Panasonic TH-50PV30E User manual

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Service Manual
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\ORDERNO.04-SM-008
Plasma TV
lTH-50PV30E
GP6DEChassis
Specifications
PowerSource 220 V-240 V50 Hz/60HzA.C.
PowerConsumption
Normaluse510 W
Standby1.8W(TVonly)
15.0W(TV+DVBsystemset torecord Timerprogrammes)
Power-OFF 1.0W
Plasma Displaypanel
Drivemethod ACtype
Aspect Ratio16:9
ContrastRatio3000:1
Screensize (No.of pixels)50-inch
1,106mm(W)×622 mm (H)×1,269mm(diagonal)
1,049,088(1,366(W)×768 (H)) [4,098× 768 dots]
Sound
SpeakerWoofer
80 mm×2,Tweeter16mm×73mm×8
AudioOutput26W[8W+8 W,5W+5 W](10%THD)
HeadphoneM3(3.5mm)Jack×1
Applicablesignals
Colour SystemNTSC, PAL, PAL60,ModifiedNTSC
Scanning format525 (480)/60i
60p,625(575)/50i
50p
PCsignalsXGA display
VGA,SVGA,XGA
SXGA,UXGA ...... (compressed)
Horizontalscanning frequency15 -110 kHz
Verticalscanning frequency48 -120 Hz
Receiving Systems/Band name
PALI UHF E21-68.
PAL525/60 Playbackof NTSCtapefromsomePALVideorecorders(VCR).
DVB Digitalterrestrial servicesviaUHF aerial input.
M.NTSC PlaybackfromM.NTSCVideorecorders(VCR).
NTSC (AV INPUTONLY)PlaybackfromNTSCVideorecorders(VCR).
OUTPUT
AUDIOOUTAUDIOL-R(RCAPinType×2)0.5Vrms
INPUT
AV3-FrontVIDEO(RCAPinType×2)1.0Vp-p(75 )
S-VIDEO(MINIDIN4-pin)Y:1.0Vp-p(75 )C:0.286Vp-p(75 )
AUDIOL-R(RCAPinType×2)0.5Vrms
AV4C-RearY1.0Vp-p(includingsynchronization)
PB/PR±0.35 Vp-p
PC(HIGH-DENSITYD-SUB15PIN) R,G, B/0.7Vp-p(75 )
HD,VD/1.0-5.0Vp-p (high impedance)
OthersSD Card slot×1, PCCardslot×1
INPUT/OUTPUT
AV1-Rear21Pinterminal (Audio/Videoin,TVout,RGBin)
AV2-Rear21Pinterminal (Audio/Videoin,Audio/Videoout,S-Videoin,Q-Link)
AV4-Rear21Pinterminal (Audio/Videoin,Audio/Videoout,S-Videoin,RGBin, Q-Link)
ANT-Rear UHF
OperatingConditions Temperature:0° -40°C
Humidity:20% -80%RH(non-condensing)
AccessoriesSupplied
OperatingInstructionsTQBC0728
MainsLeadK2CT3DH00017

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8SelfCheck
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1.Self-Checkisusedtoautomaticallycheck thebuslinesand hexadecimalcodeoftheTVset.
2.Togetinto theSelf-CheckmodepresstheDown(
)button on thecustomercontrolsatthefrontoftheset,atthesametimepressingthe
Statusbutton on theremotecontrol,andthescreenwill show:
IftheCCUportshavebeencheckedand found tobeincorrectornotlocatedthen “--”willappearin
placeof“O.K.”.
8.1PowerLEDBlinkingtimingchart
8.2NoPower
DisplayRef.NoDescriptionP.C.B.
MEMIC1008EEPROMDG-BOARD
GC2MIC1301GROBALCOREMAINDG-BOARD
GC2PIC1304GROBALCORESUBDG-BOARD
GC2SIC1302GROBALCORE3DComb DG-BOARD
GC2VIC1350GROBALCOREVScalarDG-BOARD
HAD IC1851HD-ADCONVERTERDG-BOARD
LSYNC IC2652SYNCPROCESSORH-BOARD
AVSWIC3200AVswitchH-BOARD
YUVSWIC1270YUV switchDG-BOARD
Tun1 TNR001TUNER1TU-BOARD
VIF---------
DAC1 IC3003Ext.DACDG-BOARD
MSPIC2002MultiSoundProcessorH-BOARD
SOUNDIC2401AUDIOAMPPA-BOARD
PANEL---PANEL ---
JPEGIC60JPEGI/FJG-BOARD
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8.2No Power
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[Firstcheckpoint]
Therearefollowing3statesofNo Powerindication by powerLED.
1.Nolit
2.Greenislit thenturnsredblinkingafewsecondslater.
3.Only redislit.
1.Nolit
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8.3No Picture
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8.4Localscreenfailure
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Plasmadisplaymayhavelocalareafailureon thescreen. Fig-1 isthepossibledefectP.C.B.for
eachlocalarea.
Fig-1
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9.1HowtoenterSERVICE1
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1.Insound menu,setBASS toMAXIMUM,and setTREBLEtoMINIMUM.
2.Simultaneouslypress INDEX button on remotecontroland DOWN button [
]on theTVset.
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9.2HowtoenterSERVICE2
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1.SetthechanneltoCH99.
2.SelecttheJPEGViewer.
3.PressHOLDbutton on remotecontrol.
Note:
Toexit to Servicemode,pressNorPowerbutton on remotecontrol.
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9.3OptionDescription
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10.1IICmode
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SelecttheIICmodeby Up/Down (Channel)button on theremotecontrolatthefrontpageofCAT
modethenpressthe OK button on theremotecontrol.
Subjectand itemarementionedon IICmodestructure.
(Referto item10.4.)
Toexit theIICmode,pressthe MENU button on theremotecontrol.
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10.2CD mode
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SelecttheCDmodeby Up/Down (Channel)button on theremotecontrolatthefrontpageofCAT
modethenpressthe Mute
button on theremotecontrolmorethan5sec.
Micomsoftwareversion (IC1007),thisversion canbeupgradeby replaceofnewversionIC
Memorydatachange
Toexit theCDmode,pressthe MENU button on theremotecontrol.
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10.3SDmode
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SelecttheSDmodeby Up/Down (Channel)button on theremotecontrolatthefrontpageofCAT
modethenpressthe OK button on theremotecontrol.
Toexit theSDmode,pressthe MENU button on theremotecontrol.
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10.4IICmodestructure(followingitemsvalue
issampledata.)
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13 Hotelmode
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1.Purpose
Restrictafunction forhotels.
2.Accesscommand
¡EntertotheService2Mode.
¡PressStatusbutton on remotecontroland entrytotheEAROMEDITORMode.
¡SetthedataofEEPROM(ADDRESS 160)toC0.
¡PresstheOK button tomemorizethedata.
PushthePowerswitch(button)off/on theset(theremotecontrol)toturnthesetoff/on.
Itcan bemadeHotelmode.
3.Exit command
¡First, setthedataofEEPROM(ADDRESS160)to 80.
Next,PushthePowerswitch(button)off/on theset(theremotecontrol)toturn theset
off/on.
Then, it isno longerhotelmode.
4.Accesscommand totheHotelmodesetup menu
¡<Prerequisite>:ItisconditionsthatthedataofEEPROM(ADDRESS 160)isC0.
InordertodisplaytheHotelmodesetupmenu, pleaseenterthefollowingcommand
(within 2 second) .
[[TV]:down+[REMOTE]:TV/AV(3times)]
Then, theHotelmodesetup menu isdisplayed.
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5.ExplaintheHotelmodesetup menu
CAUTION
Thissetupisnotvalid, unlessdataofEEPROM(ADDRESS160)will beC0, evenifeach
settingsweredone.
itemFunction
Initial INPUTSelect inputsignal modes.
Setthissignal,eachtimepowerisswitchedon.
<Selection>:
Off/TV/AV1/AV2/AV2S/AV3/Av3S/AV4/Av4S/AV4C/PC
lOff:giveprioritytoalastmemory.However, Euro modeliscompulsorilysettoTV.
lAVnS/AVnC:onlyEuro modelselectable
lPC:selectablewithVGAoption
InitialVOL
level
AdjustoutputVolume.
Setthisvolume,eachtimepowerisswitchedon.
IfthevalueofInitVolischanged, volumewillchange. However,priorityisgiventoalastmemory whenInitVolisOff.When"InitVol"is
largerthan"MaxVol", make"InitVol"and"MaxVol"thesame.
<Selection/Range>:
Off/0to100
lOff:giveprioritytoalastmemory
MaximumVOl
level
Adjustmaximumvolume.
Setthismax.volume,eachtimepowerisswitchedon.
When"MaxVol"issmallerthan"InitVol",make"MaxVol"and"InitVol"thesame,if"InitVol"isnotOff.
<Range>:
0to100
InitialPOSSelect programmenumber.
Setthisprogrammenumber, eachtimepowerisswitchedon.
<Selection>:
Off/0to99(Euro model)
lOff:giveprioritytoalastmemory
ButtonlockSelect localkeyconditions.
