Philips V50 109B5 Service Manual
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Philips V50 109B5 Service Manual

19" auto scan colour monitor
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19" Auto scan Colour Monitor
Service
Service
Service
Description
Important Safety Notice ------------------------------- 2
Technical Data ------------------------------------------ 3
Front control & OSD------------------------------------ 4
OSD menu tree------------------------------------------ 5
Wiring Diagram-------------------------------------------7
Mechanical Instructions ----------------------------- 8~9
Warning and Notes ------------------------------------ 10
Electrical Adjustments --------------------------- 11~ 13
DDC Instructions -----------------------------------14~18
Hex Data of DDC2B--------------------------------19 ~21
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS
AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC
EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING.
REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES
Published by BCU Monitors
Printed in Taiwan

TABLE OF CONTENTS

Description
Page
Block Diagram ------------------------------------------23
Waveform of all Schematic ----------------------31~32
Repair Tips ----------------------------------------------37
Exploded View------------------------------------------38
Spare parts list------------------------------------- 40~42
Different parts list---------------------------------------43
Repair flow chart----------------------------------- 44~51
General Product Specification-------------------52~76
SAFETY NOTICE
Copyright reserved
Subject to modification
Chassis :V50
V50 109B5
109B50/109B55
Horizontal frequencies
30 - 97 kHz
parts list------------------------------39
Aug 01 2003
M
Page
GB
3138 106 10302

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Summary of Contents for Philips V50 109B5

  • Page 1: Table Of Contents

    19" Auto scan Colour Monitor Chassis :V50 Service V50 109B5 Service Service 109B50/109B55 Horizontal frequencies 30 - 97 kHz TABLE OF CONTENTS Description Page Description Page Block Diagram ------------------------------------------23 Important Safety Notice ------------------------------- 2 Video Schematic Diagram & C.B.A.------------24~25 Technical Data ------------------------------------------ 3 Main Schematic Diagram &...

  • Page 2: Important Safety Notice

    REPLACEMENT PARTS, WHICH ARE LISTED WITH THEIR evaluation. Accordingly, a servicer who uses a service PART NUMBERS IN THE PARTS LIST SECTION OF THIS procedure or tool which is not recommended by PHILIPS SERVICE MANUAL. must first satisfy himself thoroughly that neither his safety nor the safe operation of the equipment will be jeopardized by the service method selected.

  • Page 3: Technical Data

    : - 25 C to 65 C Relative Humidity : 5 % to 95 % (W/O condensation) This monitor is ENERGY STAR compliant. As an ENERGY STAR Partner, PHILIPS has determined that Pin assignment : this product meets the ENERGY STAR guidelines for energy efficiency ENERGY STAR is a U.S.

  • Page 4: Front Control & Osd

    Description of the On Screen Display What is the On-Screen Display? This is a feature in all Philips monitors which allows an end-user to adjust screen performance of monitors directly though an on-screen instruction window. The user interface provides user-friendliness and ease-of-use when operating the monitor.

  • Page 5: Osd Menu Tree

    OSD menu tree V40 109F5 Go to cover page 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.

  • Page 6: Lock/Unlock, Burn In,Service Mode

    " simultaneously on the front control panel,then press " ",wait till the OSD menu with characters V50 109B5 97K V0.41 20030421 (below OSD menu)" come on Default setting of MODEL SELECT (Do not change it.) the screen of monitor. MODEL SELECT...

  • Page 7: Wiring Diagram

    Wiring Diagram V500 109B5 Go to cover page...
  • Page 8 V50 109B5 Mechanical Instructions Go to cover page 0. General To be able to perform measurements and repairs on the "circuit boards", these unit should placed in the service position first. 1.Remove the rear cover in Fig. 1. -Remove 2 screws as shown...

  • Page 9: Mechanical Instructions

    Mechanical Instructions V50 109B5 Go to cover page 4. Main panel with Bottom Tray -Remove 2 screws for disconnect the Bottom tray as Fig. 5. -Pull the bottom tray on press right and left side clip from fig. 6 to fig. 7.

  • Page 10: Warning And Notes

    Warning and Notes V50 109B5 Go to cover page Warnings Notes . Safety regulations require that the unit should be returned The direct voltages and waveforms are average voltages. in its original condition and that components identical to They have been measured using the Service test software the original components are used.

  • Page 11: Electrical Adjustments

    Mode 3.1 Power supply adjustment Indicator 3.1.1 Set Vg2 manually (screen) to fully counterclockwise (zero V50 109B5 97K V0.41 20030421 beam current). 3.1.2 Apply 80KHz/75Hz full black pattern. 5.3 If OSD menu disappears on the screen of monitor, press "...
  • Page 12 7.9 Setup E, adjust R/G/B cut-off (I C) for all colors at 100 +/- Indicator 7 scale V50 109B5 97K V0.41 20030421 7.10 Setup F, adjust RGB gain for all colors at 100 +/- 2 scale. 7.11 Repeat 5.3.8, 5.3.9 (RGB cut-off and gain) to get both low Fig.
  • Page 13 Electrical Adjustments (Continued) V50 109B5 Go to cover page 8. Focus adjustment With 9-blocks ME pattern display at timing 79.9KHz 1280 X 1024 each block is a square of 90mm x 90mm . Set brightness at 50% contrast at 100% at the center of the screen.

  • Page 14: Ddc Instructions

    DDC Instructions V50 109B5 Go to cover page 1. General 3. Pin assignment DDC Data Re-programming A. 15-pin D-Sub Connector In case the main EEPROM with Software DDC which store all factory settings were replaced because a defect,repaired monitor the serial numbers have to be re-programmed.
  • Page 15 DDC Instructions (Continued) V50 109B5 Go to cover page 4. Configuration and procedure 3. At the submenu, type the letter of your computer's floppy disk drive followed by :EDID301 (for example, A:\EDID301, as shown in Fig. 5). There is no Hardware DDC (DDC IC) anymore. Main EEPROM stores all factory settings and DDC data (EDID code) which is so called Software DDC.
  • Page 16 DDC Instructions (Continued) V50 109B5 Go to cover page Re-programming EEPROM (Software DDC) 4. Click icon (Read EDID function) to read DDC EDID data from monitor. The EDID codes will display on screen as shown in Fig. 13. Step 1: After initialize alignment box, connecting all cables and box as shown in Fig.
  • Page 17 Fig. 19 MODEL SELECT Factory Mode 109B5 V50 Indicator V50 109B5 97K V0.41 20030421 Click Save If OSD menu disappears on the screen of monitor, press " " again (anytime), then the OSD menu comes on the screen again. If you do not access "Factory mode", when you execute...
  • Page 18 DDC Instructions (Continued) V50 109B5 Go to cover page Step 9: Load DDC data Note 2 : In Factory Mode: Read/Write DDC data Before Read/Write EDID code, please confirm that the Click from the tool bar. Software DDC only was enabled as shown in Fig.

  • Page 19: Hex Data Of Ddc2B

    Hex Data of DDC2B V50 109B5 Go to cover page ********************************************************************** Standard Timing Identification #5 EDID log file for SDI tube Horizontal active pixels : 1600 ********************************************************************** Aspect Ratio : 4:3 Refresh Rate : 75 Vendor/Product Identification ID Manufacturer Name...
  • Page 20 Hex Data of DDC2B V50 109B5 Go to cover page Standard Timing Identification #5 ********************************************************************** Horizontal active pixels : 1600 EDID log file LG Aspect Ratio : 4:3 ********************************************************************** Refresh Rate : 75 Vendor/Product Identification Standard Timing Identification #6 ID Manufacturer Name...
  • Page 21 Hex Data of DDC2B V50 109B5 Go to cover page ********************************************************************** Standard Timing Identification #5 EDID log file CPT tube Horizontal active pixels : 1600 ********************************************************************** Aspect Ratio : 4:3 Vendor/Product Identification Refresh Rate : 75 ID Manufacturer Name : PHL ID Product Code : E018 (HEX.)

  • Page 22: Safety Test Requirements (Hipot & Ground)

    Safety test requirements V50 109B5 Go to cover page All units that are returned for service or repair must pass the 3. Equipments and Connection original manufactures safety tests. Safety testing requires both Hipot Ground Continuity testing. 3.1. Equipments For example :...

  • Page 23: Block Diagram

    Block Diagram of V50 109B5 V50 109B5 Go to cover page Flying -15 pin Post-Amp LF-III Pre-Amp D-SUB TDA4823 TDA4886 LM2435T Restore OSD NOVA 68275-00031 X-RAY Rotation UC3843AN DAF / Cs SW x 4 WT62P2 IRF640 M24C1 SDA/SCL 6-BN6 (DDC 2B)

  • Page 24: Video Schematic Diagram & C.b

    F311 D2 109B50/00 F312 G2 F701 D19 2003-06-20 F702 D19 NAME Michael Wang/Ivy Su SUPERS. F703 D19 F704 G23 MGr CHECK ******** DATE 2003-04-08 KONINKLIJKE PHILIPS ELECTRONICS N.V. 2000 F705 F19 F706 E19 F708 F22 F709 F23 F715 C19 F716 G22...
  • Page 25 V50 109B5 C.B.A. Of Video Board Go to cover page...

  • Page 26: Main Schematic Diagram & C.b

    7112 E11 7113 E13 (R) STANDS FOR COMPONENTS RESERVED. STANDS FOR CHIP COMPONENTS. TYT12- SETNAME CLASS_NO -------- Power Schematics 3138 178 6385 109B50/00 2003-06-20 3 NAME Michael Wang / J. Cheng SUPERS. CHECK DATE 2003-06-20 KONINKLIJKE PHILIPS ELECTRONICS N.V. 2000...
  • Page 27 (R) STANDS FOF COMPONENTS RESERVED. 3832 I9 3833 I4 STANDS FOR CHIP COMPONENTS. 3834 J4 TYT12- SETNAME -------- CLASS_NO Defl. Schematics 3138 178 6385 109B50/00 2003-06-20 NAME Michael Wang / J. Cheng SUPERS. CHECK DATE 2003-06-20 KONINKLIJKE PHILIPS ELECTRONICS N.V. 2000...
  • Page 28 F088 E9 F089 F12 (R) STANDS FOR COMPONENTS RESERVED. F090 F9 F091 G12 STANDS FOR CHIP COMPONENTS. TYT12- SETNAME CLASS_NO -------- 3138 178 6385 109B50/00 2003-06-20 NAME Michael Wang / J. Cheng SUPERS. CHECK DATE 2003-06-20 KONINKLIJKE PHILIPS ELECTRONICS N.V. 2000...
  • Page 29 V50 109B5 C.B.A. Of Main Board Go to cover page...
  • Page 30 C.B.A. Of Main Board V50 109B5 Go to cover page...

  • Page 31: Waveform Of All Schematic

    V50 109B5 Waveform of Main Board Go to cover page...
  • Page 32 Waveform of Main & Video Panel V50 109B5 Go to cover page...

  • Page 33: Key Control & Mhr Schematic Diagram

    8899 C3 8899 42080 POWER Left Right 1891 1892 1893 1894 1895 [R] STANDS FOR COMPONENTS RESERVED. TYT12- SETNAME CLASS_NO -------- Control Schematics 3138 178 6518 109B50/00 2003-06-20 NAME Roland/Ivy Su SUPERS. CHECK DATE 2003-06-20 KONINKLIJKE PHILIPS ELECTRONICS N.V. 2000...
  • Page 34 V50 109B5 Control Panel board C.B.A. Go to cover page...
  • Page 35 TO MAIN PCB 8115 1N4148 BAV21 7191 1193 BC338-40 6193 5192 BAV21 NOTES: (R) STANDS FOR RESERVED (NOT INSERTED) SETNAME CLASS_NO -------- MHR BOARD 3138 178 63681 109B50/00 2003-06-20 NAME SUPERS. MGr CHECK ******** DATE 2003-06-20 KONINKLIJKE PHILIPS ELECTRONICS N.V. 2000...
  • Page 36 V50 109B5 MHR board C.B.A. Go to cover page...

  • Page 37: Repair Tips

    Repair Tips V50 109B5 Go to cover page preferably be equipped with a thermal control (soldering 0. Warning temperature: 225 to 250 C). - The chip, once removed, must never be reused. All ICs and many other semi-conductors are susceptible to electrostatic discharges (ESD).

  • Page 38: Exploded View

    Exploded View V50 109B5 Go to cover page 3138 104 60801 BACK COVER 3138 188 78341 1154 CORD SUB-D 15/1M8/13 3300943 UL 3138 178 63851 MB-1 ASSY(109B5) 3138 178 65191 MB-2 ASSY(SDI-109B5) 3138 178 66071 MB-3 ASSY(CPT-109B5) 1152 1153 3138 178 65171...

  • Page 39: Recommended Parts List

    Recmmended parts list V50 109B5 Go to cover page Recommended parts list of V50 109B50/00(863900014291) 0001 313812753831 FRONT CABINET ASSY 0003 313812753811 PEDESTAL ASSY 0004 313812753821 CHIN ASSY 0042 313810460801 BACK COVER 0057 313810440571 HOUSING COVER 0212 313811577881 LABEL-CPU 0213 313811577891 LABEL-EEPROM(LPL)

