB/DVI conversion cable

(Commercially available)

PC with DVI terminal

Rear view

Connecting external speakers

When using external speakers

• Change the speaker setting to external speakers.

–

Make sure to connect the speaker terminal and

cable polarity ( , ) properly

• The speaker terminals have plus ( ) and minus ( )

polarity.

• Plus is red and minus is black.

• The cables are also divided into plus and minus.

• When connecting the left/right speakers, be sure to

connect the plus/minus terminals with the correct cables.

NOTE

• Unplug the AC cord from the AC outlet before installing

the speakers.

CAUTION

• Make sure external speakers have 4 ohm and 10 watt

specifications.

• Connect the plus/minus terminals with the correct cables.

Incorrect connection may cause a short.

How to connect the

speaker cable

Push down

the tab.

Insert the

end of the

cable.

Lift the tab

back up.

TU-GA1U-S TU-GAD

Page 10

TU-GA1U-S

Appendix

PC compatibility chart

Apple and Macintosh are registered trademarks

of Apple Computer, Inc.

DDC is a registered trademark of Video Electronics

Standards Association.

Power Management is a registered trademark of

Sun Microsystems, Inc.

VGA and XGA are registered trademarks of

International Business Machines Co., Inc.

PC/MAC Resolution

Horizontal Frequency

Vertical Frequency

VESA Standard

31.5 kHz

37.9 kHz

31.5 kHz

37.9 kHz

31.5 kHz

37.9 kHz

37.5 kHz

43.3 kHz

31.5 kHz

35.1 kHz

37.9 kHz

48.1 kHz

46.9 kHz

53.7 kHz

48.4 kHz

56.5 kHz

60.0 kHz

68.7 kHz

45.0 kHz

48.1 kHz

64.0 kHz

34.9 kHz

49.7 kHz

60.2 kHz

640 x 400

720 x 400

VGA

640 x 480

WVGA 848 x 480

SVGA

800 x 600

1024 x 768XGA

1280 x 720

WXGA

1280 x 768

SXGA

1280 x 1024

VGA

640 x 480

MAC13"

XGA

1024 x 768

MAC19"

SVGA

832 x 624

MAC16"

60 Hz

85 Hz

60 Hz

85 Hz

60 Hz

72 Hz

75 Hz

85 Hz

60 Hz

56 Hz

60 Hz

72 Hz

75 Hz

85 Hz

60 Hz

70 Hz

75 Hz

85 Hz

60 Hz

67 Hz

75 Hz

RS-232C port specifications

Return codeCommand 4-digits Parameter 4-digits

PC Control of the System

• When a program is set, the Display can be controlled from the PC using the RS-232C terminal.

The input signal (PC/AV) can be selected, the volume can be adjusted and various other adjustments and

settings can be made, enabling automatic programmed playing.

•

Attach an RS-232C cable cross-type (commercially available) to the supplied Din/D-Sub RS-232C for the

connections.

NOTE

• This operation system should be used by a person who is accustomed to using computers.

Communication conditions

Set the RS-232C communications settings on the PC to match the display

’

s communications conditions.

The Display’s communications settings are as follows:

Baud rate:

Parity bit:

Data length:

Stop bit:

Flow control:

9,600 bps

8 bits

None

1 bit

None

Command format

Communication procedure

Send the control commands from the PC via the RS-232C connector.

The display operates according to the received command and sends a response message to the PC.

Do not send multiple commands at the same time. Wait until the PC receives the OK response before sending

the next command.

Eight ASCII codes CR+

Command 4-digits:Command. The text of four characters.

Parameter 4-digits:Parameter 0 – 9, x, blank, ?

Parameter

Input the parameter values, aligning left, and fill with blank(s) for the remainder. (Be sure that 4 values are input for the

parameter.)

When the input parameter is not within an adjustable range,

“ERR” r

eturns. (Refer to “Response code format”.)

No problem to input any numerical value for

“x” on the table.

When “?” is input for some commands, the present setting value responds.

C1 C2 C3 C4 P1 P2 P3 P4

0055

100

0009

????

TU-GAD

Page 11

TU-GA1U-S

Command table

• About the command except being indicated here, it is outside the guarantee range of operation.

CONTROL ITEM COMMAND

PARAMETER

CONTROL CONTENTS

POWER SETTING It shifts to standby.

It input-switches by the toggle. (It is the same as an input change key)

It input-switches to TV. (A channel remains as it is. (Last memory))

It input-switches to INPUT1~INPUT5.

It shifts to CARD mode.

An input change is also included.

Although it can choose now, it is toggle operation in inside.

(Toggle)

Input terminal number (1

–5)

AUTO

VIDEO

COMPONENT

DIGITAL PC

ANALOG PC

DIGITAL AV

ANALOG AV

(Toggle)

STANDARD

MOVIE

USER

GAME

DYNAMIC (Fixed)

DYNAMIC

Volume (0–60)

AV mode. ( 10)

PC mode. (0–180)

AV mode. ( 20)

PC mode. (0–100)

Only PC mode. (0

–180)

Only PC mode. (0

–40)

(Toggle) [AV]

An input change is included if it is not TV display.

In Air, 2–69ch is effective.

In Cable, 1–125ch is effective.

If it is not TV display, it will input-switch to TV.

Change toggle operation of tuner A/B.

Toggle operation of a closed caption.

(Toggle)

Side Bar [AV]

S.Stretch [AV]

Zoom [AV]

Stretch [AV]

Normal [PC]

Zoom [PC]

Stretch [PC]

Dot by Dot [PC]

Off

OFF

OFF TIMER – 30 MIN.

The channel number of TV

The channel number of TV 1

(Toggle)

(1–125)

AUTO

POWR

ITGD

ITVD

IAVD

I CRD

INP1

INP5

INPUT SELECTION A TOGGLE

INPUT SELECTION B

AV MODE SELECTION

VOLUME

POSITION

VIEWMODE

Dolby Virtual

SLEEP TIMER

CHANNEL

ANT-A/B

DIRECT

CH UP

CH DOWN

CHANNEL

H-POSITIONH-POSITION

V-POSITION

CLOCK

PHASE

INPUT 1

INPUT 5

AVMD

VOLM

HPOS

VPOS

CLCK

PHSE

ACDV

OFTM

DCCH

CHUP

CHDW

ANTS

CLCP

WIDE

(Toggle)

AUDIO SELECTION

ACHAx _ _ _

OFF TIMER – 60 MIN.

OFF TIMER – 90 MIN.

OFF TIMER – 120 MIN. 4___

(Toggle)

Off

MUTE

MUT E 0

AUTO

VIDEO

COMPONENT

AUTOINP2

INPUT 2

INPUT1-5

CARD

Appendix

NOTE

• If an underbar (_) appears in the parameter column, enter a space.

• If an asterisk (*) appears, enter a value in the range indicated in brackets under CONTROL CONTENTS.

• As long as that from which the parameter ( × ) in the table is a numerical value, it may write anything.

Return code (0DH)

Response code format

Normal response

Problem response (communication error or incorrect command)

Return code (0DH)

ERR

Basic adjustment settings

AV input mode menu items

List of AV menu items to help you with

operations

OPC

Brightness

Contrast

Black Level

Color

Tint

Sharpness

Advanced

C.M.S.

Color Temp.

Black

3D-Y/C

Monochrome

Film Mode

I/P Setting

Picture

No Signal Off

No Operation Off

EZ Setup

CH Setup

Speaker Setup

Input Label

Parental CTRL

Position

Picture Flip

Langua

Treble

Bass

Balance

Dolb

y Virtual

Audio Only

Digital Noise Reduction

HDMI Setup

Input Select

Output Select

Quick Shoot

Center Channel Input

Caption Setup

Audio

Power Control

Setup

Option

PC input mode menu items

List of PC menu items to help you with

operations

OPC

Backlight

Contrast

Brightness

Red

Green

Blue

Advanced

C.M.S.

Picture

Power Management

Speaker Setup

Input Signal

Auto Sync.

Input Label

Fine Sync.

Picture Flip

Language

Audio

Power Control

Setup

Treble

Bass

Balance

Dolby Virtual

Option

Audio Only

Input Select

Output Select

Quic

k Shoot

Center Channel Input

TU-GAD

Page 12

TU-GA1U-S TU-GAD

DIMENSIONS

Unit: inch/(mm)

1423/64(365)

1659/64(430)

/64(2)

(95)

/ 3

821/32(220)159/64(49)

1159/64(303)

(5)

Page 13

TU-GA1U-S TU-GAD

REMOVING OF MAJOR PARTS

1. Remove the two lock screws from each of the right and left side covers, and detach the side covers by sliding them backward.

2. Remove the five lock screws from the top cabinet, and detach the cabinet by sliding it backward.

3. Remove the lock screws from the bottom cabinet, and detach the cabinet by sliding it backward.

4. Remove the tow lock screws from the front panel, and detach the panel.

5. Remove the lock screws, four tuner nuts and six hexagon shaft screws from the rear chassis, and detach the rear chassis.

6. Remove the DVI PWB. 6-1. Remove the four lock screws from the DVI PWB angle. 6-2. Remove the four lock screws from the DVI PWB.

Top Cabinet

Side Cover (left)

6-2

Side Cover (right)

6-1

DVI PWB

DVI PWB Angle

Rear Chassis

Front Panel

Bottom Cabinet

Page 14

TU-GA1U-S TU-GAD

7. Remove the DC/DC converter PWB, TMDS PWB and AUDIO I/F PWB. 7-1. Remove the three lock screws from the TMDS PWB angle. 7-1. Remove the four lock screws from the DC/DC converter PWB. 7-3. Remove the four lock screws from the TMDS PWB. 7-4. Remove the two lock screws from the AUDIO I/F PWB.

8. Remove the five lock screws from the power PWB.

9. Remove the AV PWB, AV SUB PWB and 1-bit amplifier PWB. 9-1. Remove the four lock screws from the AV PWB angle. 9-2. Remove the one lock screw from the AV SUB PWB. 9-3. Remove the two lock screws from the 1-bit AMP PWB.

7-3

DC/DC Converter PWB

7-2

7-1

TMDS PWB Shield

TMDS PWB

TMDS PWB Angle

AUDIO I/F PWB

7-4

Power PWB

9-2

AV PWB

AV SUB PWB

9-1

AV PWB Angle

9-3

1-bit Amp PWB

Page 15

10. Remove the PC card PWB. 10-1. Remove the three lock screws from the PC card PWB angle. 10-2. Remove the four lock screws from the PC card PWB.

11. Remove the cooling fan (small) and front terminal PWB. 11-1. Detach the cooling fan (small). 11-2. Remove the four lock screws from the front shield. 11-3. Remove the one lock screw from the front terminal PWB.

12. Remove the cooling fan (large), main PWB and CPU PWB. 12-1. Detach the cooling fan (large). 12-2. Remove the four lock screws from the main PWB. 12-3. Remove the two lock screws from the CPU PWB. 12-4. Remove the lock screw from the main PWB angle.

10-2

TU-GA1U-S TU-GAD

10-1

PC CARD PWB Angle

PC CARD PWB

12-2

11-2

Front PWB

Front Shield

MAIN PWB Shield

Cooling Fan (small)

11-1

11-3

12-3

MAIN PWB

CPU PWB

12-4

MAIN PWB Angle

Cooling Fan (large)

12-1

Page 16

TU-GA1U-S TU-GAD

ADJUSTMENT PROCEDURE

This section describes the adjustment procedures which should be followed after replacement of faulty PWB (unit), with special emphasis on the precautions to be taken after replacement of Main Unit (DUNTKC619) or CPU Unit (DUNTKC427).

[Replacement of faulty CPU Unit]

1. Adjustment data are stored in the Main Unit. Therefore, no adjustment is needed after replacement of the CPU Unit.

[Replacement of faulty Main Unit]

1. A new Main Unit has no adjustment data. Therefore, all items need to be adjusted.

[Replacement of faulty IC2102 inside Main Unit]

1. A new IC2102 has no adjustment data. However, the data stored in the CPU Unit are automatically recognized and loaded. Therefore, no adjustment is necessary.

Important * Be sure to follow the step below.

[Precaution after PWB replacement or adjustment]

1. After replacement of PWB or adjustment of each part, set "KEY WRITE" to "ON" which is shown in the adjustment OSD menu (Page 2/15). Then press "Enter" and reboot the system.

Page 17

TU-GA1U-S TU-GAD

[Precaution after adjustment] * Be sure to follow the step below.

1. After adjustment of each part, select "KEY WRITE" in the adjustment OSD menu (Page 2/15) and set it to "ON" using the "VOL (+)/(–)" key. Then press "Enter" and reboot the system.

[Entering the process adjustment mode]

Caution: Use due care in handling the information described here lest your users should know how to

enter the process adjustment mode. If the settings are tampered in this mode, unrecoverable system damage may result.

