Panasonic TH-42LF30ER Service Manual
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Panasonic TH-42LF30ER Service Manual

Panasonic TH-42LF30ER Service Manual

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Service Manual

Specifications
(Information in brackets [ ] refers to model 47")
Power Source:
Power Consumption:
Power on:
Stand-by condition:
Power off condition:
LCD Display panel:
Screen size:
(No. of pixels)
Operating Conditions:
Applicable signals:
Colour System:
Scanning Format:
PC signals:
Connection Terminals:
220-240V AC, 50/60 Hz
290W [340W]
0.5W
0.3W
L5EDDYY00335
[L5EDDYY00336]
16:9 aspect ratio
Wight:
Height:
Diagonal:
930mm
523mm
1,067mm
[1,039mm]
[584mm]
[1,192mm]
2,073.600 (1,920 (W) x 1,080 (H))
0°C  40°C
Temperature:
20%  80%
Humidity:
NTSC, PAL, PAL60, SECAM, NTSC 4.43, PAL M, PAL N
525 (480) / 60i, 60p
625 (575) / 50i, 50p
750 (720) / 60p, 50p
1,125 (1,080) / 60i, 60p, 50i, 50p, 24p, 25p, 30p, 24sF
VGA, SVGA, XGA, SXGA, UXGA ....(compressed)
Horizontal scanning frequency 30 – 110 kHz
Vertical scanning frequency 48 – 120 Hz
FULL HD LCD Display
TH-42LF30ER
TH-47LF30ER
LA29 Chassis
© Panasonic Corporation 2011.
Unauthorized copying and
distribution is a violation of law.
ORDER No. PCZ1111133CE

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Summary of Contents for Panasonic TH-42LF30ER

  • Page 1: Service Manual

    1,125 (1,080) / 60i, 60p, 50i, 50p, 24p, 25p, 30p, 24sF PC signals: VGA, SVGA, XGA, SXGA, UXGA ..(compressed) Horizontal scanning frequency 30 – 110 kHz Vertical scanning frequency 48 – 120 Hz © Panasonic Corporation 2011. Unauthorized copying and distribution is a violation of law. Connection Terminals:...
  • Page 2 Connection Terminals: VIDEO IN 1.0 Vp-p (75) AUDIO L-R RCA Pin jack x 2 0.5 Vrms HDMI1, HDMI2 Type A Connectors COMPONENT/RGB IN: with sync 1.0 Vp-p (75) 0.7 Vp-p (75) 0.7 Vp-p (75) AUDIO L-R RCA Pin jack x 2 0.5 Vrms DVI-D IN DVI-D 24 Pin x 2...

  • Page 3: Table Of Contents

    CONTENTS SAFETY PRECAUTIONS ........... 4 POWER LED BLINKING TIMING CHARD....18 GENERAL GUIDE LINES........4 ADJUSTMENT METHOD.......... 19 TOUCH – CURRENT CHECK....... 4 WIRING DIAGRAM ........... 20 PREVENTION OF ELECTROSTATIC DISCHARGE BLOCK DIAGRAM (1 OF 3) ........21 (ESD) TO ELECTROSTATICALLY SENSITIVE (ES) PARTS LOCATION...........

  • Page 4: Safety Precautions

    Safety Precautions General Guide Lines When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

  • Page 5: Prevention Of Electrostatic Discharge (Esd) To Electrostatically Sensitive (Es) Devices

    Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip"...

  • Page 6: About Lead Free Solder (Pbf)

    About lead free solder (PbF) Note: Lead is listed as (Pb) in the periodic table of elements. In the information below, Pb will refer to Lead solder, and PbF will refer to Lead Free Solder. The Lead Free Solder used in our manufacturing process and discussed below is (Sn+Ag+Cu). That is Tin (Sn), Silver (Ag) and Copper (Cu) although other types are available.

