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Sony BKM-V12, Service Manual

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Sony BKM-V12 Service Manual Download Page 38

3-4

PFM-42X1/42X1N

NO RASTER ON Y, Pb, Pr/Y,Cb Cr SIGNAL

Power S/W off and on 
after removing the Input
signal cable

Repeat

‘A ’ Process

Input Select

Input 1, Option

Check

Microvision Copy

Protection & Input Select

IC43(CXA2171)

Check

Analog Switch DTV

IC4(BA7657)

Check

IC12(AD9888)

. 

In/Out H/V Sync

. 

Output Data

Check

IC10(FLI2310)

. 

S2310-RESET

. 

In/Out H/V Sync

. 

Output Data

Fail

Fail

Fail

Pass

Pass

Pass

Pass

Pass

480P

480i

720P

1080i

Pass

Pass

Replace

the Main Board

Replace Device

Q53, 54, 55, 50, 51, 52

Replace

the Main Board

Replace

the Main Board

Summary of Contents for BKM-V12

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: ... werden Um die Gefahr eines elektrischen Schlages Feuergefahr und Verletzungen zu vermeiden sind bei Wartungsarbeiten strikt die Angaben in der Anleitung zu befolgen Andere als die angegeben Wartungsarbeiten dürfen nur von Personen ausgeführt werden die eine spezielle Befähigung dazu besitzen AVERTISSEMENT Ce manual est destiné uniquement aux personnes compétentes en charge de l entretien Afin de ...

Page 3: ... 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 ADVARSEL Lithiumbatteri Eksplosjonsfare Ved utskifting benyttes kun batteri som anbefalt av apparatfabrikanten Brukt batteri r...

Page 4: ...den in Deutschland Entsorgungshinweis Bitte werfen Sie nur entladene Batterien in die Sammelboxen beim Handel oder den Kommunen Entladen sind Batterien in der Regel dann wenn das 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 Si...

Page 5: ...1 12 1 3 13 Z SUS Board 1 12 1 3 14 Y SUS Board 1 13 1 4 Warning on Power Connection 1 13 2 Electrical Adjustment 2 1 Setup Adjustment 2 1 2 2 White Balance Adjustment 2 1 2 2 1 Initialization 2 1 2 2 2 AD Calibration 2 1 2 2 3 White Balance Adjustment 2 2 2 2 4 Shipment Condition Setting 2 2 2 3 Panel Adjustment 2 3 2 3 1 Application Object 2 3 2 3 2 Notes 2 3 2 3 3 Adjustment Items 2 3 2 3 4 Adj...

Page 6: ...2 PFM 42X1 42X1N 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 ...

Page 7: ... PFM 42X1 42X1N Section 1 Service Overview 1 1 Appearance Figure 1 2 Board Locations Z SUS G Power A Main L Audio T R SP DDC CI H2 User control T L SP XLB XLT CTRL TEMP Y SUS H1 SW XRB XRT BKM V10 YDB YDT ...

Page 8: ...5 Plasma Display Panel 1 1 3 6 Plasma Display Panel 2 1 3 1 BKM V10 1 3 2 Rear Cover Assembly 1 3 3 Bezel Assembly 1 1 3 4 Bezel Assembly 2 A Upper Side Upper Side Upper Side Upper Side Upper Side Upper Side Upper Side Upper Side Upper Side ...

Page 9: ...1 3 7 Lithium Battery 1 3 8 A Board 1 3 12 YDB Board and YDT Board 1 3 14 Y SUS Board 1 3 13 Z SUS Board For removal procedure refer to Plasma Display Panel 1 2 For removal procedure refer to Plasma Display Panel 2 Upper Side Upper Side Upper Side Upper Side Upper Side Upper Side Upper Side Upper Side ...

Page 10: ...2X1 42X1N 1 Loosen the two screws 2 BKM V10 A Main board CN7 1 3 1 BKM V10 Conductive cushion 5 Rear cover assembly 3 Ten screws 1 Four screws 2 Four hooks 4 Fourteen screws Upper Side 1 3 2 Rear Cover Assembly ...

Page 11: ...e four tapes 1 Peel off the four tapes 3 Two screws 7 Four screws 9 Two screws 0 Temp board Multi button H2 board Bracket 4 T board L Two brackets 8 Two brackets 6 T board R Two brackets 5 Three screws P501 CN1101 CN1304 CN1302 Upper Side Upper Side 1 3 3 Bezel Assembly 1 ...

