HITACHI P42T01EA, P42T01UA, P50T01EA, P50T01UA, P50TP01EA, P50TP01UA Service Manual
Specifications and Main Features
Frequently Asked Questions
User Manual
SERVICE MANUAL
MANUEL D'ENTRETIEN
WARTUNGSHANDBUCH
SM016
P42T01E
P42T01EA
P42T01U
P42T01UA
P42TP01E
P42TP01U
P50T01E
CAUTION:
Before servicing this chassis, it is important that the service technician read the “Safety
Precautions” and “Product Safety Notices” in this service manual.
ATTENTION:
Avant d’effectuer l’entretien du châassis, le technicien doit lire les «Précautions de sécurité»
et les «Notices de sécurité du produit» présentés dans le présent manuel.
VORSICHT:
Vor Öffnen des Gehäuses hat der Service-Ingenieur die „Sicherheitshinweise“ und „Hinweise
zur Produktsicherheit“ in diesem Wartungshandbuch zu lesen.
P50T01EA
P50T01U
P50T01UA
P50TP01E
P50TP01U
P50TP01EA
P50TP01UA
Data contained within this Service
manual is subject to alteration for
improvement.
Les données fournies dans le présent
manuel d’entretien peuvent faire l’objet
de modifications en vue de perfectionner
le produit.
Die in diesem Wartungshandbuch
enthaltenen Spezifikationen können sich
zwecks Verbesserungen ändern.
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
Plasma TV
May 2007
P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
Contents
1. Features -----------------------------------------------2
Please read this page before repairing the monitor.
This page explains the following items for keeping the safety of the set and preventing accidents during repair.
Symbols used:
Warning
Caution
This symbol means "CAUTION"
This symbol means "POSSIBILITY of
ELECTRIC SHOCK"
This symbol means "possibility of death or heavy damage"
This symbol means "possibility of damage or break age"
Follow instructions.
Special attention parts are indicated
on cabinet, chassis and parts by label.
Please follow the notes in [Safety Instructions] in the User’s Manual.
Prevent electric shock.
Take care during working because
the monitor has high voltage parts
and power supply parts.
Possibility of electric shock if these
parts are touched.
Disconnect the mains plug during
overhaul, reassembly or parts change.
Death or injury by electric shock may
occur if live parts are touched.
Use recommended components.
Components and parts with special
characteristics for safety or reliability
are indicated in parts lists and circuit
diagrams by the
Electric shock or fire may occur if non-
recommended components or parts
are used.
mark.
This symbol means "MUST"
This symbol means "DO NOT"
WARNING
Keep the same style of wiring.
The Monitor uses insulating tubes
or tapes for safety and some components are kept at a distance from
PCB surfaces for safety.
Internal leads are kept from hot- or high
voltage parts by clampers or styling.
Return wiring to original condition after
repair to prevent electric shock or fire.
Perform safety check after finishing.
Every part (removed screws, components and wiring) should be returned
to its original condition.
Check around the repair position for
damage and measure insulation
impedance by using a meg-ohm meter.
Confirm that the value of impedance
is more than 4M ohm.
Electric shock or fire may occur if
the value is less than 4M ohm.
The code and combination circuit of the
HDCP is not a repairable item.
Never remove the shield case that is
assembled to the code and combination
circuit of the HDCP.
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P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
PRECAUTIONS
Cleaning the plasma screen panel of the monitor
Before cleaning the monitor, turn off the monitor and disconnect the power plug from the power outlet.
To prevent scratching or damaging the plasma screen face, do not knock or rub the surface with sharp or
hard objects. Clean the screen with a soft cloth moistened with warm water and dry with a soft cloth. If thisis not sufficient, use a cloth with mild detergent. Do not use harsh or abrasive cleaners.
Cleaning the cabinet of the monitor
Use a soft cloth to clean the cabinet and control panel of the monitor. When excessively soiled dilute a neutral detergent in water, wet and wring out the soft cloth thenwipe with a dry soft cloth.
Never use acid/alkaline detergents, alcoholic detergents, abrasive cleaners, soap powder, OA cleaners, carwax, glass cleaners, etc. because these cause discoloration, scratches or cracks.
Information for users applicable in European Union countries
This symbol on the product or on its packaging means that your electrical and electronic
equipment should be disposed at the end of its life separately from household waste.
There are separate collection systems for recycling in EU. For more information, please contact the local authority or the dealer where you purchased the product.
