312278512510

8/9/2019 312278512510

1/15

Colour Television

15PF9925/12S/19SAA

Contents Page

Block diagram

Description of controls

Adjustment Instructions

Troubleshooting

Exploded View

Exploded View Parts List

Replacement Parts ListCircuit diagram, Printed Board Lay-out

8/9/2019 312278512510

2/15

Tuner & IF

- TAUC-S120D- TAFC-M130D

- TAFC-Z140D

AudioProcessor

- MSP3410D

Ext- L

Micro-Controller

- INFINEON ( SDA55XX )

L

LCD

< LCD TV System Block Diagram >

VideoDecorder

- VPC3230D

Video Scaler

- MX88L284

ComputerSignal

- D-Sub

R/G/B

H/V

D-R/G/B,H / V -Sync,Den, Clock

FromComputer

OSD -ICMC141585

CVBS

Audio-Amp

LA4282 R

Ext- R

SIF

For MNT Application

LM151X3 - 8-bits

1H/1V

A to D Converter

- AD9884

For PC Input- Contrast- Brightness- Color

Ext_Video Ext_Y/C

OSD B/R/G/B

Scart RGBFor TV. Contrast. Brightness. Color. Tint

CVBS For TXT

AM

Interface

- TMDS (8bits)21 pin

RGB SwitchingTDA8601

Y / Cb / Cr

RGB in

Back LightInverter Assy

CVBS OUT

8/9/2019 312278512510

3/15

DESCRIPTION OF CONTROLS

MENU OK

PV

5

1 32

4 6

7 98

00 LIST

h

f g

c

b

U

e k

C

a D

BM

AUTO AUTO

w

Y-Z

w SourceSelect your computer or otherperipherals: press repeatedly toselect TV, AV1, AV2, S-VIDEOor PC monitor mode.

X Bilingual choice andsound mode selectionPress this key to switch from Stereo to

Mono sound in case ofstereo t ransmission,or fromNicam Stereo to NicamMono, in case of digitaltransmission

to switch from Nicam DualY to Nicam Dual Z orNicam DualX in case ofNicam Dual transmission

to choose between Dual Y,Dual Z or DualX in caseof bilingual transmission:Dual Y sends the primarybroadcast language to the

loudspeakers;Dual Z sends the secondarybroadcast language to theloudspeakers;DualX sends a separatelanguage to each loudspeaker.

Note: in case of weak stereosound signals, with stereo orNicam stereo transmission, select

mono reception.

Sound output selection in AV mode

In AV mode,you can select the output sound for the left and right loudspeakers.Press theX key repeatedly to select: L+R: the audio signal from the audio L input is sent to the left loudspeaker the audio signal

B StandbySwitches the TV on fromstandby or off to standby.

AUTO keys

To select predefined pictureand sound settings.

a AUTO pictureEach time it is pressed,adifferent picture setting isselected,corresponding withspecific factory settings ofContrast, Brightness, Colour

and Sharpness.

M AUTO soundEach time it is pressed,adifferent sound setting isselected,corresponding withspecific factory settings oftreble and bass.

Personal refers to the personalpreference settings of pictureand sound selected and storedin the picture and sound menu.

8/9/2019 312278512510

4/15

B

Ma

A UT O A UT O

w

Y-Z

C

h

f g

c

b

e k

U

D

1 2

9

3

65

7

4

8

0 0 LIST

MENU OK

PV

V VolumePress + or - to adjust thevolume.

MuteTemporarily interrupt thesound or restore it.

P Programme selection to browse through the TV

channels which are notskipped

to switch the TV on fromstandby.

Video

recorder keys

U Time displayThe time,downloaded from theTV channel (with teletextbroadcast) stored onprogramme number 1 or thelowest not skipped programmenumber, is displayed on the

screen.

0/9 Digit keysTo select a TV channel.

0 Previous programmeTo display the previouslyselected TV channel.

LIST Programme listTo display the programme list.

b Teletext on/off

Teletext functions

hUfgcek

D SleeptimerWith this key you can set atime period after which theTV should switch itself tostandby.