Page 12: ...must work together for removal Place the removed main chassis on the conductive cushion 3 Four screws 2 Screw 1 Four screws H1 board 4 Connector 5 Main chassis CN201 Conductive cushion Bezel assembly 6 Nine screws 7 Frame front assembly 0 Screw 8 Two screws Power button 9 H1 board Filter glass Upper Side Upper Side Upper Side 1 3 4 Bezel Assembly 2 ...

Page 13: ...501 CN800 1 Two screws 7 Two screws 2 D C fan Bracket 8 D C fan Bracket 5 Three screws 6 AC inlet AC socket cover Conductive cushion 0 DDC CI board CN301 CN901 CN302 CN303 Four screws L Audio board 9 Two screws Upper Side Upper Side 1 3 5 Plasma Display Panel 1 ...

Page 14: ...ive cushion 1 Eight screws 2 Holder 5 Four screws 6 Four screws 7 A board Two frame module metal assemblies etc 8 Plasma display panel 4 Two screws 3 G board CN808 CN801 CN802 CN803 CN806 CN807 P9 Upper Side Upper Side 1 3 6 Plasma Display Panel 2 ...

Page 15: ...ery CR2032 Battery holder Lithium battery removal 1 Four screws 3 Four screws 5 Lithium battery 2 Two fans and brackets 4 Shield Upper Side 1 3 7 Litium Battery 1 3 8 A Board Conductive cushion 1 Seven screws 2 Six hexagon screws 3 A board 3 Shield CN22 CN501 CN3 CN19 CN23 CN8 CN9 CN5 CN2 CN1 Upper Side ...

Page 16: ...lasma Display Panel 2 Upper Side P300 P201 P2 P200 1 3 9 CTRL Board P540 P530 P520 P510 P710 P740 P700 P730 P720 3 A board Two frame module metal assemblies etc 6 Three screws 4 Three screws 5 XRB board 7 XLB board Conductive cushion 2 G board For removal procedure refer to Plasma Display Panel 1 2 1 AC inlet AC socket cover Upper Side P750 P550 1 3 10 XRB Board and XLB Board ...

Page 17: ...ard in the direction of the arrow A Conductive cushion P340 P330 P320 P350 P310 P300 P110 P120 P130 P140 P100 P150 A B G board 8 Open the G board in the direction of the arrow A Conductive cushion A B 9 Three screws Conductive cushion XRT Board XLT Board 5 Two screws 6 Temp board 7 Multi button H2 board Bracket Upper Side Upper Side Upper Side 1 3 11 XRT Board and XLT Board ...

Page 18: ...nductive cushion 1 Two screws 2 T board L Two brackets 8 Bracket 7 Two screws 5 Screw 9 Two screws 4 D C fan Fan Bracket 6 Remove the YDB board in the direction of the arrow A 0 Remove the YDT board in the direction of the arrow B 3 Two screws P18 P19 P20 P22 P21 P15 P5 P4 P24 P23 P25 P26 P27 P28 A B Upper Side 1 3 12 YDB Board and YDT Board 1 3 13 Z SUS Board ...

Page 19: ...Zealand Plug type VM0233 COX 07 636 _ a VM1296 Female end VM0089 COX 02 VM0310B VM0303B VM1313 Cord type SVT H05VV F CEE 13 53rd O C HVCTF Minimum cord set rating 10A 125V 10A 250V 10A 250V 10A 125V Safety approval UL CSA VDE VDE DENAN HO a Note Use an appropriate rating plug which complies with local regulations 1 3 14 Y SUS Board 1 Five screws 2 Y SUS board P5 P3 P1 P2 Conductive cushion Upper S...

Page 20: ......

Page 21: ...CALIBRATION menu 2 Input Full Black no video pattern 3 Execute PC CUTOFF 4 Input Full White pattern 5 Execute PC GAIN 2 1 Setup Adjustment Required equipments Remote commander RM 971 Digital voltmeter Luminance meter Minolta CA 110 or equivalent If Minolta CA 110 or equivalent is not available make adjustment by comparing the monitor with the reference LCD monitor that has already been calibrated ...

