Beko 23WL46G, 30WL46G Schematic

23WL46G 30WL46G

L6B TFT- LCD TV

SERVICE MANUAL

CONTENTS

PAGES

Safety instructions

Technical specifications

Panel Specification

Back appearance of TV

Interconnectıon Diagram

Block diagram

Block diagram of power supply

Service mode

Service Mode items and values

Data sheet of important IC’s and parts

1

2

3

5

5

6

7

8

10

11

Recommended Part List

Frequency list of channels

23

25

SAFETY PRECAUTIONS

GENERAL GUIDELINES

1. It is advised to insert an isolation transformer in the

AC supply before servicing a hot chassis.

2. Always use the manufacturer’s replacement safety

components. The critical safety components marked

with on the schematics diagrams should not be
by other substitutes. Other substitute may create the
electrical shock , fire or other hazards. Take
attention to replace the spacers with the originals.
Furthermore where a short circuit has occurred ,
replace those components that indicate evidence of
overheating.

3. After servicing , see that all the protective devices

such as insulation barriers, insulation papers, shields
and isolation R-C combinations are correctly
installed.

4. When the receiver is not being used for a long time

of period of time , unplug the power cord of the
Adaptor from the AC outlet.

Color TFT LCD Module is very sensitive
both electrically and physically.Users,
therefore, are requested to follow the
“Guidance of handling color TFT LCD
Module”on the followings.

1 -

Be careful not to make scratch on the

polarizer.

Surface of polarizer is soft and can be physically
damaged easily.Please do not touch, push or rub
polarizer surface with materials over HB hardness.

2 - Keep clean the surface.

Please wear rubber glove when touch the surface of
LCD screen. Please use soft and anti-static material
as cleaner.

3 -Keep out of water.Water on/in the LCD may

cause electrical short or corrosion. Please wipe out
dry or water carefully

4 -Prevent swift Temperature & Humidity

change.Instantaneous temperature and/or humidity

change can make dew or ice which cause
nonconformance such as malfunction.

5 - High temperature & high
reduce the life-time.

LCD is not proper to be used at high temperature
and high humidity. Please keep specified
temperature and humidity condition.

6 - Keep out of Corrosive Gas.Corrosive gas
effect the polarizer and the circuit chemically and
cause defects accordingly.

.

humidity

There are electro-static sensitive components such
as CMOS in LCD Module. Please earth human
body when handle the LCD.In addition, please do
not touch the interface connector pin with bare.

8 - Do not operate for a long time under
the same pattern

Operating LCD for a long time under the same
pattern can cause image persistence and can
damage it. Please follow following guidance.

1. Turn the power off when do not use.

2. Change the pattern periodically.

LEAKAGE CURRENT COLD CHECK

1.

Unplug the AC cord and connect a jumper

between the two prongs of the plug.

2. Turn the receiver’s power switch.

3. Measure the resistance value with an ohmmeter,

between the jumpered AC plug and each exposed
metallic cabinet part on the receiver. When the exposed
metallic part a return path to the chassis the reading
should be between 4Mohm and the 20Mohm. When the
exposed metal does not have a return path to the chassis,
the reading must be infinite.

LEAKAGE CURRENT HOT CHECK

1.

Plug the AC cord directly in to the AC outlet. Do
not use an isolation transformer for this check.

2. Connect a 2Kohm 10W resistor in series with an

exposed metallic part on the receiver and an earth,
such as a water pipe.

3. Use an AC voltmeter with high impedance to

measure the potential across the resistor.

4. Check each exposed metallic part and check the

voltage at the each point.

5. Reverse the AC plug at the outlet and repeat each of

the above measurements.

6. The potential at the any point should not exceed 1.4

Vrms. In case a measurement is outside the limits
specified , there is the possibility of a shock hazard ,
and the receiver should be repaired and rechecked
before it is returned to the customer.

HOT CHECK CIRCUIT

TO INSTRUMENTS

EXPOSED

METALLIC PARTS

AC-Voltmeter

Water pipe
(earth)

2 K Ohm

7 - Electrostatic discharge can make

Damage

L6B TECHNICAL SPECIFICATION

Receiving System PAL B/G+I+D/K SECAM L/L'

Comb Filter Adaptive 4H\2H

LTI, CTI Filters +

DVI 1.0 Compliant +

DVI Receiver

Gamma Correction 8 to 10-bit LUT

PIP\PAP\POP\PAT +

OSD Graphics Based 8-bit\pixel

Teletext

WSS +

VPS\PDC +

Picture Formats
(4:3, 16:9, 14:9, Panorama, LetterBox,
Subtitle)

WSS (Wide Screen Signalling) +

ATS (Automatic Tuning System) Frequency Search

Manual Search Channel Table Search

Number of Program Storage +

No Ident Timer +

Picture Freeze +

Equalizer +

AVL (Automatic Volume Level) +

Sound Status Memory +

Picture Status Memory +

Swap +

Child Lock +

Program Lock +

Picture Format Switching Tru Pin 8 +

Auto RGB Detect Tru Pin 16 +

Timer

Picture Smart (User, Soft, Natural, Rich) +

Sound Smart (User, Music, Sports, Cinema,
Speech)

Scart2 Out Selectable +

S-Video Input Through Scart2 +

Audio Output Power
RMS in Max at 10% THD)

Stereo (German A2, Nicam, BTSC) German A2, Nicam

S-video In (DIN) 1

AV In (3 RCA) 1

AV Out (3 RCA) 1

PC Audio (L, R) 1

D-Sub 15 1

Headphone 1

CVBS In 4

Y\C In 1

DVI In YES

CVBS Out 4

Resolution VGA to SXGA

2 Pixel \ Clk Support +

Level (1.5, 2.5, Teleweb) Teletext 1.5

Type (Fast\Top\Simple) Simple, Fast, Top

Page Memory 800p

4:3 +

16:9 +

14:9 +

Panorama +

Letterbox +

Subtitle +

Zoom +

Off Timer (Sleep Timer) +

On Timer +

+

2x5W for 22"W, 23"W

2x10W for 26"W
2x10W for 30"W

-

PANEL SPECIFICATION

Sizes 22" 23" 26" 27" 30" 32"