1) Connect the Display and the AVC system using the system cable. Plug the power cable of each unit into a wall outlet. Power up the system using the power switch of the remote controller or the main unit.

2) Enter the standby mode using the remote controller or the main unit switch. (Both the power LED of the Display and that of the AVC system light up in red.)

3) Press "Power" switch of the Display and shut off the power.

4) While simultaneously pressing the "VOL (–)" key and "INPUT" key of the Display, press "Power" switch of the Display and turn on the power. (Keep pressing the "VOL (–)" and "INPUT" keys until the specific display appears on the screen.) If you have failed (only the ordinary startup display appeared), try this step again.

5) Make sure that a K mark is displayed in the top left of the screen.

6) Simultaneously press the "VOL (–)" key and the "CH(Ù)" key of the Display. Several blue text lines appearing on the screen indicate the successful entry into the process adjustment mode.

[Exiting the process adjustment mode]

1) You can exit the process adjustment mode by pressing "Power" switch of the Display and shutting off the power.

[Remote controller key operation]

Channel up/down keys: Moves selection line by line (up/down). Volume up/down keys: Changes setting of the selected line (+1/-1). Cursor up/down keys: Navigates the page (previous/next). Cursor right/left keys: Changes setting of the selected line (+10/-10). Input: Cycles the input. (TUNER → BSD → INPUT1 → INPUT2 → INPUT 3 → INPUT4 → INPUT5)

Enter: Executes the functions. * With the necessary input signals being fed, the input switches itself after the relevant adjustment gets

started. Supply the video and component signals to INPUT1.

[Others]

* Viewing factory settings (backup data)Select EEP RECOVER in the adjustment OSD menu (Page 12/12). Using "VOL (+)/(–)" key, change the setting from "OFF" to "ON". Then press "ENTER" key.

Page 18

TU-GA1U-S TU-GAD

[Adjustment procedure] * Before entering the process adjustment mode, press "TV Reset" switch on the AVC system. Or enter the TV

menu video adjustment mode, change the AVC position to "Dynamic" and execute "Reset" in the bottom of the menu.

1) N358 signal adjustment [N358ALLADJ]

Adjusting point Adjusting conditions Adjusting procedure

1 Input signal setting

1) Input signal setting

1) Using the input signal generator, feed the split field color bar signal -- US10ch (193.25 MHz), RF modulation -- to the tuner -A/-B.

• Color saturation 75%

Yellow

White 75%

Cyan

White 100%

Green

Red

Magenta

• RF modulation 87.5%

Black

• Bottom white window Vertical: 1/4V

2 RF input/Video input

MAIN/SUB screen

• Contrast

• CB / CR GAIN

2) Video 1 input terminal connection signal

Red

White

Yellow

Cyan

Green

Magenta

Blue

Feed the signal adjusted as above.

2) Using the input signal generator, feed the full field color bar signal to the Video 1 input terminal.

• Color saturation 75%

• Input signal should be 1.00 Vp-p (Sync - 100%

white) with 75Ω termination of the signal

Black

generator video output.

1) Enter the process adjustment mode.

2) Bring the cursor on to [N358 ALL ADJ] on Page 3.

3) Press [ENTER] key of the remote controller. The adjustment is done automatically.

Ë For each input, operate in the following order.

1) Video input: Bring the cursor on to [N358 MAIN ADJ] and press [ENTER].

2) Video input: Bring the cursor on to [N358 SUB ADJ] on Page 4 and press [ENTER].

3) RF input: Bring the cursor on to [TUNER DAC ADJ] and press [ENTER].

Page 19

2) 15K component signal adjustment [COMP15KALLADJ]

Adjusting point Adjusting conditions Adjusting procedure

1 Input signal setting

Video 1 component input terminal connection signal

Red

White

Yellow

Cyan

Green

Magenta

Blue

1) Using the input signal generator, feed the full field color bar signal to the Video 1 input terminal.

• Color saturation 100%

• Input signal should be 1.00 Vp-p (Sync - 100%

white) with 75Ω termination of the signal

Black

generator video output.

TU-GA1U-S TU-GAD

2 15K component signal

input

Feed the signal adjusted as above.

• Contrast

• CB / CR GAIN

• Y / CB / CR OFFSET

3) HDTV component signal adjustment [HDTV ADJ]

Adjusting point Adjusting conditions Adjusting procedure

1 Input signal setting

Video 1 component input terminal connection signal

Cyan

White

Yellow

Green

Magenta

Red

1) Enter the process adjustment mode.

2) Bring the cursor on to [COMP15K ALL ADJ] on Page 5.

3) Press [ENTER] key of the remote controller. The adjustment is done automatically.

1) Using the input signal generator, feed the full field color bar signal to the Video 1 component input terminal.

• Color saturation 100%

• Input signal should be 1.00 Vp-p (Sync - 100%

Blue

Black

white) with 75Ω termination of the signal generator video output.

2 HDTV component

signal input

• CONTRAST

• CB GAIN

• CR GAIN

• Y OFFSET

• PB OFFSET

• PR OFFSET

Feed the signal adjusted as above.

1) Enter the process adjustment mode.

2) Bring the cursor on to [HDTV ADJ] on Page 7.

3) Press [ENTER] key of the remote controller. The adjustment is done automatically.

Page 20

TU-GA1U-S TU-GAD

4) DVI signal adjustment [DVI ANALOG / DVI DIGITAL]

Adjusting point Adjusting conditions Adjusting procedure

1 Input signal setting

DVI input terminal connection signal (Digital/analog)

100%

white

1) Using the input signal generator, feed the window pattern signal to the DVI input terminal (digital/ analog).

• White 100%, black 0%

• Input signal should be 0.7 Vp-p (DATA 255) with

75Ω termination of the signal generator video output.

2 DVI input signal

Feed the signal adjusted as above.

1) Enter the process adjustment mode.

2) Bring the cursor on to [DVI ANALOG] on Page 8.

3) Press [ENTER] key of the remote controller. The adjustment is done automatically.

4) Bring the cursor on to [DVI DIGITAL] on Page 9.

5) Press [ENTER] key of the remote controller. The adjustment is done automatically.

5) Finishing the adjustment

• Exit the process adjustment mode. (Press "Power" switch of the Display and shut off the power.) Reference: To adjust each item manually, refer to the remarks in the process adjustment mode list for the detail.

Bring the cursor on to the desired item, and make adjustment using the Volume key.

(Adjustments will be less precise.) [Retrieval of factory settings] Caution: Once the factory setting retrieval is performed, all user data including channel settings will be lost by initialization.

Take enough care when performing this function. (The adjustments made in the process adjustment mode will remain intact.)

Adjusting point Adjusting conditions Adjusting procedure

1 Factory settings

1) Enter the process adjustment mode.

2) Bring the cursor on to [INDUSTRY INIT] on Page 2.

3) Using [VOL] key, set to [ON]. Press [ENTER] to execute initialization. When the initialization is over, the system exits the process mode automatically and displays TV 1ch.

4) * Never shut off the power until the initialization is

complete.

Page 21

Process adjustment mode list

•

Page Line Item Description Remarks (adjustment detail, etc.)

1 [INFO]

1 MAIN Version 2 CARD Version Card unit version Card unit 3 Monitor Version Monitor version Taken from the monitor. (Panel size and type also displayed) 4 EQ DATA CHECKSUM 5 STANDBY CAUSE Standby cause Last status which caused standby 6 FAN STATUS ROTATE

2 [INIT]

1 INDUSTRY INIT Factory settings Factory settings (common to factory settings of remote controller)

KEY WRITE Setting after PWB replacement and adjustment HOTELMODE Prohibited Center Acutime Total AVC operating hours RESET BacklightAcutime RESET VIC XPOS X-axis setting VIC YPOS Y-axis setting VIC COLOR Y/G, CB/B and CR/R settings VIC SIGNAL_TYPE Singal setting adjustment VIC READ Tum ON and press [ENETR], to get the setting displayed

3 [N358MAIN]

1 N358 ALL ADJ N358MAIN+SUB+TUNER Auto N358 Main, Sub and Tuner DAC adjustments

N358 MAIN ADJ Auto MAIN ADJ Auto N358 Main video adjustment TUNER DAC ADJ Auto TUNER DAC Auto Tuner DAC adjustment N358 MAIN CONTRAST IC400 Contrast adjustment N358 MAIN Cb GAIN IC400 Cb gain adjustment N358 MAIN Cr GAIN IC400 Cr gain adjustment N358 SUB CONTRAST IC500 Sub contrast adjustment N358 SUB Cb GAIN IC500 Sub Cb gain adjustment N358 SUB Cr GAIN IC500 Sub Cr gain adjustment TUNER A DAC TUNER-A DAC Tuner-A DAC adjustment TUNER B DAC TUNER-B DAC Tuner-B DAC adjustment

4 1 N358 SUB ADJ Auto SUB ADJ Auto N358 Sub video adjustment

N358 SUB CONTRAST N358 SUB Cb GAIN N358 SUB Cr GAIN TUNER TEST TUNER VCHIP TEST(10ch) VCHIP TEST(10ch) TUNER VCHIP TEST(15ch) VCHIP TEST(15ch)

5 [COMP15KMAIN]

1 COMP15K ALL ADJ Auto ALL Auto COMP15K Main + Sub adjustments

COMP15KAD MAIN ADJ Prohibited COMP15K MAIN ADJ Auto ALL Auto COMP15K Main video adjustment COMP15K MAIN CONTRAST COMP15K MAIN Cb GAIN IC3700 Comp Cb gain adjustment COMP15K MAIN Cr GAIN IC3700 Comp Cr gain adjustment COMP15K Y OFFSET IC3700 Comp Y offset adjustment COMP15K Cb OFFSET IC3700 Comp Cb offset adjustment COMP15K Cr OFFSET IC3700 Comp Cr offset adjustment COMP15K SUB CONTRAST COMP15K SUB Cb GAIN IC500 Comp sub Cb gain adjustment COMP15K SUB Cr GAIN IC500 Comp sub Cr gain adjustment

6 [COMP15KSUB]

1 COMP15K SUB ADJ Auto ALL Auto COMP15K Sub video adjustment

COMP15K SUB CONTRAST COMP15K SUB Cb GAIN COMP15K SUB Cr GAIN

7 [HDTV]

1 HDTV ADJ Auto HDTV video adjustment

CONTRAST IC3700 Contrast adjustment Cb GAIN IC3700 Cb gain adjustment Cr GAIN IC3700 Cr gain adjustment HDTV Y OFFSET IC3700 HD Comp Y offset adjustment HDTV Cb OFFSET IC3700 HD Comp Cb offset adjustment HDTV Cr OFFSET IC3700 HD Comp Cr offset adjustment

Main microprocessor version

EQ DATA checing

Total monitor operating hours

IC3700 Comp contrast adjustment

IC500 Comp sub contrast adjustment

Version display

microprocessor

Check the EQ DATA

software version

TU-GA1U-S TU-GAD

Page 22

TU-GA1U-S TU-GAD

8 [DVI ANALOG]

1 DVI ANALOG Auto DVI analog video adjustment (W/B adjustment)

9 [DVI DIGITAL]

1 DVI DIGITAL Auto DVI digital video adjustment

10 [M GAMMA]

1 MONITOR R GAMMA LO Monitor W/B adjustment

11 [M GAMMA R]

1 MONITOR R GAMMA 1

12 [M GAMMA G]

1 MONITOR G GAMMA 1

13 [M GAMMA B]

1 MONITOR B GAMMA 1

14 [PATTERN]

1 CVIC PATTERN Prohibited

15 [ETC]

R CUTOFF IC3700 R cutoff adjustment G CUTOFF IC3700 G cutoff adjustment B CUTOFF IC3700 B cutoff adjustment R DRIVE IC3700 R drive adjustment G DRIVE IC3700 G drive adjustment B DRIVE IC3700 B drive adjustment

CONTRAST IC3700 Contrast adjustment R CUTOFF IC3700 R cutoff adjustment G CUTOFF IC3700 G cutoff adjustment B CUTOFF IC3700 B cutoff adjustment R DRIVE IC3700 R drive adjustment G DRIVE IC3700 R drive adjustment B DRIVE IC3700 R drive adjustment

MONITOR G GAMMA LO MONITOR B GAMMA LO MONITOR R GAMMA HI MONITOR G GAMMA HI MONITOR B GAMMA HI GAMMA WRITE GAMMA RESET

MONITOR R GAMMA 2 MONITOR R GAMMA 3 MONITOR R GAMMA 4 MONITOR R GAMMA 5 MONITOR GAMMA 6 GAMMA WRITE GAMMA RESET

MONITOR G GAMMA 2 MONITOR G GAMMA 3 MONITOR G GAMMA 4 MONITOR G GAMMA 5 MONITOR B GAMMA 6 GAMMA WRITE GAMMA RESET

MONITOR B GAMMA 2 MONITOR B GAMMA 3 MONITOR B GAMMA 4 MONITOR B GAMMA 5 MONITOR B GAMMA 6 GAMMA WRITE GAMMA RESET

PU PATTERN Prohibited

EEP SAVE Prohibited EEP RECOVER Recovery of process Retrieves the stored adjustment value

adjustment value

CARD REC INPUT Prohibited

Page 23

TU-GA1U-S TU-GAD

Manual adjustment

» First select Adjustment Items A and B. The adjustment points will be displayed at the top left. » Then select Adjustment Items C and D. Set VIC READ to [ON] and press ENTER, and the adjustment data will

be displayed at top right.