  • Page 7: Applicable Input Signals

    Applicable Input Signals PC signals *Mark:applicable input signal Horizontal Vertical HDMI1 RGB IN PC IN DVI-D IN Signal name frequency frequency HDMI2 (Dot clock (MHz) (Dot clock (MHz) (Dot clock (MHz) (kHz) (Hz) 640x400@70Hz 31.46 70.07 *(25.17) *(25.17) *(25.17) 640x400@85Hz 37.86 85.08 *(31.5)
  • Page 8 Component signals *Mark:applicable input signal Horizontal Vertical HDMI1 Component IN DVI_IN Signal name frequency frequency HDMI2 (Dot clock (MHz) (Dot clock (MHz) (kHz) (Hz) 525(480)/60i 15.73 59.94 *(13.5) *(27.0) 525(480)/60p 31.47 59.94 *(27.0) *(27.0) 625(575)/50i 15.63 50.00 *(13.5) 625(576)/50i 15.63 50.00 *(27.0) 625(575)/50p...

  • Page 9: Service Hints

    Service Hints How to remove the backcover Lay the main unit face down. (see Fig.5) Fig.5 Remove the 36 fixing screws. (see Fig.6) SCREWS (1) THEJ048J /34pcs/ (2) XTV3+10JFJK /2pcs/ Fig.6...

  • Page 10: Chassis Board Layout

    Chassis Board Layout V2-BOARD P-Unit DS-BOARD A-BOARD HX-BOARD V1-BOARD Board Name Function A-Board ST micro, YUV, Video IN, HDMI1/2, DVI-IN/OUT, PC, Speaker out DS-Board Slot Interface HX-Board RS-232C_IN/OUT, AUDIO IN V1-Board Remote Control Sensor, Power Indicator, Brightness Sensor V2-Board Power Switch, Key Switch P-Unit Power Supply Location of Lead Wiring...

  • Page 11: Operating Instructions

    Operating Instructions Press to display the Setup menu. Press to select „OSD LANGUAGE“. Press for more than 3 seconds. Press to select „OPTIONS“. Press to display the Options menu. Press to select your preferred menu. Press to adjust the menu. Press to exit from Option menu.

  • Page 12: Option Menu

    Option Menu LA29 chassis series have special function and operation setting facility called Option Menu. This Option Menu is useful for special function required customers. This should be set at the installation stage. Option menu Default setting Contents On screen display Enable/disable to display input mode indication after power on and no signal indication.

  • Page 13: Service Mode

    Service Mode CAT (Computer Aided Test) Mode CAT mode menu CAT panel sys. 8.2 Mode Function Access Button IIC Mode Service Alignment Action CD (Complete Software version Mute more than 3 CD Mode Diagnostic) information EEPROM edit seconds SD Mode SD (Status Display) MTBF parameter Action...

  • Page 14: Cd Mode

    CD mode Select the CD mode by Up/Down button on the remote control at the front page of CAT mode and then press the Mute button on the remote control more than 3 seconds. MONITOR-MCU 1.0100S30 Factory use MONITOR-EEPROM 01.00 20 2152 New data MONITOR-EEPROM Change Addr...

  • Page 15: Ms Mode

    MS Mode Select the MS mode by Up/Down button on the remote control at the front page of CAT mode and the press the Mute button on the remote control more than 3 seconds. Change by Left/Right buttons on the Market select 01.01 remote control and press the action button...

  • Page 16: Iic Mode Structure

    IIC mode structure (following items value is sample data) R DRIVE G DRIVE B DRIVE Panel W/B Adj. by VOL up/down button by up / down button by left / right button change of value R DRIVE G DRIVE B DRIVE LCD DRIVE Adj.

  • Page 17: Self Check

    Self Check Self check is used to automatically check the bus line controlled circuit of the LCD display. To get into the Self check mode, press the volume down button on the customer controls at the top of the set, at the same time pressing the OFF TIMER button on the remote control, and the screen will show.

  • Page 18: Power Led Blinking Timing Chard

    Power LED blinking timing chart Subject Information of LED Flashing timing chart. Contents When abnormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the defective block can be identified by number of blinking of the Power LED on the front panel of the unit. PTCT Blinking times Name...

  • Page 19: Adjustment Method

    Adjustment Method RGB white balance adjustment Instrument Name Connect to Remarks  INTERNAL PATTERN – 100% WHITE Picture menu: STANDARD  Color analyzer User setting: Normal Panel surface except PICTURE: max 30 ( Minolta CA-210 or equivalent ) Procedure Remarks [Conditions] Internal signal: STANDARD ...