Press the key repeatedly toselect the number of minutes.

The counter runs fromB 0,10, 20, 30... to 240 minutes.The timer begins to countdown from the number ofminutes selected.Note:To view the remaining time,press theD key once.To cancel

the sleep t ime, repeatedly presstheD key untilB 0 appears.

MENU Press repeatedly todisplay each menu.

OK Press this key to activateyour choice,when in the menus.

8/9/2019 312278512510

5/15

Should your remote control be lost or broken you can still operate your TV with the keysin front of the TV.

ON/OFF: Press the power ON/OFF key to switch the TV on or off

TV/VIDEO: Press repeatedly to select TV, AV or PC monitor mode

MENU: Press repeatedly to display each menu

OK: - Press this key to activate your choice when in the menu- Auto demonstration: Keep the OK key pressed for about 10 seconds.All the menus are being displayed automatically one after the other.To stop Auto demonstration, press any key on the front panel.

- VOL + : - Press - or + to select a menu item;- Press - or + to adjust the volume;- Press - or + to adjust the menu settings.

- CH/PR +:- Press - or + to browse through the TV channels which are not skipped;- Press - or + to select a menu item;- To switch the TV on from standby.

B: Switches the TV on from standby or off to standby.TheB indicator lights up brightly when the TV is in standby, dims when the TV isswitched on.

TV/VIDEO MENU OK VOL CH/PR_ + _ + B ON /OFF

8/9/2019 312278512510

6/15

1. Application ObjectThis instruction is for the application to the LCD TV.

2. Notes

(1) This set uses an adapter, so connect the adapter and the

set correctly before adjustment.(2) The adjustment must be performed under the correct

sequence.

(3) The adjustment must be performed in the circumstance of

25!5cC of temperature and 6510% of relative humidity if

there is no specific designation.

(4) The input voltage of the receiver must keep 220V, 60Hz in

adjusting.

(5) The set must be operated for 30 minutes preliminarily

before adjustment if there is no specific designation.

[ Heat Run must be performed with the full white signal or TV

noise signal in the internal part of the set.

[ The time for Heat Run can be changed owing to production

plan.

3. PC Input Mode Adjustment

3-1. Required Test Equipment(1) A pattern generator being in proportion to VG819 ; Pattern

of 64 tones

(2) A remote control

3-2. Preparation for Adjustment(1) Perform Heat Run for more than 30 minutes in white

pattern.

(2) Connect the signal of pattern generator with LCD TV.

(3) Lean the set 45backward. (Adjustment is easy.)

ADJUSTMENT INSTRUCTION

45

R

0.63 0.34

0x02

G

0.30 0.60

0x03

B

0.14 0.10

0x04

Error

! 0.03

Register

Color Coordinates(x,y)

AD9884

8/9/2019 312278512510

7/15

3-4. Position of Mode Adjustment

Timing of Mode Table * H[dot]/V[line]

Mode

H_Total

H_Display

H_Blanking

H_Sync

H Polarity

H_Bp

H_Fp

H-Freq[KHz]

/Clk[MHz]

V_TotalV_Display

V_Blanking

V_Sync

V Polarity

V_Bp

V_Fp

VGA-60

800

640

160

96

NEG.

48

16

31.469

25.175

525480

45

2

NEG

33

10

VGA-67

864

640

224

64

NEG.

96

64

35.0

30.24

525480

45

3

NEG

39

3

VGA-72

832

656

176

40

NEG.

120

16

37.861

31.5

520496

24

3

NEG

20

1

VGA-75

840

640

200

64

NEG.

120

16

37.5

31.5

500480

20

3

NEG

16

1

VGA-85

832

640

192

56

NEG.

80

56

43.269

36.0

509480

29

3

NEG

25

1

TEXT-70

900

720

180

108

NEG.