» Finally switch to the adjustment page. Using the VOL (+)/(—) keys, go to the data and change the setting.

2 [INIT]

1 INDUSTRY INIT Factory setting

A VIC XPOS X-axis setting B VIC YPOS Y-axis setting C VIC COLOR Y/G, CB/B and CR/R settings D VIC SIGNAL_TYPE Adjustment signal setting

Adjustment point

(1) Current page

(2) Current title

KEY WRITE Settings made after replacement and adjustment of PWB HOTELMODE Prohibited Center Acutime AVC total operating hours RESET BacklightAcutime RESET

VIC READ Turn ON and press ENTER to get the setting displayed.

Monitor total operating hours

(3) Current input

(4) Current color system

(5) AVC HDCP key status (separate only)

Factory setting (remote controller factory setting and common operation)

(6) AVC destination

(7) Adjustment value (yellow)

2/15 [INIT] INPUT1 N358 HDCP:ON JAPAN VIC[ 240]

INDUSTRY INIT KEY WRITE HOTELMODE Canter Acutime RESET Backlight RESET VIC XPOS VIC YPOS VIC COLOR VIC SIGNAL_TYPE VIC READ

OFF OFF OFF `H`M OFF `H`M OFF 0 0 Y/G N358MAIN OFF

(8) Item name (9) Parameter display

Process menu header

Adjustment signal selected Adjustment input signal selected Adjustment value GO

Page 24

TU-GA1U-S TU-GAD

B/W

[IRE]

CVBS Y 0/100 CONTRAST 234

CB/CR 75% Cb/Cr GAIN 198 Adjust with CB. Same value to CR.

2 RF 0/100 CONTRAST 234

3 NT-Comp Y 0/100 CONTRAST 245

PB/PR 100% Cb/Cr GAIN 240 Adjust with CB. Same value to CR.

4 HD-Comp Y 0/100 CONTRAST 245

PB/PR 100% PB/PR GAIN 240

PB/PR/ offset 0 PB/PR offset 0 Lower the setting to achieve 0.

5 DVI-A R/G/B 100 WB adjustment 240

RGB offset 0 0 Lower the setting to achieve 0.

6 DVI-D R/G/B 100 WB adjustment 240

RGB offset 0 0 Lower the setting to achieve 0.

PC Card Unit Y No adjustment

PB/PR

ADJ

Adjustment

reference data

(Note that the setting below "0" is not displayed.)

Digital Unit Y No adjustment

PB/PR

Page 25

TROUBLE SHOOTING TABLE

No power supply (Front LED is not ON)

TU-GA1U-S TU-GAD

Is power cable properly connected to the main unit?

YES

Is F701 normal?

YES

Is F702 normal?

YES

Is BU+5V line (pin (5) of P1701) normal?

YES

Reconnect the wire harness, FFC, etc. in the set, and repeat the check.

No power-up (Front LED does not change from red to green)

Are MDR (gray) and DVI (white) connectors of the system cable properly connected to the Dispay and the AVC System?

Connect the power cable properly, and turn on the power.

Replace F701, and turn on the power. If the fuse is still blown, replace VA701, D701, Q705 and Q706, and repeat

Replace F702, and turn on the power. If the fuse is still blown, replace D701 and IC701, and repeat the check.

Is there any faulty part or short-circuit in BU+5V line?

YES

Check IC902 and its peripheral

Remove the faulty part or short-circuit, and repeat the check.

Reconnect properly and turn on the power.

YES

Is the power switch of the monitor ON?

YES

Is specified voltage available at S-Vcc+15V (pins (11) and (12) of P1752), UR+10V (pin (5) of P1752) and CPU+10V (pins (7) and (8) of P1781)?

YES

Is specified voltage available at D+1.8VCV (pins (3) and (4) of P1703), D+3.3V (pins (9) and (12) of P1701) and D+5V (pin (1) of P1703)?

YES

Is D_POW line normal? Are the pins (46), (47) and (48) of IC1701 at "HI", and the pin (5) of IC952 at "LOW"?

Check D_POW line.

Does OVP line voltage fluctuate immediately after the power is supplied?

Reconnect the wire harness, FFC, etc. in the set, and repeat the check.

YES

Set the power switch to ON, and turn on the power.

Are PS_ON (pin (6) of P1701) and EU_D_POWER (pin (2) of P1702) at "HI" (3V or higher)?

YES

Check PS_ON or EU_D_POWER

Is specified impedance available in S-Vcc+15V, UR+10V and CPU+10V lines? (Measure the resistance between each +B line and GND.)

YES

Check the circuits in the faulty line.

Are MOS-FET (Q1701, Q1702, Q1703, Q1704 and Q1705) and IC952 normal?

YES

Replace IC1701.

Replace faulty FET or IC.

Page 26

TU-GA1U-S TU-GAD

TROUBLE SHOOTING TABLE (Continued)

No audio output (1)

No headphone audio output

Check between pins (26) and (27) (OUT L/R) of IC2702 and HPAMP (IC2502), audio mute (Q2501) and headphone terminal (J2402), as well as their peripheral circuits.

Check the headphone plug check circuit. Check between headphone (pin (4) of J2402) and pin (7) of IC1102.

No audio output during BS reception

No monitor audio output

Check if monitor audio output is set to "variable" or if headphone is connected.

NO NO

Is there normal audio output in IC2501 (Multi Sound Processor)? Check pins (37) and (38) (SC10 OUT L/R) of IC2501.

Check between pins (37) & (38) (SC10 OUT L/R) of IC2501 (Multi Sound Processor) and pins (1) & (13) of monitor switching IC1108. Is there normal audio output for each?

Check between pins (1) & (13) of IC1108 and pins (2) & (5) of monitor audio output terminal (J1105).

No audio output (2)

No BS monitor audio output

Is there normal audio output from the main unit? Check pins (9) and (7) (L/R OUT) of the connector (P1105).

Check between pins (9) & (7) (L/R OUT) of P1105 and pins (1) & (13) of monitor switching IC1108. Is there normal audio output for each?

Check between pins (1) & (13) of IC1108 and pins (2) & (5) (Q1102, Q1103) of monitor audio output terminal (J1105).

No audio output during UHF/VHF reception

Is the volume icon set on speaker when volume key is operated?

YES

Are there normal signal inputs at pin (2) of IC3805 and pin (2) of IC3812 (AV SW)?

YES

Are there normal signal inputs at pin (3) of IC3805 and pin (3) of IC3812 (AV SW) to pins (56) and (57) of IC2501 (Multi Sound Processor)?

YES

Are there normal audio outputs at pins (33) and (34) (SC2 OUT L/R) of IC2501 (Multi Sound Processor) to pins (32) and (33) of IC2702?

YES

Are there normal audio outputs at pins (28) and (29) (AOUT L/R) of IC2702?

YES

Are there normal audio outputs at pins (28) and (29) of IC2702 to pins (13) and (15) of P3801 (1-bit amplifier input)?

YES

Is relay switching done normally from AUDIO I/F PWB P6003 to RY6001 (speaker switching) and RY6000 (speaker A/B switching)?

If monitor output is set to "variable" in the main menu, change the setting to "fixed".

Check between pins (9) & (7) (L/R OUT) of P1105 and pins (59) & (61) of IC3800 (AV SW).

Are there normal inputs and outputs of I2S/LRCK, BICK, SDTO and SDTI signals between IC2702 and IC2700 (DSP)?

Check between pins (33) & (34) (SC2 OUT L/R) of IC2501 (Multi Sound Processor) and pins (32) & (33) of IC2702.

Check IC2702 and its peripheral circuits.

Check the circuits between pins (28) & (29) of IC2702 and pins (13) & (15) of P3801 (1-bit amplifier input.)

Check the 1-bit amplifier and its peripheral circuits.

Is the volume icon set on speaker when volume key is operated?

Is there normal signal input at pin (67) (SOUND IF1) of IC2501 (Multi Sound Processor)?

Is there normal SIF output from

YES

tuner? (Pin (14) of TU1101)

Check TU1101 (U/V tuner) and its peripheral circuits.

Page 27

TROUBLE SHOOTING TABLE (Continued)

No video output (1)

External input in trouble <Video 1>

Is Video 1 selected in the input switching

menu screen?

Are there digital video signal outputs at pins

(43), (44), (46), (47), (48), (49), (54), (55)

and (58) of IC400?

Are there digital video signal inputs at pins (51) thru (78) and (7) thru (10) of IC3201? (Signal pins only)

Are there digital video signal outputs at pins (39) thru (49) of IC3201? (Signal pins only)

Are there digital video signal outputs at pins (3) thru (16) of SC3200? (Signal pins only)

<Composite video signal input> Is there main video signal output at pin (60) of IC3800, or sub video signal output at pin (56)?

Is there signal input at pin (65)?

Is there signal input at each input pin of

IC3800 (AV SWITCH)?

Select Video 1 and the input signal in the input

switching menu screen.

If signal name is in gray and not selectable

in the menu screen

Check between pin (4) of J1103 and pin

(65) of IC3800.

Is composite video signal detection

functioning normally? Check between

J1103 and pin (9) of IC1102.

Is there signal input at each input pin of

IC400 (MAIN VIDEO DEC)?

Is there signal input at pin (85)?

Check IC 400 (MAIN VIDEO DEC) and its

peripheral circuits.

Check between IC401 and IC400.

External input in trouble <Video 2>

YES

Check between IC501 and IC500.

Are there digital video signal outputs at pins

(43), (44), (46), (47), (48), (49), (54), (55)

and (58) of IC500?

Check IC500 (SUB VIDEO DEC) and its

peripheral circuits.

Replace the main PWB, or check between

IC400/IC500 and IC3201.

Check IC3201 (LV DSTx) and its peripheral

circuits.

Check between IC3201 and SC3200.

Select Video 2 and the input signal in the

input switching menu screen.

If signal name is in gray and not selectable

in the menu screen

Check between pin (8) of J1105 and pin

(71) of IC3800.

Check IC3800 (AV SWITCH) and its

peripheral circuits.

Is composite video signal detection

functioning normally? Check between

J1105 and pin (11) of IC1102.

<Composite video signal input> Is there main video signal input at pin (2) of IC401, or sub video signal input at pin (2) of IC

501?

Check between IC3800 and IC401/IC501.

No problem up to the main PWB. Check TMDS PWB.

Is Video 2 selected in the input switching

menu screen?

Is there signal input at pin (71)?

Is there signal input at each input pin of

IC3800 (AV SWITCH)?

YES

<Composite video signal> input

Is there signal input at each input pin of

IC500 (SUB VIDEO DEC)?

Is there signal input at pin (85)?

TU-GA1U-S TU-GAD

Page 28

TU-GA1U-S

No video output (2)

External input in trouble <Video 3>

Is Video 3 selected in the input switching

menu screen?

Are there digital video signal outputs at pins

(43), (44), (46), (47), (48), (49), (54), (55)

and (58) of IC400?

Are there digital video signal inputs at pins (51) thru (78) and (7) thru (10) of IC3201? (Signal pins only)

Are there digital video signal outputs at pins (39) thru (49) of IC3201? (Signal pins only)

Are there digital video signal outputs at pins (3) thru (16) of SC3200? (Signal pins only)

No problem up to the main PWB. Check TMDS PWB.

<Composite video signal input> Is there main video signal input at pin (60) of IC3800, or sub video signal input at pin (56)?

<S-video signal input> Are there main Y-signal input at pin (60) and main C-signal input at pin (59) of IC3800, or sub Y-signal

input at pin (56) and sub C-signal input at pin (55)?

<Composite video signal input> Is there main video signal input at pin (2) of IC401, or sub video signal input at pin (2) of IC

501?

<S-video signal input> Are there main Y-signal input at pin (2) and main C-signal input at pin (6) of IC401, or sub Y-signal in

put at pin (2) and sub C-signal input at pin (6) of IC501?

<S-video signal input>

Are there Y-signal input at pin (5) and

C-signal input at pin (7)?

Is there signal input at pin (3)?

Is there signal input at each input pin of

IC3800 (AV SWITCH)?

Select Video 3 and the input signal in the

input switching menu screen.

If signal name is in gray and not selectable

in the menu screen

Check between pins (2) of J2404 and pins

(3) of IC3800.

Check between pins (3) & (4) of J2401 and

pins (5) & (7) of IC3800.