Page 22: ... OSD and select the WHITE BALANCE menu Change Sub Offset and adjust the brightness of the second step of the 16 steps of gray to be 0 5 cm m2 or less Sub Offset 0 1 2 Input Full White pattern 3 Set the values of R GAIN and R G B OFFSET in the WHITE BALANCE menu as shown in the following figure PC 1080I 480P 480I 575I NTSC PAL R GAIN 33 34 34 34 34 34 34 R OFFSET 61 51 51 52 51 57 53 G OFFSET 60 53...

Page 23: ...isplayed for more than 10 minutes especially the digital pattern or cross hatch pattern which has a clear gradation afterimage may remain in the black level part of screen 2 3 3 Adjustment Items 1 Adjusting the board group 1 Adjusting the voltage waveform of Vset up 2 Adjusting the voltage waveform of Vset down 3 Adjusting the voltage waveform of Vzb 2 Adjustment after assembling PDP module adjust...

Page 24: ...uld be changeable more than 0 10 V more than 10 A DC DC converter tool 1 The tool that can output the voltage equivalent to that of the PDF42x1 7 module by using the Vs Va or 5 V voltage Voltage stability of the power supply Within 1 for Vs Va within 3 for 5 V 2 Connection diagram of the measuring instrument and setting up the initial voltage 1 Refer to fig 1 Connection diagram of measuring instru...

Page 25: ...ge which turns off the cells of the screen or causes over electric discharge is named as Vsmax1 Record the value of Vsmax1 Note that the Vs voltage variable should exceed the maximum of 195 V 5 Switch the signal of the signal generator to the 100 Full Green signal 6 Repeat the previous adjustment step 2 and record each voltage as Vsmin2 Vsmax2 7 Switch the signal of the signal generator to 100 Ful...

Page 26: ...am of the measuring instrument c 1 The power of the signal generator should be turned on before turning on the power of the DC power supply 2 The voltage of the DC power supply should be preset as below in the same way as the standard module input voltage Vcc 5 V Va 65 V Vs 190 V 3 The power supply must be turned on in the following sequence Reverse the sequence when turning off the power Module o...

Page 27: ...y 4 Check the connection of the X B D Y B D and Z B D to the CTRL B D 5 Measure the output wave of the X Y and Z B D with the oscilloscope 200 MHz or more and check if there is any problem on the boards by comparing the output wave with the following figure Measurement point for the Y B D TP Bead B50 Measurement point for the Z B D TP Bead B35 Measurement point for the X B D COF TP 6 Check the SCA...

Page 28: ...1N A Y B D Output wave 1 FRAME A Y B D Output wave 1 FRAME B Z B D Output wave 1 FRAME B Y B D Output wave 3 SF 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 ...

Page 29: ...be seen next to the below pictures Left of the screen 4 7 Right of the screen 3 7 Displayed Not displayed All Partial Not at all How to examine Data COF IC Change 1 GND into ANODE 2 Resistance into CATHODE and then examine the diode in the forward or backward direction Measure the resistance value 10 Ω 3 An unusual pattern corresponding to the Data COF IC unit is shown 1 If an unusual pattern corr...

Page 30: ... the Scan FPC and Y B D 2 Check the connection between the Y B D and Scan FPC 3 If the Scan IC has a failure replace the Y DRV B D Screen display forms A stripe that corresponds to one IC may split or a group of s t r i p e s m a y b e b u n d l e d together and displayed on another part of the screen One eighth of screen The screen display is very good The screen display is poor Checking method o...

Page 31: ...vertical lines appear in the quar ter or another portion of the screen as the case shown on the left Several horizontal lines may appear as the case shown on the left 11 Another color may appear partially in the full white screen or a signal appears on the full black screen 1 Check the inclination of the waveform at the Y B D setup and reduce the waveform 2 Check the inclination of the Z B D ramp ...

Page 32: ...wave Measuring position Sustain the enlarged picture after measuring the B50 waveform of the Y B D and the B35 waveform of the Z B D Full White pattern 2 FET ass y Y B D HS1 damage 1 When Set_Up FET is damaged screen is not dis played Test point Enlarged after measuring GND through B50 YB D Waveform As shown in Fig 3 Fig 3 When the Set_Up FET is damaged 2 When Set_Down FET is damaged electric disc...