Setthiscondition, eachtimepowerisswitchedon.
<Selection>:
Off/SETUPMENU/All
lOff:altogethervalid
lSETUP:restrictF-keyselection
(Tuning guide(menu)cannotbeselected.)
lMENU:restrictF-keyselection
(onlyVolume/Mute canbeselected.)
lAll:altogetherinvalid.
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Remote lockSelect remotecontrolkeyconditions.
Setthiscondition, eachtimepowerisswitchedon.
<Selection>:
Off/SETUP/MENU
lOff:altogethervalid
lSETUP:onlySetup menuisinvalid
lMENU:Picture/Sound/Setupmenu areinvalid
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15 Block and Schematic Diagrams
15.1. Schematic Diagram Notes
75

15 Block and Schematic Diagrams
15.1. Schematic Diagram Notes
75

15.2. Main Block Diagram
TH-50PV30E
Main Block Diagram TH-50PV30E
Main Block Diagram
INITIALIZE
PULSE
64
64
S.R
S.R
S.R
64
S.R
64
64
S.R
64
S.R
CONTROL
PULSE
VOLTAGE
SCAN
SC20 D20 CONTROL
DISCHARGE
MAIN MPU
SUB MPU
ROM
A/D
BUS
24bit
FORMAT
CONVERTER
RGB
PROCESSOR
PROCESSOR
SUB-FIELD
PLASMA AI
SDRAM
D34 D33
P25D25
P27D27
P9
P12
P11 SS11
SS12
SS42 SS34
SS57
SS31
SUSTAIN
PULSE
ERASE
PULSE
ADDRESS
VOLTAGE
(VE)
5V
UR12V
STB7V
D3
SDRAM
PROCESS
VOLTAGE
RECTIFIER
CONTROL
SUSTAIN
VOLTAGE
RECTIFIER
SUSTAIN
VOLTAGE
VDA
15V
5V
12V
P23 P2
VSUS
LINE
FILTER
STAND BY
PF1
PF10
PF2
POWER
SWITCH
SC
SU
SD
CONTROL
D
P
SOS
ON/OFF
STB5V
S34
S
STB PS
VDA
SS
PF
SS2
SS3
AC IN
AC IN
15V
64
64
S.R
S.R
S.R
64
S.R
64
64
S.R
64
S.R
PRIMARY
CIRCUIT
SS21
SS58
SS35
D31 D32
SUB-FIELD
PLASMA AI
PROCESSOR
SDRAM ROM
RECTIFIER
POWER
RELAY
FACTOR
CONTROL
VOLTAGE
PROCESS
CONTROL
VOLTAGE
STANDBY
RECTIFIER
CONTROL
VOLTAGE
RECTIFIER
STANDBY
LOW
VOLTAGE
PROTECTOR
VOLTAGE
HIGH
PROTECTOR
SYNC PROCESSOR/ HD/VD
VD HD
VSUS
M
P30-P33
FAN
HEADPHONE
RGB/PC
G5
SELECT DG3
DG6
DG2
DG7
KEYSCAN
G
GC2S
G7
MICOM
MICOM
CONVERT
EEPROM
RGB AMP
VIDEO3
PC IN G18
DG1
T
DG18
TUNER
MAIN
TEXT
DG
T10
SDRAM
GC2M
SDRAM
TUNER 30V
PA2
CONVERTER
PA5
PA7
SPEAKER
R OUT
PA
PA6 PRE AMP
SPEAKER
PA1
PA3
DC/DC
L OUT
SD CARD
I/F
JG
Y/C OUT
PC CARD
DG10
TV ON
P7
P5
+12Vs
12V
STB5V
15V
K24
VDA
C6 C4 K
S.R. S.R. S.R.
C61
S.R.
C60
C43
C41
C44
C42
POWER ON
STAND BY G
R
LED
REMCOM
RECEIVER
SENSOR
CAT
S.R. S.R.
SC62
C51
S.R.
C5
C53
S.R.S.R.
C54 C55
C52
S.R.
C50
C62
S.R.
S.R.
C3
C21
C11
C2
S.R. S.R.
C22
S.R. S.R. S.R.
S.R. S.R.
C20
S.R.
C24
C33
S.R. S.R.
C25
C1
C23
C10
C12 C31
C13 C35
C32
SC2 SC23SC13SC12
SS32
MSP
AUDIO
AV4
OUT
H
H9
H1
SWITCH
AV1
AV2
AV
H10
H4 DG4
JG3
PA10 NR 21V
STB 5V
NR 14V
76