Is composite video/S-video signals detection

functioning normally? Check between J2404

and pin (12) of IC1102, and between J2401

and pin (6) of IC3800.

Is there signal input at each input pin of

IC400 (MAIN VIDEO DEC)?

Is there signal input at pin (85)?

<S-video signal input>

Are there Y-signal input at pin (85) and C-

signal input at pin (90)?

Check IC 400 (MAIN VIDEO DEC) and its

peripheral circuits.

Check between IC401 and IC400.

YES

Check between IC501 and IC500.

YES

Check IC3800 (AV SWITCH) and its

peripheral circuits.

Check between IC3800 and IC401/IC501.

YES

<Composite video signal / S-video signal> input

Are there digital video signal outputs at pins

(43), (44), (46), (47), (48), (49), (54), (55)

and (58) of IC500?

Is there signal input at each input pin of

IC500 (SUB VIDEO DEC)?

Is there signal input at pin (85)?

<S-video signal input>

Are there Y-signal input at pin (85) and C-

signal input at pin (90)?

Check IC500 (SUB VIDEO DEC) and its

peripheral circuits.

Replace the main PWB, or check between

IC400/IC500 and IC3201.

Check IC3201 (LV DSTx) and its peripheral

circuits.

Check between IC3201 and SC3200.

TU-GAD

TROUBLE SHOOTING TABLE (Continued)

Page 29

TU-GA1U-S

No video output (3)

Tuner-A (U/V) in trouble

Is there video signal output at pin (17) of

TU1101(video output)?

Is there signal input at pin (7) of IC1103?

Is there signal output at pin (5) of IC1103?

Is there signal input at pin (17) of IC3800

(AV SWITCH)?

Check the tuner and its peripheral circuits.

Check between the tuner and IC1103.

Check IC1103 and its peripheral circuits.

Check between IC1103 and IC3800.

Are there digital video signal outputs at pins

(43), (44), (46), (47), (48), (49), (54), (55)

and (58) of IC400?

Are there digital video signal inputs at pins (51) thru (78) and (7) thru (10) of IC3201? (Signal pins only)

Is there main video signal output at pin (60) of IC3800, or sub video signal output at pin (56)?

Is there main video signal input at pin (2) of IC401, or sub video signal input at pin (2) of IC501?

Are there digital video signal outputs at pins (39) thru (49) of IC3201? (Signal pins only)

Are there digital video signal outputs at pins (3) thru (16) of SC3200? (Signal pins only)

No problem up to the main PWB. Check TMDS PWB.

Is there signal input at each input pin of

IC400 (MAIN VIDEO DEC)?

Is there signal input at pin (85)?

Check between IC401 and IC400.

Check IC400 (MAIN VIDEO DEC) and its

peripheral circuits.

YES

Tuner-B (U/V) in trouble

Is there video signal output at (video output)

pin (17) of TU1102?

Is there signal input at pin (1) of IC1103?

Is there signal output at pin (3) of IC1103?

Is there signal input at pin (19) of IC3800

(AV SWITCH)?

Check the tuner and its peripheral circuits.

Check between the tuner and IC1103.

Check IC1103 and its peripheral circuits.

Check between IC1103 and IC3800.

YES

Are there digital video signal outputs at pins

(43), (44), (46), (47), (48), (49), (54), (55)

and (58) of IC500?

Is there signal input at each input pin of

IC500 (SUB VIDEO DEC)?

Is there signal input at pin (85)?

Check between IC501 and IC500.

Check IC500 (SUB VIDEO DEC) and its

peripheral circuits.

YES

Check IC3800 (AV SWITCH) and its

peripheral circuits.

Check between IC3800 and IC401/IC501.

<Tuner U/V> input

Replace the main PWB, or check between

IC400/IC500 and IC3201.

Check IC3201 (LV DSTx) and its peripheral

circuits.

Check between IC3201 and SC3200.

TU-GAD

TROUBLE SHOOTING TABLE (Continued)

Page 30

TU-GA1U-S

No video output (4)

External input in trouble <Video 1>

Is Video 1 selected in the input switching

menu screen?

Are there digital video signal outputs at

each output pin (AD_***) of IC3700 (ADC)?

Are there digital video signal inputs at pins (51) thru (78) and (7) thru (10) of IC3201? (Signal pins only)

Are there digital video signal outputs at pins (39) thru (49) of IC3201? (Signal pins only)

Are there digital video signal outputs at pins (3) thru (16) of SC3200? (Signal pins only)

Are there main video signal outputs at pins (46), (48) and (50) of IC3801, sub video signal outputs at pins (40), (42) and (44)

, and pass video signal

outputs at pins (34), (36) and (38)?

Are there signal inputs at pins (53), (55)

and (57)?

Is there signal input at each input pin of

IC3801 (CHROM SWITCH)?

Select Video 1 and the input signal in the input

switching menu screen.

If signal name is in gray and not selectable

in the menu screen.

Check between pins (7), (14) and (20) of

J1103 and each input pin of IC3800.

Is Component signals detection functioning

normally? Check between J1103 and pin

(30) of SC3802.

Is there signal input at each input pin of

IC3700 (ADC)?

Are there signal inputs at pins (5), (13) and

(20)?

Check IC3700 (ADC) and its peripheral

circuits.

Check between IC3703 and IC3700.

External input in trouble <Video 2>

YES

Is Video 2 selected in the input switching

menu screen?

Are there signal inputs at pins (5), (7), (9)?

Is there signal input at each input pin of

IC3801 (CHROM SWITCH)?

Select Video 2 and the input signal in the input

switching menu screen.

If signal name is in gray and not selectable

in the menu screen

Check between pins (3), (6), (9), of J1105

and each input pin of IC3801.

Is Component signals detection functioning

normally? Check between J1105 and pin

(76) of IC3800.

YES

Check between IC501 and IC500.

Are there digital video signal outputs at pins

(43), (44), (46), (47), (48), (49), (54), (55)

and (58) of IC500?

Check IC500 and its peripheral circuits.

Replace the main PWB, or check between

IC3700/IC500 and IC3201.

Check IC3201 (LV DSTx) and its peripheral

circuits.

Check between IC3201 and SC3200.

Check IC3801 (CHROM SWITCH) and its

peripheral circuits.

<Main Video Signal> Are there pass signal inputs at pins (1), (5) and (25) of IC3703?

<Sub Video Signal (525I)> Are there sub signal inputs at pins (8), (10) and (13) of IC501?

Check between IC3801 and IC3703, and

between IC3801 and IC501.

No problem up to the main PWB. Check TMDS PWB.

<Component video signal> input

Is there signal input at each input pin of

IC500 (SUB VIDEO DEC)?

Are there signal inputs at pins (85), (92)

and (94)?

TU-GAD

TROUBLE SHOOTING TABLE (Continued)

Page 31

TROUBLE SHOOTING TABLE (Continued)

DVI Input (Digital PC mode)

TU-GA1U-S TU-GAD

Are there Rx0, 1, 2 and C signal inputs to IC1900?

YES

Check PC settings.

Check IC1915 and its peripheral circuits.

Check IC1917 and its peripheral circuits.

Are there Hsync, Vsync and RGB DAC signal outputs from IC1900?

YES

Are there RGB, Hsync and Vsync signal outputs from ME connector?

YES

Are IC1915 data accessed by I2C when connected to PC?

YES

Are outputs at pins (12) and (14) of IC1917 both (H, H)?

YES

Do pins (12) and (14) become (L, L) when analog AV mode is entered?

YES

Check ME connector I2C signal line.

Check IC1900 and its peripheral circuits.

Check IC1901, IC1903 and their peripheral circuits.

Are there RGB, Hsync and Vsync signal inputs to the main PWB IC3700 and IC3701?

YES

Check IC3700, IC3701 and their peripheral circuits.

Check ME harness for disconnection.

Page 32

TU-GA1U-S TU-GAD

TROUBLE SHOOTING TABLE (Continued)

DVI Input (Analog PC mode)

Are there RGB signal inputs at pins (25), (26) and (27), and Hsync/Vsync signal inputs at pins (28) and (8) from DVI connector?

YES

Check PC settings.

Are IC1915 data accessed by I2C when connected to PC?

YES

Are outputs at pins (12) and (14) of IC1917 both (H, L)?

YES

Check IC1915 and its peripheral circuits.

Check IC1917 and its peripheral circuits.

Are there Vsync and Hsync signal outputs at pins (4) and (6) of IC1904?

YES

Are there RGB, Hsync and Vsync signal outputs from ME connector?

YES

Are there RGB, Hsync and Vsync signal inputs to IC3700 and IC3701 of the main PWB?

YES

Check IC3700, IC3701 and their peripheral circuits.

Do pins (12) and (14) become (L, H) when digital AV mode is entered?

YES

Check ME connector I2C signal line.

Check IC1904 and its peripheral circuits.

Check IC1901, IC1903 and their peripheral circuits.

Check ME harness for disconnection.

Page 33

TROUBLE SHOOTING TABLE (Continued)

DVI Input (Digital AV mode)

Are there Rx0, 1, 2 and C signal inputs to IC1900?

YES

Are IC1911 data accessed by I2C when connected to PC?

YES

TU-GA1U-S TU-GAD

Check PC settings.

Check IC1911 and its peripheral circuits.

Check IC1917 and its peripheral circuits.

Are there Hsync, Vsync and RGB DAC signal outputs from IC1900?

YES

Are there RGB, Hsync and Vsync signal outputs from ME connector?

YES

Are there RGB, Hsync and Vsync signal inputs to the main PWB IC3700 and IC3701?

YES

Are outputs at pins (12) and (14) of IC1917 both (L, H)?

YES

Do pins (12) and (14) become (H, L) when analog PC mode is entered?

YES

Check ME connector I2C signal line.

Check IC1900 and its peripheral circuits.

Check IC1901, IC1903 and their peripheral circuits.

Check ME harness for disconnection.

Check IC3700, IC3701 and their peripheral circuits.

Page 34

TU-GA1U-S TU-GAD

TROUBLE SHOOTING TABLE (Continued)

DVI Input (Analog AV mode)

Are there RGB signal inputs at pins (25), (26) and (27), and Hsync/Vsync signal inputs at pins (8) and (28) from DVI connector?

YES

Check PC settings.

Are IC1911 data accessed by I2C when connected to PC?

YES

Are outputs at pins (12) and (14) of IC1917 both (L, L)?

YES

Check IC1915 and its peripheral circuits.

Check IC1917 and its peripheral circuits.

Are there Vsync and Hsync signal outputs at pins (4) and (6) of IC1904?

YES

Are there RGB, Hsync and Vsync signal outputs from ME connector?

YES

Are there RGB, Hsync and Vsync signal inputs to IC3700 and IC3701 of the main PWB?

YES

Check IC3700, IC3701 and their peripheral circuits.

Do pins (12) and (14) become (H, H) when digital PC mode is entered?

YES

Check ME connector I2C signal line.

Check IC1904 and its peripheral circuits.

Check IC1901, IC1903 and their peripheral circuits.

Check ME harness for disconnection.

Page 35

TROUBLE SHOOTING TABLE (Continued)

TMDS PWB Check

Are signals supplied to R3111-R3114 and R3116?

YES

Check SC3100 and FFC for disconnection.

TU-GA1U-S TU-GAD

Are there Hsync, Vsync, blanking and clock signal outputs at pins (3), (5), (6) and (26) of IC3105?

YES

Is pin (13) (reset) of IC3101 in "H"?

YES

Are there signal outputs at pins (1), (2), (9), (10), (17), (18), (23) and (24) of SC3102?

YES

Check system cables and the display.

Check IC3105 and its peripheral circuits.

Check IC3101 and harness.

Check IC3101 and its peripheral circuits.

Page 36

TU-GA1U-S TU-GAD

HOW TO UPGRADE THE INTERNAL PROGRAM

The model employs the following software.

» Main software (AVC System) » Monitor microprocessor software (Display) » Card microprocessor software

The main software and the monitor microprocessor software can be upgraded by using a general-purpose SD memory card, while the card microprocessor software by using a PC card. The followings are the procedures for upgrading, explained separately for each of the main software, the monitor microprocessor software and the card microprocessor software.

Main software version upgrade

Get ready before you start

» SD memory card of 8MB or higher capacity » PC running on Windows 98/98SE/ME/2000/XP operating system » SD memory card reader/writer with USB connectivity, PC card adapter » SD memory card formatting software

(Downloadable at http://panasonic.jp/support/audio/sd/download/sd_formatter.html)

Preparations

To upgrade the main software, it is necessary to get ready the SD card for version upgrade before you start. Follow the steps below and create the SD card for version upgrade.

1 Insert the SD card into the SD card reader/writer. Start the SD card formatting software. Click [Format].

(When you have the drive options, select the drive where the SD card is inserted before you proceed.)

Page 37

2 When the formatting is over, the following window appears. Click [OK].

3 Click [Exit] to finish the formatting.

Note : When you are done, take out the SD card once to make sure it is finished, and then insert it again.