Page 33: ...the cable on the top or bottom of the Y B D is damaged Test point ICT measurement of GND through Y drive B D output Waveform As shown in Fig 6 Fig 6 When the Y drv B D top or bottom cable is damaged SCAN pulse does not occur When the internal output FET of IC is damaged Normal scan pulse Noise occurance at scan section 4 If the SCAN IC output is shorted by a dust or a foreign substance two horizon...

Page 34: ......

Page 35: ...the Power Board Check 5V ST CN Pin 3 Check Connector or 5V ST Output On Power Board Check IC8 Pin 6 Fail Fail Fail Check Ctrl signal CN9 Pin 1 ACD Check IC2 Pin 3 Fail Fail Fail Replace the Power Board Fail Replace the Power Board Fail Check IC8 Pin 9 Check the Power Cable connection Pass Pass Pass Pass Pass Pass Pass Check Ctrl signal CN9 Pin 5 VS07 ...

Page 36: ...3 2 PFM 42X1 42X1N NO RASTER ON DIGITAL SIGNAL DV1 Rewrite EDID Data Repeat A Process Check The EDID Data Fail Pass ...

Page 37: ...Error or check the oscillator X5 Check the D sub Connection Y Pb Pr Jack check Check the other Device IC26 IC27 SD RAM IC44 LVDS83 Pin 32 Check Scaler IC14 Output PCLOCK PVSYNC PHSYNC PVALID DATA Fail Fail Pass Check Control Signal DISPEN CN501 Pin 27 Fail Fail Fail Amber Pass Pass Pass A Process Replace the Main Board Replace Device IC21 IC30 IC4 Replace the Power Board Replace the Main Board Rep...

Page 38: ...Microvision Copy Protection Input Select IC43 CXA2171 Check Analog Switch DTV IC4 BA7657 Check IC12 AD9888 In Out H V Sync Output Data Check IC10 FLI2310 S2310 RESET In Out H V Sync Output Data Fail Fail Fail Pass Pass Pass Pass Pass 480P 480i 720P 1080i Pass Pass Replace the Main Board Replace Device Q53 54 55 50 51 52 Replace the Main Board Replace the Main Board ...

Page 39: ... Check 3D Comb Filter IC31 uPD64083 Pass Check U601 VPC3230D In Out H V Sync Output Data Input Signal Check U302 FLI2310 VPC RESET In Out H V Sync Output Data Pass Pass Pass Fail Fail Check the Input jack and cable Fail Fail Replace the Main Board Replace the Main Board Replace the Main Board Replace the Main Board ...

Page 40: ... G B H V VS Board Input Option 2 Input No Raster On analog Signal Fail Fail Pass A Process Check CN207 44Pin Wafer B12 B13 B14 Check CN2 Pb Y Pr VS Board Input Option 2 Input No Raster On Y Pb Pr Y Cb Cr Fail Fail Pass Replace the Main Board Connector Line Connector Line Connector Line ...

Page 41: ...ass Pass Pass Check Audio Input Select IC41 CXA2069 Check Connector Sound Board CN301 Pin 1 3 Fail Fail Sound B d Check Pass Replace the Audio board Replace the Main board Replace the Audio board n 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 3 3 Sound Troubleshooting ...

Page 42: ......

Page 43: ...e 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 3 Stock of Parts Parts marked with o at SP Supply Code column of the Spare Parts list may not be stocked Therefore the delivery date will be delayed Items with no part number and no description are not stocked because they ...

Page 44: ... 4 2 Exploded Views 19 18 2 2 2 2 2 2 2 2 2 2 1 2 5 7 2 9 6 10 8 7 a b 2 2 5 2 14 1 1 6 2 2 2 5 6 4 13 13 13 6 12 12 12 11 7 7 6 4 6 6 6 6 6 6 3 13 12 11 4 6 6 6 4 6 6 6 1 1 7 5 6 15 15 15 15 14 14 14 14 14 14 14 14 14 14 14 14 14 ...

