Sony PFM-42X1 Service Manual
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Sony PFM-42X1 Service Manual

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FLAT PANEL DISPLAY
PFM-42X1
PFM-42X1N
COMPONENT/RGB ACTIVE THROUGH ADAPTOR
BKM-V12
SPEAKER SYSTEM
SS-SP20B
SS-SP20S
REMOTE COMMANDER
RM-971
SERVICE MANUAL
1st Edition

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  • Page 1 FLAT PANEL DISPLAY PFM-42X1 PFM-42X1N COMPONENT/RGB ACTIVE THROUGH ADAPTOR BKM-V12 SPEAKER SYSTEM SS-SP20B SS-SP20S REMOTE COMMANDER RM-971 SERVICE MANUAL 1st Edition...
  • Page 2 Ce manual est destiné uniquement aux personnes compétentes en charge de l’entretien. Afin de réduire les risques de décharge électrique, d’incendie ou de blessure n’effectuer que les réparations indiquées dans le mode d’emploi à moins d’être qualifié pour en effectuer d’autres. Pour toute réparation faire appel à une personne compétente uniquement. PFM-42X1/42X1N...
  • Page 3 équivalent recommandé par le constructeur. Mettre au rebut les batteries usagées conformément aux instructions du fabricant. ADVARSEL! Lithiumbatteri-Eksplosionsfare ved fejlagtig håndtering. Udskiftning må kun ske med batteri af samme fabrikat og type. Levér det brugte batteri tilbage til leverandøren. 1 (P) PFM-42X1/42X1N...
  • Page 4 Gerät abschaltet und signalisiert “Batterie leer” oder nach längerer Gebrauchsdauer der Batterien “nicht mehr einwandfrei funktioniert”. Um sicherzugehen, kleben Sie die Batteriepole z.B. mit einem Klebestreifen ab oder geben Sie die Batterien einzeln in einen Plastikbeutel. 2 (P) PFM-42X1/42X1N...

  • Page 5: Table Of Contents

    Adjusting the Board Group (Applying the Tools) ..... 2-3 2-3-5. Adjustment after Assembling (PDP Module Adjustment) ..2-4 2-4. Troubleshooting ..................2-7 2-4-1. Checking for No Picture ............. 2-7 2-4-2. Hitch Diagnosis Based on the Display Condition ...... 2-9 2-4-3. Checking for Component Damage ........... 2-12 PFM-42X1/42X1N...
  • Page 6 3. Troubleshooting Guide 3-1. Out of Order on Power ................3-1 3-2. No Raster State .................... 3-3 3-3. Sound Troubleshooting ................3-7 4. Spare Parts 4-1. Notes on Repair Parts .................. 4-1 4-2. Exploded Views ..................4-2 PFM-42X1/42X1N...

  • Page 7: Service Overview

    Section 1 Service Overview 1-1. Appearance Figure 1-2. Board Locations TEMP H2 (User control) G (Power) DDC CI T (R) (SP) CTRL T (L) (SP) L (Audio) BKM-V10 Z-SUS H1 (SW) A (Main) Y-SUS PFM-42X1/42X1N...

  • Page 8: Disassembly

    1-3-2. Rear Cover Assembly 1-3-1. BKM-V10 1-3-3. Bezel Assembly 1 Upper Side Upper Side 1-3-5. Plasma Display Panel 1 1-3-4. Bezel Assembly 2 Upper Upper Side Side Upper Side Upper Side 1-3-6. Plasma Display Panel 2 Upper Side Upper Upper Side Side PFM-42X1/42X1N...
  • Page 9 Upper Side 1-3-13. Z -SUS Board For removal procedure, refer to For removal procedure, refer to "Plasma Display Panel 2". "Plasma Display Panel 1.2". Upper Side 1-3-10. XRB Board and XLB Board 1-3-9. CTRL Board Upper Upper Side Side PFM-42X1/42X1N...

  • Page 10: Bkm-V10

    1-3-1. BKM-V10 A (Main) board 2 BKM-V10 Loosen the two screws. 1-3-2. Rear Cover Assembly 1 Four screws 2 Four hooks 4 Fourteen screws 3 Ten screws Rear cover assembly Upper Side Conductive cushion PFM-42X1/42X1N...

  • Page 11: Bezel Assembly 1

    6 T board (R), Two brackets CN1302 7 Four screws 3 Two screws 8 Two brackets CN1304 4 T board (L), Two brackets 9 Two screws P501 0 Temp board Upper CN1101 Side Conductive cushion !- Multi button, H2 board, Bracket PFM-42X1/42X1N...