TU-GA1U-S TU-GAD

4 Copy the binary image file KA1UAxxx.SDC (named tentatively) for version upgrade to the root directory

(folder) of the SD card drive. Note : In the SD card drive, do not put other folders or unrelated files, or more than one binary image files

for version upgrade.

5 Now the SD card for version upgrade is ready.

Page 38

TU-GA1U-S TU-GAD

How to upgrade the software

Software upgrading can be done regardless of whether a dedicated display is connected or not. You can view the progress on the dedicated display if it is connected. When such display is not used, see the power LED on the AVC System which blinks according to the status of upgrading. It should be noted that, unlike the digital model, the progress of upgrading does not appear on the screen of the TV set connected to the video output terminal of the AVC System.

1 Shut off the AC power to the AVC System (i.e. unplug the AC power cable). 2 Insert the SD card for version upgrade (prepared as above) into the service socket below the CENTER

CHANNEL INPUT terminal in the rear of the AVC System, keeping the cut corner of the SD card at the right-hand side. Note : If the SD card is inserted with wrong orientation, the card will go deep inside the set beyond retrieval.

Use due care to insert the SD card correctly.

3 While depressing the SYSTEM RESET button in the front of the AVC System, turn on the AC power (i.e.

plug in the AC power cable). Note : After the AVC System is started, you may release the SYSTEM RESET button.

4 After the AVC System startup, the system upgrade screen as shown below appears in several to 10-odd

seconds.

Program OK NG

EEPROM

OK NG

12 %

5 Even a single failure in the process will trigger the upgrade failure screen as shown below. The word “NG”

changes to red for the item failed. Note : In the event of a failure, repeat the upgrading process. If the process repeatedly fails, the hardware

failure is likely.

Program OK NG

100 %

EEPROM

OK NG

Ver 1.07(U 2004/04/01 2)

Page 39

TU-GA1U-S TU-GAD

6 Upon completion of the whole process, the upgrade success screen as shown below appears. You can

check the new software version on this screen. The version information appears after the upgrade is complete.

Program OK NG

100 %

EEPROM

Ver 1.07(U 2004/04/01 2)

OK NG

7 Shut off the AC power to the AVC System (unplug the AC power cable), and remove the SD card for

version upgrade.

8 Now the software version upgrade is complete.

Note : When you are done with the software version upgrade, start the set, go to the top page of the

process adjustment screen and check the main software version information.

Monitor microprocessor software version upgrade

Get ready before you begin

Get ready the same items as listed in the "Main software version upgrade". In addition, the display unit whose software is to be upgraded and the AVC System unit should also be ready.

Preparations

Create the SD card for monitor microprocessor software version upgrade in the same manner as explained in the "Main software version upgrade". Copy the binary image file for monitor microprocessor software version upgrade to the SD card drive.

How to upgrade the software

The software upgrade is performed in the environment where the AVC System is connected to the display unit whose software is to be upgraded. During the monitor microprocessor software version upgrade, the progress of upgrading will appear neither on the display screen nor on the screen of the TV set connected to the monitor output terminal of the AVC System. The upgrading status is seen by the blinking of the display side power LED indicator. 1 Connect the display to the AVC System correctly. Turn on the AC power of each unit (plug in the AC power

cable).

2 Turn on the main power switch (not the receiver power switch) of the display beforehand. 3 Shut off the AC power to the AVC System (i.e. unplug the AC power cable). 4 Insert the SD card for version upgrade (prepared as above) into the service socket below the CENTER

Use due care to insert the SD card correctly.

Page 40

TU-GA1U-S TU-GAD

5 While depressing the SYSTEM RESET button in the front of the AVC System, turn on the AC power (i.e.

plug in the AC power cable). Note : After the AVC System is started, you may release the SYSTEM RESET button.

Caution!! The moment this operation is done, the upgrading process of the monitor microprocessor software starts. While the upgrade is ongoing, never turn off the power to the display or the AVC System. Otherwise the upgrade will fail and the system may be damaged seriously beyond recovery (inability of the display unit startup).

6 After the AVC System startup, the display side power LED starts blinking in green in several to 10-odd

seconds.

7 Wait until the display side power LED stops blinking, the AVC System restarts automatically, and the

normal startup screen appears on the display (it will take 2-3 minutes).

8 Shut off the AC power to the AVC System (unplug the AC power cable), and remove the SD card for

version upgrade.

9 Now the software version upgrade is complete.

Note : When you are done with the software version upgrade, start the set, go to the top page of the

process adjustment screen and check the monitor microprocessor software version information.

Card microprocessor software version upgrade

1 When the set is turned on, unplug the AC power cable from the outlet for forced shutdown. 2 Insert a new microprocessor software card into the PC card slot. 3 Plug the AC power cable into the outlet. 5 Press the Menu button and select the card mode. 5 The card microprocessor program is automatically loaded from the PC card. 6 When the loading is over, "Finished" message appears. 7 Unplug the AC power cable from the outlet for forced shutdown.

Page 41

654321

CHASSIS LAYOUT

FRONT

AVSUB

DVI TMDS

TU-GA1U-S TU-GAD

Page 42

TU-GA1U-S TU-GAD

CHASSIS LAYOUT

MAIN

PC CARD

87109654321

Page 43

TU-GA1U-S TU-GAD

CPU

AUDIO-I/F

1716 1918151413121110

Page 44

TU-GA1U-S

TU-GAD

OVERALL WIRING DIARAM-1/2

P3804

30P

CPU UNIT DUNTKC427FE12

QCNW-C030WJPZ:Harness A

QCNW-C030WJPZ:Harness B

AF AD PS

P3805

AV UNIT

DUNTKC663FE01

P5711

P3802

10P

P3803

15P

SC3802

45P

QCNW-C598WJPZ

P5705

QCNW-C011WJPZ:Harness A

QCNW-C011WJPZ:Harness B

QCNW-C014WJQZ

P8506

DU DP

QCNW-C041WJQZ:Harness A

FFC

P8502

SC9302

80P

BtoB

SC2102

80P

P401 10P

P501 15P

SC7200

45P

FRONT UNIT DUNTKC483DE0

MAIN UNIT DUNTKC619FE05

P1001

P801

P2402

30P

QCN

P15

QCNW-C041WJQZ:Harness B

P5701

60P

P5702

60P

B to B

QCNW-C033WJQZ

QCNW-C036WJQZ:Harness B

SC2500

60P

QCNW-C036WJQZ:Harness C

AV SUB UNIT

DUNTKC259FE05

QCNW-C035WJQZ

SC2501

60P

QCNW-C034WJQZ

QCNW-C026WJQZ

Relay

CNA102

CNA101

15P

1-bit AMP

87109654321

P5703

12P

FAN

P5706

P5707

P3800

P5708

P3801

15P

QCNW-C036

SF SH

P6002

P6001

AUDIO I DUNTK

P6003

Audio

MDR

DVI

Page 45

TU-GA1U-S TU-GAD

ONT UNIT NTKC483DE02

P2402

30P

QCNW-C031WJQZ

P1902

DVI UNIT DUNTKC267FE15

P1904

P1900

10P

MD ME

QCNW-C018WJPZ:Harness A

QCNW-C018WJPZ:Harness B

MD ME

P3700

10P

P1901

11P

P7200

11P

P1903

12P

QCNW-C018WJPZ:Harness C

P3701

10P

PC CARD UNIT DUNTKC266FE02

P5003

12P

P7220

P5102

50P

QCNW-C023WJQZ

FFC

SC7201

50P

P1501

14P

QCNW-C036WJQZ:Harness A

JQZ

6002 5P

6001

6003

P6000

14P

AUDIO I/F UNIT DUNTKC484DE02

MDR

DVI

Cable

P3101

SC1500

12P

LP LV

SC3101

12P

TMDS UNIT DUNTKC261FE05

SC3200

FFC FFC

TMDS

33P

SC3100

33P

P1752

12P

QCNW-C024WJQZQCNW-C523WJQZ QCNW-C524WJQZ

P1781

P1790

PI PJ

CN901

P1802

QCNW-C025WJQZ

P1703

DC-DC UNIT

P1791

CN902

RDENCA074WJN1

POWER UNIT RDENCA064WJN1

P1803

20P

PF PG

P1701

12P

P1702

P1751

CN904

To-Display

1716 1918151413121110

Page 46

TU-GA1U-S TU-GAD

OVERALL WIRING DIARAM-2/2

AUDIO IF 25 TC2+ 25 TXOUT- 50 GND P6000

1 SENCE 1 SENCE 27 TCLK22 VD+5V 2 +5V 28 TCLK2+ 3 SMPOW 3 SMPOW 29 GND 4 VD+5VBK 4 +5VBU 30 TD25 GND 5 GND 31 TD2+

6 RXDO_M 6 RXD 32 GND 7 TXDO_M 7 TXD 33 GND 8 GND 8 GND N0491FJ

9 CCKM 9 CCKM 10 FLASH_W 10 FLASH_W 11 SRST 11 SRST 12 PM_REQ 12 PM_REQ 13 CSEN2 13 CSEN2 P401 14 CSEN1 14 CSEN1 1 Y/VOUT1 1 Y/VOUT2 1 +5V(D1) 1 UR10V

AV SUB 5 COMP1_Y 5 COMP2_Y 5 F_GND 5 BU5V SC2500

1 GND 1 GND 7 COMP1_Cb 7 COMP2_Cb N0543FJ 7 UR6V

2 GND 2 GND 8 GND 8 GND 8 D_POW

3 SIF 1 3 SIF 1 9 COMP1_Cr 9 COMP2_Cr P1703 9 +3.3V(D)

4 MAIN.R 4 MAIN.R 10 GND 10 GND 10 GND

5 GND 5 GND N0572FJ 11 COMP3_Y NA045WJ 11 GND

6 GND 6 GND 12 GND 12 +3.3V

7 SIF2 7 SIF2 13 COMP3_Cb P1752 13 ADJ1.8V

8 MAIN.L 8 MAIN.L P3802

9 GND 9 GND 1 Y/VOUT1 15 COMP3_Cr NA168WJ 15 ADJ3.3V 10 GND 10 GND 2 GND NA238WJ 16 NC 11 RM 11 RM 3 COUT1 P5703 12 HP_R 12 HP_R 4 GND 1 UR+35V 18 GND 13 GND 13 GND 5 COMP1_Y P3803 14 GND 14 GND 6 GND 1 Y/VOUT2 3 NC 20 AC_DET 15 LM 15 LM 7 COMP1_CB 2 GND 4 GND MA120WJ 16 HP_L 16 HP_L 8 GND 3 COUT2 5 UR+10V 17 GND 17 GND 9 COMP1_CR 4 GND 6 GND DC-DC 18 GND 18 GND 10 GND 5 COMP2_Y 7 UR+6V P1701 TO MAIN (P1803) 19 C1.PLUG 19 C1.PLUG N0572FJ 6 GND 8 GND 1 UR+10V 20 AOUT_R 20 AOUT_R 7 COMP2_CB 9 BU+5V 2 OVP 21 S.MUTE 21 S.MUTE 8 GND 10 GND 3 GND 22 GND 22 GND 9 COMP2_CR 11 +15V 4 GND 23 SCL3_2 23 SCL3_2 10 GND 12 +15V 5 BU+5V 24 AOUT_L 24 AOUT_L 11 COMP3_Y NA168WJ 6 PS_ON 25 SDA3_2 25 SDA3_2 12 GND 7 UR+6V 26 GND 26 GND 13 COMP3_CB 8 D_POW 27 GND 27 GND 14 GND 9 D+3.3V 28 NC 28 NC 15 COMP3_CR 10 GND 29 L.MUTE 29 L.MUTE NA238WJ 11 GND 30 GND 30 GND 12 D+3.3V 31 SRESET 31 SRESET NA051WJ 32 NC 32 NC 33 HP_MUTE 33 HP_MUTE DC-DC 34 GND 34 GND P1790 TO POWER (CN901) DC-DC 35 GND 35 GND 1 S-VCC+15V P1702 TO MAIN (P1803) 36 SPDIF 36 SPDIF 2 S-VCC+15V 1 AC_DET 37 SCL3_3 37 SCL3_3 3 AC_DET 2 EU_D_POW 38 GND 38 GND CPU 4 UR+10V 3 GND 39 GND 39 GND P8502 TO DC-DC (P1781) 5 UR+10V 4 GND 40 GND 40 GND 1 BU+6V 6 UR+10V 5 ADJ3.3V 41 SDA3_3 41 SDA3_3 2 BU+6V 7 PS_ON 6 UR+6V 42 +8V 42 +8V 3 GND 8 BU+5V 7 ADJ1.8V 43 GND 43 GND 4 GND NA047WJ NA046WJ 44 +8V 44 +8V 5 BU+5V POWER 45 GND 45 GND 6 GND CN901 46 +8V 46 +8V 7 VCC(10V) 47 +5V 47 +5V 8 VCC(10V) 48 GND 48 GND 9 GND 49 +5V 49 +5V N0546FJ DC-DC 50 GND 50 GND DC-DC P1791 TO POWER (CN902) 51 +5V 51 +5V P1781 TO CPU (P8502) 1 S-VCC GND 52 BU+5V 52 BU+5V 1 BU+6V 2 S-VCC GND 53 GND 53 GND 2 BU+6V 3 OVP 54 BU+5V 54 BU+5V 3 GND 4 UR-GND 55 GND 55 GND 4 GND 5 UR-GND 56 BU+5V 56 BU+5V 5 BU+5V 6 UR-GND 57 +3.3V(D) 57 +3.3V(D) 6 GND 7 BU-GND 58 +9V 58 +9V 7 VCC(10V) NA046WJ 59 +3.3V(D) 59 +3.3V(D) 8 VCC(10V) POWER 60 +9V 60 +9V 9 GND CN902

