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Pioneer PDP-425MX Service Manual
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Pioneer PDP-425MX Service Manual

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PLASMA DISPLAY
PDP-425MX
PDP-42FXE10
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
PDP-425MX
KUCXZC
PDP-42FXE10
TLXZC5
For details, refer to "Important Check Points for good servicing".
PIONEER CORPORATION
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2005
Power Requirement
AC 100 - 120 V
AC 100 - 240 V
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PDP-425MX
ORDER NO.
PROVISIONAL
Remarks
T-IZY DEC. 2005 printed in Japan

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  • Page 1 PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2005 T-IZY DEC.
  • Page 2 Therefore, the following checks should be performed for the continued protection of the customer and servicetechnician. PDP-425MX...
  • Page 3 PRODUCT SAFETY NOTICE With the AC plug removed from an AC power source, place a Many electrical and mechanical parts in PIONEER set have jumper across the two plug prongs. Turn the AC power switch on. special safety related characteristics. These are often not evident...
  • Page 4 To protect products from damages or failures during transit, the shipping mode should be set or the shipping screws should be installed before shipment. Please be sure to follow this method especially if it is specified in this manual. PDP-425MX...

  • Page 5: Table Of Contents

    2.3 PDP MODULE (NP42H5MF01QA)......................14 3. BLOCK DIAGRAM ............................16 3.1 OVERALL DIAGRAM..........................16 3.2 MAIN BOARD and AUDIO BOARD BLOCK DIAGRAM ................17 4. ADJUSTMENT ..............................18 5. PCB PARTS LIST ............................31 6. DISASSEMBLY ...............................34 7. DIAGNOSIS OF THE PDP MODULE......................39 8. PANEL FACILITIES ............................61 PDP-425MX...

  • Page 6: Specifications

    1. SPECIFICATIONS [ PDP-425MX/ KUCXZC ] Screen Size 918 (H) x 518 (V) mm 36.1 (H) x 20.4 (V) inch Diagonal 42 inch Aspect Ratio 16:09 Resolution 1024 (H) x 768 (V) pixels Input Signals RGB, NTSC (3.58/4.43), PAL (B,G,M,N), PAL60, SECAM Input Terminals INPUT1 : Mini D-sub 15-pin x 1, Audio..
  • Page 7 PDP-425MX...

  • Page 8: Exploded Views And Parts List

    Screws adjacent to mark on product are used for disassembly. For the applying amount of lubricants or glue, follow the instructions in this manual. (In the case of no amount instructions, apply as you think it appropriate.) 2.1 PACKING SECTION PDP-425MX...
  • Page 9 EPE Bag VG3 HAVG3001018 (HAVG3001, REV3A) Carton (BASE) PH3 HFPH3001012 (HFPH3001, REV3A) (2) CONTRAST TABLE PDP-42FXE10/TLXZC5 and PDP-425MX/KUCXZC are constructed the same except for the following : PDP-425MX PDP-42FXE10 Mark No. Symbol and Description KUCXZC TLXZC5 1 Carton (COVER) PH3...

  • Page 10: Exterior Section

    2.2 EXTERIOR SECTION ×36 ×2 ×3 ×11 ×2 ×4 ×20 ×8 ×9 ×25 71 72 ×14 ×67 PDP-425MX...
  • Page 11 ×2 PDP-425MX...
  • Page 12 (EBPH3009, REV 3A) (FAPH3015,REV 3B) Cushion (20 x 10 x T1) PH3 FCPH3008014 Decorator PH3 See Contrast table (2) (FCPH3008, REV 3A) Logo Pioneer PH3 FFPH3001012 (FFPH3001, REV 3B) PH3 Terminal Panel B Assy 3BPH3TA0001 PH3 Bracket Filter Top Assy 39PH3BR0059...
  • Page 13 114 Terminal (DVI) Label PH3 HCPH3002016 Screw T3 x 12 P (BNI) ME30120PJ64 (HCPH3002, REV3A) Screw M4 x 8 B (BNI) MM40080BK40 115 Caution Label (AC) PH4 HCPH4004012 Screw T4 x 12-B (BNI) ME40120BJ24 (HCPH4004, REV3A) IO Nut PH3 MBPH3001019 (MBPH3001, REV 3A) PDP-425MX...