  • Page 12: Bezel Assembly 2

    5 Main chassis Bezel assembly, etc. Conductive cushion Upper 7 Frame front assembly Side 6 Nine screws Conductive cushion 0 Screw != Filter glass !- Power button 8 Two screws 9 H1 board ![ Bezel assembly Upper Side Conductive cushion PFM-42X1/42X1N...

  • Page 13: Plasma Display Panel 1

    3 Screw 1 Two screws 4 Temp board 2 D.C. fan, Bracket CN800 Upper Side Conductive cushion CN302 CN303 CN301 !- Four screws CN901 != L (Audio) 9 Two screws board 0 DDC CI board Upper Side Conductive cushion PFM-42X1/42X1N...

  • Page 14: Plasma Display Panel 2

    CN807 1 Eight screws 2 Holder 3 G board Upper Side Conductive cushion 4 Two screws 6 Four screws 5 Four screws 7 A board, Two frame module metal assemblies, etc. 8 Plasma display panel Upper Side Conductive cushion PFM-42X1/42X1N...

  • Page 15: Litium Battery

    Remove the lithium battery in the direction of arrow. 5 Lithium battery Upper Side Conductive cushion 1-3-8. A Board CN23 CN19 CN22 3 Shield 1 Seven screws CN501 3 A board 2 Six hexagon screws Upper Side Conductive cushion PFM-42X1/42X1N...

  • Page 16: Ctrl Board

    4 Three screws 3 A board, Two frame module metal assemblies, etc. 5 XRB board P720 6 Three screws P710 P750 P730 P510 P740 P700 P520 7 XLB board P530 P540 P550 2 G board Upper Side Conductive cushion 1-10 PFM-42X1/42X1N...

  • Page 17: Xrt Board And Xlt Board

    A. P350 Conductive cushion 4 Remove the XRT board in the direction of the arrow B. P320 P340 P330 P310 P300 Upper Side Conductive cushion 2 Open the G board in the direction of the arrow A. 1-11 PFM-42X1/42X1N...

  • Page 18: Ydb Board And Ydt Board

    2 T board (L), Side Two brackets 7 Two screws 8 Bracket 1-3-13. Z-SUS Board 3 Three screws 4 T board (R), Two brackets 1 Two screws 5 Five screws 2 Bracket 6 Z-SUS board Upper Side Conductive cushion 1-12 PFM-42X1/42X1N...

  • Page 19: Y-Sus Board

    1 Five screws 2 Y-SUS board Conductive cushion Upper Side 1-4. Warning on Power Connection Use the proper power cord for your local power supply. PFM-42X1 series United State, Canada Continental Europe United Kingdom, Ireland, Austria, Japan New Zealand Plug type...

  • Page 21: Electrical Adjustment

    3) Execute PC. CUTOFF. 4) Input Full White pattern. 2. Setup 5) Execute PC.GAIN. 1) Set the timing and pattern data for the signal generator according to the Sony timing specifications. 2) Connect the monitor video cable to the signal genera- tor. PFM-42X1/42X1N...

  • Page 22: White Balance Adjustment

    2-2-4. Shipment Condition Setting 2) Signals type : If a detailed timing is needed, refer to Sony Timing Specifications. PC XGA (1024 x 768 60 Hz) Set the shipment condition (Refer to SONY Color Matrix 1080I (Y/Pb/Pr) Specifications.). 480P (Y/Pb/Pr) NTSC Composite 1) Display the SERVICE MODE OSD menu.

  • Page 23: Panel Adjustment

    If you leave the still image displayed for more than 10 Adjust, the initial-setup voltage within the setup range minutes (especially the digital pattern or cross hatch according to the module’s characteristics. pattern, which has a clear gradation), afterimage may remain in the black level part of screen. PFM-42X1/42X1N...
  • Page 24 B/D, and connect the positive probe to the lower leg of R37 (or R50) to check the Vsc voltage (115 ± 1 V). When there is abnormality in the voltage, turn the variable resistor (PS3) of DC/DC Pack (Vsc) on Y B/D to adjust it. PFM-42X1/42X1N...
  • Page 25 9 Switch the signal of the signal generator to 100% Full White signal. 0 Repeat the previous adjustment step (2), and record each voltage as Vsmin4/Vsmax4. !- Switch the signal of the signal generator to 100% Full Black signal. != Repeat the previous adjustment step (2), and PFM-42X1/42X1N...
  • Page 26 3) The power supply must be turned on in the following sequence. Reverse the sequence when turning off the power. * Module on : 5 V → Va → Vs, Module off : Vs → Va → 5 V 4) Select the 1024 x 768 mode for the signal generator. PFM-42X1/42X1N...