54

18

31.469

28.324

449400

49

2

POS

34

13

SVGA-56

1024

800

224

72

POS

128

24

35.156

36.0

625600

25

2

POS

22

1

SVGA-60

1056

800

256

128

POS

88

40

37.879

40.0

628600

28

4

POS

23

1

SVGA-72

1040

800

240

120

POS

64

56

48.077

50.0

666600

66

6

POS

23

37

Mode

H_Total

H_Display

H_Blanking

H_Sync

H Polarity

H_Bp

H_Fp

H-Freq[KHz]

SVGA-75

1056

800

256

80

POS

160

16

46.875

SVGA-85

1048

800

248

64

POS

152

32

53.674

XGA-60

1344

1024

320

136

NEG

136

160

48.363

XGA-70

1328

1024

304

136

NEG

144

24

56.476

XGA-75

1312

1024

288

96

POS

176

16

60.23

MAC-75

1152

832

320

64

NEG

224

32

49.725

8/9/2019 312278512510

8/15

1 Soft touch doesnt Defective speaker wire 1) Make some space between the speaker wire and

function properly and inverter wire the Soft touch Board by sticking the speaker wire

to the guide hole of the cabinet.

2) Arrange working state of A1. Tape in the inverter wire

and correct working state of the Shield case.2 Soft touch doesnt 1) Broken components and 1) Check Soft touch with eyes

function soldering of them Check and repair soldering

2) P101 connector error 2) Check and repair the P101 connector

3 No screen Input error of inverter connector 1) Bend the pin legs of P801 connector -> recheck them

2) Check and repair the IC801,802 SI4925

P502 and Pin 21 connector 1) Check and fix P502 connector

being slipped out 2) Check and fix the components at P502 LCD module

and at main board.

3) Check Pin21.

Cracked components and 1) Check and repair tuner board and main board

soldering at tuner board 2) Solder Q403, Q402 and C153

4 Dark screen 1) Defective LCD lamp 1) Replace the inverter

2) Defective inverter 2) Replace the LCD lamp

3) Input error of inverter connector 2) Check the connector input.

5 Broken OSD display Defective the font rom of IC501 Check and replace the font rom of IC501

TROUBLESHOOTING

1. General Features

2. PC Mode

No. Symptom Cause Check Point

No. Symptom Cause Check Point

6 Screen noise Clock or phase being 1) Resettig is needed according to the video card of each

not able to be adjusted PC

2) Horizontal noise : adjust phase until no horizontal

noise occurres

3) Vertical noise : adjust clock in menu until no vertical

noise occurres

7 Screen position error Screen position error 1) Play the Auto Configure in Menu.

horizontally or vertically 2) Adjust horizontal and vertical position until the screen