  • Page 14: Pdp Module (Np42H5Mf01Qa)

    (2) CONTRAST TABLE PDP-42FXE10/TLXZC5 and PDP-425MX/KUCXZC are constructed the same except for the following : PDP-425MX PDP-42FXE10 Mark No. Symbol and Description KUCXZC TLXZC5 8 Front Panel (BK) PH3 EAPH3001026 Not used 8 Front Panel PH3 Not used EAPH3001018 10 Decorator (BK) PH3...
  • Page 15 PKG42H5E3/50X6E3 9S899829 Scan Relay Board(Center) PKG42H5E3/50X6E3 9S899899 PKG42H5J4 9S899919 Common Connection Board PKG42H5J3 9S899918 Common Relay Board FFC42H5-05 9S500025 FFC42H5-01 9S500021 FFC61C2-08 9S500020 FFC42H5-02 9S500022 FFC42H5-03 9S500023 FFC42H5-04 9S500024 CABLE42H5-01 9S600016 CABLE42H5-02 9S600017 CABLE42H5-04 9S600018 Polyester Tape No.3161 9S700001 PDP-425MX...

  • Page 16: Block Diagram

    Button A (7pin) Audio B (3pin) PA (7pin) PV (8pin) PN (12pin) LVDS cable Button B (7pin) Audio Board To FAN Audio A (11pin) To sensor Main Board Switch (9pin) LED (5pin) 50" model only IR Board Power Switch Board PDP-425MX...

  • Page 17: Main Board And Audio Board Block Diagram

    Audio Board Block Diagram U900 U902 L ch Pre-Amplifier L ch NJW1141 Audio Amplifier TAA2008 (1) Internal SW R ch R ch (2) Volume and (1) Class T Architecture Tone Control (2) 8W+8W Output STBY (3) Build in AGC Function Mute PDP-425MX...

  • Page 18: Adjustment

    Notes: 1. If no signal is input to INPUT 1, the Service Mode menu will be displayed for an instant but disappear immediately. Supply signals from a PC to INPUT 1. 2. If no signal is input to any input connector of the unit, the system enters Burn-In mode. Fig. 3 PDP-425MX...
  • Page 19 Check input source signal No Signal "Input" key "Menu" key Burn In mode OSD Menu Auto Adjustment Screen auto adjust Auto White Balance "Input" key ADC IC Select ADC chip Initial EEPROM Color temperature select R.G.B. Gain and Bias set HOURMETER PDP-425MX...
  • Page 20 AA8B MENU MENU Open/Close the MENU AA96 RIGHT+ Select the upper item AA95 VOL + Execute the function AA94 VOL- Execute the function AA97 RIGHT- Select the lower item AA1C STANDBY/ON Power Off and Exit the Service factory Mode PDP-425MX...
  • Page 21 Gain value for Blue Channel of ADC device 0~255 R-BIAS Black level for Red Channel of ADC device 0~255 G-BIAS Black level for Green Channel of ADC device 0~255 B-BIAS Black level for Blue Channel of ADC device 0~255 PDP-425MX...
  • Page 22 G a i G a i G a i B i a B i a B i a M o v e : i n g : u r n : M E N U PDP-425MX...
  • Page 23 Gain value for Blue Channel of ADC device 0~512 R-BIAS Black level for Red Channel of ADC device 0~512 G-BIAS Black level for Green Channel of ADC device 0~512 B-BIAS Black level for Blue Channel of ADC device 0~512 PDP-425MX...
  • Page 24 G a i G a i G a i B i a B i a B i a M o v e : i n g : u r n : M E N U PDP-425MX...
  • Page 25 Press the "VOL - (A) " and "RIGHT+ (B)" two keys again in the key pad simultaneously and current system working mode is in the serv factory mode, the system will leave the service factory mode and do the service factory preset function, after that, the system will back to normal operation mode. (See Fig.6) Fig.6 PDP-425MX...
  • Page 26 Options Menu(1) DNRS01 • • DNR: LOW Options Menu(1) DNRS02 • • DNR: MIDDLE Options Menu(1) DNRS03 • • DNR: HIGH Options Menu(1) ESVS00 • • Energy save: STANDARD Options Menu(2) ESVS01 • • Energy save: MODE1 Options Menu(2) PDP-425MX...
  • Page 27 ORBS00 • • Orbiter: OFF Options Menu(2) ORBS01 • • Orbiter: NORMAL Options Menu(2) ORBS02 • • Orbiter: FAST Options Menu(2) OSDS00 • • OSD display is forbidden • • OSDS01 • • Permit the OSD display • • PDP-425MX...
  • Page 28 000~050 Adjusts the audio volume • • VPS*** • • Adjusts the vertical position Screen Menu VSI*** • • Adjusts the vertical size Screen Menu •• White Balance Reset Picture Menu − : Not Available ? : Available , PDP-425MX...
  • Page 29 78.8 POSI POSI VESA standard 85.0 68.7 94.5 POSI POSI VESA standard − 56.3 45.1 76.2 NEGA NEGA PIONEER original 1280 x 768 WXGA 59.9 47.8 79.5 NEGA POSI wide2 69.8 56.0 95.0 NEGA POSI 1280 x 800 59.8 49.7 83.5...
  • Page 30 74.25 Tri_level Tri_level 1920 x 1080 @ 59.94 60/1.001 33.72 74.25/1.001 Tri_level Tri_level 1920 x 1080 @ 60 33.75 74.25 Tri_level Tri_level 1920 x 1080 @ 50 28.13 74.25 Tri_level Tri_level − : Not Available ? : Available , PDP-425MX...

  • Page 31: Pcb Parts List

    IC (100P) DS90C387AVJD (48BIT,TQFP) EP AJ003870H04 IC (8P) DS90LV018ATM (SOP) EP AJ000180009 > U16-U17 IC (8P) G994P1U (SOP) EP AL000994008 IC (20P) G791SFU (SSOP) EP AL000791C01 IC EEPROM (8P) 24LC32A-I/SNG (32K,400KHZ)EP AKE31ZB0Y05 IC EEPROM(8P) 24LC02BT-I/SNG(2K,SOIC) EP AKE3K8B0Y50 U2-U3 IC(6P) NC7WZ14P6X_NL(SC70-6) EU AL07WZ14011 PDP-425MX...
  • Page 32 M M M M I I I I S S S S C C C C E E E E L L L L L L L L A A A A N N N N E E E E O O O O U U U U S S S S LED DIP (3P) IR RECIVER(B)TSOP34840SB1 EP BEBK0037D01 LED1 LED DIP (3P) RED ORANGE/GREEN (LTL-1BEHJ) EP BEAG0004DA9 PDP-425MX...
  • Page 33 M M M M I I I I S S S S C C C C E E E E L L L L L L L L A A A A N N N N E E E E O O O O U U U U S S S S TRANSISTOR DIP 2N3904RLRAG(TO-92)EP BAN39040D01 CON1 CONN DIP HEADER 3P 1R MS(P2.0,H6.0)EP DFHD03MS673 PDP-425MX...

  • Page 34: Disassembly

    Remove the 4 screws. Remove the Back Cover. • Front Panel section Method 1. Remove the Back cover. (Refer to "Back cover section") Remove the Front panel. Front panel Back Cover Method 2. Remove the 6 screws. Remove the Front panel. PDP-425MX...
  • Page 35 Remove the screw and GND terminal. Remove the 3 screws. Remove the 4 screws. Remove the 6 Hexagon head screws. Input Assy Remove the M/B Assy. Power Block Disconnect the 3 connectors. Remove the 10 screws. Remove the Pwr Assy. Pwr Assy PDP-425MX...
  • Page 36 Sub flme Assy Block Remove the 2 screws. Remove the bracket option L Assy. Remove the 4 screws. Remove the shield cover main Assy. Remove the 17 screws. Remove the screw and GND terminal. Disconnect the connectors. PDP-425MX...
  • Page 37 Remove the sub flame Assy Block • Sub flme Assy Block • Panel module Block Remove the Gasket Remove the module Block Module Block PDP-425MX...
  • Page 38 Front Panel Assy Block Remove the 12 screws. Remove the 12 screws. Remove the 12 screws. PDP-425MX...

  • Page 39: Diagnosis Of The Pdp Module

    From Service Manual (1) Model, Serial No. and Panel ID. of the product Exchange PDP (2) Panel Crack (3) Connectors/Cables Reconnect or exchange Phenomenon Reuse Reproduction (6) Horizontal (7) Picture (5) Vertical (4) Pixel Defect (8) Power-off Line Defect Line PDP-425MX...
  • Page 40 Refer to the photographs below to find Model, Serial No. and Panel ID. Model/Serial No. Panel ID Above Example Model: NP42H5MF01AA Serial No.: 408200943 222407145612 (2) Panel Crack Refer to the photographs below to check panel for crack. Panel may be cracked due to handling during or after transportation. PDP-425MX...
  • Page 41 (3-2) Check connectors and cables whether they are connected and locked right. See the following right procedure of connection. Data Relay Board (LU) Data Relay Board (RU) Common Relay Board High Voltage Board Digital Board Data Relay Board (LD) Data Relay Board (RD) PDP-425MX...
  • Page 42 ↔ Data Relay Board ↔ Scan Relay Board (Photo) Locked Unlocked Right Connection (Part 3) Data Relay Board (Photo) Common Connection Board (Photo) High Voltage Board (Photo) ↔ Panel ↔ Common Relay Board ↔ Common Relay Board (Photo) Locked Unlocked PDP-425MX...
  • Page 43 Refer to the below for diagnosis. Note: Typical Symptom are only shown. Another Symptom might appear. Symptom: Bright defect or dark defect Cause/Countermeasure: PDP failure if out of spec. ⇒ Exchange PDP. 1 pixel 2 pixels 2 pixels 3 pixels 3 pixels 3 pixels PDP-425MX...
  • Page 44 2 Failure in Data IC ⇒ Exchange PDP. 2 Open or contact failure of multiple Data flexible cable ⇒ Clean, Reconnect or exchange connector. 3 Failure in Data Relay Board ⇒ Exchange Data Relay Board. 4 Failure in multiple Data IC ⇒ Exchange PDP. PDP-425MX...
  • Page 45 4 Short between terminals of Scan IC due to screw dust ⇒ Clean around the terminals. (7) Picture Defect Note: Typical symptom are only shown. Another Symptom might appear. (7-1) Symptom: No Picture (Priming flash). High Voltage Board Glass Fuse (F302) OK: Short NG: Open Cause/Countermeasure: 1 F302 open ⇒ Exchange High Voltage Board. PDP-425MX...
  • Page 46 (Pin 3 or 7) ⇒ Data Relay Board (LD) is failed ⇒ Exchange Data Relay Board (LD). b) If the connector CN7908 disconnected from Data Relay Board (RD) is short-circuited between Pin 8 and GND (Pin 3 or 7) ⇒ Data Relay Board (RD) is failed ⇒ Exchange Data Relay Board (RD). PDP-425MX...
  • Page 47 OK: Diode characteristic (61 ~ 64) (53) NG: Other than above (57 ~ 59) (55 ~ 56) (7-3) Symptom: No Picture. (Priming doesn't flash.) Cause/Countermeasure: R146 open ⇒ Exchange High Voltage Board. R146 OK: About 4.7Ω (2W) NG: Open R146 PDP-425MX...
  • Page 48 Mosaic shear in display Regular noise Cause/Countermeasure: 1 Contact failure of connector adjacent to Digital Board or short circuit due to conductive obstacle ⇒ Clean or Reconnect 2 Failure in circuit on Digital Board ⇒ Failure in Digital Board PDP-425MX...
  • Page 49 1 F301 open ⇒ Exchange High Voltage Board. 2 FU801 open ⇒ Exchange Digital Board. 3 F1 open ⇒ Exchange High Voltage Board. Glass Fuse (F301) Digital Board OK: Short NG: Open Chip Fuse (FU801) High Voltage Board OK: Short NG: Open PDP-425MX...
  • Page 50 6 Short between NEGA-POSI on Scan Relay Board (D) ⇒ Exchange Scan Relay Board (D). High Voltage Board Scan Relay Board (U) NEGA POSI Checkpoint NEGA-POSI OK: More than KΩ NG: Short High Voltage Board Scan Relay Board (D) POSI NEGA Checkpoint NEGA-POSI OK: More than KΩ NG: Short PDP-425MX...
  • Page 51 (8-2) Symptom: No Picture ⇒ Power off (Priming flash) Cause/Countermeasure: R91 open ⇒ Exchange High Voltage Board. High Voltage Board Fuse Resistor (R91) OK: About 2.2Ω (1W) NG: Open PDP-425MX...
  • Page 52 R43, R61 open ⇒ Exchange High Voltage Board. Fuse Resistor (R150) Fuse Resistor (R43), (R61) OK : About 3.3Ω (2W) NG : Open OK : About 4.7Ω (2W) NG : Open R150 OK : About 4.7Ω (2W) NG : Open PDP-425MX...
  • Page 53 Caution: Put cushion under failed PDP to cover general surface of glass before laying it's screen down. (1) Disconnect connectors and cables on failed Board. (2) Detach failed Board. (2) Put on good Board. (3) Connect connectors and cables. PDP-425MX...
  • Page 54 Board. See the next page for the procedure. Data Relay Board (LU) Data Relay Board (RU) 3 screws 3 screws Common Relay Board 15 screws High Voltage Board 15 screws Digital Board 4 screws Data Relay Board (LD) Data Relay Board (RD) 3 screws 3 screws PDP-425MX...
  • Page 55 3. Repeat 1 and 2 until Heat Sink is taken off. (3) Before detaching Heat Sink Repeat Heat Sink and Data TCP Reverse of Heat Sink Be careful of sticking. Data TCP mounted Heat-conductive On flexible cable silicone sheet PDP-425MX...
  • Page 56 Caution: Be sure to put on Heat Sink after assembling Data Relay Board. Data Relay Board (LU) Data Relay Board (RU) 8 connectors 9 connectors Common Relay Board 1 connector High Voltage Board 6 connectors Digital Board 7 connectors Data Relay Board (LD) Data Relay Board (RD) 8 connectors 9 connectors PDP-425MX...
  • Page 57 Caution: Be sure to connect a Signal Cable and two Power Cables. Otherwise High Voltage Board may be broken. Display Inspection Detach PDP from Jig. Trouble Shooting Keep it if PDP is assembled Into product set. Reuse (next process) PDP-425MX...
  • Page 58 Vsw1: Adjust VR3 so that the voltage between Test Pad (TP328) and GND becomes "Rated Voltage on Label ± 0.5V". Vsw2: Adjust VR4 so that the voltage between Test Pad (TP310) and GND becomes "Rated Voltage on Label ± 0.5V". High Voltage Board TP310 Vsw2 VR3 Vsw1 VR4 Vsw2 TP328 Vsw1 PDP-425MX...
  • Page 59 Vp: Adjust VR1 so that the voltage between Test Pad (TP327) and GND becomes "Rated Voltage on Label ± 0.5V" . Vbw: Adjust VR2 so that the voltage between Test Pad (TP329) and GND becomes "Rated Voltage on Label ± 0.5V". High Voltage Board VR2 Vbw VR1 Vp TP329 Vbw TP327 Vp PDP-425MX...
  • Page 60 (6) Display Inspection Confirm that every signal picture is good. Green Blue Color Bars Gray Scale Caution: PDP module may have instable picture display if electrified after a long storage. Then conduct aging for about 2 hours. PDP-425MX...

  • Page 61: Panel Facilities

    Direct access of input 1 ( RGB ) source 7 INPUT 2 ( RGB ) Direct access of input 2 ( RGB ) source 8 INPUT 3 ( DIGITAL-RGB ) Direct access of input 3 ( DVI-D ) source PDP-425MX...

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Pdp-42fxe10

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