TMDS TX TMDS TX TMDS TX P3101

TO CPU(P8506)

1 D3V3 1 CTL3 1 GND 18 TD1+ 2 TXD 2 MON_DET 2 GND 19 TD13 RXD 3 RST_PL 3 TD2+ 20 GND PC CARD 4 GND 4 SDA_A 4 TD2- 21 TCLK1+ P5003 5 GND 5 SCL_A 5 GND 22 TCLK1- 1 10V 1 10V

N0567FJ 6 HOT PLUG 6 TCLK2 23 GND 2 GND 2 GND

CPU 8 SCL_A5 8 GND 25 TC1- 4 GND 4 GND P8506

TO TMDS TX(P3101)

1 D3V3 10 +3.3V 10 TC2- 27 TB1+ 6 GND 6 I2S_DA_OUT 2 TXD 11 BU+5V 11 GND 28 TB1- 7 I2S_CL 7 GND 3 RXD 12 V5V 12 TB2+ 29 GND 8 NC 8 I2S_DA_IN 4 GND N0532FJ 13 TB2- 30 TA1+ 9 I2SDA_OUT N0570FJ 5 GND 14 GND 31 TA1- 10 GND

N0567FJ 15 TA2+ 32 GND 11 I2SDA_IN P5102

BtoB

MAIN12 P1501

AV3 P5701

TO MAIN (P1501)

N0064CE N0064CE 2 GND 2 GND 2 D_GND 2 OVP

TO AV (P5701)

MA202WJ WA202WJ NA165WJ

SC3101

MAIN12 SC1500

TO AUDIO IF (P6000)

TO AV SUB (SC2500)

TO MAIN (SC1500)

7 GND 7 TCLK2 24 TC1+ 3 3.3V 3 I2S_WS

9 SDA_A5 9 TC2+ 26 GND 5 I2S_WS 5 I2S_CL

FFC

TO TMDS TX (SC3101)

1 V5V 1 GND 1 3.3V 1 3.3V 26 GND 2 BU+5V 2 GND 2 GND 2 3.3V 27 TXOUT1+ 3 +3.3V 3 TA1- N0564FJ 3 3.3V 28 TXOUT4 SDA_C_1 4 TA1+ 4 GND 29 GND 5 SCL_C_1 5 GND 5 GND 30 TXOUT0+ 6 GND 6 TB1- 6 GND 31 TXOUT07 HOTPLG5 7 TB1+ 7 DOUT 32 GND 8 SCL_C_2 8 GND 8 DIN 33 GND

9 SDA_C_2 9 TC1- 9 GND 34 GND 10 RST_PL 10 TC1+ 10 GND 35 RXIN011 MON_DET 11 GND 11 GND 36 RXIN0+ 12 CTL3 12 TCLK1- 12 10V 37 GND

N0532FJ 13 TCLK1+ 13 10V 38 RXIN1-

MAIN1 MAIN3

3 COUT1 3 COUT2 3 +1.8V(D) 3 GND 4 GND 4 GND 4 +1.8V(D) 4 GND

6 GND 6 GND 6 D.GND 6 PS_ON

AV2

SC3100 TOMAIN (SC3200)

16 TA2- 33 GND 12 NC 17 GND N0491FJ N0574FJ N0464FJ

MAIN11 SC3200 TO TMDS TX(SC3100) P7220 TO PC CARD(P5003) SC7201

14 GND 14 10V 39 RXIN1+ 15 TD1- 15 GND 40 GND 16 TD1+ 16 PCC_RST 41 RXIN217 GND 17 GND 42 RXIN2+ 18 TA2- 18 TXOUT3+ 43 GND 19 TA2+ 19 TXOUT3- 44 RXCLKIN20 GND 20 GND 45 RXCLKIN+ 21 TB2- 21 TXCLKOUT+ 46 GND 22 TB2+ 22 TXCLKOUT- 47 RXIN323 GND 23 GND 48 RXIN3+ 24 TC2- 24 TXOUT2+ 49 GND

26 GND N0464FJ

TO AV (P3802) P501 TO AV (P3803) P1802 TO DC-DC (1703) P1803 TO DC-DC

TO MAIN (P401)

TO AV (5705) TO MAIN (P7220)

FFC

14 GND 14 RU6V

AV2

TO MAIN (P501)

MAIN14 MAIN14

To BS-D unit SC2102 BB 80pin

BS-D 80pin

P9302 MA159WJ

AV3 P5705 TO PC CARD(P5003)

TO MAIN (SC7201)

To-PC-CARD

FFC

TO_PC CARD(P5102)

DC-DC(6P)

DC-DC(12P)

AV3

TO DC-DC (P1752)

2 GND 19 EU_P_POW

POWER

MAIN13MAIN13

87109654321

17 GND

Page 47

TU-GA1U-S TU-GAD

AV2 P3804

TO FRONT(P2402)

1 V4_PLUG 1 V4_PLUG 2 V4_Y 2 V4_Y

003) DV I 2 4 V4_C 4 V4_C

)

26 GND 1 GND 21 LED_CARD 21 LED_CARD 27 TXOUT1+ 2 HDMI_Pr 22 CLS_SW 22 CLS_SW 28 TXOUT- 3 GND DVI1 23 BU+5V 23 LED5V 29 GND 4 HDMI_Y P3700 30 TXOUT0+ 5 GND 1 GND 1 GND 25 CARD(G) 25 GND 31 TXOUT0- 6 HDMI_Pb 2 DV1_SR 2 DVI_SR 26 LED_G DENGEN 26 32 GND 7 GND 3 GND 3 GND 27 GND 27 LED_CARD_G 33 GND 8 HDMI_H 4 DV1_SG 4 DVI_SG 28 LED YOYAKU 28 LED YOY AKU 34 GND 9 HDMI_V 5 GND 5 GND 29 LED OSIRASE 29 LED OSIRASE 35 RXIN0- 10 GND 6 DV1_SB 6 DVI_SB 30 POW 30 POW 36 RXIN0+ N0572FJ 7 GND 7 GND NA170WJ NA169WJ 37 GND 8 DV1_H 8 DVI_H 38 RXIN1- 9 DV1_V 9 DVI_V 39 RXIN1+ 10 GND 10 GND 40 GND N0572FJ N1064TA 41 RXIN242 RXIN2+ DVI1 43 GND P7200 44 RXCLKIN- 1 GND 1 GND 45 RXCLKIN+ 2 +5V 2 +5V 46 GND 3 DVI_HPLG 3 DVI_HPLG 47 RXIN3- 4 DVI_SCDT 4 DVI_SCDT 48 RXIN3+ 5 BU+5V 5 BU+5V 49 GND 6 +3V(D) 6 +3V(D) 50 GND 7 GND 7 GND

N0464FJ 8 SCL_B_1 8 SCL_B_1

P1903

TO MAIIN (P3701)

1 GND AV3 2 HDMI_Pr P5711 TO DVI (P1904) P1904 3 GND 1 SPDIF 1 SPDIF 8 V4_V 8 V4_V 4 HDMI_Y 2 GND 2 GND 9 GND 9 GND 5 GND N0564FJ N0564FJ 10 V4_L 10 V4_L 6 HDMI_Pb 11 GND 11 GND 7 GND AV2 DVI1 12 V4_R 12 V4_R 8 HDMI_H P3805

9 HDMI_V 1 PC_L 14 GND 14 GND 10 GND 2 GND 15 HP_R 15 HP_R 11 NC 3 PC_R 16 GND 16 GND 12 NC 4 GND 17 HP_L 17 HP_L

N0574FJ N0566FJ N0464TA 18 5V(A) 18 5V(A)

MAIN4

TO DVI (P1903)

P3701

MAIN14

TO DVI (P1902)

MAIN4

TO DVI (P1900)

TO DVI (P1901)

9 SDA_B_1 9 SDA_B_1 10 HDMI_HPOW 10 HDMI_HPOW 11 HDMI_INT 11 HDMI_INT

N0573FJ N0573FJ

DVI2 6 V4_SPLUG 6 V4_SPLUG

TO AV (P5711)

P1902 TO AV (P3805) 13 HP_PLUG 13 HP_PLUG

1 DVI_L 2 GND

3 DVI_R 4 GND

P1900

TO MAIIN (P3700)

P1901

TO MAIIN ( P7200 )

3 GND 3 GND

5 GND 5 GND

7 V4_S2PLUG 7 V4_S2PLUG

19 GND 19 GND 20 GND 20 GND

24 BS_RST 24 BS_RST

FRONT P2402

TO AV (SC3800)

LED_G DENGEN

3 TO DC-DC

1 UR10V SC7200 2 OVP 1 GND 1 AFT_1 1 GND 1 GND 3 GND 2 D_POW 2 AFT_2 2 GND 2 GND 4 GND 3 I2CEXT 3 AGC_1 3 OPT_CNOUT 3 OPT_CNOUT 5 BU5V 4 FAN_CONT 4 AGC_2 4 DELAY_RST 4 DELAY_RST 6 PS_ON 5 SCL5 5 GND 5 GND 5 GND P5708 7 UR6V 6 SDA5 6 TXD1 6 GND 6 GND 1 SCL5 8 D_POW 7 GND 7 RXD1 7 LED5V 7 LED5V 2 GND

9 +3.3V(D) 8 AVPWB 8 GND 8 I2S_CL 8 I 2S_CL 3 SDA5 10 GND 9 1BIT_PROTECT 9 SDA3 9 GND 9 GND 4 GND 11 GND 10 TEXT_EN 10 SCL3 10 GND 10 GND 5 SP_PLUG 12 +3.3V 11 CSEN2 11 SDA_A 11 NC 11 NC 6 GND 13 ADJ1.8V 12 GND 12 SCL_A 12 I2S_WS 12 I2S_WS 7 MON1_DOW 14 RU6V 13 SH_ON 13 GND 13 NC 13 NC NA046WJ 15 ADJ3.3V 14 SH_VCC 14 LED_R 14 GND 14 GND 16 NC 15 GND 15 MONI_DOWN 15 NC 15 NC AUDIO IF 17 GND 16 C1_PLUG 16 HPMUTE 16 I2S_DA_OUT 16 I2S_DA_OUT P6001 18 GND 17 SP_PLUG 17 LMUTE 17 GND 17 GND 1 SCL5 19 EU_P_POW 18 4586_INT 18 GND 18 GND 18 GND 2 GND 20 AC_DET 19 GND 19 FAST_SW1 19 BS_SPDIF 19 BS_SPDIF 3 SDA5

MA120WJ 20 SRESET 20 BS_RST 20 I2S_DA_IN 20 I2 S_DA_IN 4 GND

C 22 GND 22 TV_COL1 22 GND 22 GND 6 GND

1 TO MAIN (P1803) 23 TV_COL25 23 TV_COL2 23 GND 23 GND 7 MONI_POW

1 UR+10V 24 TV_COL15 24 GND 24 I2S_DA _IN2 24 I2S_DA_IN2 NA061WJ

2 OVP 25 GND 25 SSYSTEM 25 NC 25 NC

3 GND 26 BS_RST 26 SRESET 26 GND 26 GND

4 GND 27 FAST_SW1 27 GND 27 NC 27 NC

5 BU+5V 28 GND 28 SDA_INT 28 CENT_SP_IN 28 CENT_SP_IN AUDIO IF 1bit amp

6 PS_ON 29 L.MUTE5 29 SP_PLUG 29 GND 29 GND P6003 TO 1BIT CNA102

7 UR+6V 30 HP_MUTE5 30 C1_PLUG 30 GND 30 GND 1 RCH(+) 1 Rch +

8 D_POW 31 MONI_DOWN 31 GND 31 GND 31 GND 2 RCH(+) 2 Rch +

9 D+3.3V 32 LED_R 32 SH_VCC 32 SDA_IN 32 SDA_IN 3 RCH(-) 3 Rch 10 GND 33 GND 33 SH_ON 33 GND 33 GND 4 RCH(-) 4 Rch 11 GND 34 SCL_A 34 GND 34 GND 34 GND 5 LCH(-) 5 Lch 12 D+3.3V 35 SDA_A 35 CSEN2 35 GND 35 GND 6 LCH(-) 6 Lch -