displayes normally

8 Color beat noise Soldering AD converter Recheck adn repair AD9884

or making it short

8/9/2019 312278512510

9/15

EXPLODED VIEW

300 121

120

174

112

540

520

550

521

541

A4

400430

420

410

530

310

560

330

8/9/2019 312278512510

10/15

8/9/2019 312278512510

11/15

REPLACEMENT PARTS LIST

LOCA. NO PART NO DESCRIPTION

ZD415

ZD416

ZD417

ZD418ZD419

ZD420

ZD421

ZD423

ZD430

ZD431

ZD432

IC506

IC801

IC802

IC805

IC806

IC807

IC808

Q103

Q105

Q106

Q107

Q108

Q111

Q112

Q113

Q114

Q115Q301

Q302

Q402

Q403

Q501

Q502

0DZRM00178A

0DZRM00178A

0DZRM00178A

0DZRM00178A0DZRM00178A

0DZRM00178A

0DZRM00178A

0DZRM00178A

0DZRM00178A

0DZRM00178A

0DZRM00178A

0TFVI80005A

0TF492509AA

0TF492509AA

0TF993609AA

0TF941009AA

0TF993609AA

0TF941009AA

0TR387500AA

0TR387500AA

0TR387500AA

0TR387500AA

0TR150400BA

0TR387500AA

0TR387500AA

0TR387500AA

0TR387500AA

0TR387500AA0TR387500AA

0TR387500AA

0TR150400BA

0TR150400BA

0TR387500AA

0TR387500AA

DIODE,ZENER UDZS TE-17 5.1B ROHM



DIODE,ZENER UDZS TE-17 5.1B ROHMDIODE,ZENER UDZS TE-17 5.1B ROHM







TR,VISHAY SI4963DY R/TP SO-8 -20V

FET,SI4925DY TP TEMIC 30V 6.1A SO

FET,SI4925DY TP TEMIC 30V 6.1A SO

FET,SI9936DY TP TEMIC 30V 5A SO-8




TR,CHIP 2SC3875S(ALY) KEC




TR,CHIP 2SA1504S(ASY) KEC





TR,CHIP 2SC3875S(ALY) KECTR,CHIP 2SC3875S(ALY) KEC





TR CHIP 2SC3875S(ALY) KEC


IC101

IC102

IC103

IC104

IC105

IC106

IC107

IC108

IC109

IC201

IC202IC301

IC401

IC402

IC501

IC502

IC503

IC505

IC507

IC601

IC602

IC603

IC604

IC605

IC803

IC804

IC809

Q109

Q110

D101

D102

D603

0IZZVC0009E

0IAL241610B

0ISH323422A

0IFA752700A

0IKE780500Q

0ISA721700C

0IPH860100B

0IKE780800J

0IKE780900N

0IAD988400A

0ISH323422A0IIT323000C

0IPH740800M

0IAL242110A

0IMR882840C

0ISS416162B

0ISS416162B

0ICTMMO003A

0IS5100000B

0IIT341050A

0IKE780500Q

0IKE704200J

0IKE780800J

0ISA428200A

0IKE780500Q

0ITC786000A

0IKE780900N

0IFA270000A

0IFA270000A

0DD181009AB

0DD181009AB

0DD181009AB

IC,SDA555X 52P ST U-COM RE,RT-15L

IC,AT24C16-10PC-2.7 8PIN DIP ST E

IC,PQ3RF23 4P(TO-220) 3.3V REGUL

IC,KA75270Z 3 TP RE-SET IC MC-007

IC,KIA7805API 3P TO-220 ST REGULA

IC,LA7217M MFP14 TP SYNC SEPARATO

IC,TDA8601T 16P-SOP BK FAST BLANK

IC,KIA7808API 3 ST REGULATOR .

IC,KIA7809AP 3 ST REGULATOR .

IC,AD9884 100P MQFP BK A/D CONVER

IC,PQ3RF23 4P(TO-220) 3.3V REGULIC,VPC3230D-QA-B3 80P PQFP BK COM

IC,74F08D 14P SOIC R/TP QUAD 2-IN

IC,AT24C21-10SI-2.5 8P,SOP TP 1K

IC,MX88L284AEC 208P QFP TRAY SCAL

IC,K4S161622D-TC80 50 TSOP BK SDR

IC,K4S161622D-TC80 50 TSOP BK SDR

IC,SC786107DWR2 MOTOROLA 16 SOP R

IC,SIL100 64P,TQFP TP ES3.51 TRAN

IC,MSP3410D-QA-C5 80PIN TP SOUND


IC,KIA7042AF SOT-89 TP 4.2V VOLTA

IC,KIA7808API 3 ST REGULATOR .

IC,LA4282 12S 2CHX10W AUDIO AMP


IC,SI786 28SSOP TP DUAL-OUTPUT PO

IC,KIA7809AP 3 ST REGULATOR .