  • Page 27: Troubleshooting

    8) Replace the CTRL B/D. <A: Y B/D Output wave - 1 FRAME> <B: Y B/D Output wave - 1 SF> <A: Y B/D Output wave - 1 FRAME> <B: Y B/D Output wave - 2,4 to 12 SF> PFM-42X1/42X1N...
  • Page 28 < B: Z B/D Output wave - 1 FRAME > < C: Z B/D Output wave – 1 to 12 SF> < X B/D Output wave - 1 FRAME > < X B/D Output wave - 1 SF > < X B/D Output wave - Enlarged > PFM-42X1/42X1N...

  • Page 29: Hitch Diagnosis Based On The Display Condition

    COF IC unit appears in an entire X B/D. An unusual screen that corresponds to one Data : All <Case 5> COF IC unit appears in : Partial the entire upper or lower : Not at all part of the screen. PFM-42X1/42X1N...
  • Page 30 2) Replace the Y DRV B/D or Y SUS B/D. Screen display forms The screen display is very good The screen display is poor Display Pattern Case 1 : Entire Copy Case 2 : Top Copy Case 3 : Bottom Copy Case 4 : Entire Copy 2-10 PFM-42X1/42X1N...
  • Page 31 3) Check the connector that connects the Z B/D and controller B/D. 4) Replace the controller B/D or Z B/D. 13. A specific color does not have a specific brightness. 1) Check the connector of the CTRL B/D input signal. 2) Replace the CTRL B/D. 2-11 PFM-42X1/42X1N...

  • Page 32: Checking For Component Damage

    Y B/D and the B35 waveform of the Z B/D (Full White pattern). Set-down <FET Ass’y normal output wave> . Measuring position : Enlarged wave of the reset section of TP B50 (Y B/D) (Full White pattern). 2-12 PFM-42X1/42X1N...
  • Page 33 Fig. 6 When the Y drv B/D top or bottom cable is damaged <SCAN IC normal output wave> . Measuring position : The enlarged SCAN section after measuring the output ICT of the Y drive B/D. (Full White pattern). 2-13 PFM-42X1/42X1N...

  • Page 35: Troubleshooting Guide

    Replace Check Ctrl signal Check IC2 Pin #3 the Power Board CN9 Pin#1 ‘ACD ’ Pass Pass Fail Fail Check Ctrl signal Replace Check CN9 (Pin#5) IC8 Pin #9 the Power Board ‘VS07’ Pass Check the Power Cable connection PFM-42X1/42X1N...
  • Page 36 NO RASTER ON DIGITAL SIGNAL (DV1) Repeat ‘A ’ Process Pass Fail Rewrite EDID Check The Data EDID Data PFM-42X1/42X1N...

  • Page 37: No Raster State

    Pass . Check the D-sub Connection Find a - Y/Pb/Pr Jack check Fail Fail Soldering Error Replace . Check the other Device or check the the Main Board - IC26, IC27 (SD RAM) oscillator (X5) - IC44 (LVDS83) Pin#32 PFM-42X1/42X1N...
  • Page 38 . In/Out H/V Sync the Main Board . Output Data Pass Check IC10(FLI2310) Fail . S2310-RESET . In/Out H/V Sync . Output Data Replace the Main Board Pass Power S/W off and on after removing the Input signal cable PFM-42X1/42X1N...
  • Page 39 Fail Replace . In/Out H/V Sync . Output Data the Main Board . Input Signal Pass Check U302(FLI2310) Fail Replace . VPC-RESET . In/Out H/V Sync the Main Board . Output Data Pass Check the Input jack and cable PFM-42X1/42X1N...
  • Page 40 A Process the Main Board B12,B13,B14,B15,B16 Fail Check Connector Line R/G/B/H/V Pass No Raster On Y, Pb, Pr/Y, Cb, Cr VS-Board Option #2 Input Input Fail Check CN207(44Pin Wafer) A Process Connector Line B12,B13,B14 Fail Check Connector Line Pb/Y/Pr Pass PFM-42X1/42X1N...

  • Page 41: Sound Troubleshooting

    Audio board Sound B,d Check Pass Pass Check Connector Sound Board:CN301 Pin#1,3 Sound output device (IC351) has over lod protection circuit. If speaker terminal is shorted in a moment. Sound function is stopped until the power switch off and on. PFM-42X1/42X1N...

  • Page 43: Spare Parts

    Ne les remplacer que par une pièce portant le numéro spécifié. 2. Standardization of Parts Some repair parts supplied by Sony differ from those used for the unit. These are because of parts common- ality and improvement. Parts List has the present standardized repair parts.

  • Page 44: Exploded Views

    Screw Kit 4-2. Exploded Views 12 11 PFM-42X1/42X1N...
  • Page 45 Screw Kit 16 17 Note : The screws can be ordered in units of screw kit. (Sony part No. 20 to 22) No. Part No. SP Description No. Part No. SP Description No. Part No. SP Description X-2022-846-1 s SCREW KIT, INSIDE...
  • Page 46 Cover UPPER SIDE PFM-42X1/42X1N...
  • Page 47 2-318-611-21 s MAIN FLAME COVER (PFM-42X1N) 2-990-241-01 s HOLDER (A), PLUG 4-101-215-01 s BUTTON, POWER 4-101-217-01 s MULTI BUTTON (GRAY) 4-101-217-11 s MULTI BUTTON (BLACK) 1-789-070-11 s MOUNTED CIRCUIT BOARD DDC CI 1-528-174-11 s BATTERY, LITHIUM (CR2032 TYPE) 1-761-816-11 s MOUNTED CIRCUIT BOARD, OP-1 PFM-42X1/42X1N...
  • Page 48 Panel UPPER SIDE PFM-42X1/42X1N...
  • Page 49 1-761-988-11 s MOUNTED CIRCUIT BOARD, XLT 1-761-989-11 s MOUNTED CIRCUIT BOARD, XRB 1-761-990-11 s MOUNTED CIRCUIT BOARD, XRT 1-761-991-11 s MOUNTED CIRCUIT BOARD, XLB 1-761-992-11 s MOUNTED CIRCUIT BOARD, CTRL 1-805-659-11 s DISPLAY PANEL, PLASMA 1-576-233-12 s FUSE (H.B.C.) 6.3A/250V PFM-42X1/42X1N...
  • Page 50 PSW 4X10 Part No. SP Description 301 1-825-627-11 s LOUDSPEAKER L (BLACK) 1-825-628-11 s LOUDSPEAKER L (SILVER) 302 1-825-627-21 s LOUDSPEAKER R (BLACK) 1-825-628-21 s LOUDSPEAKER R (SILVER) 303 1-900-276-27 s CONNECTOR ASSY (SP) Screws/Washers 7-682-962-09 s SCREW PSW 4X10 PFM-42X1/42X1N...
  • Page 51 4-101-220-01 o CUSHION, TOP& BOTTOM 4-101-222-01 o CARTON, INSIDE 4-101-224-01 o ACCESSORY BOX 4-101-223-01 o BAG, PROTECTION 4-101-219-01 o TRAY, BOTTOM 4-978-977-01 s LID, BATTERY (BLACK) 4-101-214-01 s HOLDER, CABLE ------------ s CORD, SET POWER (See 1-4. Warning on Power Connection.) PFM-42X1/42X1N...
  • Page 52 CN22 A (Main) board CN19 G (Power) board BKM-V10 CN808 CN15 TEMP board board CN901 P501 CN303 AC inlet L (Audio) board CN301 CN302 DDC CI board board P501 CN1302 Z-SUS board TEMP board T (R) SP board 4-10 PFM-42X1/42X1N...
  • Page 53 1-910-002-82 o CONNECTOR ASSY, SPKL 4P 1-910-002-83 o CONNECTOR ASSY, Z-SUS 8P 1-910-002-84 o CONNECTOR ASSY, SPK R 4P 1-910-002-85 o CONNECTOR ASSY, LVDS 1-910-002-86 o CONNECTOR ASSY, SENS 9P The numbers encircled by round corresponds to those of the left illustration. 4-11 PFM-42X1/42X1N...
  • Page 55 2 V AC range are suitable. (See Fig. A) To Exposed Metal Parts on Set 0.15 µ F 1.5 k Z voltmeter (0.75V) Earth Ground Fig A. Using an AC voltmeter to check AC leakage. PFM-42X1/42X1N...
  • Page 56 PFM-42X1 (SY) Printed in Japan Sony Corporation PFM-42X1N (SY) E 2004. 8 16 B&P Company 9-968-071-01 ©2004...

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