This manual is the latest at the time of printing, and does not
include the modification which may be made after the printing,
by the constant improvement of product.
Safety Precaution
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
The lightning flash with arrowhead symbol,
within an equilateral triangle, is intended to
alert the user to the presence of uninsulated
“dangerous voltage” within the product’s enclo
sure that may be of sufficient magnitude to
constitute a risk of electric shock to persons.
CAUTION: TO REDUCE THE RISK OF
ELECTRIC SHOCK, DO NOT REMOVE COVER
(OR BACK). NO USER-SERVICEABLE PARTS
INSIDE. REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL ONLY.
PRECAUTIONS DURING
SERVICING
1. In addition to safety, other parts and
assemblies are specified for conformance with
such regulations as those applying to spurious
radiation. These must also be replaced only
with specified replacements.
Examples: RF converters, tuner units, antenna
selection switches, RF cables, noise-blocking
capacitors, noise-blocking filters, etc.
2. Use specified internal Wiring. Note especially:
1) Wires covered with PVC tubing
2) Double insulated wires
3) High voltage leads
3. Use specified insulating materials for hazardous
live parts. Note especially:
1) Insulating Tape
2) PVC tubing
3) Spacers (insulating barriers)
4) Insulating sheets for transistors
5) Plastic screws for fixing micro switches
4. When replacing AC primary side components
(transformers, power cords, noise blocking
capacitors, etc.), wrap ends of wires securely
about the terminals before soldering.
5. Make sure that wires do not contact heat
generating parts (heat sinks, oxide metal film
resistors, fusible resistors, etc.)
6. Check if replaced wires do not contact sharply
edged or pointed parts.
7. Make sure that foreign objects (screws, solder
droplets, etc.) do not remain inside the set.
The exclamation point within an equilateral
triangle is intended to alert the user to the
presence of important operating and
maintenance (servicing) instructions in the
literature accompanying the appliance.
MAKE YOUR CONTRIBUTION
TO PROTECT THE
ENVIRONMENT
Used batteries with the ISO symbol
for recycling as well as small accumulators
(rechargeable batteries), mini-batteries (cells) and
starter batteries should not be thrown into the
garbage can.
Please leave them at an appropriate depot.
W ARNING:
Before servicing this TV receiver, read the
SAFETY INSTRUCTION and PRODUCT
SAFETY NOTICE.
SAFETY INSTRUCTION
The service should not be attempted by anyone
unfamiliar with the necessary instructions on this
apparatus. The following are the necessary
instructions to be observed before servicing.
1. An isolation transformer should be connected in
the power line between the receiver and the
AC line when a service is performed on the
primary of the converter transformer of the set.
2. Comply with all caution and safety related
provided on the back of the cabinet, inside the
cabinet, on the chassis or picture tube.
3. To avoid a shock hazard, always discharge the
picture tube's anode to the chassis ground
before removing the anode cap.
4. Completely discharge the high potential voltage
of the picture tube before handling. The picture
tube is a vacuum and if broken, the glass will
explode.
5. When replacing a MAIN PCB in the cabinet,
always be certain that all protective are
installed properly such as control knobs,
adjustment covers or shields, barriers, isolation
resistor networks etc.
6. When servicing is required, observe the original
lead dressing. Extra precaution should be given
to assure correct lead dressing in the high
voltage area.
7. Keep wires away from high voltage or high
tempera ture components.
8. Before returning the set to the customer,
always perform an AC leakage current check
on the exposed metallic parts of the cabinet,
such as antennas, terminals, screwheads,metal
overlay, control shafts, etc., to be sure the set
is safe to operate without danger of electrical
shock. Plug the AC line cord directly to the
AC outlet (do not use a line isolation
transformer during this check). Use an AC
voltmeter having 5K ohms volt sensitivity or
more in the following manner.
Connect a 1.5K ohm 10 watt resistor paralleled
by a 0.15µF AC type capacitor, between a
good earth ground (water pipe, conductor etc.,)
and the exposed metallic parts, one at a time.
Measure the AC voltage across the combination
of the 1.5K ohm resistor and 0.15 uF
capacitor. Reverse the AC plug at the AC
outlet and repeat the AC voltage measurements
for each exposed metallic part.
The measured voltage must not exceed 0.3V
RMS.
This corresponds to 0.5mA AC. Any value
exceeding this limit constitutes a potential
shock hazard and must be corrected
immediately.
The resistance measurement should be done
between accessible exposed metal parts and
power cord plug prongs with the power switch
"ON". The resistance should be more than
6M ohms.
AC VOLTMETER
PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in this
apparatus have special safety-related
characteristics.
These characteristics are offer passed
unnoticed by visual spection and the protection
afforded by them cannot necessarily be obtained
by using replacement components rates for a
higher voltage, wattage, etc.
The replacement parts which have these
special safety characteristics are identified by
marks on the schematic diagram and on the parts
list.
Before replacing any of these components,
read the parts list in this manual carefully. The
use of substitute replacement parts which do not
have the same safety characteristics as specified
in the parts list may create shock, fire, or other
hazards.
9. Must be sure that the ground wire of the AC
inlet is connected with the ground of the
apparatus properly.
Good earth ground
such as the water
pipe, conductor,
etc.
AC Leakage Current Check
Place this probe
on each exposed
metallic part
Technical Specifications
MODEL : PDP4206EM
42” Plasma Monitor
DATE FIRST ISSUED
REVISIONS
ISSUED DATE DESCRIPTION RAISED BY :
ISSUE
1
RAISED BY
CHECKED BY
NUMBER OF PAGES
9
SPECIFICATION AGREED : SIGNATURE DATE
R & D DEPARTMENT
COMMERCIAL DEPARTMENT
PRODUCTION DEPARTMENT
Q/A DEPARTMENT
CUSTOMER
SPECIFICATION APPROVED :
.
