Hitachi 50PD9800TA Manuel utilisateur

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.

Plasma Display

December 2006

YK No.040E

SERVICE MANUAL 50PD9800TA(FW1)

Be sure to read this manual before servicing. To assure safety from ﬁre, electric shock, injury, harmful

radiation and materials, various measures are provided in this HITACHI display.

Be sure to read cautionary items described in the manual to maintain safety before servicing.

Caution

1. Since Panel Module and front Filter are made of glass, handling the broken Module and Filter shall be

taken care sufﬁciently in order not to be injured.

2. Replacing work shall be started after the Panel Module and the AC/DC Power supply become sufﬁ-

ciently cool.

3. Special care shall be taken to the display area in order not to damage its surface.

4. The Panel Module shall not be touched with bare hand to protect its surface from stains.

5. It is recommended to use clean soft gloves during the replacing work in order to protect not only the

display area of the Panel Module but also a serviceman himself.

6. The Chip Tube of Panel Module (located upper left of the back and surrounded by frame) and ﬂexible

cables connecting Panel glasses to drive circuit PWBs are very weak, so shall be taken care sufﬁ-

ciently not to break. If you break Chip Tube, the Panel doesn’t display anything forever.

Service Warning

1. Features ----------------------------------------------- 3

2. Speciﬁcations----------------------------------------- 4

3. Service point ------------------------------------------ 5

4. Component names ---------------------------------- 6

5. New adoption technology-------------------------- 8

6. Adjustment ------------------------------------------ 12

7. Troubleshooting------------------------------------ 28

8. Self-diagnosis function --------------------------- 32

9. Basic circuit diagram------------------------------ 35

10.Printed wiring board diagram------------------- 57

11.Block diagram -------------------------------------- 62

12.Connection diagram ------------------------------ 63

13.Wiring diagram------------------------------------- 64

14.Disassembly diagram ---------------------------- 66

15.Replacement Parts list ----------------------------- 71

Contents

The PDP panel made from FHP is used for this product.

50PD9800TA (FW1)

CAUTION FOR SAFETY

Please read this page before repair the monitor.

This page explains to following items for keep the safety of set and prevent to accident during

repair work.

We explain by symbol at happen the damage or injury when took wrong repair.

Warning This symbol means "possible to die or heavy damage"

Caution This symbol means "possible to damage or something will break"

We made the symbol as below, which are kind of following items.

This symbol means "CAUTION"

This symbol means "POSSIBLE to

ELECTRIC SHOCK"

This symbol means "MUST"

This symbol means "DO NOT"

Should be follows to instructions.

We indicates to cabinet, chassis and parts

by label, which are special attention part.

Please follow to note and [Safety Instructions]

of User’s Manual.

Prevent the electric shock.

Please take care during working because

monitor has high voltage part and power

supply part.

Possible to die if you tough to these place

by miss take.

Please disconnect power plug during

overhaul, reassemble or change parts.

You will die or take damage by electric

shock if you touch to live part.

Use recommended components.

Please use to same characteristic compo-

nent, which is same as previous for your

safety and keep reliability especially marked

by in parts list and circuit diagram.

It is reason of electric shock or fire if you

use non-recommended component.

Should be kept same style of wiring or component.

Monitor uses tubes or tapes, which made

by insulator, and some components are

keep distance from surface of PWB for

safety.

Internal leads kept from hot part or high voltage

part by clamper or styling, so please return to

original condition for prevent to electric shock

or fire.

Should be done safety check after finished.

Every part (removed screws, component

and wiring) should be returned to previous

condition.

Check around repair position for make

damage by miss take and measure the

insulated impedance by meg-ohm meter.

Confirm the value of impedance, that val-

ue is more than 4M ohm.

It is reason for electric shock or fire if that

value is less than 4M ohm.

WARNING

50PD9800TA (FW1)

PRECAUTIONS

How to clean 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 it is

not enough, then use a cloth with diluted neutral detergent. Do not use harsh or abrasive cleaners.

How to clean the cabinet of the monitor

Use a soft cloth to clean the cabinet and control panel of the monitor. When excessively soiled a diluted neutral

detergent in water, wet and wring out the soft cloth and afterward wipe with a dry soft cloth.

Never use acid/alkaline detergent, alcoholic detergent, abrasive cleaner, powder soap, OA cleaner, car wax,

glass cleaner, etc. especially because they would cause discoloration, scratches or cracks.

1. Features

Large-screen, high-definition plasma display panel

The 50-inch color plasma display panel, with a resolution of 1280 (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 geo-

magnetic sources and ambient power lines, the panel produces high-quality display images free from color mis-

convergence 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. In addition, it corresponds to a broad array of

personal computer signals, from 640 x 400 and 640 x 480 VGA to 1280 x 1024 SXGA.(RGB Input)

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 sys-

tem, displays the status of signal reception and display control settings in an easy-to-view fashion.