NA051WJ 36 SCL_B 36 TEXT_EN 36 MONI_DOWN 36 MONI_DOWN 7 LCH(+) 7 Lch +

C 39 RXD1 39 GND 39 NC 39 NC

2 TO MAIN (P1803) 40 TXD1 40 SDA5 40 SP_PULG 40 SP_PULG AUDIO IF

1 AC_DET 41 GND 41 SCL5 41 NC 41 NC P3800

2 EU_D_POW 42 AGC_2 42 FAN_CONT 42 GND 42 GND 1 SP_SW 1 SP-SW

3 GND 43 AGC_1 43 I2CEXT 43 NC 43 NC 2 1B_RELAY 2

4 GND 44 AFT_2 44 D_POW 44 SDA5 4 4 SDA5 3 GND 3 GND

5 ADJ3.3V 45 AFT_1 45 GND 45 GND 45 GND 4 +5V 4 +5V C

6 UR+6V N0493FJ N0493FJ 46 SCL5 46 SCL5 5 GND 5 GND

7 ADJ1.8V 47 NC 47 NC N0567FJ N0564TA

NA046WJ 48 GND 48 GND

MAIN14

TO AV (SC3802)

FFC

21 SSYSTEM 21 GND 21 GND 21 GND 5 SP_PLUG

37 SDA_B 37 PROTECT 37 NC 37 NC 8 LCH(+) 8 Lch + 38 GND 38 AVPWB 38 GND 38 GND N0864TA N0863TA

DC-DC P5706 P1751 TO POWER (CN904) 1 FAN5V 50 GND 50 GND P3801 TO 1BIT CNA101

1 DC+9V OUT 2 FAN_LOCK 51 GND 51 GND 1 PGND 1 PGND 2 GND 3 GND 52 GND 52 GND 2 PGND 2 PGND 3 PLG_CK N0378GE 53 NC 53 NC 3 PVDD 3 PVDD

POWER 55 NC 55 NC 5 DGND_AD 5 CN904 TO DC-DC (P1751) 5 6 GND 56 GND 6 D+5V 6 D+5V

1 DC+9V OUT 57 GND 57 GND 7 PROTECT 7 PROT ECT 2 GND 58 NC 58 NC 8 MUTE 8 MUTE 3 PLG_CK 59 GND 59 GND 9 RESET 9 RESET

AV2 AV3 SC3802 TO MAIN(SC7200) P5702

AV3

TO FAN1 49 NC 49 NC 1bit amp

To-FAN

AV3 P5707 TO FAN2 60 GND 60 GND 10 AGND_AD 10 AGND_AD

1 GND WA202WJ MA202WJ 11 A+5V 11 A+5V 2 FAN_LOCK 12 RST/PDN 12 RST/PDN 3 FAN10V 13 LCH-IN 13 Lch_IN

N0378GE 14 AGND 14 AGND

To-FAN

TO AV SUB (SC2501)

54 GND 54 GND 4 PVDD 4 PVDD

BtoB

AV SUB SC2501

TO AV (P5702)

AV3

TO AUDIO IF (P6001)

TO AV3 (P5708)

AV2

TO AUDIO IF (P6002)

AV2

15 RCH-IN 15 Rch_IN

NA238WJ N1563TA

P6002

1B-RELAY

DGND_AD

TO AV(P3800)

1716 1918151413121110

Page 48

TU-GA1U-S

C 8

l W

TU-GAD

MAIN BLOCK DIAGRAM

U/V-TUNER

INPUT 1

(Component)

INPUT 2

(Component)

INPUT 3 (FRONT)

MONITOR

OUT

TU1101

TU1102

SIF_1

SIF_2

YCVBS

YPbPr(Comp)

CVBS

YPbPr(Comp)

YCVBS

MONITOR_LR

PC_ANALOG

(HDMI)

IC1911

24LC21 EEPROM for AV

PC_DIGITAL

ANALOG_HV

PC_L/R

IC1915 24LC21

EEPROM

for PC

IC1913

24LC2B

EEPROM

for HDMI

INPUT 5 (DVI-I)

INPUT 4

UNIT

IC1912

SII9993

HDMI Receiver

AV SUB

UNIT

CVBS

DVI

UNIT

TUNER

MONITOR

CENTER SP

INPUT

HEAD PHONE

MONO_IN

HDMI_SPDIF

IC2710 AK5381

ADC

IC2502

BH3544F

Head Phone

AMP

IC3800

MM1630AQ

AV SWITCH

Tuner_1 TV IN

Tuner_2 TV IN

V Y/C S/S2

MM1519XQ

COMPONENT

INPUT1 V1

INPUT2 D1

INPUT3 D2

IC1900

SII907

DVI HDCP

SIF_1

SIF_2

SC1_Out

MONITOR MAIN

I2S

RX1

DAC

Video_1

Video_2

Video_3

IC3805(Lch)

IC3812(Rch)

BU4051FV AUDIO SW

IC3801

SWITCH

HDMI_YCbCr

HDMI_HV

IC2501

MSP3440

SC4_IN

D/A

IC2702

AK4586VQ

A/D DIR DAC

MSP

Monitor Out

Pass Out

SC2_Out

TV Main Out

Main Out

Sub Out

SC1_IN

TV Sub Out

RGB SELECTOR

I2S_IN

A/D

I2S

RX2

DAC

Main_Y/V

Main_C

Sub_Y/V

Sub_C

MONITOR_CVBS

Main_L/R

Ycomp/Main

CbCr/Main

Ycomp/Sub

CbCr/Sub

Ycomp/Pass

CbCr/Pass

IC1901

AD8185

HV Sel.T 7WH123

MAIN_LR

IC2706

A899WJN1

EEPROM

IC2700

NJU26150

SOUND DSP

I2S

SOUND DIT

IC2504

NJM4565

IC2709 AK4353

IC2701

NJU26106

VIRTUAL

DOLBY

I2S

Sub_Y/V

Sub_C

CbCr/Sub

Ycomp

DVI_HV

MAIN UNIT

IC401

SM5313

IC501

SM5313

IC3703 SM5301

IC3704

TA1318AF

SYNC Sepa.

Comp

IC3701 TVHC153T SYNC Sel

IC2102 EEPROM

BR24L64F

LPF

IC801

IXA859

SD IN1

SD IN2

AD/DVI/HDMI IN

Diginta

Video S

IC400

Y/V

TC90A92A

3D-YC&Chroma

CbCr

TC90A92A

Y/V2

3D-YC&Chroma

CbCr

RGB

AD9888

IN_1

IN_2

H_SYNC

IC1105 M62320

COMPONENT

Comp

(Main)

IC500

(Sub)

IC3700

A/D

Main_YC 8bit

Main_HV

Main_CLK

Sub_YC 8bit

SUB_HV

Sub_CLK

YCbCr/RGB 24/48bit

AD_CLK

AD_H

AD_V

CN To DIGITAL UNIT

UART

I2C

IC8301/03

A995WJ SDRAM

256Mb*2

IC8101 A817WJ

Main CPU

CPU

UNIT

Cont rol

IC8302

LHF64FA3

FLASH

SLOW BUS

A948WJ

IC8201

CPLD

IC8401

TC6384AF

SD Cont

CARD

UART

TMDS

FRONT

UNIT

87109654321

Page 49

TU-GA1U-S TU-GAD

RGB it

SD IN1

SD IN2

AD/DVI/HDMI IN

IC801

IXA859WJ

Digintal

Video SW

MAIN OUT

SUB OUT

CARD IN

CARD OUT

YPbPr/RGB 24/48bit

HD1,2/VD/CLK

YPbPr/24bit

HD/VD/CLK

YPbPr 8bit

HD/VD/CLK

YPbPr 8bit

HD/VD/CLK

IC7204

DS90CF386

LVDS Rx

IC7205

DS90C385

LVDS Tx

MAIN

SUB

IC3300

IXA091WJ

CVIC

OUT

RGB 24bit

IC3201

LVD823

LVDS Tx

IC3400-03 IXA312WJ

SDRAM

512k*32*4BANK

83.57MHz Xtal

25.175MHz Xtal

IC3105

LVD84B

LVDS Rx

RGB

IC3101

24bit

SII170B

TMDS UNIT

IC3104

UPD4721G

RS232C

Rx/Tx

TMDS Tx

PC CARD

UNIT

TMDS

RS-232C

CARD_UNIT

I2S

IC1001

A869WJN1

CPLD

AUDIO I/F

UNIT

I2C

UART

OUT

Tr.D,C/R circuit

RY6000-01

SPEAKER RELAY SW

1-bit AMP.

UNIT

1bit AMP_UNIT

POWER

UNIT

POWER_UNIT

MAIN SP

OUT

EXT-SPEAKER

OUTPUT

MDR

CN To AV

CN To DIGITAL

CN To POWER

1716 1918151413121110

Page 50

TU-GA1U-S

R E

SBDAT[15:0]

TU-GAD

CPU BLOCK DIAGRAM

P8801(N0569FJ) : Digital Audio out to AV

P9301 (N0567FJ) : PC IF to TMDS

P9001 (N0574FJ) : B-CAS IF to B-CAS

P8901 (NA102WJ) : Analog Rec A/V out to AV

P9751 (N0545FJ) : Power

LNB_PWR

(PQ1CZ41H)

5V(580mA)

BU5V(64mA)

IC9752

(TPS54350)

2.55V(720mA)

A5VT,

30V Gen

(2mA)

A30V

SC5V

IC9755

(PQ1M335M)

3.3V(60mA)

A3V3

VCC(10V , 1.15A)

IC9702

D2V5

IC9756

(PQ015EZ1)

1.5V(344mA)

T1V5

*current : typical

IC9751

(PQ1CZ41H)

3.3V(480mA)

D3V3AV5V,

(TPS54350)

1.58V(1150mA)

(PQ0QDZ1U)

IC9701

D1V5

IC9754

9V(32mA)

AV9V

ICC_DRV_RES ,

N_GATEON

AUDMCLK

I2SDATA,SPDIF,I2SCLK,I2SLRCLK,

AMCLK

ASDO1,ASDO4,ABCKO,ALRCKO

ICC_CMD_VCC,

ICC_CLKDIV2,

ICC_DEFFSET

I2CSCL0,I2CSDA0

I2CSCL0, I2CSDA0

I2CEXT

(BR24L64F)

: EP ROM

IC8453

64Kbit

UATXD1

LOUT_SUB, ROUT_SUB

AMP

/MUTE

L/R

IC8801 (AK4363VF) : Audio-DAC

V_SUB SY_SUB,SC_SB

IC8902 (TK15430V) : Filter 6MHz

N_AUDIORST

DC_SUB

VCR

S level

AUDMUTE

VCRS1SEL[1:0]

Level

REC_MUTE

Y,C

(TK15420)

STCCLKO,ASDO0,

ABCKO ,ALRCKO

AMCLK

Cont

IC8901

AMP

VCRYO

VCRCO

N_COLD

N_RES

SBDAT[

N_SB

T_SYNC_INT

INTCN_T,

INTTMCC_T

INTCN_1B, INTTMCC_1B,

TS0_EN,

TU8001

(SA007WJ)

: BS Tuner

INTEWS_1B

N_UARTS0

MDM_TXD0

N_MDMRST

MDM_DTR

MDM_DCD

IC9601

(A700WJ)

: HS Modem

28.22 MHz

TS1_PKTSYNC,

20.467 MHz

TS1_CLK,

TS1_ERR,

TS1_EN,

TS1_DATA

IC8053

(A554WJ)

: OFDM

N_DEMORST

TS0_PKTSYNC,

TS0_DATA

I2CSCL0,I2CSDA0

TS0_CLK, TS0_ERR,

IC9602

AGC_IF

TU8051

(TA008WJ)

: T Tuner

SDA_T, SCL_T

(A701WJ)

: DAA

AGC_RF,

IF_OUT_T

J9601

(Z1050CE)

: Modem

Con

N_T_INT

N_BS1_INT

BS1_SYNC_INT

N_SBACK

SD_MCLK

SBADD[8:1],N_SBOE,N_SBWE

N_SD_RST,N_SDCS

SBDAT[15:0]

IC8701

(TC6384AF)

: SD Card Control

SC8701

(ZA050WJ)

: SD Card

Slot

SD_PWR

N_FLCS2,N_FLOE,FLADD22,N_FLRST

SBADD[21:1],N_SBWE

SBDAT[15:0]

IC8454

(LHF64FA3)

: Flash 64Mbit

SBADD[21:1],N_SBWE

FL_VPP0

N_FLCS[1:0],N_FLOE,FLADD22,N_FLRST

IC8451

(LHF12F

: Flash 128

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out

EL[1:0]