  • Page 20: Wiring Diagram

    Wiring Diagram LCD PANEL MAIN IN P-UNIT SPK_L SPK_R VIDEO IN JK4006 V2-BOARD JK4005 HDMI2 V1-BOARD JK4004 HDMI1 A-BOARD DVI OUT JK4003 DVI IN JK4002 RS-232C JK3504 JK4001 HX-BOARD RS-232C JK3503 SERVICE JK3505 JK3501 AUDIO IN AUDIO IN SERVICE PC or DVI SERVICE SERVICE DS10...

  • Page 21: Block Diagram (1 Of 3)

    Block Diagram (1/3) AV2_PR/B AV2_PB/R AV2_Y/G AV3_CVBS D_5V IC4003 AMP STBY (C0JBAA000419) IC4601 IC4602 IC4603 IC4604 IC4605 IC4502 IC4503 STBY HDMI1_5V DC-DC DC-DC DC-DC DC-DC DC-DC DDR2 DDR2 (C3ABSY000102) (C3ABSY000102) (C0DBAYY00727) (C0DBAYY00727) (C0DBAYY00727) (C0DBAYY00369) (C0DBAYY00369) HDMI1_RXC +/- HDMI1_RX0+/- PWR5V HDMI1_RX1+/- STBY 5V IC4002 MICOM3.3V...
  • Page 22 Block Diagram (2/3) V1-BOARD RM1501 V2-BOARD STBY5V KEY CONTROL 3.3V 3.3V SW1552 SW1553 SW1554 BACKLIGHT SN1501 KEY_IN GREEN SW1555 SW1556 BACKLIGHT STBY5V STBY5V SW1551 STBY5V_SW D2800A 2,4,6 GREEN TO V11 HX11 HX-BOARD BACKLIGHT GREEN COMPONENT_L COMPONENT_L CVBS_L CVBS_L COMPONENT_R COMPONENT_R CVBS_R CVBS_R PC_DVI_L...
  • Page 23 Block Diagram (3/3) SLOT 2 DS-BOARD STB5V_S SLOT5V A19,B19 SLOT15V B37,B38 LAN14V B40,A40 SLOT15V A21,B21 LAN14V B17,A17 AH_SLOT1_DET AH_SOS AJ_TXD11 AJ_RXD11 REMOCON_5V RESET DS13 LAN14V_ON/OFF B25,B24 F15V LAN14V IIC3 1 - 5 Q3002 A3,B2,A4 B3,B6,B5 SLOT15V Q3003 AH_SOS A_EA+,-; A_OA+,-; A_EE+,- A5,A8,A7 Q3102 A_EB+,-;...

  • Page 24: Parts Location

    Parts Location NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List. (UK) (CONTINENTAL)
  • Page 25 Parts Location NOTE: The numbers on the exploded view below refer to the exploded view section of the Replacement Parts List.

  • Page 26: Replacement Parts List

    FELT 5X400X0.5 L0AA09C00020 SPEAKER UNIT TMK0EA301 FELT 10X120X0.5 N0AE4GK00005 POWER UNIT TMK0EA302 FELT 5X55X0.5 N2QAYB000691 REMOTE CONTROL TMK0EA314 FELT 20X50X0.55 TBMA162 PANASONIC BADGE TMKA538 FELT 10X265X0.35 TBXA57501 CONTROL PANEL TMKA539 FELT 10X95X0.35 TBXA57701 BUTTON TMKB211 SP SPONGE TESA391 EARTH SPRING TMKB212...
  • Page 27 Cct Ref Parts Number Description Cct Ref Parts Number Description IC3503 C1ZBZ0003985 RS-232 LINE DRIVER/REC D3513 B0BC01600013 ZENER DIODE IC3504 C1ZBZ0003985 RS-232 LINE DRIVER/REC D3514 B0BC01600013 ZENER DIODE IC4001 C1AB00003697 AUDIO AMPLIFIER D3515 B0BC01600013 ZENER DIODE IC4002 C0JBAA000419 LOGIC IC D3516 B0BC01600013 ZENER DIODE...
  • Page 28 Cct Ref Parts Number Description Cct Ref Parts Number Description Q3121 B1CBHD000002 TRANSISTOR Q4703 DSC200100L TRANSISTOR Q3140 DSC200100L TRANSISTOR Q4704 DSC200100L TRANSISTOR Q3141 DSC200100L TRANSISTOR Q4707 DSC200100L TRANSISTOR Q4002 B1ABGC000014 TRANSISTOR Q4708 DSC200100L TRANSISTOR Q4003 B1ABGC000014 TRANSISTOR Q4801 DSC200100L TRANSISTOR Q4015 B1ABCE000015 TRANSISTOR...
  • Page 29 Cct Ref Parts Number Description Cct Ref Parts Number Description L4102 J0JYC0000068 CHIP INDUCTOR JS4006 D0GDR00J0004 .125W 0 Ω L4103 J0JYC0000068 CHIP INDUCTOR JS4007 D0GDR00J0004 .125W 0 Ω L4104 J0JYC0000068 CHIP INDUCTOR JS4008 D0GDR00J0004 .125W 0 Ω L4105 J0JYC0000068 CHIP INDUCTOR JS4009 D0GDR00J0004 .125W...
  • Page 30 Cct Ref Parts Number Description Cct Ref Parts Number Description R3109 D0GB473JA065 0.1W 47K Ω R3571 D0GB223JA065 0.1W 22K Ω R3110 D0GB223JA065 0.1W 22K Ω R4001 D1BD75R0A066 .125W 75 Ω R3111 D0GB103JA065 0.1W 10K Ω R4002 D1BD75R0A066 .125W 75 Ω R3112 D0GB104JA065 0.1W...
  • Page 31 Cct Ref Parts Number Description Cct Ref Parts Number Description R4101 D0GB473JA065 0.1W 47K Ω R4211 D0GB333JA065 0.1W 33K Ω R4102 D0GB473JA065 0.1W 47K Ω R4213 D0GB473JA065 0.1W 47K Ω R4104 D0GB103JA065 0.1W 10K Ω R4214 D0GB102JA065 0.1W 1K Ω R4114 D0GB473JA065 0.1W...
  • Page 32 Cct Ref Parts Number Description Cct Ref Parts Number Description R4318 D0GB220JA065 0.1W 22 Ω R4396 D0GB103JA065 0.1W 10K Ω R4319 D0GB220JA065 0.1W 22 Ω R4397 D0GB562JA065 0.1W 5K6 Ω R4321 D0GB223JA065 0.1W 22K Ω R4398 D0GB103JA065 0.1W 10K Ω R4322 D0GB103JA065 0.1W...
  • Page 33 Cct Ref Parts Number Description Cct Ref Parts Number Description R4477 D0GA470JA023 .063W 47 Ω R4550 D0GB473JA065 0.1W 47K Ω R4478 D0GA470JA023 .063W 47 Ω R4551 D0GB472JA065 0.1W 4K7 Ω R4479 D0GB104JA065 0.1W 100K Ω R4552 D0GB101JA065 0.1W 100 Ω R4480 D0GB101JA065 0.1W...
  • Page 34 Cct Ref Parts Number Description Cct Ref Parts Number Description R4633 D1BB4701A055 0.1W 4K7 Ω R4727 D0GB472JA065 0.1W 4K7 Ω R4634 D1BB2702A055 CHIP RES 0.1W 27K Ω R4728 D0GB472JA065 0.1W 4K7 Ω R4635 D1BB1002A055 0.1W 10K Ω R4729 D0GB472JA065 0.1W 4K7 Ω...
  • Page 35 Cct Ref Parts Number Description Cct Ref Parts Number Description R4858 D0GB470JA065 0.1W 47 Ω C3513 F1J1E3340003 S.M.CAP 330nF CAPACITORS C3514 F1J1E3340003 S.M.CAP 330nF C3515 F1J1E3340003 S.M.CAP 330nF C1501 F1G1C104A077 S.M.CAP 100nF C3516 F1J1E3340003 S.M.CAP 330nF C1502 F1G1C104A077 S.M.CAP 100nF C3517 F1J1E3340003 S.M.CAP...
  • Page 36 Cct Ref Parts Number Description Cct Ref Parts Number Description C4102 F1H1H103A219 CERAMIC 10nF C4170 F1H1E104A029 S.M.CAP 100nF C4103 F1H1H102A219 CERAMIC C4171 F1H1E104A029 S.M.CAP 100nF C4104 F1H1H103A219 CERAMIC 10nF C4172 F1H1E104A029 S.M.CAP 100nF C4105 F1H1H102A219 CERAMIC C4173 F1H1E104A029 S.M.CAP 100nF C4106 F1H1H103A219 CERAMIC...
  • Page 37 Cct Ref Parts Number Description Cct Ref Parts Number Description C4249 F1H1E104A029 S.M.CAP 100nF C4381 F1J0J106A004 S.M.CAP 6.3V 10µF C4250 F1H1E104A029 S.M.CAP 100nF C4382 F1J0J106A004 S.M.CAP 6.3V 10µF C4251 F1J1A106A043 S.M.CAP 10µF C4383 F1J0J106A004 S.M.CAP 6.3V 10µF C4252 F1J1A106A043 S.M.CAP 10µF C4384 F1G1C104A077...
  • Page 38 Cct Ref Parts Number Description Cct Ref Parts Number Description TERMINALS AND LINKS C4498 F1J1A106A043 S.M.CAP 10µF C4499 F1H1E104A029 S.M.CAP 100nF K4ZZ01000267 PLUG C4501 F1J1A106A043 S.M.CAP 10µF K1KB51B00001 51P CONNECTOR C4503 F1H1A105A025 S.M.CAP 1µF K1KA11AA0715 11P CONNECTOR C4504 F1H1A105A025 S.M.CAP 1µF A4-P4 TXJ/A41SFJ...
  • Page 39 Cct Ref Parts Number Description Cct Ref Parts Number Description MISCELLANEOUS COMPONENTS TPC0EA09601 CARTON TPD0AA0069 CUSHION BOTTOM TPD0AA0070 CUSHION TOP TERMINALS AND LINKS A1-PNL TXJ/A11SFJ A1-PNL WIRE A22-V22 TXJA221SFJ A22-V22 WIRE HX11-V11 TSCKZ0060001 HX11-V11 FFC P2-INV TXJ/P21SFJ P2-INV WIRE P3-INV TXJ/P31SFJ P3-INV WIRE DIFFERENCES FOR MODEL TH--47LF30ER...

  • Page 40: Schematic Diagrams

    Schematic Diagrams IMPORTANT SAFETY NOTICE Components identified by mark have special characteristics important for safety. When replacing any of these components, use only manufacturers' specified parts. NOTE RESISTOR All resistors are carbon ¼W resistor, unless marked otherwise. Unit of resistance is OHM () (k=1,000, M=1,000,000) CAPACITORS All capacitors are ceramic 50V unless marked otherwise.

  • Page 56: Conductor Views

    Conductor Views A-BOARD TNPH0980 - TOP IC’S IC4607 IC4001 IC4701 IC4002 IC4801 IC4003 IC4804 IC4004 IC4005 TRAN’S IC4006 Q4077 IC4201 Q4078 IC4501 Q4105 IC4502 Q4126 IC4503 Q4128 IC4505 Q4129 IC4601 Q4601 IC4602 Q4707 IC4603 Q4708 IC4604 Q4801 IC4605 Q4802...
  • Page 57 A-BOARD TNPH0980 - BOTTOM IC’S Q4102 IC4202 Q4103 IC4504 Q4104 IC4506 Q4106 IC4508 Q4107 IC4509 Q4108 IC4702 Q4109 IC4802 Q4110 IC4803 Q4111 Q4112 TRAN’S Q4113 Q4002 Q4114 Q4003 Q4115 Q4015 Q4116 Q4017 Q4117 Q4030 Q4118 Q4049 Q4119 Q4057 Q4120 Q4058 Q4121 Q4066 Q4122...
  • Page 58 DS-BOARD TNPA5500 - TOP IC’S DIODE’S IC3000 D3001 IC3001 D3002 IC3002 D3004 IC3120 D3005 D3100 TRAN’S D3101 Q3000 D3102 Q3001 D3103 Q3002 D3104 Q3003 D3105 Q3008 D3106 Q3009 D3107 Q3100 D3108 Q3101 D3109 Q3102 D3110 Q3103 D3111 Q3104 D3112 Q3120 D3120 Q3121 D3140...
  • Page 59 HX-BOARD TNPA5496 - TOP IC’S IC3502 IC3503 IC3504...
  • Page 60 V1-BOARD TNPA5497 - TOP IC’S RM1501 2A SN1501 2A DIODE’S D1501 V2-BOARD TNPA5498 - TOP DIODE’S D1551 D1552 D1553...

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