Power saving system

The power saver feature saves power consumption automatically when input signals are not available.

When connected to a VESA DPMS-compliant PC, the monitor cuts its power consumption while it is idle.

Connecting to an Audio Visual Device

• Two composite/S terminal*1,two composite terminal*2, two component terminal*2and two HDMI terminal

have been added. A composite video output terminal is also provided as a

monitoring output.

*1 One composite/S terminal are on the front input. Composite terminal and S terminal should not be

connected at the same time

*2 Two composite terminal and two component terminal cannot be used at the same time.

• A wide range of devices other than personal computers can also be connected.

50PD9800TA (FW1)

2. Specifications

Panel Display dimensions Approx. 50 inches (1106(H) x 626(V)mm, diagonal 1270mm)

Resolution 1280(H) x 1080(V) pixels

Net dimensions including Optional Stand : 1240(W) x 900(H) x 423(D)mm

excluding Optional Stand : 1240(W) x 836(H) x 125(D)mm

Net weight including Opional Stand : 46.5kg

excluding Opional Stand : 40.7kg

Ambient

conditions

Temperature Operating : 5°C to 35°C, Storage :0°C to 40°C

Relative humidity Operating : 20% to 80%, Storage : 20% to 90% (non-condensing)

Power supply AC110 - 240V, 50/60Hz

Power consumption / at standby 470W / <1W

Audio output speaker total 20W

(VIDEO input)

Input terminals

AV1•2 : composite video input terminal (RCA)

component video input terminal (RCA)

L/R audio input terminal (RCA)

AV3•4 : composite video input terminal (RCA)

S video input terminal.

L/R audio input terminal (RCA)

HDMI1•2 : HDMI input terminal

Audio input terminal (L/R audio input terminal (RCA))*

Input signals

Composite video : PAL, SECAM, NTSC3.58, NTSC4.43, PAL60

Component video : 480i, 576i, 480p, 576p, 720p/50, 720p/60, 1080i/50, 1080i/60

HDMI : VGA/60, 480i, 576i, 480p, 576p, 720p/50, 720p/60, 1080i/50, 1080i/60,

1080p/50, 1080p/60

Output Signal

OUTPUT (MONITOR) : composite video monitor-output terminal (RCA)

OUTPUT (MONITOR) : L/R audio monitor-output terminal (RCA)

OUTPUT (HEADPHONE) : L/R audio monitor-output terminal (Mini-pin)

OUTPUT (SUB-WOOFER) : Woofer output terminal (RCA)

(RF input)

Input terminal / Receiving range ANT : 75ΩUnbalanced / 44~870MHz

RF Video System

PAL B, G, H / I / D, K

SECAM B, G / D, K / K1

NTSC-M

(RGB input)

Input terminals Analog RGB input terminal (D-sub 15-pin)

Audio input terminal (L/R audio input terminal (RCA))*

Input signals 0.7Vp-p, analog RGB (Recommended Signal)

Sync signals H/V separate, TTL level [2KΩ]

•The unit takes at least 30 minutes to attain the status of optimal picture quality.

*This analog audio input terminal can be used for PC (RGB) or HDMI1/2 only.

50PD9800TA (FW1)

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:

Part Soldering iron temperature

Mounting (chips) on mounted PCB 320˚C±30˚C

Mounting (chips) on empty PCB 380˚C±30˚C

Chassis, metallic shield, etc. 420˚C±30˚C

Filter PWB (Filter PWB)

Sub PWB (Sub PWB)

MAIN PWB (Main PWB)

Control PWB (Control PWB, LED PWB)

The PWB assembly which has used lead free solder

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 Vs and Va, 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 “Vs” and “Va” adjustments on

21page.

50PD9800TA (FW1)

4. Component names

[Main unit]

COMPONENT NAMES

Main Unit

Front Panel

Rear Panel

Control Panel (including front input)

qFront Input (AV4)

wMenu/Return button

eInput Select/OK button

rVolume Down/◄button

tVolume Up/►button

yChannel Down/▼button

uChannel Up/▲button

iSub Power button

A Push the bottom center of

the front door to unlock.

B Lift it up from the underside

of the door.

Push here to open the door.

OK P

>PS<

PH40173 INPUT (AV4)

AUDIO

VIDEO

S-VIDEO

RL/MONO

wertyui

tuy

qCabinet

wPanel

eRemote Control Receiver

rIndicating Lamp

tMain Power Switch (on the bottom surface)

Control Panel and Front Input (see below for details)

uDesktop Stand (option)

iSpeaker

qTerminal Board (External Device Connection)

wPower Cord Socket

eHandgrips

rMotor Fan

50PD9800TA (FW1)

[Remote control]

qSub Power

wFunction Select (TV/DVD/STB)

edomnoitcnuftcelesotnottubsihtsserP

indicating LED lamp.

Normally, select “

TV”.

Input Select/DVD Control

Press this button to change input mode.

elihwsnottubesehtesunacuoy,noitiddanI

operating the selected brand of DVD player.

rMenu

tCursor

yOK

uSound Mode

desserpemithcaedegnahcebnacedomdnuoS

in the following sequence. Movie→Music→

Speech→Favorite

iCHI/II

This is exclusively for TV audio A2/NICAM mode.

oVolume Up/Down

aProgram Select [Page Select]

margorpVTatcelesotsnottubesehtsserP

directly. For 2 or 3 digits channel selection,

press +button in advance.

sFreeze [Hold]

ezeerfoterutcipehtegnahcotnottubsihtsserP

mode. Press it again to return to normal picture.

(Also, it holds the page in teletext mode.)

d[Color (Red, Green, Yellow, Blue)]

f[Index]

gTime [Cancel]

nehwemitehtyalpsidotnottubsihtsserP

receiving a TV program.

The time is not displayed if the signal received

does not have any time information.

hTV/Text [TVÙText]

ehtdnaedom

VTehtneewtebsehctiwssihT

Teletext mode.

jZoom [TextÙTV+Text]

Press this button to change picture size.

kRecall

.sutatslangistupniehtwohsotnottubsihtsserP

lReturn

You can use this to return to the previous menu.

1( Picture Mode

Picture mode can be changed each time pressed

in the following sequence. Dynamic→Natural→

Cinema

2) Channel Up/Down [Page Select]

2! Mute

2@ Not Available

2# [Reveal]

2$ [Subtitle]

2% Not Available

2^ Not Available

50PD9800TA (FW1)

5. New adoption technology

[System control micom I001(M30627)]

Pin function table

No. Pin Name I/O FUNCTION

1 VREF (+5.0V) I 5V

2 +5.0V I 5V

3 M_SW1 I/O Main SW1

4 M_SW2 I/O Main SW2

5 S_SW1 I/O Sub SW1

6 BL_CONT I/O LCD Backlight control (DA-out)

7 G_HB I/O GENESIS HEART BEAT

8 G_XRST I/O GENESIS XRST

9 G_BUSY I/O GENESIS BUSY

10 EXT_CONT_1 I/O NC

11 BL_INST I/O Black Insert On/Off for 32V LCD (37V=Low)

12 BL_BLINK I/O Backlight Blink On/Off for 32V LCD (37V=Low)

13 GND I GND

14 CNVSS(FLASH) I CNVSS(FLASH)

15 FC6_DATA_DIR I/O FC6 DATA I/O control

16 S_SW2 I/O Sub FE SW2

17 RESET I Reset

18 16MHz oscillate O OSC-OUT

19 GND I GND

20 16MHz oscillate I OSC-IN

21 +5.0V I 5V

22 NMI(+5.0V) I 5V PULL UP

23 RMCON I/O RX remote controller signal

24 FC6_VSYNC I/O FC6 V.SYNC Input

25 V.FREQ_3 I/O V.Frequency

26 SCV.SYNC I/O SUB_Y.SYNC (composite)

27 IRQ(PM-IRQ) I/O PDP control

28 MCV.SYNC I/O MAIN_Y.SYNC (composite)

29 POWER_LED I/O L : Lighting ( Power save )

30 EXT_CONT_2 I/O NC

31 CEC_OUT I/O CEC OUT(CEC2)

32 H.FREQ_3 I/O H.Frequency

33 PDWN I/O Panel LVDS

34 RXD2 I/O GENESIS communication

35 TXD2 I/O GENESIS communication

36 TXD1(RS232C/FLASH) I/O RS-232C communication / FLASH write

37 I 5V

38 RXD1(RS232C/FLASH) I/O RS-232C communication / FLASH write

39 I GND

40 SCLK(FLASH) I/O FLASH write

41 BUSY(FLASH) I/O FLASH write

42 TXD0(DTT) I/O DTT

43 RXD0(DTT) I/O DTT

44 SDA4(panel) I/O PDP communication (I2C bus)

45 SCL4(panel) I/O PDP communication (I2C bus)

46 M_ENABLE I/O Media Enable

47 M_SCLK I/O Media Clock

48 M_SDA I/O Media Data

49 M_WAKEUP I/O Media Wakeup

50 PDPGO(PM_ON) I/O PDP control / LCD Panel 12V

50PD9800TA (FW1)

No. Pin Name I/O FUNCTION

51 CPUGO(PM_CPU) I/O PDP control / Inverter (V)

52 EPM (FLASH) I/O FLASH write

53 DISPEN I/O DISPEN / Backlight on

54 SCL1 I/O I2C(to Sub PWB) FE/MSP4450G or MSPxxxxG

55 SDA1 I/O I2C(to Sub PWB) FE/MSP4450G or MSPxxxxG

56 HDMI-RESET I/O HDMI-Reset

57 HDMI-HPD_RESET I/O Hot Plug Detect Reset

58 SCL6 I/O I2C(to Sensor PWB) (AD7414)

59 SDA6 I/O I2C(to Sensor PWB) (AD7414)

60 TUNER.DET_1 I/O TUNER setting ( Tuner / 2 Tuner )

61 CE (FLASH) I/O FLASH write

62 STAND.CIR_DET I/O Stand Detect

63 SW_L_OUT I/O Swivel L out

64 SW_R_OUT I/O Swivel R out

65 M_SW I/O B.M. distinction

66 IRQ_DTT/DTT_RESET I/O DTT IRQ/DTT_RESET(for AUS-DTT)

67 DTT_GPIO1 I/O DTT_GPIO1 (for AUS-DTT)

68 DTT_POWER I/O DTT POWER

69 SCDT I/O HDMI Power Save ( return )

70 RS232_SEL1 I/O RS-232C select1 ( Main MPU / GNSS )

71 NC I/O NC

72 CUR_PRTCT I/O Detect Power Swivel overload

73 SP_MUTE I/O SP relay

74 AUDIO_MUTE I/O Audio MUTE

75 REC_MUTE I/O Audio REC_MUTE

76 HP_MUTE I/O Head Phone MUTE

77 SCL5 I/O I2C(Sil9021)

78 SDA5 I/O I2C(Sil9021)

79 SYNC_SW2 I/O sync SW

80 SYNC_SW1 I/O PC/BM sync SW

81 RGB_BLK_2 I/O NC

82 RGB_BLK_3 I/O NC

83 AUDIO_RESET I/O Audio RESET

84 IR_SW I/O IR Through SW

85 +5.0V I -

86 EDID_PROTECT_1 I/O Memory Protect

87 GND I GND

88 WSS_1 I/O NC

89 WSS_2 I/O NC

90 TV.AFC(S) / WSS_3 I/O Sub tuner control (AFC)

91 TV.AFC(M) I/O Main tuner control (AFC)

92 DEALY_SW1 I/O Audio Delay SW1(Lipsync)

93 DEALY_SW2 I/O Audio Dealy SW2(Lipsync)

94 EDID_PROTECT_2 I/O Memory Protect

95 HP_DETECT I/O HEAD PHONE DETECT

96 VCD_CE I/O for SAA7117A CE

97 INT_HDMI I/O INT(HDMI)

98 CEC_IN I/O CEC IN(CEC1)

99 RS232_SEL2 I/O RS-232C SEL2 (DTT / RS-232C SEL1)

100 DEMP_OUT I/O HDMI demphasis control out

50PD9800TA (FW1)

No. Pin Name I/O FUNCTION

101 FC6_XRST I/O FC6 XRST

102 SCL0 I/O

I2C (for Main PWB & Sub PWB)(SAA7117A/AN15867A/MM1631/MAX9723DETE)

103 SDA0 I/O

I2C (for Main PWB & Sub PWB)(SAA7117A/AN15867A/MM1631/MAX9723DETE)

104 SCL3(EEPROM) I/O I2C(EEPROM)

105 SDA3(EEPROM) I/O I2C(EEPROM)

106 EPGGO I/O EPGGO

107 FC6_EXTLD I/O FC6 EXTLD

108 FC6_CLK I/O FC6 CLK

109 FC6_ENABLE I/O FC6 ENABLE

110 V_P_DET_1 I/O V_DET_1(Power Save return)

111 V_P_DET_2/POW_DL I/O V_DET_2(Power Save return)

112 FC6_DATA7 I/O FC6 DATA7

113 FC6_DATA6 I/O FC6 DATA6

114 FC6_DATA5 I/O FC6 DATA5

115 FC6_DATA4 I/O FC6 DATA4

116 FC6_DATA3 I/O FC6 DATA3

117 FC6_DATA2 I/O FC6 DATA2

118 FC6_DATA1 I/O FC6 DATA1

119 FC6_DATA0 I/O FC6 DATA0

120 FC6_PBLK I/O FC6 PBLK

121 PDP_LCD_SW I/O PDP(A4/A4SF/50),LCD(32/37) detect

122 AD_KEY2 I/O AD KEY2*

123 AD_KEY1 I/O AD KEY1(Power)

124 TV.POWER I/O H:Power ON, L:(Standby, Power Save)

125 DIP.DET I/O DIP DET

126 POWER_SAVE I/O L:Lighting (standby, power save), H:Lighting off

127 GND I GND

128 FAN_ALARM *1 I/O FAN ALARM

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