Level

Cont

REC_MUTE

IC8901

(TK15420)

AMP

CLKO,ASDO0,

KO,A LRCKO

AMCLK

VCRYOUT,

VCRCOUT

N_COLDRST,

N_RESET

SBDAT[15:0]

N_SBACK

VIDINDATA[7:0], VIDINCBCR[7:0],

VIDINCLK,

VIDINH,

VIDINV

Video

RST

DigitalVide

In/Out

Rec

Out

Audio

Out

Slow Bus

P9201 (MA160WJ)

:Digital Video in/out IF to MAIN

DOUTY[9:2],DOUTPB[9:2], DOUTCLK,HDOUT,VDOUT

X8202

STC0PWM

27MHz

IC8201

(A569WJ)

IC8202

(A570WJ)

: CLK-Gen

DCLKI54M, STC0CLKI, DCLKI74M

STC/ PLL

IC8101 (A896WJ)

: CPU & AV Decoder

CPLD_INT

TUNER_INT

IRQ[0~5]

N_INTA

N_MAIN_INT[1:0]

N_LINK_IRQ

N_SRESET

I2CSCL1,I2CSDA1

I2CSCL0,I2CSDA0,

PIO

I2C

UAR

T[0~3

]

DDR

N_GATEON

N_SBCE7,

N_SBWE,N_SBOE

LED

UARXD0,

N_UACTS0

UARXD1

UARXD2

UARXD3

SDMD[63:0],

SDDQS[7:0]

SDAD[12:0],SDCLK[1:0], SDBCLK[1:0],SDCKE, N_SDCS0,N_SDRAS, N_SDCAS,N_SDWE, SDDM[7:0],SDBA[1:0]

P9302 (MA159WJ)

:Main Bus IF to MAIN

SBDAT[15:0]

SBADD[25:1],SBCLK0

N_HOST_CE1

N_SRESET,

RS_ON

TXD,

RXD

UATXD2

UATXD3

IC8301~8304

(A221WJ)

: DDR SDRAM

256Mbit * 4

LNBCONT

UATXD_A,

UARXD_A

TMPOUT

I2CEXT

thermistor

I2CSCL0_B,

I2CSDA0_B,

I2CSCL1_B, I2CSDA1_B

N_FPI2CEN

I2CSCL0, I2CSDA0, I2CSCL1, I2CSDA1

TU-GA1U-S TU-GAD

N_EXT_RST

SBDAT[15:0]

FA3)

4Mbit

SBADD[21:1],N_SBWE

FL_VPP0

N_FLCS[1:0],N_FLOE,FLADD22,N_FLRST

SBDAT[15:0]

IC8451

(LHF12F01)

: Flash 128Mbit

N_PCIRST

ICC_INT

N_SD_INT

PCI Bus

MDM_RXD0

UATXD0

VM_SDI_RXD0

IC9101

(A885WJ)

: CPLD

CLK33M,

USBCLK48M

SBDAT[7:0]

N_SBACK

TS0 TS1 TS2

CLK

CLK33MB

SBCLK1,N_SBWE,N_SBOE

SBADD[24:21,5:1], N_SBCE[7:4,1:0],

N_EXT_BOOT,

EXT_RDY, CBOOTS,

PM_REQ

N_SRESET

Reset

TS2CLK,TS2ERROR,

TS2VALID,

TS2SYNC,TS2DATA

N_SBACK

SBDAT[15:0]

N_SBCE3,N_SBOE,

N_LINK_STANDBY

N_SBWE,SBADD[15:1]

IC8501

(MN864610)

: IEEE1394 Link

N_PHY_RESET

LINK_POWER

IC8504

(1782GE)

: PHY

J8502,J8501 (Z1055CE)

: i-LINK Con

TSOU

TSOUTCLKO, TSOUTVALID, TSOUTSYNC, TSOUTDATA[7:0]

N_LINK_RESET

24.576 MHz

PCIAD[31:0],PCICKO,

N_FRAME,N_GNT0,N_DEVSEL,

N_REQ0,N_CBE[3:0],N_TRDY,

N_STOP,N_PERR,N_PME,IDSE

PAR,N_IRDY,N_SERR

N_FONTCS,N_FLOE

SBADD[22:1],N_SBOE

SBDAT[15:0]

IC8601(A360WJ)

: Font ROM

64Mbit

MHz

(A751WJ)

: Ether Cont

(ZA013WJ)

: Ether Con

IC9802

J9801

N_PCIRST

N_VM_CS,VM_CLK,VM_SDO_TXD0,N_VM_NMI

VM_SDI_RXD0,N_VM_BUSY

IC9003 (A911WJ ) :V-MOUSE

4MHz

J9001(A0054CE)

: V-mouse

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TU-GA1U-S TU-GAD

POWER BLOCK DIAGRAM

AC POWER SUPPLY

CN701 F701 L701 L702 L705 F702 D704 T701 L901 IC901,902 AC(L) AC(N)

1 LINE LINE LINE BRIDGE SWITCING CHOKE COIL BU+5V 2 FILTER FILTER FILTER RECTIFIER TRANS REGULATER

AVC MAIN POWER

RY701

IC701 AC-DC PC701 CONTROLLLER VOLTAGE

Q701,702 PC702 Q901 RELAY DRIVE RELAY DRIVE PS_ON TRANSISTOR CONTROL

FEED BACK

D901

(BU+5V)

(PS_ON)

D708 L703 L704 T702

BRIDGE RECTIFIER

CHOKE COIL

PFC CONVERTOR SWITCING TRANS D709 TRANS

IC702 Q705 TEMPERATURE FUSE MOS-FET PFC CONTROL MOS-FET IC

PC705 Q905,906 AC DETECTOR AC DETECTOR

D913 TRANSISTOR

F703 Q706

IC703 PC703 AC-DC VOLTAGE CONTROLLLER FEED BACK

PC704 O.V.P. PROTECTOR

AVC SUB POWER

(UR+10V)

P1790 IC1706 ZD1708

S-VCC +15V S-VCC +15V AC_DET UR+10V UR+10V UR+10V PS_ON BU+5V

P1791 1CH UP D1706

S-VCC GND 1 Q1702 L1704 S-VCC GND 2 OUT2 4PIN MOS-FET O.V.P. 3 D1717 D1704 UR GND 4 UR GND 5 Q1701 L1703 UR GND 6 OUT1 2PIN MOS-FET CHOKE COIL BU GND 7 D1702

PI UR+10V L1707 D1711 ZD1705

1 2 3 L1701 D1701 Q1705 4 5 6 Q1704 L1706 7 3PIN PVCC1(CH1,2) OUT4 9PIN MOS-FET 8 8PIN PVCC2(CH3,4,5) IC1701 D1708

CHOKE COIL

32PIN VCC OUT5(UP) 12PIN MOS-FET

5CH SWITHING REGULATER CONTROLLER Q1703 L1705 4CH DOWN OUT3 7PIN MOS-FET CHOKE COIL

REGULATER

CHOKE COIL D1712

STB1 48PIN

ON/OFF

STB2,3 47PIN

LOGIC

STB4 46PIN STB5 45PIN

(UR+35V)

CHOKE COIL

IC951 L951 DC-DC CHOKE COIL

CONVERTER ZD951

Q951 ON/OFF CONTROL

IC952 L952 DC-DC CHOKE COIL CONVERTER ZD952

Q954 ON/OFF CONTROL

D952

D956

D953

D957

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TU-GA1U-S

)

TU-GAD

(BU+5V)

TER

(PS_ON)

L PI

T702 L902 4 SWITCING TRANS 6

T MOS-FET

PC703 VOLTAGE DRIVER ZD904 FEED BACK 3

PC704 O.V.P. Q904 D911 7 PROTECTOR

0V)

5V)

L1706 Q1719 9 CHOKE COIL D1708 ZD1704 D1710 11

COIL P1751

L1704 2 CHOKE COIL

D1717 D1704 ZD1702

COIL 1

COIL 5

ZD951 6 D953 7

D903

Q902 L904 Q907 L903 8

IC904 IC903 IC905 Q907 ZD905 PJ SYNCRONOUS RECTIFY REGULATER

DIGITAL TRANSISTOR O.V.P. DETECTOR

(BU+5V)

(S-VCC)

IC1704 6 FET SW 7

MOS-FET 10

D1709 12

ZD1703 PK D1707 1

D1705 P1701

ZD1701 2 D1703 3

D912

CHOKE COIL

(PLG_CK)

(DC+9V OUT)

(D+5V)

(D+3.3V)

(D+1.8V)

(D_POW)

(PS_ON)

(CPU10V)

(O.V.P.)

MOS-FET (HIGH-SIDE)

SYNCRO-BACK TYPE MOS-FET (LOW-SIDE) D915 1 REGILATER CONTROL

IC906 D916 4 COMPARATOR 5 SHUT-DOWN CONTROL

CHOKE COIL

(S-VCC +15V

(UR+10V)

(O.V.P.)

CN904

DC+9V OUT

GND

PLG_CK

CN901

S-VCC +15V

AC_DET

UR+10V UR+10V

UR+10V PS_ON

BU+5V

CN902

S-VCC GND S-VCC GND

O.V.P. UR GND UR GND UR GND

BU GND

P1752

PA TO AV

UR+35V

GND

UR+10V

GND UR+6V GND

BU+5V S-GND S-VCC S-VCC

DC+9V OUT GND PLG_CK

PF TO MAIN

UR+10V OVP GND GND

BU+5V

PS_ON

UR+6V

D_POW

D+3.3V

GND

D+3.3V

P1703

PB TO MAIN

D+5V

GND

D+1.8VCV

GND

P1702

PG TO MAIN

AC_DET

GND

ADJ3.3V UR+6V ADJ1.8V

CN903

AVC MAIN POWER

COIL MOS-FET

ZD952 P1781 D957 DP TO CPU

Q952

Q953 1 ON/OFF 2 CONTROL 3

(UR+6V)

(D_POW)

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4 5 6 7 8 9

NC NC GND GND BU+5V GND CPU10V CPU10V GND

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TU-GA1U-S TU-GAD

DESCRIPTION OF SCHEMATIC DIAGRAM

VOLTAGE MEASUREMENT CONDITION:

1. Voltages at test points are measured on exclusive AC adapter or the stable supply voltage of AC 110240V. Signals are fed by a color bar signal generator for servicing purpose and the above voltages are measured with a 20k ohm/V tester.

INDICATION OF RESISTOR & CAPACITOR:

RESISTOR

1. The unit of resistance “Ω” is omitted. (K=kΩ=1000 Ω, M=MΩ).

2. All resistors are ± 5%, unless otherwise noted. (J= ± 5%, F= ± 1%, D= ± 0.5%)

3. All resistors are 1/16W, unless otherwise noted.

4. All resistors are Carbon type, unless otherwise noted.

C : Solid S : Oxide Film T : Special N : Metal Coating

CAPACITOR

1. All capacitors are µF, unless otherwise noted. (P=pF=µµF).

2. All capacitors are 50V, unless otherwise noted.

3. All capacitors are Ceramic type, unless otherwise noted.

(ML): Mylar (TA): Tantalum (PF): Polypro Film (ST): Styrol

: Cement

CAUTION:

This circuit diagram is original one, therefore there may be a slight difference from yours.

IMPORTANT SAFETY NOTICE:

PARTS MARKED WITH “å” ( ) ARE IMPORTANT FOR MAINTAINING THE SAFETY OF THE SET. BE SURE TO REPLACE THESE PARTS WITH SPECIFIED ONES FOR MAINTAINING THE SAFETY AND PERFORMANCE OF THE SET.

AVIS DE SECURITE IMPORTANT:

LES PIECES MARQUEES “å” ( )SONT IMPORTANTES POUR MAINTENIR LA SECURITE DE L'APPAREIL. NE REMPLACER CES PIEDES QUE PAR DES PIECES DONT LE NUMERO EST SPECIFIE POUR MAINTENIR LA SECURITE ET PROTEGER LE BON FONCTIONNEMENT DE L'APPAREIL.

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SCHEMATIC DIAGRAM

FRONT Unit

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AV SUB Unit-1/2

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AV SUB Unit-2/2

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TMDS Unit

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PC CARD Unit-1/4

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PC CARD Unit-2/4

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PC CARD Unit-3/4

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PC CARD Unit-4/4

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DVI Unit-1/2

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DVI Unit-2/2

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CPU Unit-1/5

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CPU Unit-2/5

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CPU Unit-3/5

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CPU Unit-4/5

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CPU Unit-5/5

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MAIN Unit-1/13

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MAIN Unit-2/13

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MAIN Unit-3/13

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MAIN Unit-4/13

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MAIN Unit-5/13

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MAIN Unit-6/13

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MAIN Unit-7/13

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MAIN Unit-8/13

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MAIN Unit-9/13

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SHARP TUGA1US Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual