background image

41

V50 109B5

Go to cover page

Spare Parts List

3524

212211000445

RST MFLM MF1/2WS A 732R PM1 A

3525

212211000367

RST MFLM MF1/2WS A 2K7 PM1 A

3528

213810113822

RST CRB CFR-12 A 8K2 PM5 A

3553

212211000392

RST MFLM MF1/2WS A 22K PM1 A

3554

213810113102

RST CRB CFR-12 A 1K PM5 A

3555

213810113102

RST CRB CFR-12 A 1K PM5 A

3558

232224181804

RST MGL VR25 A 180K PM1 A

3567

213810113101

RST CRB CFR-12 A 100R PM5 A

3568

213810113101

RST CRB CFR-12 A 100R PM5 A

3569

213810113339

RST CRB CFR-12 A 33R PM5 A

3576

213810113101

RST CRB CFR-12 A 100R PM5 A

3577

213810113101

RST CRB CFR-12 A 100R PM5 A

3601

213810113102

RST CRB CFR-12 A 1K PM5 A

3602

213810113472

RST CRB CFR-12 A 4K7 PM5 A

3603

232273061101

RST SM 0805 RC11 100R PM5 R

3604

213810500061

RST MOX 2W RSS S 15K PM5 B

3605

212010592186

RST MOX 3W RSS S 680R PM5 B

3606

212010592383

RST MOX 2W RSS S 2R2 PM5 B

3607

212010592399

RST MOX 3W RSS S 1R5 PM5 B

3608

212211000327

RST MFLM MF1/2WS A 68R PM1 A

3609

213811273271

RST CRB CFR-25 A 270R PM5 A

3610

212010592163

RST MOX 2W RSS S 1K PM5 B

3611

212211000329

RST MFLM MF1/2WS A 100R PM1 A

3612

213811273391

RST CRB CFR-25 A 390R PM5 A

3613

212010592389

RST MOX 2W RSS S 15R PM5 B

3614

213811273108

RST CRB CFR-25 A 1R PM5 A

3615

232273061102

RST SM 0805 RC11

1K PM5 R

3616

212010592388

RST MOX 2W RSS S 33R PM5 B

3618

212020200012

RST FUSE RFS1/2 A 100R PM5 A

3619

213810113223

RST CRB CFR-12 A 22K PM5 A

3621

212020200015

RST FUSE RFU1/3 A 1R PM5 A

3622

232273061103

RST SM 0805 RC11 10K PM5 R

3623

213810113104

RST CRB CFR-12 A 100K PM5 A

3624

213810113123

RST CRB CFR-12 A 12K PM5 A

3625

213810113103

RST CRB CFR-12 A 10K PM5 A

3626

212010593644

RST MOX 1W RSS A 33K PM5 A

3627

213810113222

RST CRB CFR-12 A 2K2 PM5 A

3628

213810113103

RST CRB CFR-12 A 10K PM5 A

3629

232273061102

RST SM 0805 RC11

1K PM5 R

3630

212211000317

RST MFLM MF1/2WS A 15R PM1 A

3631

232224213224

RST MGL VR37 A 220K PM5 A

3633

212211000406

RST MFLM MF1/2WS A 75K PM1 A

3635

232224213434

RST MGL VR37 A 430K PM5 A

3636

212211000442

RST MFLM MF1/2WS A 4M7 PM1 A

3637

213810113222

RST CRB CFR-12 A 2K2 PM5 A

3638

212211000346

RST MFLM MF1/2WS A 430R PM1 A

3639

213810113223

RST CRB CFR-12 A 22K PM5 A

3647

232273061154

RST SM 0805 RC11 150K PM5 R

3650

213810113682

RST CRB CFR-12 A 6K8 PM5 A

3651

213810113102

RST CRB CFR-12 A 1K PM5 A

3652

213810113154

RST CRB CFR-12 A 150K PM5 A

3655

213810113682

RST CRB CFR-12 A 6K8 PM5 A

3656

213810113102

RST CRB CFR-12 A 1K PM5 A

3657

213810113154

RST CRB CFR-12 A 150K PM5 A

3660

213810113682

RST CRB CFR-12 A 6K8 PM5 A

3661

213810113102

RST CRB CFR-12 A 1K PM5 A

3662

213810113154

RST CRB CFR-12 A 150K PM5 A

3665

213810113682

RST CRB CFR-12 A 6K8 PM5 A

3666

213810113102

RST CRB CFR-12 A 1K PM5 A

3667

213810113103

RST CRB CFR-12 A 10K PM5 A

3668

213810113103

RST CRB CFR-12 A 10K PM5 A

3669

213810113104

RST CRB CFR-12 A 100K PM5 A

3670

213810113473

RST CRB CFR-12 A 47K PM5 A

3671

213810113103

RST CRB CFR-12 A 10K PM5 A

3680

212020200015

RST FUSE RFU1/3 A 1R PM5 A

3681

212020200019

RST FUSE RFU1/3 A 10R PM5 A

3682

213810113471

RST CRB CFR-12 A 470R PM5 A

3683

212211000427

RST MFLM MF1/2WS A 470K PM1 A

3684

213810113912

RST CRB CFR-12 A 9K1 PM5 A

3685

232273061333

RST SM 0805 RC11 33K PM5 R

3686

213810113472

RST CRB CFR-12 A 4K7 PM5 A

3687

232273061333

RST SM 0805 RC11 33K PM5 R

3688

213810113103

RST CRB CFR-12 A 10K PM5 A

3689

232273061224

RST SM 0805 RC11 220K PM5 R

3690

213810113334

RST CRB CFR-12 A 330K PM5 A

3691

213810113152

RST CRB CFR-12 A 1K5 PM5 A

3692

212211000349

RST MFLM MF1/2WS A 560R PM1 A

3693

232273061472

RST SM 0805 RC11 4K7 PM5 R

3694

213810113472

RST CRB CFR-12 A 4K7 PM5 A

3695

212020200019

RST FUSE RFU1/3 A 10R PM5 A

3696

232273061105

RST SM 0805 RC11

1M PM5 R

3697

212211000436

RST MFLM MF1/2WS A 1M PM1 A

3698

213810113683

RST CRB CFR-12 A 68K PM5 A

3699

213836500084

RTRM CER LIN 20K V VG067TH1 B

3811

213810113153

RST CRB CFR-12 A 15K PM5 A

3812

213810113222

RST CRB CFR-12 A 2K2 PM5 A

3813

213810113472

RST CRB CFR-12 A 4K7 PM5 A

3814

213810113561

RST CRB CFR-12 A 560R PM5 A

3815

213810113101

RST CRB CFR-12 A 100R PM5 A

3816

213810113392

RST CRB CFR-12 A 3K9 PM5 A

3817

212211000392

RST MFLM MF1/2WS A 22K PM1 A

3818

213810113101

RST CRB CFR-12 A 100R PM5 A

3821

232273061472

RST SM 0805 RC11 4K7 PM5 R

3822

232273061222

RST SM 0805 RC11 2K2 PM5 R

3823

232273061472

RST SM 0805 RC11 4K7 PM5 R

3825

213810113472

RST CRB CFR-12 A 4K7 PM5 A

3827

213810113103

RST CRB CFR-12 A 10K PM5 A

3828

213810113101

RST CRB CFR-12 A 100R PM5 A

3829

213810113101

RST CRB CFR-12 A 100R PM5 A

3830

232273061272

RST SM 0805 RC11 2K7 PM5 R

3831

213810113223

RST CRB CFR-12 A 22K PM5 A

3833

232273061472

RST SM 0805 RC11 4K7 PM5 R

3834

213810113332

RST CRB CFR-12 A 3K3 PM5 A

3835

232273061472

RST SM 0805 RC11 4K7 PM5 R

3837

213810113103

RST CRB CFR-12 A 10K PM5 A

3838

213810113101

RST CRB CFR-12 A 100R PM5 A

3839

232273061472

RST SM 0805 RC11 4K7 PM5 R

3840

213810113223

RST CRB CFR-12 A 22K PM5 A

3841

213810113101

RST CRB CFR-12 A 100R PM5 A

3842

213810113101

RST CRB CFR-12 A 100R PM5 A

3843

213810113223

RST CRB CFR-12 A 22K PM5 A

3844

232273061472

RST SM 0805 RC11 4K7 PM5 R

3845

213810113479

RST CRB CFR-12 A 47R PM5 A

3847

232273061472

RST SM 0805 RC11 4K7 PM5 R

3871

213810113472

RST CRB CFR-12 A 4K7 PM5 A

5007

313818878331

COIL DEGAUS 62-9703-15 F

5101

243853598058

IND FXD BEAD EMI 100MHZ 80R A

5102

243853598058

IND FXD BEAD EMI 100MHZ 80R A

5103

313816874511

FERRITE BEAD

5108

313817870891

LINE FILTER 15 mH MIN.

5113

313818874691

TFM SMT LAYER SRW35EC-T81V118

5122

242253597416

IND FXD SP0406 A 33U PM10 B

5123

242253600036

IND FXD TSL0808 S 100U PM10 A

5124

242253600036

IND FXD TSL0808 S 100U PM10 A

5125

242253600039

IND FXD TSL0808 S 180U PM10 A

5126

242253600039

IND FXD TSL0808 S 180U PM10 A

5601

313818878231

TFM SIG DRIVER SRW16UW-T14H002

5602

313817871732

DRUM COIL 20MH

5603

313818878261

TFM SIG DRIVER SRW25EF-T24V004

5604

313818878241

COI CHOKE 6000UH6.8OHM DR10X12

5606

313818878221

COI LINCOR 1.80UH HL2455H-083N

5608

313816872631

BEAD COIL

5610

313816872621

BEAD COIL (BF30TA-2.5X3X1B)