Manufacturer Samsung

Interface

Resolution

Brightness (cd/m2)>=

Contrast>=

Response Time
(Tr+Tf) msec =<

Viewing Angle
R\L\H\L>=

Adaptor İnput

PoweR consumptions

St-By Power
Consumption

Single LVDS Single LVDS Singlel LVDS Singel LVDS Single LVDS Single LVDS

WXGA (1280x720) WXGA (1280x768) WXGA (1280x768) WXGA (1280x720) WXGA (1280x768) WXGA (1280x768)

85/85 85/85 85/85 85/85 85/85/85/85 85/85/85/85 85/85/85/85 85/85/85/85

100W 100W 120W 120W 140W 180W

Samsung LG
Philips Hannstar

450 450 450 550 550 450

500 400 400 600 600 700

25 25 25 25 25 23

15V 24V Built-in TV Built-in TV Built-in TV Built-in TV

<4W <4W <4W <4W <4W <4W

Samsung LG­Philips AUO

Chimei

Chimei AUO
LG-Philips

Input Range

100V-240V/50- 60Hz 100V-240V/50- 60Hz 100V-240V/50- 60Hz 100V-240V/50- 60Hz 100V-240V/50- 60Hz 100V-240V/50- 60Hz

BACK SIDE APPEARANCES

CONTROL

BOARD

SPEAKERS

POWER

SWITCH

LED/IR BOARD

MAIN

CHASSIS

220VAC INPUT

POWER SUPPLY

BOARD

NOTE: LOCATION AND THE SHAPE OF IR /LED BAORD, CONTROL BOARD AND MAIN SWITCH

BOARD MAY CHANGE ACCORDING TO THE COSMETIC OF THE TV AND SIZE

TO PANEL

MAIN CHASSIS

SPEAKER

PANEL

TO

S50

S150

S2

S350

JP451JP452

S550

JP453

JP450

CN1

POWER

SUPPLY

MODULE

CN2CN3

IR RECEIVER/LED

MODULE

TO HEADPHONE JACK

KEY BOARD

MODULE

MAIN POWER

SWITCH

MODULE

220V AC

INPUT

L6B BLOCK DIAGRAM

RF In

AV-Out Video

AV4 Video-In

AV4

Audio-In

Tuner-Main

Tuner-PIP

SCART 1 2 3

Audio-In/Out

Audio-Switch

TDA6420

IF IC TDA9886T

IF IC TDA9886T

Video In/Out

I2C Communication

SC1-SC2 RGB

Audio

In-Out

PIP-Video

Main-Video

Video Switch

TDA6415C

Pin 8 Switch

PCF8591

RGB Switch

PI5V30

AUDIO PROCESSOR

MSP3410D

QSS-Main

QSS-PIP

Video-Main

Video-PIP

Scart RGB

Multi Standard

Video Decoder

SAA7118MP

Multi Standard

Video Decoder

16 Bit

YUV

SAA7118MP

MT48LC16M

De-Interlacer

24 Bit RGB

16 Bit

YUV

IR In

SDRAM

PW1231

PROCESSOR

De-Interlacer

Micro-Cont.

Gamma Corr.

EEPROM

24C64

PW181
IMAGE

Scaler

OSD

48 Bit RGB VS/HS

Flash Memory

AM29VL160

Progressive

or Intrelaced

24 Bit Dual

RGB ,HS,VS

DE,PCLK

DS090C385

LVDS Transmitter

Stand by

LED’s
Reset

Mute
B/L Enable
Digital Dim

TO THE

PANEL

AV Out Audio

Headphone Jack

Headphone

Amp.

TDA1308

PC DVI Audio -In

Audio Amplifier

TA2024

Speaker

SVHS Y/C

SVHS Socket

EEPROM

24LC21

Dual İnterface for

RGB HS/VS-In

D-SUB 15 socket

FPD

AD9887

EEPROM

24LC21

DVI Input

DVI Socket

L6B POWER SUPPLY BLOCK DIAGRAM (MAIN CHASSIS)

J450

12V F450 +2,5V_STBY

U451

FDS9933A

DC_IN

GND

S450 +3,3V_STBY

(5V) +5V_STBY

F451

U454

LM2576

VOLTAGE

DOUBLER

U458

NCP1117

GND

12V '33V +1,5V_STBY

U452

FDS9933N

STAND_BY +3,3V

U453

FDS9933N

PNL_EN +12V_INVERTER

12V_AMP

+5V

U457

NCP1117

+12V PANEL_POWER

U455

LM2576

U450

NCP117

U456

LM317

+8V

L6B SERVICE MENU

1. Activating the Service Menu

When the menu is on the screen press ‘9’, ‘3’, ’0’, ’1’ on the remote controller. This will

activate the service menu.