Page 45: ...ZTMP007C 2 332 102C 3 339 006B 4 339 009C 5 1SZZTMP007A 6 339 008H 7 339 008K 8 339 008L 9 1SZZTMF012A 0 332 113E 332 113D 339 008F 1SZZTMB005B a 1NHB0302118 b 1WZZTKK005A INSIDE SCREW KIT 332 102R 339 008K OUTSIDE SCREW KIT 1WZZTKK004B 1SZZTMH003B WALL MOUNT SCREW KIT 20 16 17 The numbers encircled by round corresponds to numbers in illustrations Note The screws can be ordered in units of screw k...

Page 46: ...4 4 PFM 42X1 42X1N Cover UPPER SIDE 113 122 108 105 117 119 109 120 116 101 103 121 110 106 107 124 118 123 102 114 115 104 112 111 ...

Page 47: ... 973 11 s MOUNTED CIRCUIT BOARD H2 111 1 761 974 11 s MOUNTED CIRCUIT BOARD TEMP 112 1 761 975 11 s MOUNTED CIRCUIT BOARD T L 113 1 761 976 11 s MOUNTED CIRCUIT BOARD T R 114 1 787 207 11 s FAN DC 115 1 787 254 11 s DC FAN 116 2 159 847 01 s GLASS FILTER 117 2 318 610 01 s AC SOCKET COVER BLACK 2 318 610 11 s AC SOCKET COVER SILVER 118 2 318 611 01 s MAIN FLAME COVER BLACK 2 318 611 11 s MAIN FLAM...

Page 48: ...4 6 PFM 42X1 42X1N Panel 205 207 203 204 208 210 206 209 201 202 211 211 UPPER SIDE ...

Page 49: ...ED CIRCUIT BOARD YDT 204 1 761 980 11 s MOUNTED CIRCUIT BOARD YDB 205 1 761 988 11 s MOUNTED CIRCUIT BOARD XLT 206 1 761 989 11 s MOUNTED CIRCUIT BOARD XRB 207 1 761 990 11 s MOUNTED CIRCUIT BOARD XRT 208 1 761 991 11 s MOUNTED CIRCUIT BOARD XLB 209 1 761 992 11 s MOUNTED CIRCUIT BOARD CTRL 210 1 805 659 11 s DISPLAY PANEL PLASMA 211 1 576 233 12 s FUSE H B C 6 3A 250V ...

Page 50: ...cription 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 301 302 303 PSW 4X10 ...

Page 51: ...01 s MANUAL INSTRUCTION JAPANESE ENGLISH FRENCH GERMAN SPANISH ITALIAN SIMPLIFIED CHINESE 407 4 101 220 01 o CUSHION TOP BOTTOM 408 4 101 222 01 o CARTON INSIDE 409 4 101 224 01 o ACCESSORY BOX 410 4 101 223 01 o BAG PROTECTION 411 4 101 219 01 o TRAY BOTTOM 412 4 978 977 01 s LID BATTERY BLACK 413 4 101 214 01 s HOLDER CABLE 414 s CORD SET POWER See 1 4 Warning on Power Connection 412 401 414 406...

Page 52: ...19 CN8 CN808 CN9 CN901 CN303 CN302 P1 CN301 CN15 CN2 CN1 CN801 CN501 P9 P300 L Audio board A Main board BKM V10 H2 User control board G Power board YDT board Y SUS board XLB board XLT board XRT board XRB board TEMP board TEMP board CTRL board TEMP board Z SUS board YDB board T L SP board T R SP board H1 SW board 7 1 9 2 3 4 5 8 6 0 DDC CI board ...

Page 53: ...NNECTOR ASSY MAIN 7P 6 1 910 002 78 o CONNECTOR ASSY AU 12P 7 1 910 002 79 o CONNECTOR ASSY RMT 8P 8 1 910 002 80 o CONNECTOR ASSY DDC CI 11P 9 1 910 002 81 o CONNECTOR ASSY KEY 4P 0 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 rou...

Page 54: ......

Page 55: ...1 A commercial leakage tester such as the Simpson 229 or RCA WT 540A Follow the manufacturers instructions to use these instruments 2 A battery operated AC milliammeter The Data Precision 245 digital multimeter is suitable for this job 3 Measuring the voltage drop across a resistor by means of a VOM or battery operated AC voltmeter The limit indication is 0 75 V so analog meters must have an accur...

Page 56: ...Printed in Japan Sony Corporation 2004 8 16 B P Company 2004 PFM 42X1 SY PFM 42X1N SY E 9 968 071 01 ...

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