5611

313818878251

TFM POW DAF SRW19ES-T38V005

5681

313818878571

TFM LOT LAYER 11MM WIRE

5682

242253600039

IND FXD TSL0808 S 180U PM10 A

6101

932215736682

BRIDGE GBU4K

(PAJI) B

6103

933497950673

DIO REC RGP10J

A (VISH) A

6106

933751660673

DIO REC RGP10D

A (VISH) A

6107

933497950673

DIO REC RGP10J

A (VISH) A

6109

933256030673

DIO SIG 1N4148

A (VISH) A

6113

933189210133

DIO SIG BAV21

A (PHSE) A

6118

933913910115

DIO SIG SM BAS32L

(PHSE) R

6131

933730980133

DIO REC BYV36C

A (PHSE) A

6132

933166850133

DIO REG BZX79-B8V2 A (PHSE) A

6133

932211574682

DIO REC 31DF4-FC5

(NIEC0 B

6134

933957760673

DIO REC SB140

A (VISH) A

6135

932210346673

DIO REC SBYV27-200 A (VISH) A

6136

932210346673

DIO REC SBYV27-200 A (VISH) A

6140

933256030673

DIO SIG 1N4148

A (VISH) A

6141

933751660673

DIO REC RGP10D

A (VISH) A

6143

933256030673

DIO SIG 1N4148

A (VISH) A

6144

933497950673

DIO REC RGP10J

A (VISH) A

6146

933256030673

DIO SIG 1N4148

A (VISH) A

6147

933117760133

DIO REG BZX79-C7V5 A (PHSE) A

6401

933957760673

DIO REC SB140

A (VISH) A

6411

933913910115

DIO SIG SM BAS32L

(PHSE) R

6412

933256030673

DIO SIG 1N4148

A (VISH) A

6413

933913910115

DIO SIG SM BAS32L

(PHSE) R

6414

933913910115

DIO SIG SM BAS32L

(PHSE) R

6415

933913910115

DIO SIG SM BAS32L

(PHSE) R

6421

933751660673

DIO REC RGP10D

A (VISH) A

6501

933256030673

DIO SIG 1N4148

A (VISH) A

6502

933256030673

DIO SIG 1N4148

A (VISH) A

6503

933256030673

DIO SIG 1N4148

A (VISH) A

6601

933117810133

DIO REG BZX79-C12 A (PHSE) A

6602

933493960673

DIO REC RGP10G

A (VISH) A

6605

933751660673

DIO REC RGP10D

A (VISH) A

6606

933957760673

DIO REC SB140

A (VISH) A

6608

933189210133

DIO SIG BAV21

A (PHSE) A

6609

933117710133

DIO REG BZX79-C4V7 A (PHSE) A

6621

932205787683

DIO REC EGP20G

A (VISH) R

6622

933117830133

DIO REG BZX79-C15 A (PHSE) A

6623

933189210133

DIO SIG BAV21

A (PHSE) A

6626

933751660673

DIO REC RGP10D

A (VISH) A

6671

933751660673

DIO REC RGP10D

A (VISH) A

6672

933166910133

DIO REG BZX79-B15 A (PHSE) A

6673

933166990133

DIO REG BZX79-B33 A (PHSE) A

6674

933497950673

DIO REC RGP10J

A (VISH) A

6675

933256030673

DIO SIG 1N4148

A (VISH) A

6676

932212636682

DIO REC 31DF6-FC5

(NIEC) B

6677

933497950673

DIO REC RGP10J

A (VISH) A

6681

933256030673

DIO SIG 1N4148

A (VISH) A

6682

933913910115

DIO SIG SM BAS32L

(PHSE) R

6802

933256030673

DIO SIG 1N4148

A (VISH) A

6820

933117730133

DIO REG BZX79-C5V6 A (PHSE) A

6821

933117730133

DIO REG BZX79-C5V6 A (PHSE) A

7102

935267356112

IC TEA1507P/N1

(PHSE) L

7103

933953420676

TRA SIG TBC338-40

(TOSJ) A

7111

932214014667

OPT CP TCET1103(G) (VISH) L

7112

932208697676

IC TL431ACZ-AP

S (ST00) A

7113

933953420676

TRA SIG TBC338-40

(TOSJ) A

7114

932208234676

IC L78L05ACZ

(ST00) A

7115

933826850126

THYRIS BT169B

(PHSE) A

7116

932209011673

TRA SIG BC548C

(KEC0) A

7117

933920810682

IC L7808CV

(ST00) L

7411

932201959682

IC UC3843AN

(MOTA) L

7412

932216833676

TRA SIG BC547C

(KEC0) A

7413

932217438685

TRA SIG SM BC847C

(KEC0) R

7414

932217438685

TRA SIG SM BC847C

(KEC0) R

7431

932217438685

TRA SIG SM BC847C

(KEC0) R

7501

935267455112

IC TDA4841PS/V3

(PHSE) L

7502

933450090126

TRA SIG PH2369

(PHSE) A

7503

932214472676

TRA SIG BF423

(KEC0) A

7505

932210142676

TRA SIG BC558C

(KEC0) A

7601

934003960126

FET SIG BSN254A

(PHSE) A

7611

932216831676

TRA SIG BC337-40

(KEC0) A

7616

932218832687

FET POW FQP6P25

(FSC0) L

7617

933953420676

TRA SIG TBC338-40

(TOSJ) A

7618

933953410676

TRA SIG TBC328-40

(TOSJ) A

7619

932209011673

TRA SIG BC548C

(KEC0) A

7620

932214474676

TRA SIG BC517

(KEC0) A

7621

933567120126

TRA SIG BC516

(PHSE) A

7626

933567120126

TRA SIG BC516

(PHSE) A

7627

932214474676

TRA SIG BC517

(KEC0) A

7628

932214469676

TRA SIG BF422

(KEC0) A

7629

932210142676

TRA SIG BC558C

(KEC0) A

7631

934025870126

TRA SIG MPSA44

(PHSE) A

7638

932217995687

FET POW IRF630B

(FSC0) L

7639

932216833676

TRA SIG BC547C

(KEC0) A

7640

932217996687

FET POW IRF640B

(FSC0) L

7641

932216833676

TRA SIG BC547C

(KEC0) A

7643

932216833676

TRA SIG BC547C

(KEC0) A

7646

932216833676

TRA SIG BC547C

(KEC0) A

7647

932209011673

TRA SIG BC548C

(KEC0) A

7648

932209011673

TRA SIG BC548C

(KEC0) A

7673

933450090126

TRA SIG PH2369

(PHSE) A

7681

933967380685

TRA SIG SM BC858C

(ONSE) R

7801

823827444541

CPU,IC

7803

932212662682

IC M24C16-BN6

(ST00) L

7831

932209011673

TRA SIG BC548C

(KEC0) A

Содержание V50 109B5

Страница 1: ...m 23 Video Schematic Diagram C B A 24 25 Main Schematic Diagram C B A 26 30 Waveform of all Schematic 31 32 Key Control MHR Schematic Diagram 33 36 Recommended Repair flow chart 44 51 General Product Specification 52 76 Repair Tips 37 Exploded View 38 parts list 39 Spare parts list 40 42 Different parts list 43 REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES CAUTION USE A SEPARATE ISOLATION TR...

Страница 2: ...her his safety nor the safe operation of the equipment will be jeopardized by the service method selected Hereafter throughout this manual PHILIPS Company Will be referred to as PHILIPS Critical components having special safety characteristics are identified with a by the Ref No in the parts list and enclosed within a broken line where several critical components are grouped in one area along with...

Страница 3: ...t modes This monitor has 8 factory preset modes as indicated in the following table Technical Specification CRT 45 Size and deflection 19 inch 46cm 90 Dot pitch 0 25 mm with black matrix Horizontal pitch 0 21 mm Tube type Shadow mask real flat high contrast anti glare anti static anti reflection light transmission Phosphor P22 Recommended display area 14 0 x 10 4 355 x 265 mm Maximum display area ...

Страница 4: ...splay OSD Main Controls window will pop up and you can now start making adjustments to your monitor s various features Use the the keys to make your adjustments within Rear view 1 Power in attach power cable here 2 Video In this is a cable which is already attached to your monitor Connect the other end of the cable to your PC Front View Power button switches your monitor on OK button which when pr...

Страница 5: ...ee The OSD Tree Below is an overall view of the structure of the On Screen Display You can use this as reference when you want to later on work your way around the different adjustments 9 Go to cover page V40 109F5 ...

Страница 6: ...ory mode MODEL SELECT 00010 V50 109B5 97K V0 41 20030421 00010 stands for 1 using 10 hours already 2 turn on off 10 times 3 using several hours turn on off monitor Default setting of MODEL SELECT Do not change it MODEL SELECT V50 109B5 97K RESERVE RESERVE RESERVE RESERVE RESERVE SWDDC LF ON OSD LF 3 MODEL SELECT V50 109B5 97K V0 41 20030421 Factory Mode Indicator To access factory mode 1 Turn off ...

Страница 7: ...9 Go to cover page 7 V500 109B5 Wiring Diagram ...

Страница 8: ...nect rotation connector Disconnect control board connector Remove Screw for fixed I F cable Remove signal connector Remove degaussing wire connector 1 Remove the rear cover in Fig 1 Disconnect the wire between metal shield of Video panel and CRT neck as shown in Fig 2 Disconnect the CRT ground from Video panel Remove screw grounding and grounding wire in Fig 3 Fig 1 Screw Screw Pedestal ass y Vide...

Страница 9: ...m tray as Fig 5 Pull the bottom tray from fig 6 to fig 7 on press right and left side clip Reconnect connectors some wires and panels chassis service position can be available for DC AC measurement as shown in Fig 8 5 SERVICE POSITION Fig 6 Fig 7 Fig 5 Press CLIP Screw Press clip then Pull up Main panel Fig 8 SERVICE POSITION ...

Страница 10: ... high voltage section and on the picture tube panel It is recommended that saferty goggles be worn when replacing the picture tube When making adjustments use plastic rather than metal tools This will prevent any short circuit or the danger of a circuit becoming unstable Never replace modules or other components while the unit is switched on Together with the defleciton unit the picture tube is us...

Страница 11: ...eave factory mode 5 1 Turn off monitor don t turn off PC 5 2 Press and simultaneously on the front control panel then press wait till the OSD menu with characters V40 109F5 V0 45 20030410 below OSD menu come on the screen of monitor 5 3 If OSD menu disappears on the screen of monitor press again anytime then the OSD menu comes on the screen again 5 4 Using to select OSD menu 5 5 Using to increase ...

Страница 12: ...1 93 for ref 86 112 118 206 121 56 for ref 89 115 124 145 85 40 for ref 128 255 180 for ref 0 140 100 50 for ref 79 127 255 120 50 for ref 128 220 184 for ref 220 for ref 35 50 88 255 for ref 3 3 Fig 2 2 for example 75 is value of BIAS R 7 Alignment of Vg2 cut off point white tracking Equipment 1 Video Test Generator 801GC Quantum Data 2 Color analyzer Minolta CA 100 Adjustment mode 68 67KHz 85Hz ...

Страница 13: ...ter of the CRT neck Setting Before the static convergence setting can be made the monitor must be switched on for 30 minutes The focus setting must be made correctly Signal 640 480 31 5 kHz 60 Hz mode Set the tabs of the 4 pole magnet in the neutral position This is when the tabs are opposite one another In this position the magnets do not affect the deflection of the R and B electron beams Set th...

Страница 14: ...y be also obtained from VESA DDC EDID structure For the monitor Standard Version 3 0 Structure Version 1 2 1 An i486 or above personal computer or compatible 2 Microsoft operation system Windows 95 98 3 EDID301 EXE program 3138 106 10103 shown as Fig 1 4 Software DDC Alignment kits 4822 310 11184 shown as Fig 2 The kit contents a Alignment box x1 b Printer cable x1 c D Sub cable x1 Note The EDID30...

Страница 15: ...6 OK This is for initialize alignment box Fig 6 Fig 5 Fig 7 Note 1 If the connection is improper you will see the following error message as shown in Fig 7 before entering the main menu Meanwhile the read EDID function will be disable At this time please make sure all cables are connected correctly and fixedly and the procedure has been performed properly 3 At the submenu type the letter of your c...

Страница 16: ...DID301 DDC application provides the function selection and text change select fill out from Step 1 to Step 9 Step 4 Modify DDC data Monitor Serial No Next Next Finish 1 Click till the Step 7 of 9 window appears as shown in Fig 15 2 Fill out the new Serial No for example TY 503960 TY 123456 3 Click till the last step window appears then click to exit the Step window 3 Click OK button to confirm you...

Страница 17: ...0 100 ready a progressing bar on the left down corner 2 Click Read EDID to confirm it Step 7 Confirm Serial Number in User Mode 1 Press the button to turn off the monitor Press the button again to turn on the monitor 2 Press the button to bring up the OSD Main Menu 3 Press the button to select Extra Controls press the button to confirm your selection 4 Confirm the Serial Number 123456 is updated a...

Страница 18: ... Mode and enable Software DDC only as shown in Fig 17 Fig 16 5 Write EDID click Note1 In User Mode Read DDC data only Software DDC only was disabled Before read EDID code please confirm that the as shown in Fig 22 Note 2 In Factory Mode Read Write DDC data Software DDC only was enabled Before Read Write EDID code please confirm that the as shown in Fig 23 If you do not disable Software DDC only wh...

Страница 19: ...024 Aspect Ratio 4 3 Refresh Rate 85 Standard Timing Identification 4 Horizontal active pixels 1280 Aspect Ratio 5 4 Refresh Rate 85 Standard Timing Identification 5 Horizontal active pixels 1600 Aspect Ratio 4 3 Refresh Rate 75 Standard Timing Identification 6 Horizontal active pixels 1920 Aspect Ratio 4 3 Refresh Rate 60 Detailed Timing 1 Pixel Clock MHz 202 5 H Active pixels 1600 H Blanking pix...

Страница 20: ...768 87Hz IBM 1024 x 768 60Hz VESA 1024 x 768 70Hz VESA 1024 x 768 75Hz VESA 1280 x 1024 75Hz VESA Manufacturer s timing 1152 x 870 75Hz Apple Mac II Standard Timing Identification 1 Horizontal active pixels 640 Aspect Ratio 4 3 Refresh Rate 85 Standard Timing Identification 2 Horizontal active pixels 800 Aspect Ratio 4 3 Refresh Rate 85 Standard Timing Identification 3 Horizontal active pixels 102...

Страница 21: ... Aspect Ratio 4 3 Refresh Rate 85 Standard Timing Identification 4 Horizontal active pixels 1280 Aspect Ratio 5 4 Refresh Rate 85 Standard Timing Identification 5 Horizontal active pixels 1600 Aspect Ratio 4 3 Refresh Rate 75 Standard Timing Identification 6 Horizontal active pixels 1920 Aspect Ratio 4 3 Refresh Rate 60 Detailed Timing 1 Pixel Clock MHz 202 5 H Active pixels 1600 H Blanking pixels...

Страница 22: ...e test period 2 1 3 The mains switch es must be in the ON position 2 2 Test Requirements All products should be HiPot and Ground Continuity tested as follows Test 2820VDC 1700VDC Test current voltage 2000VAC 1200VAC 25A AC Test time Test time 3 seconds 1 second 3 seconds min min Resistance required Trip set at 100 uA 5 mA 0 09 R ohm current for Max R is the Tester limitation set resistance of at 0...

Страница 23: ...wer Supply TEA1507 Degaussing Rotation EHT X RAY UC3843AN Linearity Control DAF Cs SW x 4 IRF640 Horizontal Deflection Vertical TDA8172 Muting G1 Spot Killer M24C1 6 BN6 H V H UNLOCK MUTE B HDRV G1 SDA SCL Horizontal Frequency 30 97kHz Vertical Frequency 50 160 Hz SDA SCL DDC 2B MCU WT62P2 Flying 15 pin D SUB DC Restore R G B MHR LF III TDA4823 SDA SCL CRT ...

Страница 24: ...702 D19 R 3328 I8 3329 J8 3330 J9 3332 G6 3333 G6 3334 H10 3361 D4 7701 C14 7721 B17 7722 B17 7731 E17 7732 E17 7751 G17 7752 G17 7761 K12 8713 L24 8714 I24 9301 F6 2731 1u 160 R R R R R 21 SCL GND 100 F736 12A 100n 2729 10u 25 2319 10 130 8 3733 470R TYT12 KONINKLIJKE PHILIPS ELECTRONICS N V 2000 2003 04 08 1 3XX000 1 V50 SETNAME CHN CLASS_NO SUPERS 1 NAME DATE MGr CHECK 3138 178 6517 109B50 00 V...

Страница 25: ...C B A Of Video Board 25 9 Go to cover page V50 109B5 ...

Страница 26: ...4 E7 2131 I13 3 4 5 6 7 8 9 10 11 12 13 14 A G H I F01 A11 6 owner F 15 J D 20 C 1 2 3 4 5 6 7 8 9 10 11 12 10 O O PB 58361 J F K 2113 E2 2115 E7 2121 F5 11 1 2W D 1 2W G F G H I A B C D E F 17 R 1 4W E 12 1 2W I112 83 DEVIATION LIST 7 47u 16 2146 180u 6147 BZX79 C7V5 31DF4 FC5 6133 5126 12 F09 2153 11 1113 B 3 16 1000u S 3131 27K STP6NK60Z 7101 D G 4700u 10 2142 2155 16 1000u 6A F08 470u 2154 47p...

Страница 27: ...42 G1 F043 G1 I AC 250 Vpp A 3 VR37 R R 7628 C19 R 1 2W VR25 7638 H15 N gedeeltelijk is niet toegestaan dan met schriftelijke 1 4W 4 7 T 18 F022 B11 F023 B17 7831 L9 8501 K1 8502 F1 9601 I18 9604 A14 220P 2KV 220P 2KV 3407 1R8 1 2W AC 200 Vpp G 13 18K 1 2W 8K2 1 2W 3505 47K 1 6W 15 F024 C16 270K VR25 330K VR25 3558 180K VR25 180K VR25 150K VR25 F036 F1 F037 F1 F038 F16 F039 F1 DEVIATION LIST REF L...

Страница 28: ...n de auteursrechthebbende 3681 D8 AC 700 Vpp AC 200 Vpp 2682 H14 3411 G4 3412 H4 2673 D9 3685 I12 3686 H13 F 7673 E7 10 9 B 4 5 A 6682 H14 9401 G2 9402 H3 I 6681 H11 3689 H14 13 14 7672 E8 18 17 16 F081 B5 2405 B5 I B 6415 D1 2402 A4 C B 2403 B4 350 3695 10R 7672 IRF640FP F091 8K2 3418 12 12A 5 6 7 8 9 12A CF2087 1 10 11 12 13 2 3 4 1K5 3691 5681 12A 3690 330K 6415 BAS32L 3682 470R 6675 1N4148 50 ...

Страница 29: ...C B A Of Main Board 29 9 Go to cover page V50 109B5 ...

Страница 30: ...30 V50 109B5 9 Go to cover page C B A Of Main Board ...

Страница 31: ...Waveform of Main Board 31 9 Go to cover page V50 109B5 0 10 20 1 11 21 2 12 22 3 13 23 4 14 24 8 18 28 5 15 25 9 19 29 6 16 26 7 17 27 ...

Страница 32: ...32 V50 109B5 9 Go to cover page Waveform of Panel Main Video 31 30 32 52 53 54 55 56 57 58 59 33 34 35 36 37 38 39 40 41 42 43 44 45 46 50 47 51 48 49 ...

Страница 33: ... without the written consent of the copyright 1 2 3 1 2 3 1892 D1 1893 D2 All rights reserved Reproduction in whole or in parts toestemming van de auteursrechthebbende J 2 I H A B C D E F1 C3 F2 C3 F3 C3 3 4 5 6 J I H G F3 F4 R STANDS FOR COMPONENTS RESERVED 8899 C3 R 1 F2 109B50 00 Control Schematics A4 130 F1 3 2003 06 20 Roland Ivy Su TYT12 KONINKLIJKE PHILIPS ELECTRONICS N V 2000 2003 06 20 1 ...

Страница 34: ...34 V50 109B5 Control Panel board C B A 9 Go to cover page ...

Страница 35: ... M H R BOARD SB 55781 x1 PB 58361 J I H G F E A B C D E F G H 3 5 B C D F3 D3 F4 E3 F5 A2 F6 C1 F7 C3 1191 B2 D 1193 E3 2191 E3 R STANDS FOR RESERVED NOT INSERTED NOTES 8115 1 2W R TO MAIN PCB 8101 1 2 3 1 2 9191 B1 9192 B1 9193 A1 9194 D1 6194 D2 I02 R R E 2 E A B C D A F2 I01 F6 3 F7 2195 400 10n F5 F3 F4 2 3 4 1 1191 SDT112DM 1 2 3 4 70mH 5191 10 130 KONINKLIJKE PHILIPS ELECTRONICS N V 2000 200...

Страница 36: ...36 V50 109B5 MHR board C B A 9 Go to cover page ...

Страница 37: ...andling the soldering iron use suitable pressure and be careful When removing the chip do not use undue force with the pair of tweezers The soldering iron to be used approx 30 W should 1 1 General cautions on handling and storage 1 2 Removal of SMDs 1 3 Caution on removal preferably be equipped with a thermal control soldering temperature 225 to 250 C The chip once removed must never be reused o 1...

Страница 38: ...78 66071 MB 3 ASSY CPT 109B5 3138 188 78341 CORD SUB D 15 1M8 13 3300943 UL 3138 104 60801 BACK COVER 3138 178 65181 C B ASSY 3138 178 65171 V B ASSY LG 109B5 9301 930 50323 M46QEF903X01 H LGPD 9301 952 30323 M46QEF903X01 H M LGPD 42 1 4 5007 1151 1153 1152 1154 1154 8238 274 44501 M46QCK761X123 TCO MDT 8238 274 44481 M46AJS53X76 MV 3138 178 63851 MB 1 ASSY 109B5 V50 109B5 ...