2. Service Menu Structure

The service menu has three items: display, calibre and version

2.1 Display

Display item has seven options:
a- Panel

Panel option gives information about the current panel resolution. It is a read only
option and can not be set.

b- Power on time

Power on time gives information about the last update time of the SW running. It
is a read only option and can not be set.

c- Backlight on time

Backlight on time option reserved.

d- Scart prescale

Scart prescale option sets the prescale values for the input sounds entering the scart
input of the MSP(Micronas Sound Processor). Changing this value you can adjust
the level of the output sound going to loudspeakers for all the sources except the
Tuners. The range is between 0 and 100.

e- nicam prescale

Nicam prescale option sets the prescale values for the Nicam standard sounds for
tuner inputs. Changing this value you can adjust the level of the output sound
going to loudspeakers for Nicam sounds entering the analog sound input of MSP.
The range is between 0 and 100.

f- fm/am prescale

fm/am prescale option sets the prescale values for the FM/AM standard sounds for
tuner inputs. Changing this value you can adjust the level of the output sound
going to loudspeakers for FM/AM sounds entering the analog sound input of MSP.
The range is between 0 and 100.

g- Agc(Automatic Gain Control) adjust

Agc adjust option sets the input voltage going to IF decoder AGC pin. Changing
this value you can adjust this voltage for optimum Tuner performance. The range
is between 0 and 31.

h- R/G/B Brightness/Contrast: These are used for color bias adjustment. The range is

Between 0 and 255

2.2 Calibre

2.3 Version

Calibre item has nine options:
a- video format

Video format option force the video format to the desired format. Selectable
formats are Auto, Pal, NTSC and SECAM.

b- colorspace

Colorspace option gives the information about the video input colorspace input to
PW181 IC. Do not change this value unless an error occurred in the colors
displayed.

c- test pattern

This option activates the internal pattern of PW181 IC. There are 3 choices: none,
vert bars, solid color. None will deactivate the internal pattern. Vert bars choice
activates the bar pattern for the selected color component. Solid color activates the
solid pattern with one color selected in color component and also you can change
the level of the color by solid field level.

d- Color components:

This option selects the color for the internal pattern of PW181 IC. There are 4
choices: all, red, green and blue. If you choose all, you can see the white pattern
and if you choose one of the other choices you can see the test pattern with the
selected color.

e- solid field level

This option will adjust the level of the colors for the test pattern. The range is
betwwen 1 and 64.

f- Initial ATS

This option will enable or disable the Initial setup for the TV. Setting this option to
On, the TV will open from the Quick setup menu. Setting this option to Off will
disable this option.

g- factory reset

Factory reset option executes a reset operation for the NVRAM. Pressing OK
when this option is selected will erase the NVRAM and load default values to
NVRAM.

h- dpms

This option selects the Power option for the TV. Setting this option to On the TV
will switch to the last state for power on transition. Setting this to Off will disable
this option and the TV will always switch to Stand-by state while power on
transition.

i- osd timeout

This option sets the OSD timeout for the main menu structure. Selections are 5, 15
and 60 secs. The default is 60 sec.

This item gives the information about the version of the software. Also you can see the
last modified time for the GUI(graphical user interface).

L6 CHASSIS SERVICE MODE ITEMS

display menu

ITEM TYPICAL VALUES/OPTIONS

panel 1280x768

power on time 03:39:45

back light time 03:39:45
scart prescale 25
nicam prescale 45
fm/am prescale 24
agc adjust 16
red brightness 128
red contrast 128
green brightness 128
green contrast 128
blue brightness 128
blue contrast 128

calibre menu

ITEM TYPICAL VALUES/OPTIONS

video format auto
color space RGB
test pattern none
color components all
solid field level 33
initial ats on
factory reset press <ok> to reset
dpms on
osd time out 60 sec

version

ITEM TYPICAL VALUES/OPTIONS

Software

SL630T_CH1_T13 L6B 1.22 Chi30

GUI

Project; L6B Toshiba

Generated Date: October 01,2004 at 22.42

BUS-CONTROLLED VIDEO MATRIX SWITCH

■

20MHz BANDWIDTH

■

CASCADABLE WITH ANOTHER TEA6415C
(INTERNAL ADDRESS CAN BE CHANGED BY
PIN 7 VOLTAGE)

■

8 INPUTS (CVBS, RGB, MAC, CHROMA, ...)

■

6 OUTPUTS

■

POSSIBILITY OF MAC OR CHROMA SIGNAL
FOR EACH INPUT BY SWITCHING-OFF THE
CLAMP WITH AN EXTERNAL RESISTOR
BRIDGE

■

BUS CONTROLLED

■

6.5dB GAIN BETWEEN ANYINPUT AND OUT­PUT

■

-55dB CROSSTALKAT5MHz

■

FULLYESD PROTECTED

DESCRIPTION

The main functionof the TEA6415Cis to switch 8
videoinput sources on the 6 outputs.

Each output can be switched to only one of the
inputs whereas but any same input may be con­nectedto several outputs.

Alltheswitchingpossibilitiesarecontrolledthrough

2

the I

C bus.

TEA6415C

DIP20

(Plastic Package)

ORDER CODE : TEA6415C

SO20

(Plastic Micropackage)

ORDER CODE : TEA6415CD

PINCONNECTIONS

INPUT

DATA

INPUT

CLOCK

INPUT
INPUT

PROG

INPUT

V

CC

INPUT

1
2
3
4
5
6
7
8
9
10

20
19
18
17
16
15
14
13
12
11

INPUT
GROUND
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
GROUND
INPUT

6415C-01.EPS

TEA6415C

BLOCK DIAGRAM

CVBS

(MAC/DEC)

CVBS

(PERI PLUG1)

CVBS

(AMTUNER)

MAC S IGNAL

(AMTUNER)

CVBS

(PERI PLUG2)

CVBS

(FM TUNER)

MAC S IGNAL

(FM TUNER)

SYNCHRO

(TTX/BTX)

PERI

TV2

TTX LUMA

CHROMA

POWER

PERI

TV1

18 17 16 15 1 4 13 12

1

3

5

6

8

10

11

20

PIP MAC

DEC.

GND

274

DATA GNDCLOCK V

GENERALDESCRIPTION

ThemainfunctionoftheICistoswitch8videoinput
sources on6 outputs.

Each output can be switched on onlyone of each
input. On each input an alignment of the lowest
level ofthesignal ismade (bottomof synch.top for
CVBS or blacklevel for RGB signals).

Each nominal gain between any input and output
is 6.5dB.For D2MAC or Chroma signalthe align­ment is switched off by forcing, with an external
resistor bridge,5 V

ontheinput. Each inputcan

DC

be used asa normal input or as aMAC orChroma

T
E

BUS

DECODER

A
6
4
1
5
C

919

PROG

CC

input (withexternal resistorbridge). All the switch­ing possibilitiesare changedthrough the BUS.

Driving 75Ω load needsan external transistor.
It is possible to have the sameinput connectedto

severaloutputs.
The starting configuration upon power on (power

supply: 0 to10V) isundetermined.
In this case, 6 words of 16 bits are necessary to

determineone configuration.In othercase,1 word
of 16 bits isnecessaryto determineone configura­tion.

6415C-02.EPS

I2C-buscontrolled single and multistandard
alignment-free IF-PLL demodulators

1 FEATURES

• 5 V supply voltage

• Gain controlled wide-band Vision Intermediate

Frequency (VIF) amplifier, AC-coupled

• Multistandard true synchronous demodulation with
active carrier regeneration: very linear demodulation,
good intermodulation figures, reduced harmonics, and
excellent pulse response

• Gated phase detector for L and L-accent standard

• Fully integrated VIF Voltage Controlled Oscillator

(VCO), alignment-free, frequencies switchable for all
negative and positive modulated standards via I

• Digital acquisition help, VIF frequencies of 33.4, 33.9,

38.0, 38.9, 45.75, and 58.75 MHz

• 4 MHz reference frequency input: signal from
Phase-Locked Loop (PLL) tuning system or operating
as crystal oscillator

• VIF Automatic Gain Control (AGC) detector for gain
control, operating as peak sync detector for negative
modulated signals and as a peak white detector for
positive modulated signals

• External AGC setting via pin OP1

• Precise fully digitalAutomatic Frequency Control (AFC)

detector with 4-bit digital-to-analog converter, AFC bits

2

readable via I

• TakeOver Point (TOP) adjustable via I

C-bus

2

C-bus or

alternatively with potentiometer

• Fully integrated sound carrier trap for 4.5, 5.5, 6.0,
and 6.5 MHz, controlled by FM-PLL oscillator

• Sound IF (SIF) input for single reference Quasi Split
Sound (QSS) mode, PLL controlled

2

C-bus

TDA9885; TDA9886

• SIF-AGC for gain controlled SIF amplifier, single
reference QSS mixer able to operate in high
performance single reference QSS mode and in
intercarrier mode, switchable via I

• AM demodulator without extra reference circuit

• Alignment-free selectiveFM-PLL demodulatorwith high

linearity and low noise

• I2C-bus control for all functions

2

C-bus transceiver with pin programmable Module

• I
Address (MAD)

• Four I

2

C-bus addresses via MAD.

2 GENERAL DESCRIPTION

The TDA9885 is an alignment-free multistandard
(PAL and NTSC) vision and sound IF signal PLL
demodulator for negative modulation only and
FM processing.

The TDA9886 is an alignment-free multistandard
(PAL, SECAM andNTSC) vision andsound IF signal PLL
demodulator for positive and negative modulation,
including sound AM and FM processing.

3 APPLICATIONS

• TV, VTR, PC and STB applications.

2

C-bus

4 ORDERING INFORMATION

PACKAGE

TYPE NUMBER

NAME DESCRIPTION VERSION

TDA9885T/V3 SO24 plastic small outline package; 24 leads; body width 7.5 mm SOT137-1
TDA9885TS/V3 SSOP24 plastic shrink small outline package; 24 leads; body width 5.3 mm SOT340-1
TDA9885HN/V3 HVQFN32 plastic, heatsink very thin quad flat package; no leads; 32 terminals;

SOT617-1

body 5 × 5 × 0.85 mm
TDA9886T/V3 SO24 plastic small outline package; 24 leads; body width 7.5 mm SOT137-1
TDA9886TS/V3 SSOP24 plastic shrink small outline package; 24 leads; body width 5.3 mm SOT340-1

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handbook, full pagewidth

external reference signal

or 4 MHz crystal

7 (5)
DGND

REF AFC

AFC DETECTOR

SOUND TRAPS

FM-PLL DEMODULATOR

12 (11)18 (20)20 (22)
SIOMADSDASCL

4.5 to 6.5 MHz

AUDIO PROCESSING

AND SWITCHES

NARROW-BAND

(18) 17

CVBS

video output: 2 V (p-p)
[1.1 V (p-p) without trap]

AUD

(7) 8
(3) 5

(4) 6

4 (2)10 (9)

MHC108

DEEM

AFD

audio output

de-emphasis

network

C

AF

VIF2
VIF1

SIF2
SIF1

2 (31)
1 (30)

24 (27)
23 (26)

TOP

TUNER AGC

SUPPLY

V

P

C

VAGC(pos)

TAGC
14 (15)

C

AGC(neg)

VAGC

VIF-AGC

SINGLE REFERENCE QSS MIXER

SIF AGC

(6, 12, 13, 14, 17,
19, 25, 28, 29, 32)
13

n.c.AGND

VIF-PLL

filter

(1)

C

BL

INTERCARRIER MIXER

AND AM DEMODULATOR

C

AGC

VPLL

19 (21)9 (8) 16 15 (16) 21 (23)

RC VCO

VIF-PLL

OUTPUT

PORTS

22 (24)3 (1)

OP1 OP2 FMPLL

DIGITAL VCO CONTROL

TDA9885
TDA9886

MAD

I2C-BUS TRANSCEIVER

11 (10)

6 BLOCK DIAGRAM

alignment-free IF-PLL demodulators

I

2

C-buscontrolled single andmultistandard

TDA9885; TDA9886

(1) Not connected for TDA9885.
Pin numbers for TDA9885HN in parenthesis.

sound intercarrier output

and MAD select

Fig.1 Block diagram.

FM-PLL

filter

BUS-CONTROLLEDAUDIO MATRIX

.

5 STEREOINPUTS

.

4 STEREOOUPUTS

.

GAIN CONTROL 0/2/4/6dB/MUTEFOR EACH
OUTPUT

.

CASCADABLE(2 different addresses)

.

SERIALBUS CONTROLLED

.

VERYLOW NOISE

.

VERYLOW DISTORSION

DESCRIPTION

The TEA6420 switches 5 stereo audio inputs on
4 stereo outputs.

All theswitching possibilitiesare changed through

2

C bus.

the I

TEA6420

SHRINK24

(Plastic Package)

ORDER CODE : TEA6420

SO28

(Plastic Micropackage)

ORDER CODE : TEA6420D

PINCONNECTIONS

GND

CAPACITANCE

V

S

L1
L2
L3
L4
L5

LOUT1

ROUT1

LOUT2

ROUT2

SHRINK24

1
2
3
4
5
6
7
8
9
10
11
12

24
23
22
21
20
19
18
17
16
15
14
13

SDA
SCL
ADDR
R1
R2
R3
R4
R5
ROUT4
LOUT4
ROUT3
LOUT3

GND

CAPACITANCE

V

L1
L2

L3
NC
NC

L4

L5

LOUT1

ROUT1

LOUT2

ROUT2

SO28

1
2
3

S

4
5
6
7
8
9
10
11
12
13
14

28
27
26
25
24
23
22
21
20
19
18
17
16
15

SDA
SCL
ADDR
R1
R2
R3
NC
NC
R4
R5
ROUT4
LOUT4
ROUT3
LOUT3

6420-01.EPS / 6420-02.EPS

TEA6420

BLOCK DIAGRAM

RIGHT INPUTS

GND

T
E
A

6
4
2
0

V

S

C

SUPPLY BUS DECODER

LEFT INPUTS

GAIN = 0/2/4/6 dB

GAIN = 0/2/4/6 dB

RIGHT
OUTP UTS

SDA

SCL
ADDR

LEFT
OUTP UTS

ABSOLUTEMAXIMUM RATINGS

Symbol Parameter Value Unit

V

T

oper

T

Supply Voltage 10.2 V

CC

Operating Ambient Temperature 0, + 70
Storage Temperature - 20, + 150

stg

6420-03.EPS

o

C

o

C

6420-01.TBL

THERMALDATA

Symbol Parameter Value Unit

R

th(j-a)

Junction Ambient ThermalResistance SHRINK24

SO28

75
75

ELECTRICAL CHARACTERISTICS

=25oC, VS= 10V,RL=10kΩ,RG= 600Ω, f = 1kHz (unlessotherwise specified)

T

A

Symbol Parameter Test Conditions Min. Typ. Max. Unit

SUPPLY

V

I

SVR Ripple Rejection V

MATRIX

V

R

C

Supply Voltage 8 9 10.2 V

S

Supply Current 5 8 mA

S

= 500mV

IN

Input DC Level 4.5 5 5.5 V

IN

Input Resistance 30 50 100 kΩ

I

Channel Separation VIN=2V

S

f = 1kHz Gain = 6dB

RMS

, BW = 20 - 20kHz 70 80 dB

RMS

Gain = 0dB

80
70

90
82

o

C/W

dB
dB

6420-02.TBL

6420-03.TBL

PW1231

Product Specification

General

The PW1231 is a high-quality, digital video signal
processor that incorporates Pixelworks’ patented
deinterlacing, scaling, and video enhancement
algorithms. The PW1231 accepts industry-standard video
formats and resolutions, and converts the input into any
desired output format.The video algorithms are highly
efficient, providing excellent quality video.

The PW1231 Video SignalProcessor combines many
functions into a single device, including memory
controller, auto-configuration, and others. This high level
of integration enables simple, flexible, cost-effective
solutions featuring fewer required components.

Cr ystal

Video

PW1231

System Block Diagram

Video

Decoder

PW1231

SDRAM

Dig i ta l
Output

Features

• Built-In Memory Controller

• Motion-Adaptive Deinterlace Processor

• Intelligent Edge Deinterlacing

• Digital Color/Luminance Transient Improvement (DCTI/DLTI)

• Interlaced Video Input Options, including NTSC and PAL

• Independent horizontal and vertical scaling

• Copy Protection

• Two-Wire Serial Interface

Applications:
For use with Digital Displays

• Flat-Panel (LCD, DLP) TVs

• Rear Projection TVs

• Plasma Displays

• LCD Multimedia Monitors

• Multimedia Projectors

Device Application Package

PW1231

PW1231-L

NOTE: “L” denotes lead (Pb) free

Up to XGA 160-pin PQF

Data

Digital

Output

Ti m in g

Timing

Dis pla y

YU V

Digital

Output

Up

Scaler

HSync

Ti mi ng

VSync /

Video

Enhancem ents

Deinterlace r

RGB

Color Space

Converter (CSC)

Blue

Screen

Dis p lay Un it

Pictur e

Detection

(3:2 & 2:2)

Film-Mode

Memory Unit

Prim ary

Figure 1-1 Internal Block Diagram

Vid eo

Previou s

I-Channel

Noise

Motio n

Reduction

Input Unit

Detect and

Programming Unit

PW1231

Input

Video

Internal Block Diagram

601

ITU-R BT

Primary

Video Port

Secondary

656

ITU-R BT

Video Port

Interface

Tw o -W i re

Pinout Information Pin Diagram

2W_A 2

2W_A 1

XTA LO

XTA LI

VR7

VR6

VR5

VR4

VR3

VR2

VR1

VR0

PVHS

PVVS

CREF

PVCL K

VSS

VDD

VG7

VG6

VG5

VG4

VG3

VG2

VG1

VG0

SVCL K

SVVS

SVHS

PVSS

PVDD

VB7

VB6

VB5

VB4

VB3

VB2

VB1

VB0

NC

81

82

83

84

85

86

87

88

89

90

92

93

94

95

96

97

98

99

100

10291103

104

106

107

108

109

110

111

112

113

114

PVDD

PVSS

MPD VSS

MPAVD D

SCL
SDA

TDO

TCK

TDI

TMS

TRSTN

RESETn

VDD

VSS

TEST

DCLK

DVS

DHS

DB0
DB1
DB2
DB3
DB4
DB5
DB6

PVDD

PVSS

DB7
DG0
DG1
DG2
DG3
DG4
DG5
DG6
DG7
DR0
DR1
DR2

PVDD

115

116

117

118

119

120

121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160

123456789101112131415161718192021222324252627282930313233343536373839

105

101

PW1231

(Top View)

80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41

40

PVDD
PVSS
DPAVSS
DPAVDD
DPDVSS
DPDVDD
CGMS
DEN
TESTCLK
VSS
VDD
MD0
MD15
MD1
MD14
MD2
MD13
MD3
MD12
MD4
MD11
MD5
MD10
MD6
MD9
MD7
MD8
PVSS
PVDD
MCL K
MWE
MCAS
MRAS
MCLKFB
MA1 2
MA1 1
MA1 3
MA9
MA1 0
MA8

PVSS

DR3

DR4

DR5

DR6

DR7

NCNCNCNCNCNCNCNCNCNCNCNCNCNCNCNCNCNCNC

VSS

VDD

PVSS

NC

NC

NC

MA4

MA3

MA5

MA2

MA6

MA1

MA7

PVDD

MA0

Figure 2-1 PW1231 Pin Layout

PW181

Product Specification

General Description

The PW181 ImageProcessor is a highly integrated
“system-on-a-chip” that interfaces computer graphics and
video inputs in virtually any format to a fixed-frequency flat
panel display.

Computer and video images from NTSC/PAL to WUXGA
at virtually any refresh rate can be resized to fit on a fixed­frequency target display device with any resolution up to
WUXGA. Video data from 4:3 aspect ratio NTSC or PAL
and 16:9 aspect ratio HDTV or SDTV is supported. Multi­region, nonlinear scaling allows these inputs to be resized
optimally for the native resolution of the display.

Advanced scaling techniques are supported, such as
format conversion using multiple programmable regions.
Three independent image scalers coupled with frame
locking circuitry and dual programmable color lookup
tables create sharp images in multiple windows, without
user intervention.

Embedded SDRAM frame buffers and memory controllers
perform frame rate conversion and enhanced video
processing completely on-chip. A separate memory is
dedicated to storage of on-screen display images and
CPU general purpose use.

Advanced video processing techniques are supported
using the internal frame buffer, including motion adaptive,
temporal deinterlacing with film mode detection. When
used in combination with the new third-generation scaler,
this advanced video processing technology delivers the
highest quality video for advanced displays.

Both input ports support integrated DVI 1.0 content
protection using standard DVI receivers.

A new advanced OSD Generator with more colors and
larger sizes supports more demanding OSD applications,
such as on-screen programming guides. When coupled
with the new, faster, integrated microprocessor, this OSD
Generator supports advanced OSD animation techniques.

Crystal

Video

Input

Compute r

PW181

System Block Diagram

Video

Decoder

AD C /

TMDS

ROM

Features

• Third-generation, two-dimensional filtering techniques

• Third-generation, advanced scaling techniques

• Second-generation Automatic Image Optimization

• Frame rate conversion

• Video processing

• On-Screen Display (OSD)

• On-chip microprocessor

• JTAG debugger and boundary scan

• Picture-in-picture (PIP)

• Multi-region, non-linear scaling

• Hardware 2-wire serial bus support

Applications

• Multimedia Displays

• Plasma Displays

• Digital Television

Device Application Package

PW181-10V Up to XGA Displays

352 PBGAPW181-20V Up to UXGA Displays

PW181-30V Up to WUXGA Display

Dis p la yPW181

Programmable features include the user interface, custom
start-up screen, all automatic imaging features, and
special screen effects.

PortD(7:0)
PortE(7:0)
PortF(7:0)

PortB

PortC

(7:0)

(7:0)

GPIO PWM

PortA

(7:0)

RAMWE,

RAMOE,

ROMWE,

ROMOE

2-Wire

Serial

Microprocessor Bus

Processor ROM/

RAM Interface

A(19:0),
D(15:0),

BHEN,

CS(1:0),
RD, WR

CPUTDO

16-bit

Turbo µP

CPUTMS,
CPUTCK,
CPUTDI

Watchdog and

Timers

NMI EXTINT

Interrupt

Controller

RxD, TxD

UART

IRRCVR (1:0)

IR

Decoders

VRGB

(23:0)

VCLK, VPEN,

VVS, VHS,

Field

GCLK, GFBK,

GPEN, GVS,
GHS, GSOG

GRGB

(47:0)

GCOAST,

GREF,

GBLKSPL,

GHSFOUT

Video Port

Sync Decoder

Auto Im age

Optimizer

Color Space

Converter HDCP

Graphics Port

Sync Decoder

Auto Image

Optimizer

Color Space

Converter HDCP

Horizontal

Image
Scaler

CRISP

Image
Scaler

Video

Deinterlace

Spatial

Noise

Reduction

Bus

Memory In

Master Reset

Processor

Memory

Interface

SDRAM

Memory

Controller

Reset

Frame
Buffer

Frame
Buffer

Memory Out Bus

Image

Scaler

MCLK DCLK UCLK

Dual PLL

Clock

Generator

MCLKEXT,

XI*

XO*

OSD and CPU

SDRAM

OSD

Memory

Bus

OSD/CPU

Memory

Controller

Display Port

OSD

Control &

Blend

Color Matrix,
Gamma Correction
CLTs, Color Space

Expander

Display

Timing

Generator

PW181 Internal Block

Diagram

*For internal clock generatorDCLKEXT,

RGBE
(23:0)

RGBO
(23:0)

DVS,
DHS,
DEN,
DCLK

Figure 1-1 Internal Block Diagram

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UR3110 L6B CHASIS 27"TOS MS/NX/3/SK/PIP/PEN/DVI
US1110 L6B CHASIS TOS 30" M/NX/3/SK/PIP/PEN/DVI
US1172 CU ASSY 30" L6BL38 TOSHIBA (ZR1191-20)
Y23172 CU ASSY 26L6L43 L6B VER.(ZP9191-20)
Y22172 CU ASSY 26L6BL44 (ZG5192-20)
Y51120 L6 CHASIS DAUGHTER BOARD
ZG4187F RC L6B TOSHIBA GRI/SHINE SI.P.ED CT-870
JX1187 R/C L6B REMOTE CONTROL JAECS SIL.GRUNDIG
ZG4301 TERMINAL BATT.BOX(+-) R/C TOSHIBA
ZJ9172 POWER SWITCH ASSY 27/30'' L6B(ZJ9192-20)
ZJ9205F BACK COVER 30'' L38 LCD TV SILVER L6B
ZJ9206F SCART BACK COVER 30L38 LCD TV SILVER
ZJ9251F FRONT COVER G.BL/BUR.SIL P.ED 30L38 TOS.
ZJ9805 CUSHION LEFT 30" LCD TV
ZJ9806 CUSHION RIGHT 30" LCD TV
ZR1107-AS SPEAKER 10W 4R PALSTIC CASE KAB MOUNTED
ZR1172 CU ASSY 27" L6BL57 TOSHIBA (ZR1191-20)
ZR1204F LENS IR/LED 30''L38 LCD TV
ZR1205F BACK COVER 27'' L57 LCD TV SILVER L6B
ZR1208F KNOB POWER 27"L57 LCD TV SILVER
ZR1212F KNOB PROGRAM/VOL. 27LCD TOSHIBA SILVER
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ZR1806 CUSHION RIGHT 27" LCD TV

ZR1910 ADAPTOR SPS 180W 24/5 12/5 PFC 2PIN(LISH
AV/TV 010844 TACT SWITCH 2 LEG (MTSB)
CN250 031383 CON.DVI 24+5POL JRX1-DV124+5
CN601 ZJ9512-AS CABLE PANEL.INTERFACE 30"L6B CHI 30.LU

303407 LED ROT LTL 4221N P6 GREEN

303447 LED 3MM RED-BLUE LIGITEK LSRFSBK2092
F450 054290 FUSE 5.0A 250V ROUND
F451 054290 FUSE 5.0A 250V ROUND
IR1 452521-01 IR RECEIVER TSOP34838 SS1A
J19 031508 KONN. RF IEC TO RCA

J53 031477 KONN. CINCH .... WHITE HOR.12,5MM 30L6

J56 031478 KONN. CINCH ..... RED HOR.12,5MM 30L6

J57 031423 HEADPHONE JACK YKB21-5103
J832 031479 KONN. CINCH ... YELLOW HOR.12,5MM 30L6
J926 031795 KONN.S-VHS
MENU 010844 TACT SWITCH 2 LEG (MTSB)
P250 031358 CONN. VGA B10B
SAW825 056708 SAW FILTER OFW K3958M
SAW826 056708 SAW FILTER OFW K3958M
SAW827 056010 SAW FILTER OFW K9656M

SAW828 056010 SAW FILTER OFW K9656M
SW1 010861 ON/OFF SWITCH BK98
TU825 Y51136-PH1 TUNER PH UV1316T/SIGH-3 SPL ASIMTRK YAT
TU826 Y11136 TUNER HOR.PHILLIPS UV1316/A I H-4
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U250 453261 IC-CHIP 24LC21A-I/SN-CMOS18K/2.5V SE.T&R
U251 453261 IC-CHIP 24LC21A-I/SN-CMOS18K/2.5V SE.T&R
U3 453494 IC-CHIP TRIPATH TA2024 STEREO CLAS-D T&R
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U402 453349 IC-CHIP TLC7733 /SO8
U450 453095 IC-CHIP NCP1117DTARK (DPAK)(T&R) TO252
U452 401372 TRN FDS9933A
U454 453294 IC-CHIP LM2576D2TR4-005V 3A TO263 STPT&R
U455 453294 IC-CHIP LM2576D2TR4-005V 3A TO263 STPT&R
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U457 453124 IC-CHIP NCP1117DT33RK TO-252 PACKAGE
U458 453124 IC-CHIP NCP1117DT33RK TO-252 PACKAGE
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U51 453352 IC-CHIP MSP3410-MQFP64
U52 453351 IC TEA6420 /SO28
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U825 451569 IC-CHIP TDA9886T/V3 118(SO24) T&R
U826 451569 IC-CHIP TDA9886T/V3 118(SO24) T&R
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Y300 056753 CRYSTALL 24.576MHZ 20PF 30PPM
Y50 056952 CRYSTAL 18.432MHZ +-30PPM
Y550 056119 CRYSTAL 14.31818MHz CL=18PF30/30PPMHC49U
Y650 056121 CRYSTAL 10 MHz / HC49U 20PF 30PPM
Y825 056013 CRYSTAL 4 MHZ HC49-U
Y826 056013 CRYSTAL 4 MHZ HC49-U
Y925 056753 CRYSTALL 24.576MHZ 20PF 30PPM

FREQUENCY TABLE (MHz)

Channel Number BG I DK L/L'

CH 1 49.75 49.75 47.75
CH 2 48.25 59.25 59.25 55.75
CH 3 55.25 77.25 77.25 60.50
CH 4 62.25 85.25 85.25 63.75
CH 5 175.25 93.25 93.25 176.00
CH 6 182.25 175.25 175.25 184.00
CH 7 189.25 183.25 183.25 192.00
CH 8 196.25 191.25 191.25 200.00
CH 9 203.25 199.25 199.25 208.00
CH 10 210.25 207.25 207.25 216.00
CH 11 217.25 215.25 215.25 189.25
CH 12 224.25 223.25 223.25 182.25
CH 13 53.75 45.75 196.25
CH 14 62.25 53.75 210.25
CH 15 82.25 61.75
CH 16 175.25 69.75
CH 17 183.25 95.25
CH 18 192.25
CH 19 201.25
CH 20 210.25
CH 21 471.25 471.25 471.25 471.25
CH 22 479.25 479.25 479.25 479.25
CH 23 487.25 487.25 487.25 487.25
CH 24 495.25 495.25 495.25 495.25
CH 25 503.25 503.25 503.25 503.25
CH 26 511.25 511.25 511.25 511.25
CH 27 519.25 519.25 519.25 519.25
CH 28 527.25 527.25 527.25 527.25
CH 29 535.25 535.25 535.25 535.25
CH 30 543.25 543.25 543.25 543.25
CH 31 551.25 551.25 551.25 551.25
CH 32 559.25 559.25 559.25 559.25
CH 33 567.25 567.25 567.25 567.25
CH 34 575.25 575.25 575.25 575.25
CH 35 583.25 583.25 583.25 583.25
CH 36 591.25 591.25 591.25 591.25
CH 37 599.25 599.25 599.25 599.25
CH 38 607.25 607.25 607.25 607.25
CH 39 615.25 615.25 615.25 615.25
CH 40 623.25 623.25 623.25 623.25
CH 41 631.25 631.25 631.25 631.25
CH 42 639.25 639.25 639.25 639.25
CH 43 647.25 647.25 647.25 647.25
CH 44 655.25 655.25 655.25 655.25

Channel Number BG I DK L/L'

CH 45 663.25 663.25 663.25 663.25
CH 46 671.25 671.25 671.25 671.25
CH 47 679.25 679.25 679.25 679.25
CH 48 687.25 687.25 687.25 687.25
CH 49 695.25 695.25 695.25 695.25
CH 50 703.25 703.25 703.25 703.25
CH 51 711.25 711.25 711.25 711.25
CH 52 719.25 719.25 719.25 719.25
CH 53 727.25 727.25 727.25 727.25
CH 54 735.25 735.25 735.25 735.25
CH 55 743.25 743.25 743.25 743.25
CH 56 751.25 751.25 751.25 751.25
CH 57 759.25 759.25 759.25 759.25
CH 58 767.25 767.25 767.25 767.25
CH 59 775.25 775.25 775.25 775.25
CH 60 783.25 783.25 783.25 783.25
CH 61 791.25 791.25 791.25 791.25
CH 62 799.25 799.25 799.25 799.25
CH 63 807.25 807.25 807.25 807.25
CH 64 815.25 815.25 815.25 815.25
CH 65 823.25 823.25 823.25 823.25
CH 66 831.25 831.25 831.25 831.25
CH 67 839.25 839.25 839.25 839.25
CH 68 847.25 847.25 847.25 847.25
CH 69 855.25 855.25 855.25 855.25
CH 70 863,25 863.25
CH 71 871,25
CH 72 879,25
CH 73 887,25 160.00

CH 74 69.25 172.00

CH 75 76.25 220.00
CH 76 83.25 232.00
CH 77 90.25 244.00
CH 78 97.25 256.00
CH 79 59.25 268.00
CH 80 93.25 280.00

S 1 105.25 103.25 103.25 116.75
S 2 112.25 111.25 111.25 128.75
S 3 119.25 119.25 119.25 140.75
S 4 126.25 127.25 127.25 152.75
S 5 133.25 135.25 135.25 164.75
S 6 140.25 143.25 143.25 176.75
S 7 147.25 151.25 151.25 188.75
S 8 154.25 159.25 159.25 200.75
S 9 161.25 167.25 167.25 212.75
S 10 168.25 231.25 231.25 224.75
S 11 231.25 239.25 239.25 236.75
S 12 238.25 247.25 247.25 248.75
S 13 245.25 255.25 255.25 260.75
S 14 252.25 263.25 263.25 272.75

Channel Number BG I DK L/L'

S 15 259.25 271.25 271.25 284.75
S 16 266.25 279.25 279.25 296.75
S 17 273.25 287.25 287.25 55.75
S 18 280.25 295.25 295.25 60.50
S 19 287.25 303.25 303.25 63.75
S 20 294.25
S 21 303.25 303.25
S 22 311.25 311.25 311.25 311.25
S 23 319.25 319.25 319.25 319.25
S 24 327.25 327.25 327.25 327.25
S 25 335.25 335.25 335.25 335.25
S 26 343.25 343.25 343.25 343.25
S 27 351.25 351.25 351.25 351.25
S 28 359.25 359.25 359.25 359.25
S 29 367.25 367.25 367.25 367.25
S 30 375.25 375.25 375.25 375.25
S 31 383.25 383.25 383.25 383.25
S 32 391.25 391.25 391.25 391.25
S 33 399.25 399.25 399.25 399.25
S 34 407.25 407.25 407.25 407.25
S 35 415.25 415.25 415.25 415.25
S 36 423.25 423.25 423.25 423.25
S 37 431.25 431.25 431.25 431.25
S 38 439.25 439.25 439.25 439.25
S 39 447.25 447.25 447.25 447.25
S 40 455.25 455.25 455.25 455.25
S 41 463.25 463.25 463.25 463.25