The 50-inch colour plasma display panel, with a resolution of 1280 (H) x 1080 (V) pixels, and the 42-inch colour plasma
display panel, with a resolution of 1024 (H) x 1080 (V) pixels, creates a high-definition, large-screen (aspect ratio:
16:9) and low-profile flat display. Free from electromagnetic interferences from geomagnetic sources and ambient
power lines, the panel produces high-quality display images free from colour misconvergence and display distortion.
High Performance Digital Processor
A wide range of input signals can be handed, including composite, component and HDMI. High Definition Digital
Processor creates the fine-textured image with dynamic contrast.
Easy-to-use remote control and on-screen display system
The remote control included eases the work of setting display controls. Further, the on-screen display system displays the status of signal reception and display control settings in an easy-to-view fashion.
Connecting to an Audio Visual Device
• Three Scart terminals
added. A composite video output terminal is also provided as a monitoring output.
*1
AV1 scart applies composite/ S-video
AV2 and 3 scart applies composite/ RGB
*2
AV5 composite/S-Video=Side Input
*3
AV4 can be connected to the equipment with either component or composite Output.
SD card slot installed
*1
, composite/S terminal*2, a component terminal*3and two HDMI terminals have been
Power Swivel Feature
Allows turning the plasma display left or right within ±30 degree using the remote control.
2
P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
Digital Terrestrial Television Broadcasting
Converting to digital signal enables more channels and add various useful features, such as Electric
Programme Guide, Digital Teletext and so on. Further, digital signal can create a high quality picture.
This logo indicates that the product is compliant with European Digital Broadcasting.
DVB is a registered trademark of the DVB Project.
Approx. 42 inches
(930(H) x 523(V) , diagonal 1060mm)
including Stand:
1060(W)x780(H)x360(D) mm
excluding Stand:
1060(W)x710(H)x110(D) mm
including Stand: 36.2kg
excluding Stand: 29.2kg
RF Video System
• The unit takes at least 30 minutes to attain the status of optimal picture quality.
PAL B, G, H / I / D, K
SECAM B, G / K1 / L, L' / D,K
DVB-T
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P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
3. Service points
Lead free solder
This product uses lead free solder (unleaded) to help preserve the environment. Please read these
instructions before attempting any soldering work.
Caution: Always wear safety glasses to prevent fumes or molten solder from getting into the eyes. Lead
free solder can splatter at high temperatures (600˚C).
Lead free solder indicator
Printed circuit boards using lead free solder are engraved with an "F."
Properties of lead free solder
The melting point of lead free solder is 40-50˚C higher than leaded solder.
Servicing solder
Solder with an alloy composition of Sn-3.0Ag-0.5Cu or Sn-0.7Cu is recommended.
Although servicing with leaded solder is possible, there are a few precautions that have to be taken. (Not
taking these precautions may cause the solder to not harden properly, and lead to consequent malfunctions.)
Precautions when using leaded solder
Remove all lead free solder from soldered joints when replacing components.
If leaded solder should be added to existing lead free joints, mix in the leaded solder thoroughly after the
lead free solder has been completely melted (do not apply the soldering iron without solder).
Servicing soldering iron
A soldering iron with a temperature setting capability (temperature control function) is recommended.
The melting point of lead free solder is higher than leaded solder. Use a soldering iron that maintains a high
stable temperature (large heat capacity), and that allows temperature adjustment according to the part being
serviced, to avoid poor servicing performance.
Recommended soldering iron:
Soldering iron with temperature control function (temperature range: 320-450˚C)
Recommended temperature range per part:
PartSoldering iron temperature
Mounting (chips) on mounted PCB320˚C±30˚C
Mounting (chips) on empty PCB380˚C±30˚C
Chassis, metallic shield, etc.420˚C±30˚C
Boards which use lead free solder
CONTROL PCB (Control PCB, Slot PCB, SD PCB)
TERMINAL PCB (Terminal PCB, LED PCB, Swivel PCB)
FILTER PCB
MAIN PCB
Readjustment Power supply voltage
When a PANEL or a Power Unit is exchanged, power supply voltage needs to be adjusted. Please adjust to
make the values of Va and Vs of as should on the label currently stuck on the panel back upper parts.
Adjustment is performed by VR in the power supply unit. Please refer to the procedures of “Va” and “Vs”
adjustments on page 10.
5
P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
4. Component names
[Main unit]
Front Panel
1 Cabinet
1
2
8
2 Panel
3 Remote Control Receiver
4 Indicating Lamp
5 Main Power Switch (on the bottom surface)
6 Control Panel and Front Input (see below for
details)
7 Desktop Stand
8 Speaker
6
7
5
43
Rear Panel
42” models
50” models
3
2
Control Panel (including front input)
1
2
A
Do not place your fingers into the gap of
the opened door. If your fingers are caught
in the front door, you may be injured.
1 Front Input
2 Menu/Return button
3 Input Select/OK button
4
6
1
23
5
8
7
6
4 Volume Down/Żbutton
5 Volume Up/Źbutton
6 Channel Down/źbutton
7 Channel Up/Ÿbutton
8 Sub Power button
[Remote control]
P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
Sub Power
1
Function Select (TV/DTT, DVD, SAT)
2
Press these buttons to select function mode.
The selected button blinks once. Normally,
select “TV/DTT”.
Programme Select/Input Mode [Page Select]
3
Press these buttons to select a TV programme directly.
You can also use these buttons when changing
the Input mode.
Freeze/Multi Mode [Hold]
4
Press this button to change the picture to freeze
mode. Press it again to return to normal picture.
In addition, during multi-picture mode, this
changes the type of 2-Picture mode.
(Also, it holds the page in teletext mode.)
CHI/II
5
This is exclusively for TV audio A2/NICAM
mode. Also, press this button to select Audio
Language in DTT mode.
Volume Up/Down
6
Colour [Colour]
7
These coloured buttons are for teletext and
other functions as detailed later in this book.
25
26
27
28
TV/Text [TV
8
This switches between the TV mode and the
Teletext mode.
[Cancel]
9
10
Menu
Press this button to select Main Menu.
Cursor [Item Select]
11
OK
12
Function Menu
13
Press this button to select Function Menu.
DVD Control
14
You can use these buttons whilst operating the
selected brand of DVD player.
Audio Mode
15
Audio mode can be changed each time pressed
in the following sequence. MovieĺMusicĺ
SpeechĺFavourite
16
Recall
Press this button to show the input signal status.
17
Picture Mode
Picture mode can be changed each time pressed in
the following sequence. DynamicĺNaturalĺCinema
18
Swivel (with Desktop Stand)
This function is to rotate TV. Select the degree
of rotation with cursor key.
Input Select
19
You can use this to change the input mode.
Multi Picture [Text
20
Press this button to change the picture to multi-picture
mode. Press it again to return to normal picture.
Channel Up/Down [Page Select]
21
Mute
22
[Reveal]
23
[Subtitle]
24
Guide [Index]
25
It displays EPG screen in DTT mode.
26
Return
You can use this to return to the previous menu.
27
Photo Input
This button is to display and control the pictures from
digital still camera, USB card reader, or SD (MMC) card.
28
Zoom
Press this button to change picture size.
Text]
TV+Text]
The function indicated by [ ] are only for Teletext mode.
7
[Terminal Positions]
P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
Rear
1
Power Cord Socket
2
Aerial Socket
3
AV1
4
AV2
5
AV3
6
AV4
7
Monitor Out
8
Service use only
9
Service use only
10
Power Swivel Terminal
11
Optical Out (Digital Audio)
12
HDMI 2
13
Mini stereo for Audio
14
Common interface slot
[Example: 50’’ models]
42’’ models
14
1
12
13
11
10
678
2
9
3
4
5
Front
AV5
15
Headphone terminal
16
HDMI 1
17
SD Memory Card slot
18
19
Photo Input terminal
50’’ models
19
18
17
16
15
Connecting Procedure
This unit is ready for various kinds of connections. Make a connection in the following steps. Be sure to turn off the
Main Power first when connecting external equipment.
1. Connect Power Cord to the rear panel.
2. Connect Aerial Lead.
3. Connect your external equipments to the unit if any.
4. Connect the Power Plug to the Wall Socket.
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P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
5. Adjustment
Ɣ Activating Adjustment Mode
Use the remote controller with the set turned on to activate adjustment mode.
Press the Programme Select button “1”, “GREEN” and “YELLOW” colour button at the same time and hold for
more than 3 seconds.
The set displays adjustment mode.
Ɣ Changing data and Selecting Adjustment code
When the set is in adjustment mode, the cursor
used as adjustment keys.
buttons are used for selecting adjustment code.
,
, buttons are used for changing data values.
OK button is used for confirming data.
After finishing adjustments press, the RETURN button. Adjustment mode is released and the set
returns to normal condition.
Ɣ Memory Initialise operation
NOTE: The execution of this function returns the adjustment codes to preset values, therefore, adjust-
ment data will be lost.
When performing MEMORY INITIALISE, the following items are not initialised.
• WHITE/BALANCE ADJUSTMENT DATA
• SUB CONTRAST ADJUSTMENT DATA
• CLANP OFFSET ADJUSTMENT DATA
However, the following items are initialised.
• OTHER ADJUSTMENT DATA
• FACTORY RESET ITEM
Procedure
(1) Enter Adjustment Mode.
(2) Select MEMORY INIT.
(3) Activate MEMORY INIT by pressing cursor “Right” button for more than 3 seconds.
(4) As for the whole Memory Initialise, the cyan screen becomes a green screen.
It becomes a red screen in the case of abnormality.
, , , and OK buttons of the remote control may be
Ɣ Checking accumulated time of panel.
Mentioned in the menu of the last item.
Factory Reset
After all of adjustments of the main chassis are finished, perform a FACTORY RESET.
Procedure
(1) Enter Adjustment Mode.
(2) Select FACT RESET.
(3) Activate FACT RESET by pressing cursor Right button for more than 3 seconds.
The unit is set to factory settings.
Ɣ When flicker is present set contrast mode of picture menu to Normal and set Black enhancement
to off.
Caution: After upgrading software of the main microcomputer, display a teletext screen
and confirm whether a screen position is right.
If an indication point is unusual, adjust using the following method:
Procedure
(1) Enter Adjustment Mode.
(2) Select DEVICE.
(3) When indication is replaced, input a device number into DEVICE and press OK or [
Next, input an item number into ITEM and press OK or [
Lastly, change data by pressing [ ] or [] into DATA and press OK.
Continue input for the next DEVICE, then push [ź] after the DATA input.
Perform the above for the following items:
(If you make a mistake entering the input number, push RETURN to go to the previous step.)
DEVICEITEMDATA
9107f8
164b
].
].
9
P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
50PDP Vs and Va Adjustment
ItemPower Unit Vs, Va Adjustment
PreparationProcedure
(1) Turn on the set and perform
pre-heat run for more than 1 min
on burn-in screen.
(1) Turn Vs ADJ to adjust Vs voltage
to within ±0.1V of the value
specified in the label on the panel.
1
Adjust within ±1V at Vs1
2
Adjust within ±0.1V at Vs2
(2) Turn Va ADJ to adjust Vs voltage
to within ±0.1V of the value
specified in the label on the panel.
1
Adjust within ±1V at Va1
2
Adjust within ±0.1V at Va2
(2) Receive full back pattern signal.
(or Video silence signal; it will
automatically turn off after a few seconds
by the power save function)
(3) Connect voltmeter leads to the Vs (or Va) and
GND test points of the power unit.
Label example
<LOT>N6
Vs=80.0V Va=60.0V
Vw=140.0V Vx=60.0V
Vs1: Vs coarse
adjustment VR
(3) Reconfi rm that Vs voltage remains within
±0.45V of the specifi ed value.
Readjust if outside of the margin.
(4) Reconfi rm that Va voltage remains within
±0.55V of the specifi ed value.
Readjust if outside of the margin.
Vs2: Vs fine
adjustment VR
CN99: Vs,Va test points
GND
3
2
Vs
1
Va
Va2: Va fine
adjustment VR
Caution: 42PDP does not require adjustment. ( 42PDP is self-adjustmenting.)
Va1: Va coarse
adjustment VR
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P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
RGB Amplitude Adjustment (AV Component Input)
Item
Composite video Adjustment
Preparation Procedure
(1)
Allow the set to heat-run for more than 20
minutes before the final adjustment.
(2)
Input composite video adjustment signal into
AV1 terminal.
Adjustment signal for CVBS format
White
Black
0.7V
Item
Component 480p/480i Adjustment
Preparation Procedure
(1)
Allow the set to heat-run for more than 20
minutes before the final adjustment.
(2)
Input component 480p adjustment signal into
AV4 terminal.
Adjustment signal for 480p/480i format
White
Black
(1)
Receive composite video adjustment signal at AV1
terminal input.
Characters must not be present in both patterns
of Black and White.
(2)
Go into Service Adjustment Menu and select “RGB”.
(3)
Press [►] for over 2 seconds then RGB Amplitude
Adjustment starts automatically.
OSD disappears while the adjustment is operating.
OSD appears again when the adjustment is
completed.
(1)
Receive 480p adjustment signal at AV4
terminal input.
Characters must not be present in both patterns
of Black and White.
(2)
Go into Service Adjustment Menu and select “RGB”.
(3)
Press [►] for over 2 seconds then RGB Amplitude
Adjustment starts automatically.
OSD disappears while the adjustment is operating.
OSD appears again when the adjustment is
completed.
0.7V
(4)
Change signal formal from 480p to 480i.
(5)
Press [►] for over 2 seconds again, then RGB
Amplitude Adjustment starts automatically.
OSD disappears while the adjustment is operating.
OSD appears again when the adjustment is
completed.
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P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
Video Colour Temperature Adjustment
Item
Video Colour Temperature Adjustment (Cool)
Preparation Procedure
(1)
Set the signal generator output to white raster.
(Window ratio: 100%)
(2)
Component signal (576i or 480i)
Video level: 0.700Vp-p
Sync level: 0.300Vp-p
Setup level: 0V
(3)
Input white raster signal into AV4 Component
input terminal.
(4)
Set Picture Menu to Natural mode.
(5)
Check that the mode is set as Factory
Adjustment mode.
(6)
Set aspect to Full mode.
(1)
Perform the following adjustment with the remote
control:
(2)
Set the CRT colour analyzer (CA-100) at the centre
of the panel.
(3)
Set colour temperature to “Cool”.
(4)
Ensure that the adjustment R/G/B DRIVE (COOL)
is all set as 255.
If the values are not 255, set them to 255.
(5)
Receive white raster signal. Step down either
R DRV_COOL, G DRV_COOL or B DRV_COOL
of the two (or, one) values and adjust to the
following value.
(Note) At least one of the data items should be 255.
Specification
Video colour temperature (Cool)
x=0.266±0.005
y=0.270±0.005
14000K + 0MPCD
[Remarks]
(1) Colour temperature should be adjusted under the condition in which the screen is the brightest, thus the initial
value of adjustment is set at maximum.
(2) This adjustment only decreases brightness.
(3) Beware there is RESET in each Picture mode.
Item
Video Colour Temperature Adjustment (Normal)
Preparation Procedure
(1)
Set the signal generator output to white raster.
(Window ratio: 100%)
(2)
Component signal (576i or 480i)
Video level: 0.700Vp-p
(1)
Perform the following adjustment with the remote
control:
(2)
Set the CRT colour analyzer (CA-100) at the centre
of the panel.
Sync level: 0.300Vp-p
Setup level: 0V
(3)
Input white raster signal into AV4 Component
input terminal.
(3)
Set colour temperature to “Normal”.
Ensure that the adjustment R/G/B DRIVE (NORMAL)
(4)
is all set as 255.
If the values are not 255, set them to 255.
(4)
Set Picture Menu to Natural mode.
Receive white raster signal. Step down either
(5)
(5)
Check that the mode is set as Factory
Adjustment mode.
R DRV_NORMAL, G DRV_NORMAL or B
DRV_NORMAL of the two (or, one) values and
adjust to the following value.
(6)
Set aspect to Full mode.
(Note) At least one of the data items should be 255.
Specification
Video colour temperature (Normal)
x=0.285±0.005
y=0.293±0.005
9300K + 0MPCD
[Remarks]
(1) Colour temperature should be adjusted under the condition in which the screen is the brightest, thus the initial
value of adjustment is set at maximum.
(2) This adjustment only degreases brightness.
(3) Beware there is RESET in each Picture mode.
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P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
Item
Video Colour Temperature Adjustment (Warm)
Preparation Procedure
(1)
Set the signal generator output to white raster.
(Window ratio: 100%)
(2)
Component signal (576i or 480i)
Video level: 0.700Vp-p
Sync level: 0.300Vp-p
Setup level: 0V
(3)
Input white raster signal into AV4 Component
input terminal.
(4)
Set Picture Menu to Natural mode.
(5)
Check that the mode is set as Factory
Adjustment mode.
(6)
Set aspect to Full mode.
(1)
Perform the following adjustment with the remote
control:
(2)
Set the CRT colour analyzer (CA-100) at the centre
of the panel.
(3)
Set colour temperature to “Warm”.
(4)
Ensure that the adjustment R/G/B DRIVE (WARM)
is all set as 255.
If the values are not 255, set them to 255.
(5)
Receive white raster signal. Step down either
R DRV_WARM, G DRV_WARM or B DRV_WARM
of the two (or, one) values and adjust to the following
value.
(Note) At least one of the data items should be 255.
Specification
Video coloor temperature (Warm)
x=0.314±0.005
y=0.323±0.005
6500K + 0MPCD
[Remarks]
(1) Colour temperature should be adjusted under the condition in which the screen is the brightest, thus the initial value of
adjustment is set at maximum.
(2) This adjustment only degreases brightness.
(3) Beware there is RESET in each Picture mode.
Item
Video Colour Temperature Adjustment (B&W)
Preparation Procedure
(1)
Set signal generator output as All White.
(Window ratio: 100%)
(2)
Component signal (480i)
Video level: 0.700Vp-p
(1)
Perform the following adjustment with remote
control:
(2)
Set the CRT Colour Analyzer (CA-100) at the centre
of the panel.
Sync level: 0.300Vp-p
(3)
Setup level: 0V
(3)
Input white raster signal into AV4 Component
input terminal.
Set colour temperature to “Black&White”.
Ensure that the adjustment R/G/B DRIVE (B/W) is all
(4)
set as 255.
If the values are not 255, set them to 255.
(4)
Set Picture Menu to Natural mode.
Receive white raster signal. Step down either
(5)
Check that the mode is set as Factory Adjustment
(5)
mode.
Set aspect to Full mode.
(6)
R DRV_B/W, G DRV_B/W or B DRV_B/W of the
two (or, one) values and adjust to the following value.
(Note) At least one of the data items should be 255.
Specification
Video colour temperature (B/W)
x=0.335±0.005
y=0.343±0.005
5400K + 0MPCD
[Remarks]
(1) Colour temperature should be adjusted under the condition in which the screen is the brightest, thus the initial
adjustment value is set at maximum.
(2) This adjustment only degreases brightness.
(3) Beware there is RESET in each Picture mode.
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P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
6. Troubleshooting
Burn-in mode
This mode displays test patterns of some single colour rasters in turn. These signals are produced by the built-in
generator of the panel. So it can be presumed that the panel has a problem when the Burn-in mode screen
is abnormal.
Using the remote control with the set turned on can activate the mode.
Press the “MENU”, “recall”, “9”, “OK” in turn for less than 2 seconds.
The set turns on with single colour raster and the OSD off [BURN IN: ON].
To escape from this mode, press the “MENU”, “recall”, “9”, “OK” in turn for less than 2 seconds.
[no picture, no sound]
C onfirm the LED state and examine according to the following Flowcharts:
LED does not light.
1
Is AC Fuse
F9A2 T6.3AH 250V of Filter
PCB normal?
Yes
Is the voltage of pin1(+5.0V)
of PPM1 connector of MAIN
PCB normal?
Yes
Are the voltages of
pin6(+5.0V)/7(+3.3V) of PPM1
connector of MAIN
PCB normal?
Yes
Are the voltages of
pin1/2/3(+5.6V) of PPM2
connector of MAIN PCB
normal?
Yes
No
Change AC Fuse of Filter PCB
No
No
Change MAIN PCB or EPM1 (cable).
If no improvement, go to
Power Supply Unit Troubleshooting
No
Change MAIN PCB or EPM1 (cable)
Change MAIN PCB or EPM2 (cable).
If no improvement, go to
Power Supply Unit Troubleshooting
A
A
BC
Go to Picture Troubleshooting
Go to Sound Troubleshooting
14
LED lights blue.
2
P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
Are the voltages of PPM1 and PPM2
connector of MAIN PCB normal?
Ye s
Does PDP Burn-In mode
operate normally?
[PPM1] Pin1/4/5/6 (+5.0V)
[PPM2] Pin1/2/3 (+5.6V)
Ye s
BC
No
Pin7/8 (+3.3V)
Pin7 (+10V)
Pin9 (+16V)
Pin13/14/15 (+12V)
No
PDP module
Change MAIN PCB or EPM1/2 (cable).
If no improvement, go toto
Power Supply Unit Troubleshooting
A
Go to PictureTroubleshooting
LED blue blinks blue.
3
Go to Sound Troubleshooting
It is in video input power save mode. This is not a problem.
15
P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
[50PDP Power unit]
A
Is input voltage
applied to Power supply unit ?
(CN61 (1),(3))
㪰㪼㫊
㩷
㩷
Caution: To take off a PPU1 connector,
[42PDP Power unit]
Are the voltages
applied to CN63 (1)(3),
and CNPPS (1)(7)(9)(13) of
Power supply unit ?
㪰㪼㫊
Go to Picture troubleshooting
first take off the filter board and pull up PPU1 connector.