Страница 39: ...65181 C B ASSY 1155 313817863681 MHR ASSY 109B5 1191 242213207401 RELAY 1P 12V 10A FTR H2A B 5681 313818878571 TFM LOT LAYER 11MM WIRE 7102 935267356112 IC TEA1507P N1 PHSE L 7111 932214014667 OPT CP TCET1103 G VISH L 7112 932208697676 IC TL431ACZ AP S ST00 A 7114 932208234676 IC L78L05ACZ ST00 A 7115 933826850126 THYRIS BT169B PHSE A 7117 933920810682 IC L7808CV ST00 L 7191 933953420676 TRA SIG T...

Страница 40: ...2KV S 150P PM10 A 2633 202055890556 CERHDT RR 1KV S 680P PM10 A 2634 203803527501 ELCAP KM 50V S 10U PM20 A 2638 203830100315 CAP MPP MPS 250V S 100N PM5 B 2640 203830100224 CAP MPP MPS 250V S 220N PM5 B 2642 203830100332 CAP MPP MPS 250V S 510N PM5 B 2647 203830100217 CAP MPP MPS 250V S 1U5 PM5 B 2671 202203100151 ELCAP KF 100V S 100U PM20 B 2672 203803527701 ELCAP KM 100V S 4U7 PM20 A 2673 20383...

Страница 41: ...T CRB CFR 12 A 100R PM5 A 3842 213810113101 RST CRB CFR 12 A 100R PM5 A 3843 213810113223 RST CRB CFR 12 A 22K PM5 A 3844 232273061472 RST SM 0805 RC11 4K7 PM5 R 3845 213810113479 RST CRB CFR 12 A 47R PM5 A 3847 232273061472 RST SM 0805 RC11 4K7 PM5 R 3871 213810113472 RST CRB CFR 12 A 4K7 PM5 A 5007 313818878331 COIL DEGAUS 62 9703 15 F 5101 243853598058 IND FXD BEAD EMI 100MHZ 80R A 5102 2438535...

Страница 42: ...329 RST MFLM MF1 2WS A 100R PM1 A 3706 213810113479 RST CRB CFR 12 A 47R PM5 A 3707 213810113101 RST CRB CFR 12 A 100R PM5 A 3716 212211000392 RST MFLM MF1 2WS A 22K PM1 A 3718 212211000392 RST MFLM MF1 2WS A 22K PM1 A 3719 212211000392 RST MFLM MF1 2WS A 22K PM1 A 3721 232273061471 RST SM 0805 RC11 470R PM5 R 3722 232273061122 RST SM 0805 RC11 1K2 PM5 R 3723 232273061224 RST SM 0805 RC11 220K PM5...

Страница 43: ...32224181504 RST MGL VR25 A 150K PM1 A 3558 213810500425 RST MGL RMU14 A 150K PM1 A 1053 313818877651 MAINSCORD CHIN 10A 1M83 DET GY 2106 203803524009 ELCAP LP 450V S 150U PM20 B 2106 202202000844 ELCAP GM 450V S 150U PM20 B Diversity V50 109B55 74 comparing with V50 109B501 00 1152 313817866141 MB 1 ASSY LG BLK 1152 313817866151 MB 2 ASSY SDI BLK 1152 313817866161 MB 3 ASSY CPT BLK 1173 3138139786...

Страница 44: ...3108 3109 3110 6106 3113 Ok replace 7102 check 6113 3125 3105101 Ok NO check 7114 pin3 voltage dip check 7114 pin1 7 5V pin1 8V check 7102 pin 5 check 6146 3153 7115 3154 7116 2142 No check 5V loading current Turn power off check the resistance for all output voltages 190 83 12 12 6 3 5 8 V check 6131 6133 6136 short replace 5113 3 Symptom abnormal sound check 7101 drain waveform right check frequ...

Страница 45: ...replace 7701 Ok replace IF cable No replace 7301 check VG1 150V Ok No check blanking 7501 pin17 check heater 6 3V Ok check R G B output 30 2725 80 30 2733 80 30 2753 80 Ok 2 Symptom no video or dim only raster with without retrace line green LED on check Vg1 Vg1 0V check cathod 83V 190V Ok check blanking 7501 pin16 No turn down Vg2 check 7701 pin 1 2 3 output swing check 7304 pin10 VFLB 3 Sympton ...

Страница 46: ...enter factory mode check linearity data in eeprom check 7619 check 3615 3611 7611 collector check 7501 pin11 parabola exist 3 Symptom H linearity full freq range check 7620 7621 refer 7501 check list 5 Symptom H_dc shift check 7628 7629 check 7501 pin 32 enter OSD function disable morie check 7627 and 7627 6 Symptom Focus refer cpu check list check cpu pin 11 14 check cpu 7801 pin38 control range ...

Страница 47: ...ow Chart Continued D Vertical Deflection Failure check 7501 pin 12 13 basic check 12 12V Symptom one horizontal line V_size is abnormal too large small check 7401 pin1 pin7 ramp exist replace 7501 No Ok check 3554 3552 No V50 109B5 ...

Страница 48: ...heck pin 3 pwm from 0V to 5V check pin2 pwm from 0V to 5V check pin18 normal Hi blank low 20 27 P S LED check pin20 27 19 Blank check pin19 normal low change timing Hi 109B5 S CAPACITOR SWITCH TABLE Hor Freq KHz Q5 Q4 Q3 Q2 Q1 33 24 0 0 0 0 0 33 24 36 51 0 0 1 1 1 36 51 40 60 0 1 1 0 0 40 60 45 07 1 0 0 0 0 45 07 47 62 1 0 0 1 1 47 62 51 49 1 0 1 1 0 51 49 55 07 1 0 1 1 1 55 07 61 96 1 1 0 0 0 61 ...

Страница 49: ...eys with IF cable pin5 to ground factory mode 5 burn in mode Press both left right keys with IF cable pin5 floating check sda pin 25 hi scl pin 26 hi 25 26 DDC bus check sda pin 31 hi scl pin 32 hi 31 32 IIC bus check keys Enter Left bri Right con Exit keys 23 Keypad check pwm from 0V to 5V 38 Rotation check pwm from 0V to 5V 37 Brightness check 7801 WT6ZPZ 7501 TDA4841 7304 NT 68273 7301 TDA4886A...

Страница 50: ... pin4 generate the saw_tooth wave c pin5 input voltage for the square output waveform d pin6 pwm output to 7617 7618 base if active pin16 CLBL hi if no exist 3 4 5 6 B control 2 Xray Ground Active LOT pin 12 13 to 7411 pin1 1 HFLB from H defl to H_deflection 7606 base Vcc pin9 pin10 12V gnd pin7 pin25 0v Vertical blank will be activated hi 1 pin30 softstart pll2 0V 2 pin26 pll1 is unlock in search...

Страница 51: ...8 29 Hpll1 Hbuf Href Hcap pin22 determin the AGC pin23 pin24 determin frequency 22 23 24 VAGC VREF VCAP 1 compare the HFLB and control the phase of HDRV 2 softstart 32 Focus to 7631 for the V dynamic focus Hunlock pin is floating while pll1 pin26 is unlock in searching mode 17 Hunlock 19 IIC sda hi 18 IIC scl hi initial sequence of IIC IC 7501 7301 7304 V50 109B5 ...

Страница 52: ...n Sheet 590 FEATURES BENEFITS Extremely high MTBF over 75K Hours exclude CRT User friendly OSD display for mode identification and adjustment Professional look with non flammable cabinet 94V 0 Better display performance Flat square display tube Finer CRT dot pitch 0 25 mm Full screen size application Real multi freq Power saving management system VESA DDC2B Picture tilt control Low emission TCO99 ...

Страница 53: ...ctory pre set modes 3 2 Timing requirements 3 2 1 Horizontal scanning 3 2 2 Vertical scanning 3 3 Power supply 3 4 Power saving management system 3 5 CRT description 3 6 RGB amplifier 3 6 1 Video amplifier 3 6 2 Brightness and contrast 3 6 3 sRGB 3 7 Variation of image size after warm up 30 minutes 3 8 Degaussing 3 9 Phosphor protection 3 10 Low emission requirements TCO99 TCO 03 3 11 Display data...

Страница 54: ...cs 5 1 User controls at front left to right 6 0 Connector and cables 6 1 1 Power Cord 6 1 2 Signal Cable 7 0 Environmental characteristics 7 1 Susceptibility of display to external environment 7 1 1 Operation limits 7 1 2 Transportation packages 7 2 Display disturbance from external environment 7 2 1 ESD disturbances 7 3 Display disturbance to external environment 7 3 1 Ionizetic radiation 7 3 2 S...

Страница 55: ...enclosure which provides the aesthetic mechanical ergonomic and safety requirements 2 1 General condition The unit will produce a usable ima ge after switching on measurements are to be carried out with a full stabilised set after about 30 minutes warm up at room ambient temp of 25 C Repetitive power on off cycles are al lowed though should be avoided within 4 sec 3 0 Electrical characteristics 3 ...

Страница 56: ...a video cable which is fixed to the monitor flying cable length 1 8M Video input cable 15 pin D Sub connector type with pin assignment as follows Pin assignment of 15P D SUB connector Pin No Assignment P 1 Red video input P 2 Green video input P 3 Blue video input P 4 Ground P 5 Self test P 6 Red video ground P 7 Green video ground P 8 Blue video ground P 9 Not connect P10 Ground P11 Ground P12 Bi...

Страница 57: ...SA 11 85 53 674k 56 250 VESA 12 100 1 63 90k 67 500 SNI 13 832x624 74 6 49 725k 57 280 MAC 14 1024x768 60 48 363k 65 000 VESA 15 70 56 476k 75 000 VESA 16 75 60 000k 78 750 VESA 17 84 997 68 677k 94 500 VESA 18 1152x864 75 67 500k 108 000 VESA 19 85 77 100k 121 500 VESA P 20 1152x870 75 68 681k 100 000 MAC 21 1152x900 76 71 800k 108 000 SUN 22 1280x960 60 60 000k 108 000 VESA 23 85 85 938k 148 500...

Страница 58: ...rity Sync polarity TABLE 2 60 023KHz 75 029Hz 1024 X 768 pixel 78 750MHz Horizontal Vertical Frame border 0 Frame border 0 Total size 16 660 us Total size 13 328 ms Display size 13 003 us Display size 12 795 ms Rear porch 2 235 us Rear porch 0 466 ms Sync width 1 219 us Sync width 0 050 ms Sync polarity Sync polarity TABLE 3 68 677KHz 84 997Hz 1024 X 768 pixel 94 500 MHz Horizontal Vertical Frame ...

Страница 59: ...lay size 8 205 ms Display size 16 000 ms Rear porch 1 470 ms Rear porch 0 622 ms Sync width 0 889 ms Sync width 0 033 ms Sync polarity Sync polarity TABLE 7 91 146 KHz 85 024Hz 1280 X 1024 pixel 157 500 MHz Horizontal Vertical Frame border 0 Frame border 0 Total size 10 971 ms Total size 11 761 ms Display size 8 127 ms Display size 11 234 ms Rear porch 1 422 ms Rear porch 0 483 ms Sync width 1 016...

Страница 60: ...earth plug 3 4 Power saving management system SIGNAL POWER RECOVERY MODE H SYNC V SYNC VIDEO TIME ON ACTIVE ACTIVE ACTIVE NA OFF INACTIVE ACTIVE BLANKED 2W 7 SEC OFF ACTIVE INACTIVE BLANKED 2W 7 SEC OFF INACTIVE INACTIVE BLANKED 2W 7 SEC 3 5 CRT Description This display unit employs a high resolution CRT complying with the following specifications Dimensions 19 inches Flat Faceplate Square Shadow ...

Страница 61: ...hen sRGB is selected the light output Full white pattern will be 23 3 FL regardless of contrast and brightness controls Adjusting contrast or brightness will auto exit sRGB setting and go to 6500K 3 7 Variation of image size after warm up 30 minutes Due to brightness change from 3 to 30 FL Max 1 0 Due to aging 0 to 40 C 1 0 Due to mains voltage variation 1 0 3 8 Degaussing An automatic degaussing ...