IC,2N7000TA TO-92, 3P TP LEVEL SH

IC,2N7000TA TO-92, 3P TP LEVEL SH

DIODE,SWITCHING CHIP KDS181 85V 300MA



IC

DIODE

TRANSISTOR

8/9/2019 312278512510

12/15


C125

C127

C131

C133

C134

C137

C140

C141

C146

C153

C156

C211

C307

C311

C317

C318

C319

C320

C327

C328

C329

C342

C404

C409

C410

C418

C544

C586

C587

C595

C597

C601

C602C613

C619

C621

C622

C623

C625

0CE106DK618

0CE107DF618

0CE107DF618

0CE475DK618

0CE476DF618

0CE105DK618

0CQ5631N409

0CE106DF618

0CE476DF618

0CE227DF618

0CE227DF618

0CE107DF618

0CK224DF56A

0CK224DF56A

0CE1053K616

0CE1053K616

0CE1053K616

0CE1053K616

0CK224DF56A

0CK224DF56A

0CK224DF56A

0CK224DF56A

0CE227DF618

0CE226DF618

0CE226DF618

0CE225DK618

0CE687DD618

0CE477DF618

0CE687DD618

0CE687DD618

0CE687DD618

0CE107DF618

0CE107DF6180CE476DF618

0CE107DF618

0CE106DF618

0CE106DF618

0CE107DF618

0CE335DK618

10UF STD 50V M FL TP5



4.7UF STD 50V 20% FL TP 5



0.0560UF 100V J PE TP






220000PF 2012 16V 10% R/TP X7R

220000PF 2012 16V 10% R/TP X7R

1UF SRE 50V M FL BP(D) TP




220000PF 2012 16V 10% R/TP X7R

220000PF 2012 16V 10% R/TP X7R

220000PF 2012 16V 10% R/TP X7R

220000PF 2012 16V 10% R/TP X7R





680UF STD 10V 20% FL TP 5






100UF STD 16V M FL TP547UF STD 16V M FL TP5





3 3UF STD 50V 20% FL TP 5


C649

C650

C652

C801

C804

C805

C811

C812

C813

C816

C819

C821

C822

C823

C824

C825

C826

C958

C959

C1101

L414

L415

L416

L805

L806

L807

L1101

T801

R443R444

SW1101

SW1101

SW1102

0CE225DK618

0CE227DF618

0CQ1031N509

0CE337DF618

0CE476DF618

0CE227DF618

0CE107DF618

0CE107DH618

0CE107DF618

0CE475DK618

0CE475DK618

0CE687DD618

0CE477DF618

0CE477DF618

0CE477DF618

0CE476DK618

0CE687DD618

0CE687DD618

0CE687DD618

0CE107DD618

0LA0122K119

0LA0272K119

0LA0122K119

6140VB0004A

6140VB0004B

6140VB0004B

0LA0222K119

6170VTCA30A

0RD1200H6090RD1200H609

140-313A

6600VM1001A

140 313A



0.01U 100V K POLY TP


















INDUCTOR,12UH K 2.3*3.4 TP



COIL,CHOKE 9.5UH 1UEWPHY 13.5TURN YL-9N 0

COIL,CHOKE 26UH 1UEWPHY 22.5TURN YL-9N 0.

COIL,CHOKE 26UH 1UEWPHY 22.5TURN YL-9N 0.


TRANSFORMER,SMPS EPC 13-Z 320UH DC-DC CONV. SI-

120 OHM 1/2 W 5.00% TA52120 OHM 1/2 W 5.00% TA52

SWITCH,TACT 2LEAD 100G(TA) LG C&D NON

SWITCH,SDKLA1 ALPS UL/CSA 250V 5A VER

SWITCH TACT 2LEAD 100G(TA) LG C&D NON

For Capacitor & Resistors, thecharactors at 2nd and 3rd digitin the P/No. means as follows;

CC, CX, CK, CN : CeramicCQ : PolyestorCE : Electrolytic

RD : Carbon FilmRS : Metal Oxide FilmRN : Metal Film

RF : Fusible

RESISTOR

SWITCH

COIL & TRANSFORMER

8/9/2019 312278512510

13/15


L202

L401

L402

L403

L405

L406

L407

L408

L410

L411

L412

L413

L502

L503

L504

L505

L506

L519

L601

L602

L603

L604

L801

L802

L803

L804

L809

L810

LA501

LA502

LA503

LA504

LA505LA506

LA507

LA508

LA509

LA510

LA511

6210TCE001A

6210TCE001E

6210TCE001G

6210TCE001G

6210TCE001E

6210TCE001E

6210TCE001E

6210TCE001E

6210TCE001E

6210TCE001E

6210TCE001E

6210TCE001E

6210TCE001A

6210TCE001A

6210TCE001G

6210TCE001G

6210TCE001G

6210TCE001E

6210TCE001G

6210TCE001G

6210TCE001G

6210TCE001G

6210TCE001G

6210TCE001G

6210TCE001G

6210TCE001G

6210TCE001G

6210TCE001G

6210VC0004A

6210VC0004A

6210VC0004A

6210VC0004A

6210VC0004A6210VC0004A

6210VC0004A

6210VC0004A

6210VC0004A

6210VC0004A

6210VC0004A

FILTER,EMC HB-1S2012-080JT 2012MM

FILTER,EMC HB-1M2012-800JT 2012MM

FILTER,EMC HH-1M3216-501 3216MM R


























FILTER,EMC BK3216 4S600 TAIYOYUDEN




FILTER,EMC BK3216 4S600 TAIYOYUDENFILTER,EMC BK3216 4S600 TAIYOYUDEN





FILTER EMC BK3216 4S600 TAIYOYUDEN


LA525

R540

RA507

T101

T102

X101

X301

X501

X502

X601

A1

A2

A4

J401

J402

J403

J801

P1101A

P1102

PA1101

TU301

6210VC0004A

6210TCE001E

6210VC0004A

166-C06B

166-C06A

156-A01L

6202VDB007B

6202VDT002B

166-E02F

156-A02M

3828VA0294M

6710V00044L

6634VBW002J

6630VGA001B

381-091A

6613V00008A

6612VAH001A

366-922F

366-921F

6726VV0006D

6700VPF014B

6700VPF014C


FILTER,EMC HB-1M2012-800JT CERATEC 2012MM

FILTER,EMC BK3216 4S600 3.2X1.

FILTER,BAND PASS MKTGA41M4AAHP00A03

FILTER,BAND PASS MKTGA40M9AAHP00A03

RESONATOR,CRYSTAL HC49U 6.000MHZ 30

RESONATOR,CRYSTAL HC49U 20.250MHZ

RESONATOR,CRYSTAL SX-1SMD 14.318MHZ

RESONATOR,CRYSTAL CSBLA500KECZF09-B0

RESONATOR,CRYSTAL HC49U 18.432MHZ 30P

MANUAL,OWNERS PL/SPEC LG PL/EN 044L T

REMOTE CONTROLLER W/TXT.34KEY

ADAPTER,RF 12VOLT

CONNECTOR,D-SUB 68114-1522 15PIN 2.2

SOCKET,S-091A 21PIN H

JACK ASSY,PMJ014A E/P(ST

JACK,PHONE HEC3900-010110

CONNECTOR,2.5MM 7P GIL-G LG CABLE

CONNECTOR,2.5MM 7P GIL-G LG CABLE .

REMOTE CONTROLLER RECEIVER 38.0KHZ

TUNER,TAFC-M130D

TUNER,TAFC-S120D

MISCELLANEOUS

ACCESSORIES

For Capacitor & Resistors, thecharactors at 2nd and 3rd digitin the P/No. means as follows;

CC, CX, CK, CN : CeramicCQ : PolyestorCE : Electrolytic

RD : Carbon FilmRS : Metal Oxide FilmRN : Metal Film

RF : Fusible

8/9/2019 312278512510

14/15

PRINTED CIRCUIT BOARD

MAIN(TOP)

CTL(TOP)

CTL(BOTTOM)

TUNER(TOP)

TUNER(BOTTOM)

MAIN(BOTTOM)

8/9/2019 312278512510

15/15

Service Sheet of MF-004A

P/N : 3854VA0077A-S

DATE : 2000.10.02

312278512510

Documents

Transcript of 312278512510