NOTE :
Only documents stamped “Controlled Document” to be used for manufacture of production parts.
6.7 Color : 16.77 million colors by combination of 8 bits R,G,B digital
6.8 Contrast : Average 60:1 (In a bright room with 150Lux at center)
Typical 3000:1 (In a dark room 1/25 White Window
pattern at center).
6.9 Peak brightness : Typical 1000cd/㎡ (1/25 White Window)
6.10 Color Coordinate Uniformity: Contrast; Brightness and Color control at normal
setting
Test Pattern : Full white pattern
Average of point A,B,C,D and E +/- 0.01
Technical Specifications
PDP4206EM
CONTINUATION PAGE
NUMBER
5 OF 9 PAGES
6.11 Color temperature : Contrast at center (50); Brightness center (50);
Color temperature set at Natural
x=0.285±0.02
y=0.293±0.02
6.12 Cell Defect Specifications
Subject to Panel supplier specification as appends.
7. Front Panel Control Button
7.1 SEL.UP/Down Button :Push the key to selecting the item on OSD menu
Volume Up/ Down Button : Push the key to increase the volume up or down.
When selecting the adjusting item on OSD menu
increase or decrease the data-bar.
Menu Button : Enter to the OSD menu.
Input Select Button : Push the key to select the input signals source.
7.2 Stand by Button : Switch on main power, or switch off to enter power
Saving modes.
8.2 Picture : Adjust or Select Brightness; Contrast; Sharpness; Scaling (Picture
changes According to Fill or One to One.; DNR; Video Format;
More options for Y/Pb/Pr and VGA ( H. Position, V. Position Phase,
Frequency)
8.3 OSD : Position; OSD H. Position; OSD V. Position; OSD Timeout;
OSD Backgroud; Language.
Keypad
Remote control receiver
External L/R Speakers
Remote control
Basic Operations & Circuit Description
MODULE
There are 1 pc. panel and 8 pc.s PCB including 2 pc.s Y/Z Sustainer board, 2 pc.s Y Drive
board, 2 pc.s X (left and right) Extension PCB, 1 pc. Control (Signal Input) and 1 pc. Power
board in the Module.
SET
There are 5 pc.s PCBs including 1 pc. Tuner/Audio board, 1 pc. Keypad board, 1 pc.
Remote Control Receiver board, 1 pc. L/R Speakers and 1 pc. Main (Video) board in the SET.
Parts position
Remote control Receiver
only for the Model with Turner
Y-Drive Top
Y-Sustainer
Y-Drive Bottom
X left Extension
Internal Speaker (Right)Power Supply
Internal Speaker (Left)
Z-Sustainer
External Speaker Terminals
Power SW
Stand
EMI filter + AC Inlet
X right Extension
Main (Video)Local key
Control (Signal Input)
Tuner/Audio
PCB function
1.Power:
(1). Input voltage: AC 110V~240V, 47Hz~63Hz.
Input range: AC 90V(Min)~265V(Max) auto regulation.
(2). To provide power for PCBs.
2.Main (Video InterFace) board: To converter TV signals, S signals, AV signals, Y Pb/
Cb Pr/Cr signals, DVI signals and D-SUB signals to digital ones and to transmit to
Control board.
3.Control board: Dealing with the digital signal for output to panel.
4.Y-Sustainer / Z-Sustainer board:
(1). Receiving the signals from Control and high voltage supply.
(2). Output scanning waveform for Module.
5.Y-Drive board: Receive signal from Y sustainer, output horizontal scanning waveform to the panel.
6.X (left and right) extension board: Output addressing signals.
7.Tuner/Audio Board
of which selected.
: :
: Amplifying the audio signal to the internal or external speakers
: :
PCB failure analysis
1. CONTROL:a. Abnormal noise on screen. b. No picture.
2. MAIN (VIDEO):a. Lacking color, Bad color scale.
b. No voice.
c. No picture but with signals output, OSD and back light.
d. Abnormal noise on screen.
3. POWER: No picture, no power output.
4. Z - Sustainer:a. No picture.
b. Color not enough.
c. Flash on screen.
5. Y - Sustainer: Darker picture with signals.
6. Audio Bard: a. No voice. (Make sure status: Mute / Internal, External speaker)
b. Noise
7. Y/Z - Sustainer: The component working temperature is about 55oC.
If the temperature rises abnormal, this may be a error point.
Basic operation of Plasma Display
1.After turning on power switch, power board sends 5Vst-by Volt to Micro Processor
IC waiting for ON signals from Key Switch or Remote Receiver.
2. When the ON signal from Key Switch or Remote Receiver is detected, Micro Processor
will send ON Control signals to Power. Then Power sends (5Vsc, 9Vsc, 24V and RLY
ON, Vs ON) to PCBs working. This time VIF will send signals to display back light,
OSD on the panel and start to search available signal sources. If the audio signals
input, them will be amplified by Audio AMP and transmitted to Speakers.
3. If some abnormal signals are detected (for example: over volts, over current, over
temperature and under volts), the system will be shut down by Power off.
Main IC Specifications
- PW171 Image Processor
- AD9883A 110MSPS/140MSPS Analog Interface for Flat Panel Displays
- NV320 Video Enhancement Processor
- VCP 323XD comb Filter Video Processor
- SiI161B Panel Link Receiver
- Z86229 NTSC Line 21 CCD Decoder
- TDA9850 BTSC stereo/SAP decoder(only for the Model with Turner)
- NJW1144 Audio Processor
d to result in a personal injury or loss of life. Customers using or selling Pixelworks devices for use in such
applications do so at their ris
Preliminary
General Description
PW171 is a highly integrated “system-on-a-chip” that interfaces
analog, digital, and video inputs in virtually any format to a flat panel
monitor or multimedia display. PW171 is pin-compatible with the
PW364.