Страница 62: ...Band II 2K to 400K Hz Test procedure according to Low emission test method 3 11 Display data channel DDC2B VESA STANDARD The software DDC HEX Data should be written into the EEPROM A0 page DDC1 DDC2B Software V Hardware 4 0 Display image CRT facing east The monitor is aligned in a magnetic cage having the following magnetic field components Northern Hemisphere H 0 V 0 43 0 05G Z 0 Southern Hemisph...

Страница 63: ...des only With respect to Fig 2 the target relationships are the following A B 6 mm C D 6 mm Note This centering is adjustable by the end user 4 4 Picture shift control range H shift range 10 mm min 3mm from center to each side V shift range 8 mm min 2mm from center to each side 4 5 Picture tilt With respect to Fig 3 Tilt to be measured on extremes of center line from bezel Tilt 2 mm 4 6 Geometric ...

Страница 64: ... error to be measured on a white spot or white display line to represents the maximum distance between the energy centers of any two primary colors See Fig 6 Mis Convergence SPEC Zone A C is 0 3 0 4 When 45kHz 4 9 Focus check with 79 976KHz 75 025Hz 1280 x 1024 mode Generate 9 blocks ME character pattern Fig 7 to cover entire of the picture area 90mm x 90mm display size respect to Fig 1 adjust bri...

Страница 65: ...to white balance alignment result and set brightness at 50 adjust contrast control from 5FL to max position the colour coordinate should not deviate more than following tolerance when compare to display center X X nominal 0 015 Y Y nominal 0 015 4 13 Purity Test patterns Full White Red Green Blue Conditions As stated in item 4 0 the purity must be checked under specific destinations of earth magne...

Страница 66: ...lug non shielded and non attached Length 1 8 m 50 mm Plug curved at 90 6 1 2 Signal cable Length of video 1 8 m 50 mm flying in 15pins D sub 7 0 Environmental characteristics The following sections to define the interference and susceptibility condition limits that might occur between external environment and the display device 7 1 Susceptibility of display to external environment 7 1 1 Operating ...

Страница 67: ... 6F Kg cm height increment NSTA 61 Random vibration Truck spectrum 0 73 Grms 30 min axis 3 axes Shock 1 2 sine pulse Design stage Non oper 100G 3ms 6 shocks only Damage boundary curve CRT supplier spec is used to define maximum acceptable CRT fragility B 2 Container loading Container size 40Feet 20Feet High cube 40 feet Q ty W Pallet W Pallet W Pallet Yes No Yes No Yes No Rear Front drop height 45...

Страница 68: ...P requirement 0 5 mr hrs Actually the set can reach 0 1 mr hrs 7 3 2 Safety and EMI EMS requirements Safety USA UL 1950 CANADA CSA C22 2 NO 950 M89 NORDIC IEC950 EN60950 SEMKO TSE 74SEC 207 94 EUROPE CE Poland PCBC Singapore PSB Germany TUV EMS EN61000 4 3 80 1KHz AM modulation picture jitter 4mm EMI USA FCC PART 15 Class B CANADA D O C Class B CE EN55022 CLASS B C tick Ergonomics E2000 EPA MPRII ...

Страница 69: ...andard MIL HDBK 217C MTBF 75 000 Hours Excluding CRT TOTAL HRS POWER ON X TOTAL SETS PRACTICE of MTBF NBR OF FAILURED SETS 9 0 Quality assurance requirements 9 1 Acceptance test According to MIL STD 105D level II AQL 0 65 Major 2 5 Minor Customer acceptance criteria UAW0377 00 Target Field repair rate 2 10 0 Serviceability The service ability of this monitor should fulfill the requirements which a...

Страница 70: ...z HB TYPE 109B50 00 BRAND PHILIPS 8639 000 14291 2003 06 17 2003 06 17 590 19 25 C C LIAO GENERAL PRODUCT SPECIFICATION Continued 70 V50 109B5 9 Go to cover page 351 mm 359 mm 355 mm 261 mm 265 mm Fig 1 IMAGE DIMENSION ...

Страница 71: ...CIFICATION Continued 71 V50 109B5 9 Go to cover page V50 19 109B5 97KHz HB TYPE 109B50 00 BRAND PHILIPS 8639 000 14291 2003 06 17 2003 06 17 590 20 25 C C LIAO FIG 2 IMAGE CENTERING 355 mm 265 mm A B AND C D 6 mm D A B C ...

Страница 72: ...9B5 97KHz HB TYPE 109B50 00 BRAND PHILIPS 8639 000 14291 2003 06 17 2003 06 17 590 21 25 C C LIAO GENERAL PRODUCT SPECIFICATION Continued 72 V50 109B5 9 Go to cover page FIG 3 IMAGE ROTATION 355 mm A B 2 mm A B ...

Страница 73: ...FICATION Continued 73 V50 109B5 9 Go to cover page V50 19 109B5 97KHz HB TYPE 109B50 00 BRAND PHILIPS 8639 000 14291 2003 06 17 2003 06 17 590 22 25 C C LIAO FIG 4 IMAGE GEOMETRY 355 mm 265 mm A B 2 0 mm C D 2 0 mm A B C D ...

Страница 74: ...RAND PHILIPS 8639 000 14291 2003 06 17 2003 06 17 590 23 25 C C LIAO GENERAL PRODUCT SPECIFICATION Continued 74 V50 109B5 9 Go to cover page MEASUREMENT PATTERNS 100 mm 100 mm FIG 5 CONTRAST AND BRIGHTNESS Pattern B Pattern A 355 mm 265 mm ...

Страница 75: ...ECIFICATION Continued 75 V50 109B5 9 Go to cover page V50 19 109B5 97KHz HB TYPE 109B50 00 BRAND PHILIPS 8639 000 14291 2003 06 17 2003 06 17 590 24 25 C C LIAO MEASUREMENT AREA FIG 6 MISCONVERGENCE ZONE C 265 mm 355 mm ...

Страница 76: ... 109B5 97KHz HB TYPE 109B50 00 BRAND PHILIPS 8639 000 14291 2003 06 17 2003 06 17 590 25 25 C C LIAO GENERAL PRODUCT SPECIFICATION Continued 76 V50 109B5 9 Go to cover page FIG 6 SYMBOL FORMAT FOR FOCOS CHECK ...

Страница 77: ...ason for this prudent routine is clearly understood by everyone It is important to use an accurate and reliable HV meter It is recommended that the HV recorded on each customer s invoice which will demonstrate a proper concern for the customer s safety 5 When troubleshooting and making test measurements in a receiver with a problem of excessive high voltage reduce the line voltage by means of a Va...

Отзывы: