5. PANEL Part…………………………………………………………..8
a. Adjustment……………………………………………………….8
b. Trouble Shooting………………………………………………10
c. Power specification……………………………………………20
6. Introduction to PDP circuit boards………………………………..23
The 42” PDP provides quality image displays and is suitable for a variety of
multimedia applications.
a. Available Input signals:
The Digital module provides RGB (D-SUB15 PIN) and digital DVI input
connectors, and component video (RCA) input connectors. It supports
the quality input image of DVD and HDTV (480P/720P/1080i/1080P).
The analogue module provides composite video (RCA), S-video
(DIN4P), The analogue module also provides one set of stereo audio
input connectors (RCA).
The product supports PC image resolutions up to XGA (1024х768)
with a vertical frequency of 75HZ.
RF terminal,you can watch TV expediently,The format contain
PAL-M/N,NTSC-M
b. General specification
Model name: P42L6A-T1(H)
Number of pixel:1024(H)×768(V) (1Pixel=3RGB Cells)
Display area : 920.1(H) x 518.4(V)±0.5mm
Color arrangement : RGB Closed type
Number of COLRO : (R)1024 x (G)1024 x (B)1024
Aspect Ratio : 16:9
Peak Brightness : Typical 1200dc/(1/100 White Window)
Contrast Ratio : Typical 10000:1(Dark room 1/100 White Window)
(White Window Pattern at Center)
POWER CONSUMPTION : Typical 320 W(Full White)
Available voltage range:AC110V~240V
Frequency range:50~60HZ(±3HZ)
- 4 -
2. Safety Precautions
When servicing of PDP Module, it should be not enforced into another way
aside next rule, or a unaccustomed person should not repairing. When
using/handling this PDP Module, pay attention to the below warning and
cautions.
Warning
Indicates a hazard that may lead to death or injury if the warning is ignored
and the product is handled incorrectly.
Caution
Indicates a hazard that can lead to injury or damage to property if the
caution is ignored and the product is handled incorrectly.
1) WARNING
(1) Do not touch Signal and Power Connector while this product operates.
Do not touch EMI ground part and Heat Sink of Film Filter.
(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 product, it is may cause fire or electric shock.
(5) If the product emits smoke, and abnormal smell, or makes
an abnormal sound, immediately turn off the power.
Continuing to use the product, it 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.
(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.0therwise, this can lead to fire.
(11) PDP Module uses a high voltage (Max.450V dc). Keep the cautions
concerning electric shock and do not touch the Device circuitry when handling
the PDP Unit. And because the capacitor of the Device circuitry may remain
- 5 -
charged at the moment of Power OFF, standing by for 1 minute is required in
order to touch the Device circuitry.
2) CAUTIONS
(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) 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.
(3) This product should be moved by two or more persons. If one person
attempts to carry this product alone, he/she may be injured.
(4) This product contains glass. The glass may break, causing injuries, if shock,
vibration, heat, or distortion is applied to the product.
(5) The temperature of the glass 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.
(6) If 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.
(7) PDP Module requires to be handled with care not to be touched with metal
or hard materials, and must not be stressed by heat or mechanical impact.
(8) There are some exposed components on the rear panel of this product.
Touching these components may cause an electric shock.
(9) 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 all leading to injuries of electric shock.
(10) In order to protect static electricity due to C-MOS circuitry of
the Drive part, wear a wrist band to protect static electricity
when handling.
(11) If cleaning the Panel, wipe it with a soft cloth moistened with water or a
neutral detergent and squeezed, being careful not to touch the connector part
of the Panel. And don’t use chemical materials like thinner or benzene.
(12) If this product is used as a display board to display a static image, “image
sticking” occurs. This means that the luminance of areas of the display that
remain lit for a long time drops compared with luminance of areas that are lit for
a shorter time, causing uneven luminance across the display The degree to
which this occurs is in proportion to the luminance at which the display is used.
To prevent this phenomenon, therefore, avoid static images as much as
possible and design your system so that it is used at a low luminance, by
reducing signal level difference between bright area and less bright area
through signal processing.
(13) Because PDP Module emits heat from the Glass Panel part and the Drive
circuitry, the environmental temperature must not be over 40°C.
The temperature of the Glass Panel part is especially high owing to heat from
- 6 -
internal Drive circuitry. And because the PDP Module is driven by high voltage,
it must avoid conductive materials.
(14) If inserting components or circuit board in order to repair, be sure to fix a
lead line to the connector before soldering.
(15) If inserting high-power resistor (metal-oxide film resistor or metal film
resistor) in order to repair, insert it as 10mm away as from a board.
(16) During repairs, high voltage or high temperature components must be put
away from a lead line.
(17) This is a Cold Chassis but you had better use a cold transformer for safety
during repairs. If repairing electricity source part, you must use the cold
transformer.
(18) Do not place an object on the glass surface of the display. The glass may
break or be scratched.
(19) This product may be damaged if it is subject to excessive stresses (such
as excessive voltage, current, or temperature).
The absolute maximum ratings specify the limits of these stresses.
(20) The recommended operating conditions are conditions in which the
normal operation of this product is guaranteed. All the rated values of the
electrical specifications are guaranteed within these conditions.
Always use the product within the range of the recommended operating
conditions. Otherwise, the reliability of the product may be degraded.
(21) This product has a glass display surface. Design your system so that
excessive shock and load are not applied to the glass. Exercise care that the
vent at the corner of the glass panel is not damaged If the glass panel or vent
is damaged, the product is inoperable.
(22) Do not cover or wrap the product with a cloth or other covering while
power is supplied to the product.
(23) 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.
(24) 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 2 hours (aging).
(25) 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.
(26) If faults occur due to arbitrary modification or disassembly,
HAIER is not responsible for function, quality or other items.
(27) Use of the product with a combination of parameters conditions or logic
not specified in the specifications of this product is not guaranteed. If intending
to use the product in such a way, be sure to consult HAIER in advance.
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3.Photo of PDP taking apart
The introduction of circuit board at Back board:
NAME MATERIAL CODE
MODEL (PDP 42X3) 0094014444
X-SUS(left) 0094014670
X-SUS(right) 0094014671
Y-SUS 0094014672
Y-DRIVER 0094014673
Z-SUS 0094014674
CTROL BOARD 0094014675
PSU 0094014676
Y-SUS
PSU
Z-SUS
Y-DRIVER(TOP)
Y-DRIVER(BTM)
X-SUS(left)
CTROL BOARD
X-SUS(right)
- 8 -
Printed Circuit Digital Board(Main Board)In bom we call it Digital board subassembly
Printed Circuit Audio Board,In bom we call it Emulation board subassembly
4.Panel part
a. Adjustment
- 9 -
- 10 -
b.Trouble shooting
- 11 -
- 12 -
- 13 -
- 14 -
- 15 -
- 16 -
- 17 -
- 18 -
- 19 -
- 20 -
c. Power specification
(1).Output voltage
- 21 -
(2). Micro Controller control signal
Input signal(to PSU):
RLY signal ( High : Low Voltages*1are ON Low : Low Voltages are OFF)
VS ON signal (High : High Voltages*2are ON Low : High Voltages are OFF)
Output signal(from PSU)
ACD signal (High : 75V < AC Input Voltage Low : 70V > AC Input Voltage)
5VD signal(High : Module logic Voltage*3is 5V Low : Module logic Voltage is 0V)
*1. Low Voltages : 5Vstand-by , 5Vsc, 9Vsc, 12Vsc, Vaudio
*2. High Voltages : Va, Vs
*3. Module logic Voltage : 5Vctrl
(3).PSU ON/OFF sequence
- 22 -
(4).PSU INPUT/OUTPUT PIN
- 23 -
- 24 -
6. Introduction to PDP circuit boards
a: Signal flow-chart
SVIDEO_1
Component
CVBS1
4M X32
DDR
ADDRESS[18:0]
DATA[7:0]
AUDIO
SW
PC
AUDIO
MAIN
BOARD
YUV
AUDIO
Differential
Output
LVDS
Output
VIDEO
CVBS_OUT
AMP
2Vp_p
FLASH
MEMORY
TV AND
AUDIO
DECODER
TV&AUDIO
BOARD
AV
AUDIO
PC IN
DVI IN
PC RGB
PC_HS/VS
With 75 ohm
pull down
DVI
MST 3788
24-bit Data
HS, VS, CLK
SVP-EX
PQFP256
I2C
M30620SPGP
DVI
AUDIO
- 25 -
b: CHIP SUMMARY
M30620: 16-BIT CMOS SINGLE-CHIP MICROCOMPUTER
The single-chip microcomputer operate using sophisticated instructions
featuring a high level of instruction efficiency. With 1M bytes of address space,
they are capable of executing instructions at high speed. In addition, this
microcomputer contains a multiplier and DMAC which combined with fast
instruction processing capability.
SVP-EX52: VIDEO DECODER+DE-INTERLACE+SCALE
The SVP_EX-52 video processor is a highly integrated system on a chip
device, targeting the converging HDTV-ready and PC-ready and LCD TV, PDP
TV, and DLP TV applications where high precision processing of video and
data are the requirements. SVP_EX-52 contains dual-purposed triple 10-bit
high-precision and high-speed video ADCs for both PC and video inputs, a
high performance 5th generation multi-format 3D digital comb video decoder
that supports NTSC, PAL and SECAM, an HDTV sync separator, motion
adaptive de-interlacing engine, and the video format conversion engine,
MST3788: 8-bit Analog and HDCP Interface for Advanced Digital Displays
The MST3788 integrates both analog interfaces and HDCP compliant
receivers for enabling advanced digital display devices such as digital TVs,
plasma displays, LCD TVs and projectors to receive and display. Compliant
with the HDCP 1.0 specification, the MST3788 enables consumer electronic
devices to receive uncompressed, high quality, digital video HD content over a
single, low-cost DVI cable.
MSP3450G: AUDIO DECODER
The MSP 34x0G family of single-chip Multistandard Sound Processors covers
the sound processing of all analog TV-Standards worldwide,
K4D263238F:
128M DDR SDRAM
C: Debug flow-chart
AC ON
STANDBY +5V FOUND
Initialization:
*Vs on
+60 +190 FOUND
- 26 -
Power board: NO
System Reset
Power On
YES
Power failure
+9V +12V +5V
+2.5V +3.3V +1.8V
FOUND
SvpEx E0 error
SvpEx Reset
Svpex E0 Good
InitAppHas Accomplish
Non integrity
PICTURE DISPLAY
GOOD
Whether alternating current
input
*Repair power board.
*Replace fuse.
*Check dc-dc circuit
and LDO circuit.
*SvpEx no ack.
* SvpEx communicate with
MCU was wrong.
*SvpEx communicate with
DDR was wrong.
5
4
3
2
1
REVISION HISTORY OF 42PDP TV REFERENCE BOARD
REVSIGNATUREDATEDESCRIPTION
May 9 2004
A-00
DD
June 18
2004
DRAFT RELEASE
CPU SDA5550M CHANGE TO M30620SPGP
video decoder vpc3230d change to SAA7117A
DVI CHANGE HDMI
Liuchy
Liuchy
July 24
2004
add audio input circuit
Liuchy
3.CN11 6PINS CHANGED TO 8PIN,THIS ADDED VIDEO OUT PIN FOR VIDEO OUT RCA
TERMINAL CN40 MOVED TO EXTENDSION BOARD.
4.U4 ADDED USB YCBCR INPUT,MST3288 CHANGED TO MST3388,CN9 5x2 2mm
CHANGED TO 4x2 2mm CONNECTOR,deleted RP47 CP8.
5.HDMI TERMINAL CHANGED TO DVI TERMINAL,CN34 PIN's definition were
changed.
6.ADDED C475,R425,R433,C479,R373.
7.R99 TV_PIP_7117_1 NET WAS DELETED.
8.DELETED D14 FOR CPU +5V POWER.
8.CN15 AND CN16 WERE incorporated to new 12X2 pins connector CN16.
9.CN28 8pins changed to 9pins:added vcc pin for led backlight and
added C481.
10.BACKLIGHT CONNECTOR CN29 PIN's definition were changed.ADDED E_PWM
NET AND ISEL NET.
Nov. 16
A-01
2004
CC
1.HDMI IC SiI9993 CHANGED TO MST3288
2.SVP_EX PIN18(FIELD I/O) CONNECTED TO MST3288 PIN71.
3.U3 DDRSDRAM PIN52(MCL) ADDED R282 FOR SAMSUNG AND HYUNGAI DDR OPTION.
4.MST3288 ADDED VGA INPUT AND YUV INPUT.
5.CN9 8PINS CHANGED TO 10PINS FOR 4 DIGTAL AUDIOS OUT IN MST3288.
6.U8 ADDED R367,R368,RP45,RP46,R272,R274,R275,R278,R370,R369,R371 FOR
COMPATIBILITY OF SAA7117AH AND SAA7119H.
7.SAA7117AH PIN44(CE) INPUT DIVIDED VOLTAGE CIRCUIT BE DELETED.
8.U11 CPU PIN3'S OUT BUFFER BE DELETED.
9.U11 CPU PIN7(CNVss) ADDED R365 PULL UP RESISTER FOR EXTENSE ROM
MODE'S SELECTION.
10.ADDED U17 CS4334 FOR COST DOWN OF DIGTAL AUDIO D/A PROCESSOR.
11.DELETED U17 PI5V330 AND YUV INPUT BUFFER.
12.U18,U21 ADDED 7117_CE NET AND RST_#5V NET'S LEVEL FROM +5V TO
3.3V CIRCUIT.
Liuchy
Mar.12
2005
C-01
13.ADDED FB31,FB32,CN35 3.3V POWER INPUT CONNECTOR FOR OUTSIDE
POWER SUPLY DESIGN OPTION.
14.CPU 90PIN(CE_REMOTE) AND 74PIN(S-VHS/V1#_SW) NET'S definition
EXCHANGED.
15.ADDED TUNER IC U31
16.DELETED CN26,CN27 PIN 9,10 OF definition HAVED CHANGED.
May.20
2005
BB
C-02
C-03
2005
Jun.28
2005
Sep.23
2005
Jan.3
2006
A-02
Dec. 30
2004
1.Added EX52 CVBSOUT R121,R125,C220
2.Chang EX52 PIN186,204,65,19 from VD3.3 to 3.3V_SB and
a regulator U32 from 5V_SB to 3.3V_SB.
3.SAA7117H DELETED RP26,RP27,RP28,RP29
4.ADDED a regulator U33 from 3.3V to 1.8V TO SAA7117H AND XC2028.
5.R21 10K CHANGED TO 1K.
6.DELETED R284,R285 AND ADDED Y4 CRYSTAL.
7.ADDED FB40 FOR VDDH3_3 NET.
Liuchy
11.DELETED +5V POWER SWITCH:U22,C264,C262,R342,R349,R351,Q14.
12.DELETED 3V3S LDO POWER SUPPLY:U24,C274,C275,FB21.
13.DELETED B3V3 LDO POWER SUPPLY:U27,C290,C291,FB26.
14.ADDED DC/DC POWER SUPLY VCC,3V3S,VCC_USB.
1.Added FB21 FOR CN3 POWER 3.3V.
2.Added D18~D29 FOR DVI PROTECTION.
3.Added R211,CN16 24PINS CHANGED TO 26PINS FOR VIDEO2 INTERFACE.
4.DELETED R170,CN6 PIN1 CONNECTED TO 5V_SB NET.
5.CN8,CN10 3PINS PHONEJACK CHANGED TO 5PIN(WITH SWITCH) PHONEJACK.
6.CN7 PHONEJACK CHANGED TO RCA CN40,CN7 JACK.
7.CN10 PHONEJACK AND CN26,CN31 RCA JACKS ARE OPTION TO DVI
AUDIO INPUT TERMINALS.
8.C268,R284 ADDED CVBS_OUT NET FOR DC CLAMP.
9.CN12 PIN16 S_VOUT NET CHANGED TO CONNECTED AGND.
10.CN17,CN13,CN14 S/VIDEO1 TERMINALS MOVED TO TV BOARD SO DELETED
R264,R266,L9,C226,R269,L10,R265,C225,R267,R268.CN11 8PINS CHANGED
TO 8x2PINS WITH ADDED S/VIDEO INPUT PINS TO TV BOARD.
11.CN16 PIN17,19 VCC POWER ADDED L24,C107 FILTER.
12.CN30 WAS DELETED.
13.U7 LM2937IMP-2.5 CHANGED TO LM1117BMPX-2.5,U46 78M05 CHANGED TO
AZ1085D-5.0 TO-252.
14.U41,U42,U47 WERE ALL CHANGED TO MP1583.
1.DELETED U16 TEA2014.
2.DELETED U8 SAA7117 VIDEO OUT AMPLIFIER.
1.R250,R251,R253,R87,R88,R90 27R-->0R.Jun.20
2.R255,R256,R257,R108,R115,R109 47R-->75R.
1.DELETED R211.(UPDATE SCH.)
1.DELETED C379,C380,C384.
2.ADDED R402,R403,R404 75 OHM.
1.CN37 PINS SWAP.
Liuchy
Liuchy
Liuchy
8.C344 VCC NET CHANGED TO AVCC NET.
9.C70,C97,C100,C104,C105,C117,C118,C120 CHANGED FROM 1000pF TO
100nF;C87,C88 CHANGED FROM 4700pF TO 100nF;C91 CHANGED FROM 10nF TO
100nF.
AA
C-00
Jan.13
2005
1.Added DC/DC POWER 3.3V +5V(MAIN) AND +5V FOR USB INTERFACE.
2.Added USB POWER CONNECTOR AND YCBCR&CONTROL INTERFACE:CN37, CN38 AND
ADDED COMPONENTS:
R426,R427,R428,R429,R430,R431,R432,C476,C477,C478,R434,R435 DELETED
C333.