An embedded SDRAM frame buffer and memory controller perform
frame rate conversion. Computer images from VGA to UXGA at
almost any refresh rate can be resized to fit on a fixed-frequency
target display device with any resolution up to UXGA with full 24-bit
color.
PW171 includes advanced second-generation image scaling that
provides completely programmable, horizontal and vertical image
scaling.
PW171 also includes advanced second-generation sync decoding
which provides full support for a wide variety of sync types. This
includes interlaced, progressive, sync-on-green, and TMDS DE (Data
Enable) only.
PW171 ImageProcessor supports NTSC or PAL video data with a 4:3
aspect ratio and 16:9 aspect ratio sources, such as DVD or HDTV.
Nonlinear scaling and separate horizontal and vertical scalers allow
these inputs to be resized optimally for the native resolution and
aspect ratio of the display device.
PW171 uses an integrated PLL to synchronize the display interface
timing to the input timing. This requires only a single external crystal
to generate all necessary clocks for the system.
An integrated OSD controller provides bit-mapped based OSDs with
16 colors from a 64K color palette. The OSD controller supports
transparent and translucent functions.
PW171 provides a Pulse Width Modulation (PWM) output for low cost
backlight or audio control.
With reference source code and an on-chip microprocessor,
manufacturers can develop feature-rich products with rapid time-tomarket. Programmable features include the user interface, custom
start-up screen, all automatic imaging features, and special screen
effects.
PW171incorporates new features while maintaining backward
compatibility with the PW264 and PW364 ImageProcessors.
Product Specification:
PW171 ImageProcessor
XGA/SXGA/UXGA Flat Panel Display Controller IC
Features
!!!!Second-generation Image Scaling
!!!!Second-generation Automatic Image Optimization
!!!!Color Space Converter for graphics inputs
!!!!Video processing
!!!!Picture-In-Picture (PIP)
!!!!Frame rate conversion
!!!!Color matrix for improved color temperature adjustment
!!!!On-board PLLs to generate MCLK and DCLK
!!!!On-screen display
!!!!On-chip microprocessor
!!!!JTAG debugging port
!!!!8-bit, 9-bit, or 10-bit display outputs
!!!!24-bit CPU Addressing
!!!!Hardware 2-Wire serial bus support
!!!!Hardware PWM output
FEATURES
140 MSPS Maximum Conversion Rate
300 MHz Analog Bandwidth
0.5 V to 1.0 V Analog Input Range
500 ps p-p PLL Clock Jitter at 110 MSPS
3.3 V Power Supply
Full Sync Processing
Sync Detect for “Hot Plugging”
Midscale Clamping
Power-Down Mode
Low Power: 500 mW Typical
4:2:2 Output Format Mode
APPLICATIONS
RGB Graphics Processing
LCD Monitors and Projectors
Plasma Display Panels
Scan Converters
Microdisplays
Digital TV
R
AIN
G
AIN
B
AIN
HSYNC
COAST
CLAMP
FILT
SCL
SDA
for Flat Panel Displays
FUNCTIONAL BLOCK DIAGRAM
CLAMP
CLAMP
CLAMP
SYNC
PROCESSING
AND CLOCK
GENERATION
SERIAL REGISTER
AND
A
0
POWER MANAGEMENT
A/D
A/D
A/D
AD9883A
AD9883A
8
R
OUTA
8
G
OUTA
8
B
OUTA
MIDSCV
DTACK
HSOUT
VSOUT
SOGOUT
REF
REF
BYPASS
GENERAL DESCRIPTION
The AD9883A is a complete 8-bit, 140 MSPS monolithic analog
interface optimized for capturing RGB graphics signals from
personal computers and workstations. Its 140 MSPS encode
rate capability and full power analog bandwidth of 300 MHz
supports resolutions up to SXGA (1280 × 1024 at 75 Hz).
The AD9883A includes a 140 MHz triple ADC with internal
1.25 V reference, a PLL, and programmable gain, offset, and
clamp control. The user provides only a 3.3 V power supply,
analog input, and Hsync and COAST signals. Three-state
CMOS outputs may be powered from 2.5 V to 3.3 V.
The AD9883A’s on-chip PLL generates a pixel clock from the
Hsync input. Pixel clock output frequencies range from 12 MHz to
140 MHz. PLL clock jitter is 500 ps p-p typical at 140 MSPS.
When the COAST signal is presented, the PLL maintains its
output frequency in the absence of Hsync. A sampling phase
adjustment is provided. Data, Hsync, and clock output phase
relationships are maintained. The AD9883A also offers full sync
processing for composite sync and sync-on-green applications.
A clamp signal is generated internally or may be provided by
the user through the CLAMP input pin. This interface is fully
programmable via a 2-wire serial interface.
Fabricated in an advanced CMOS process, the AD9883A is
provided in a space-saving 80-lead LQFP surface-mount plastic
package and is specified over the 0°C to 70°C temperature range.
REV. A
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel:
Fax:
nDSP CorporationNV320 Data Sheet
NV320 Video Enhancement Processor
1.0 Introduction
The NV320 is a single-chip, programmable
video display processor providing advanced
features for progressive scan, high frame-rate
TV. The NV320 improves upon the functionality of the NV320P by handling non-standard
video input signals. Other feature enhancements include DCTI, Black Level Stretch, and
Saturation Control.
Built-in memory controller supporting
SDRAM or SGRAM
•
0.35µ CMOS process
•
3.3V power supply with 5V tolerant I/Os
•
Standard 208-pin PQFP
1.2 Video Input
•
Multiple video input modes
- Data acquisition mode
- Line-locked mode
- DVD mode
•
Multiple video input data formats
- Digital 16-bit YUV (4:2:2) or 12-bit YUV
(4:1:1)
- Digital 8-bit YUV (ITU-R 656)
- Digital 24-bit YUV (4:4:4)
1.3 Noise Reduction
•
Motion adaptive noise reduction filter
1.4 Color Processing
•
Built-in color space conversion
•
Selectable output color space: YUV or
RGB
1.5 Video Processing
•
Advanced, non-linear video processing
•
Motion compensated deinterlacing
•
Programmable peaking
•
Non-linear interpolation
•
Background coloring
•
Anti-flickering circuitry
•
NTSC/PAL to SDTV 480p format conversion
•
Frame rate up-conversion (50Hz up to
75Hz for PAL, 60Hz up to 90Hz for NTSC)
•
DCTI (Digital Color Transient Improvement)
•
Black Level Stretch
•
Saturation Control
1.6 Host Interface
•
I2C interface
•
No programming needed for default mode
application
1.7 General Description and Applications
The NV320 is a single chip digital video processor for progressive and digital TV applications. It provides high quality video
processing including video noise reduction,
motion compensation, sharpness enhancement, and resolution enhancement. It also
provides frame rate conversion and progressive scan conversion with deinterlacing.
The NV320 is a CMOS mixed signal circuit
highly integrated with three, 10-bit digital-to-
2
analog converters controlled by the I
face. The NV320 accepts 16-bit YUV (4:2:2),
12-bit YUV (4:1:1), and 8-bit YUV (ITU-R 656)
simultaneously, or it accepts 24-bit YUV
(4:4:4) input from a front-end digital video
color decoder or from an analog-to-digital
converter. Additionally, NV320 supports multiple video input modes: acquisition mode, linelocked mode, and DVD mode.
The NV320 has an on-chip detection logic
block that corrects non-standard input signals
before processing.
Applications for the NV320 chip are listed
here.
•
Progressive scan televisions
•
Digital televisions (the chip is DTV/HDTV
ready)
C inter-
nDSP CorporationNV320 Data Sheet
•
Internet televisions
•
Home theater and multimedia televisions
•
Video conferencing
3.0 Block Diagram of NV320
Input Video
8-bit YUV
ITU R-656
Selector
&
Formatter
2.0 Ordering Information
Part
Number
Package
Description
Version
nDSP
Video
Enhancement
Processor
10-Bit DAC
10-Bit DAC
10-Bit DAC
NV320
PQFP 208
Plastic quad flat package, 208 leads
1.0
Digital
YUV/RGB
Y/G
U/B
V/R
LLC
LLAD2
HS/CLP
VS
LLA
CLV
HREFO
SCL
SDA
Timing
Controller
Memory
Controller
Host
Interface
SDRAM/SGRAM
Interface
Timing
Generator
Figure 1. Block Diagram of NV320
PCLK
HSQ
HBQ
VSQ
VBQ
VPC 323xDComb Filter Video Processor
1. Introduction
The VPC 323xD is a high-quality, single-chip video front-end, which is targeted for 4:3 and
16:9. 50/60 Hz and 100/120 Hz TV sets. It can be combined with other members of the
DIGIT3000 IC family (such as DDP 331x) and/or it can be used with 3rd-party products.
- Multi-standard color decoder PAL/NTSC/SECAM including all substandards.
- Four CVBS, one S-VHS input, one CVBS output.
- Two RGB/YCrCb component inputs, one Fast Blank (FB) input.
- Integrated high-quality A/D converters and associated clamp and AGC circuits.
- Multi-standard sync processing.
- Linear horizontal scaling (0.25
- PAL+ preprocessing.
- Line-locked clock, data and sync, or 656-output interface.
......
4), as well as nonlinear horizontal scaling 'Panoramavision'.
- Peaking, contrast, brightness, color saturation and tint for RGB/YCrCb and CVBS/S-VHS.
- High-quality soft mixer controlled by Fast Blank.
- PIP processing for four picture sizes (1/4, 1/9, 1/16, or 1/36 of normal size) with 8-bit
resolution.
- Control interface for external field memory.
- I2C-bus interface.
- One 20.25-MHz crystal, few external components.
- 80-pin PQFP package.
SiI 161B PanelLink® Receiver
Data Sheet
General Description Features
The SiI 161B receiver uses PanelLink Digital
technology to support high-resolution displays up to
UXGA (25-165MHz). This receiver supports up to true
color panels (24 bits per pixel, 16M colors) with both
one and two pixels per clock.
All PanelLink products are designed on a scaleable
CMOS architecture, ensuring support for future
performance enhancements while maintaining the
same logical interface. System designers can be
assured that the interface will be stable through a
number of technology and performance generations.
PanelLink Digital technology simplifies PC and display
interface design by resolving many of the system level
issues associated with high-speed mixed signal design,
providing the system designer with a digital interface
solution that is quicker to market and lower in cost.
• Low Power Operation: 280mA max. current
consumption at 3.3V core operation
• Time staggered data output for reduced ground
bounce and lower EMI
• Sync Detect feature for Plug & Display
• Cable Distance Support: over 5m with twisted-
pair, fiber-optics ready
• ESD tolerant to 5kV (HBM on all pins)
• Compliant with DVI 1.0 (DVI is backwards
compatible with VESA
®
P&DTM, FPDI-2
DFP)
• HSYNC de-jitter circuitry enables stable operation
even when HSYNC contains jitter
• Low power standby mode
• Automatic entry into standby mode with clock
detect circuitry
• Standard and Pb-free packages (see page 25).
August 2002
TM
and
4'.+/+0#4; 41&7%6#2'%+(+%#6+10
<
+0'
'%1&'4
•Complete Stand-Alone Line 21 Decoder for Closed-
Captioned and Extended Data Services (XDS)
•Preprogrammed to Provide Full Compliance with
EIA–608 Specifications for Extended Data Services
•Automatic Extraction and Serial Output of Special
XDS Packets (Time of Day, Local Time Zone, and
Program Blocking)
•Programmable XDS Filter for a Specific XDS Packet
•Cost-Effective Solution for NTSC Violence Blocking
inside Picture-in-Picture (PiP) Windows
!"
#$%
&%
"'
•Minimal Communications and Control Overhead Pro-
vide Simple Implementation of Violence Blocking,
Closed Captioning, and Auto Clock Set Features
•Programmable, On-Screen Display (OSD) for Creat-
ing Full Screen OSD or Captions inside a Picture-inPicture (PiP) Window
•User-Programmable Horizontal Display Position for
easy OSD Centering and Adjustment
2
•I
C Serial Data and Control Communication
•Supports 2 Selectable I
2
C Addresses
Capable of processing Vertical Blanking Interval (VBI)
data from both fields of the video frame in data, the Z86229
Line 21 Decoder offers a feature-rich solution for any television or set-top application. The robust nature of the
Z86229 helps the deviceconform tothe transmissionformat
defined in the Television Decoder Circuits Act of 1990, and
in accordance with the Electronics Industry Association
specification 608 (EIA–608).
The Line 21data stream can consist of data from several data
channels multiplexed together. Field 1 consists of four data
channels: two Captions and two Texts. Field 2 consists of
five additional data channels: two Captions, two Texts, and
Extended Data Services (XDS). The XDS data structure is
defined in EIA–608. The Z86229 can recover and display
data transmitted on any of these nine data channels.
The Z86229 can recover and output to a host processor via
2
C serial bus. The recovered XDS data packet is further
the I
defined in the EIA–608 specification. The on-chip XDS filters in the Z86229 are fully programmable, enabling recovery ofonly those XDSdata packetsselectedby the user. This
functionality allows the device to extract the required XDS
information with proper XDS filter setup for compatibility
in a variety of TVs, VCRs, and Set-Top boxes.
In addition, the Z86229 is ideally suited to monitor Line 21
video displayed in a PiP window for violence blocking,
CCD, and other XDS data services. A block diagram of the
Z86229 is illustrated in Figure 1.
I2C-bus controlled BTSC stereo/SAP decoderTDA9850
FEATURES
- Quasi alignment-free application due to automatic adjustment of channel separation via
I2C-bus
- Dbx noise reduction circuit
- Dbx decoded stereo, Second Audio Program (SAP) or mono selectable at the AF outputs
- Additional SAP output without dbx, including de-emphasis
- High integration level with automatically tuned integrated filters
- Input level adjustment I2C-bus controlled
- Alignment-free SAP processing
- Stereo pilot PLL circuit with ceramic resonator, automatic adjustment procedure for
stereo channel separation, two pilot thresholds selectable via I2C-bus
- Automatic pilot cancellation
- Composite input noise detector with I2C-bus selectable thresholds for stereo and SAP off
- I2C-bus transceiver.
NJW1 144AUDIO PROCESSOR
GENERAL DESCRIPTION
The NJW1 144 is a sound processor includes all of the functions required to process the
audio signal for TV , such as tone control, balance, volume, mute, and AGC functions.
Also the NJW1144 performs BBE sound enhancement and SRS 3D Stereo. The BBE
regenerates high definitive and nearly real sound, and SRS 3D Stereo regenerates 3D surround sound with only two speakers.
All of the internal stats and variables are controlled by I2C BUS interface.
FEA TURES
- Operating Voltage8 to 13V
- I2C BUS Interface
- BBE Sound Enhancement (Low Boost and High Boost: 15dB max.)
- Internal 6 Input Audio Selectors and Monitor Output
- The AGC circuit reduces volume difference among input sources.
- V ariable AGC Compression Level via I2C (4-levels)
- SRS 3D Stereo and Simulated Stereo
- V ariable Surround Effect Level via I2C
- Low Noise VCA
- Bi-CMOS Technology
- Package OutlineSOP40
Product Specification of PDP Module
0. Warnings and Cautions
9 WARNING indicates hazards that may lead to death or injury if ignored.
9 CAUTION indicates hazards that may lead to injury or damage to property if ignored.
WARNING
1)This product uses a high voltage (450 V max.). Do not touch the circuitry of this product with your hands when
power is supplied to the product or immediately after turning off the power. Be sure to confirm that the voltage
is dropped to a sufficiently low level.
2)Do not supply a voltage higher than that specified to this product. This may damage the product and may cause a
fire.
3)Do not use this product in locations where the humidity is extremely high, where it may be splashed with water,
or where flammable materials surround it. Do not install or use the product in a location that does no satisfy the
specified environmental conditions. This may damage the product and may cause a fire.
4)If a foreign substance (such as water, metal, or liquid) gets inside the product, immediately turn off the power.
Continuing to use the products it may cause fire or electric shock.
5)If the product emits smoke, an abnormal smell, or makes an abnormal sound, immediately turn off the power. If
noting is displayed or if the display goes out during use, immediately turn off the power. Continuing to use the
product as it is may cause fire or electric shock.
6)Do not disconnect or connect the connector while power to the product is on. It takes some time for the voltage
to drop to a sufficiently low level after the power has been turned off. Confirm that the voltage has dropped to a
safe level before disconnecting or connecting the connector. Otherwise, this may cause fire, electric shock, or
malfunction.
7)Do not pull out or insert the power cable from/to an outlet with wet hands. It may cause electric shock.
8)Do not damage or modify the power cable. It may cause fire or electric shock.
9)If the power cable is damaged, or if the connector is loose, do not use the product; otherwise, this can lead to fire
or electric shock.
10)If the power connector or the connector of the power cable becomes dirty or dusty, wipe it with a dry cloth.
Otherwise, this can lead to fire.
Product Specification of PDP Module
CAUTION
General
1)Do not place this product in a location that is subject to heavy vibration, or on an unstable surface such as an
inclined surface. The product may fall off or fall over, causing injuries.
2)When moving the product, be sure to turn off the power and disconnect all the cables. While moving the
product, watch your step. The product may be dropped or fall, leading to injuries of electric shock.
3)Do not place this product in a location that is subject to heavy vibration, or on an unstable surface such as an
inclined surface. The product may fall off or fall over, causing injuries.
4)Before disconnecting cable from the product, be sure to turn off the power. Be sure to hold the connector when
disconnecting cables. Pulling a cable with excessive force may cause the core of the cable to be exposed or
break the cable, and this can lead to fire or electric shock.
5)This product should be moved by two or more persons. If one person attempts to carry this product alone, he/she
may be injured.
6)This product contains glass. The glass may break, causing injuries, if shock, vibration, heat, or distortion is
applied to the product.
7)The temperature of the glass surface of the display may rise to 80°C or more depending on the conditions of use.
If you touch the glass inadvertently, you may be burned.
8)Do not poke or strike the glass surface of the display with a hard object. The glass may break or be scratched. If
the glass breaks, you may be injured.
9)If you glass surface of the display breaks or is scratched, do not touch the broken pieces or the scratches with
bare hands. You may be injured.
10)Do not place an object on the glass surface of the display. The glass may break or be scratched.
Product Specification of PDP Module
USE
1)Because this product uses a high voltage, connecting or disconnecting the connectors while power is supplied to
the product may cause malfunctioning. Never connect or disconnect the connectors while the power is on.
Immediately after power has been turned off, a residual voltage remains in the product. Be sure to confirm that
the voltage has dropped to a sufficiently low level.
2)Watching the display for a long time can tire the eyes. Take a break at appropriate intervals.
3)PDP ’s brightness and contrast ratio is lower than that of the CRT. The picture is dimmer with surrounding light
and better for viewing in dark condition.
4)Do not cover or wrap the product with a cloth or other covering while power is supplied to the product.
5)Before turning on power to the product, check the wiring of the product and confirm that the supply voltage is
within the rated voltage range. If the wiring is wrong or if a voltage outside the rated range is applied, the
product may malfunction or be damaged.
6)Do not store this product in a location where temperature and humidity are high. This may cause the product to
malfunction. Because this product uses a discharge phenomenon, it may take time to light (operation may be
delayed) when the product is used after it has been stored for a long time. In this case, it is recommended to light
all cells for about 2hours (aging).
7)If the glass surface of the display becomes dirty, wipe it with a soft cloth moistened with a neutral detergent. Do
not use acidic or alkaline liquids, or organic solvents.
8)Do not tilt or turn upside down while the module package is carried, the product may be damaged.
9)This product is made from various materials such as glass, metal, and plastic. When discarding it, be sure to
contact a professional waste disposal operator.
Repair and Maintenance
Because this product combines the display panel and driver circuits in a single module, it cannot be repaired or
maintained at user’s office or plant. Arrangements for maintenance and repair will be determined later
Product Specification of PDP Module
1. GENERAL DESCRIPTION
DESCRIPTION
The PDP42V6#### is a 42-inch 16:9 color plasma display module with resolution of 852(H) × 480(V) pixels.
This is the display device which offers vivid colors with adopting AC plasma technology by LG Electronics Inc.
FEARURES
High peak brightness (1000cd/m2Typical) and high contrast ratio (3000:1 Typical) enables user to create
high performance PDP SETs.
APPLICATIONS
9 Public information display
9 Video conference systems
9 Education and training systems
Product Specification of PDP Module
ELECTRICAL INTERFACE OF PLASMA DISPLAY
The PDP42V6#### requires only 8bits of digital video signals for each RGB color.
In addition to the video signals, six different DC voltages are required to operate the display.
The PDP42V6#### is equipped with P-CUBE function which analyzes display signals to optimize system
control factor for showing the best display performance.
GENERAL SPECFICATIONS
9 Model Name
9 Number of Pixels
9 Pixel Pitch
9 Cell Pitch
9 Display Area
9 Outline Dimension
9 Pixel Type
9 Number of Gradations
9 Weight
#1 : Va
#2 : Va
#3 : GND
#4 : GND
#5 : GND
#6 : GND
#7 : NC
#8 : Vs
#9 : Vs
#10 : Vs
CN807
8 7 6 5 4 3 2 1
#1 : Vs
#2 : Vs
#3 : NC
#4 : GND
#5 : GND
#6 : Va
#7 : GND
#8 : +5V
VendorSpecificationLocation No.
AMP3-176976-2(Red)CN01
AMP3-176976-1(Natural)CN02
AMP3-176976-1(Natural)CN03
AMP171825-7CN801
AMP171825-4CN802
AMP1-171825-2CN803
AMP171825-9CN804
AMP1-1123723-4CN805
AMP1-1123723-0CN806
AMP1-1123723-8CN807
CN801
1
2
3
4
5
6
7
#1 : ACD
#2 : RLY ON
#3 : 5Vst_by
#4 : GND
#5 : Vs ON
#6 : 5VD
#7 : NC
CN01
1 2
From inlet
* PSU operation method S/W
12
Auto : Automatic On/Off
Normal : On/Off with Vsc B/D
CN02CN03
Live
1 2
Neutral
Before connecting with S/W
AMP171825-8CN808
AMP171825-2CN809
without Vsc B/D
1 2
Live
Neutral
After connecting with S/W
¨
Adjustment detail
9. Adjustment detail
Product Specification of Power Supply Unit
CN808
1
2
3
4
5
6
7
8
CN804
1
2
3
4
5
6
7
8
9
CN803
1
2
3
4
5
6
7
8
9
10
11
12
CN809
1
2
4 3 2 1
Selection S/W
24V 30V
Selection S/W
CN805
10 9 8 7 6 5 4 3 2 1
CN806
8 7 6 5 4 3 2 1
Vs adj.
* Vs Voltage Variabe Resistor
- Turn right, increase Voltage
Turn left, decrease Voltage
Va adj.
* Va Voltage Variabe Resistor
- Turn right, increase Voltage
Turn left, decrease Voltage
* You can select output Audio Voltage(24V or 30V)
CN807
CN802
1
2
3
4
Normal
(Mode1)
CN801
1
2
3
4
5
6
7
* Connect with Noisefilter Cable
Auto
(Mode2)
* PSU driving method S/W
12
Auto(Mode2) : Driving without
Normal(Mode1) : Driving with interface B/D
* Connect with S/W Cable
* Connect with S/W Cable
interface B/D
CN02CN03
1 2
Live
1 2
1 2
Neutral
CN01
※ The color of CN01 is red.(The color of CN02, CN03 are natural.)
Live
Neutral
8. LABEL
LABEL Sticking Position
Product Specification of PDP Module
Coner Plate
E/X Tube
Y-SUS
X left
ⓐ
ⓑⓒⓓ
CONTROLLER
Signal Input
(R,G,B,H/Vsync.)
ⓔ
X right
ⓕ
3211QKE008A
ⓖ
Z-SUS
P/N
(carved)
Identification Label : LABEL ⓐ
7.0 ㎝
①
②
③
④⑤⑥
① Model Name
② Bar Code (Code 128, Contains the manufacture No.)
③ Manufacture No.
④ The trade name of LG Electronics
⑤ Manufactured date (Year & Month)
⑥ Manufactured place
2.5 ㎝
⑦
Trouble Shooting Manual of PDP Module
- Introduction
- Precautions
- Basic
- Trouble shooting
1. Introduction
COMPOSITION OF PDP BOARDS
Y-DRIVE
TOP
Y-SUS
B/D
Y-DRIVE
BOTTOM
42” V6 MODEL.
PSU
Z-SUS B/D
IPM
IPM
X-LEFT B/D
COF
COF
CONTROL B/D
X-RIGHT B/D
1. Introduction
Definitions
■
Definition of MODULE position
* Back side of module
Exhaust
hole
short 1
long 1
COF long2-1
■
Identification label
①
②
③
402K242V6000266.ASLGA
long 2
••••••••
6####
⑦
2004.02
④⑤⑥
short 2
COF long 2-7
① Model Name
② Bar Code (Code 128, Contains the manufacture No.)
③ Manufacture No.
④ The trade name of LG Electronics
⑤ Manufactured date (Year & Month)
⑥ The place Origin
⑦ Model Suffix
1. Introduction
Voltage label (Attached on back side of module)
■
Vsc-VyVsetup
Part No. label (Attached on board)
■
PCB PART NO.
COF serial No. label (attached on COF)
■
BOARD ASS`Y
PART NO.
BOARD NAME
BOARD SERIAL NO.
COF SERIAL NO.
1. Introduction
■
Terms of defect
AppearanceTerm
Add short (line on)
Add open (line off)
Sus short (line on)
Sus open (line off)
8
/40
2. Precaution
Safety precautions
Be sure to read this before service. When using/ handling this PDP module, Please pay attention to the
below warning and cautions.
1. Before repairing there must be a preparation for 10 min.
2. Do not impress a voltage that higher than represented on the product.
3. Since PDP module uses high voltages, Be careful a electric shock
and after removing power some current remains in drive circuit.
so you can touch circuit after 1 min.
4. Drive circuits must be protected from static electricity.
5. The PDP module must be Moved by two man.
6. Be careful with short circuit of PDP boards when measuring any voltages.
Before request service
1. Check panel surface and appearance of B/D.
2. Check the model label. Whether it is boards of same model with label.
3. Before requesting Service, please inform us a detail defect phenomenon and history of module.
it can be helpful to us for a smooth sevice.
Ex) COF long 2-1 fail ,address 1 line open, Y b/d problem , mis-discharge.
9
/40
2. Precaution
Handle with care (COF)
COF is the most important component in the PDP module.
Even a little imperfection of COF can make a serious screen problem.
SCRATCHINGTEARINGBEING PUSHED
BENDINGCHOPING
3. Basic
1. X B/D
: receiving LOGIC signal from CONTROL B/D and make ADDRESS
Confirm exhausting Tip and find Crack with naked eyes to check vacuum state.
If there is problem replace the module .
⇒ in case of vacuum breakdown, module makes a shaking noise because of inside gas ventilation.
(there may be a small crack which could not see with naked eyes. And this noise is different from Capacitor noise. )
22
CRACKEDNORMAL
/40
4. Trouble shooting.
3. PSU(Power Supply Unit)
1. Check each unit part of PSU inside with naked eyes.
(capacitor, FET, a kind of IC, resistor)
2. Check FUSE and SW1 (on Normal).
3. Check Output voltage which is converted from AC V
to DC V.
voltage Check (5V, Va, Vs)
※ When PSU Protection occurred. Check Short
between Y-SUS, Z-SUS B/D .
Confirm
if not same
input voltage
Adjust
voltages
Vs Voltage ADJ
SW1 Normal
Fuse open check
Va, 5V(VCC) Voltage ADJ
Multi-meter Touch point
(5V, Va ,Vs must accord with Module Label)
(Vs : About 180 ~195 V)
Va : About 55 ~65 V
■
5V(VCC) : 5V~5.5V)
■
4. Trouble shooting.
4. Ctrl B/D
1. Confirm LED D17(flashing) ,13 lighting
2. If not CHECK OSC X1 output.
3. Check CTRL input voltage
(CONNECTOR P300)
4. CHECK 3.3V, 5V,15V.
5. Check IC 11 3.3V
IC 3 2.5V
OSC(X1)
Probe
Touching
point
Diode
Input voltage
Check oscillating state.
(normal 100 MHZ)
Be careful with physical shock.
Check IC 11,13
DMM +
DMM – (GND)
4. Trouble shooting.
5. Y-sus B/D
1. Check FUSE [FS1(5v) ,FS2(Vs)].
Vscw
FS2
2. Check voltages(Vsetup,-Vy, Vscw)
3. Check DIODE between GND and Y SUS output.
[SUSUP(OC2) SUSDN(OC1)].
forward=0.4 ,reverse=OVERLOAD.
4. Check whether output voltages agrees
with voltage that represented in label.
Vsetup
setdn
setup
-Vy
FS1
25
/40
4. Trouble shooting.
■
Check whether output voltages agrees with voltage that represented in label.
■
Check diode value GND between Y-SUS output.
Normal diode value = OL (reverse)Normal diode value= 0.4 (forward)
4. Trouble shooting.
6. Z-sus B/D
1. Check the FUSE.
2. Check input voltages.(Va, 5V,15V)
3. Check FPC out put diode value.
4. Check ramp waveform.
■
Check the FUSE
5V FUSE
■
Check input voltages
Va FUSE 6.3AVs FUSE 2A or 4A
4. Trouble shooting.
■
Variable resistance of Z RAMP
waveform slope.
■
Check FPC output diode value.
caution: check certainly after removing FPC.
Normal diode value=0.375(forward)
Normal diode value=OVER LOAD(reverse)
4. Trouble shooting.
◎
Power protection
It is power protection when power is off automatically within 2~3 min. from power on.
Power protection function protect the boards when occurred short on circuits of PDP module or power problem.
If can not impress power even after replacing PSU, find out where the short occurred.
* PSU makers.
29
UNICON PSUDAEGIL PSU
/40
4. Trouble shooting.
Vertical defect (bar)
Check each section with following method if there is problem, replace or repair that part.
If not go to the next section.
1. Connector
Check COF connector.
If not connected well,it will Make a bar defect .
Check here
2. Checking COF
Confirm whether COF was torn. And then check input of COF resistor and IC.
COF 6 is torn partly
Tearing
BarCheck here
Off
30
/40
4. Trouble shooting.
◎
Checking address COF input of resistor and IC
■
COF resistor checking
Check the both side of resistor With Digital multi meter(DMM) .
If the resistor is normal, the resistor value will be 10.2 ~ 10.8
But if not, the value will be 0 or infinity and replace the resistor.
Ω
31
/40
4. Trouble shooting.
◎
Checking address COF input of resistor and IC
■
IC input checking
Inside of IC , there is 4 ea diodes which separated in 2 series .
(input 2, output 2)
*how to check
1.contact DMM - terminal to a right terminal of condenser(GND)
and DMM + terminal to a right terminal of IC, normal value 0.66 (fig.1)
2.contact DMM - terminal to Output terminal of resistor, and
DMM + terminal to a right terminal of IC , normal value 0.73 (fig.2)
Fig. 1
DMM(- terminal)
DMM( + terminal)
Fig. 2
`
DMM (+ terminal)
DMM (- terminal)
4. Trouble shooting.
3. Ctrl B/D
CTRL B/D supplies video signal to COF. So if there is a bar defect on screen,
It may be the ctrl b/d problem.
A flow of address signal
In this figure, we can easily suppose
what will be appeared on screen when a specific part failed.
<Diagram of ctrl b/d>
MCM
Buffer
IC
Array저항
각각 16 line
COF IC1COF IC2COF IC3COF IC4
96 output
4. Trouble shooting.
Vertical defect (line)
In case of 1 line open or short , check foreign substances in COF connector.
First blow up foreign substances with your mouth. And then if the same line appears, replace the panel.
1 line open or short
This phenomenon is due to COF IC inside short or adherence part of the Film and rear panel electrode problem.
In this case, replace the panel.
1 line open
1 electrode open
Line open or short with same distance.
This is MCM of Ctrl b/d defect. MCM can not be replaced separately. So replace the ctrl b/d.
MCM (Multi Chip Module)
4. Trouble shooting.
line defect from each parts
• Case 1: Buffer IC fail
COF IC 1,2 ⇒192 line(96+96) open.
COF IC 3,4 ⇒64 line open (with fixed interval there is on,off ……. Repetition)
• case 2 : Array resistor fail
COF IC1 ⇒16 line , COF IC2 ⇒16 line open
• case3 : COF IC fail
96 line open.
16 line open
96 line open
/40
4. Trouble shooting.
Horizontal (bar)
Most horizontal defects can be repaired. In case of adherence part of the Film and rear panel
electrode defect or panel electrode open,short , replace the panel.
1. Connector
It can make a horizontal bar that connector on Y b/d and Z b/d did not plugged well. Because sustain voltage
can not be supplied to panel. So check connectors (FPC, Y drv –Y drv) first.
Disconnected
Horizontal bar
Disconnected
Screen off
4. Trouble shooting.
2. Scan IC check
Check diode value of the right side part of output pin.
Normal diode value. (in case of Panasonic IC=1.035)
* It can be different from each IC Maker. (in case of TI IC= 0.6~0.7)
DMM +DMM -
Check here with DMM(either forward or reverse is ok)
37
/40
Defect diode value= 0.018
4. Trouble shooting.
Horizontal (line)
1. Check FPC
In case of horizontal 1 or more line, it is due to FPC or panel inside .
ctrl b/d, Y b/d is just normal.
FPC electrode open
Panel electrode
Insulation break down
2. Check scan IC
Check with same method that presented in Horizontal (bar).