  • Page 40: Spare Parts List

    Spare Parts List V50 109B5 Go to cover page 2146 203803521206 ELCAP GS 16V S 47U PM20 A 2824 202202000805 ELCAP GS 50V S 2U2 PM20 A 2147 203803521304 ELCAP GS 25V S 22U PM20 A Model : V50 109B50/00 (8639 000 14291)
  • Page 41 Spare Parts List V50 109B5 Go to cover page 3695 212020200019 RST FUSE RFU1/3 A 10R PM5 A 6413 933913910115 DIO SIG SM BAS32L (PHSE) R 3524 212211000445 RST MFLM MF1/2WS A 732R PM1 A 3696 232273061105 RST SM 0805 RC11...
  • Page 42 Spare Parts List V50 109B5 Go to cover page VB-1 ASSY(313817865171) (LG-109B5) 6771 933493960673 DIO REC RGP10G A (VISH) A 3332 232273061101 RST SM 0805 RC11 100R PM5 R 6772 933117810133 DIO REG BZX79-C12 A (PHSE) A 3333 232273061101 RST SM 0805 RC11 100R PM5 R...

  • Page 43: Different Parts List

    Different Parts List V50 109B5 Go to cover page Diversity V50 109B55/74 comparing with V50 109B501/00 Diversity V50 109B50/97 comparing with V50 109B501/00 1152 313817866141 MB-1 ASSY(LG)-BLK 1053 313818878181 MAINSCORD ASTA 10A 1M83 GY 1152 313817866151 MB-2 ASSY (SDI)-BLK 1152...

  • Page 44: Repair Flow Chart

    Repair Flow Chart V50 109B5 Go to cover page A. Power Supply Failure check 7102 1. Symptom : check 7102 pin8 check 7102 no startup sound pin 1=11V 140V<pin8<360V Pin6 output ? LED light off check check replace 7102 6113/3125/...
  • Page 45 Repair Flow Chart (Continued) V50 109B5 Go to cover page rough check for R, G, B B. Video 1. video input= 0.7V check blanking Repair Flow 2. 7301video output =2.5V 7501 pin17 3. 7701 video output > 35V swing check 1.Symptom :...
  • Page 46 Repair Flow Chart (Continued) V50 109B5 Go to cover page C. Horizontal deflection output repair flow : 1. Symptom : check HDRB check HDRB check HDRB check B+DRB without 7616 gate 7501 pin8 7618 base 7501 pin6 H-deflection. refer 7501 check list or replace 7503 2.
  • Page 47 Repair Flow Chart (Continued) V50 109B5 Go to cover page basic check D. Vertical Deflection Failure +12/-12V Symptom : check one horizontal line 7501 V_size is abnormal pin 12, 13 too large/small replace 7501 check 7401 pin1,pin7 ramp exist ?

  • Page 48: Check List

    Repair Flow Chart (Continued) V50 109B5 Go to cover page E. CPU check cpu pin 6/pin 5=5V 1. Basic Check check list pin 8/pin 9=12MhZ check pin 4 4. H-linearity pwm from 0V to 5V check pin2 2. H-Centering pwm from 0V to 5V check pin19 19.
  • Page 49 V50 109B5 Repair Flow Chart (Continued) Go to cover page check 22. Degauss active=hi no active=low check 5. Reset check 37. Brightness pwm from 0V to 5V check 38. Rotation pwm from 0V to 5V check keys, Enter 23. Keypad Left(bri.),Right(con.),Exit keys...
  • Page 50 Repair Flow Chart (Continued) V50 109B5 Go to cover page Basic check F. TDA4841 Vcc=pin9=pin10=12V Vcc > 9V Check List gnd =pin7=pin25=0v during startup 1. HFLB pin16 if no exist (from H.defl) CLBL=hi floating ----->7671 floating ----->7672 2. Xray(Ground) if active floating ----->5681 pin2...
  • Page 51 Repair Flow Chart (Continued) V50 109B5 Go to cover page Hunlock pin is floating while pll1(pin26) is 17. Hunlock unlock in searching mode 18. IIC scl = hi initial sequence of IIC IC 19. IIC sda = hi 7501,7301,7304 22,23,24 pin22 determin the AGC 50Hz<...

  • Page 52: General Product Specification

    GENERAL PRODUCT SPECIFICATION V50 109B5 Go to cover page V50 109B5 HB 19" General Specification (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).
  • Page 53 GENERAL PRODUCT SPECIFICATION (Continued) V50 109B5 Go to cover page INDEX ========= Introduction General description General condition Electrical characteristics Signal interface 3.1.1 Input requirements A. Input signal s B. Impedance 3.1.2 Signals input. 3.1.3 Factory pre -set modes Timing requirements 3.2.1 Horizontal scanning...
  • Page 54 GENERAL PRODUCT SPECIFICATION(Continued) V50 109B5 Go to cover page Horizontal / Vertical linearity -convergence Focus check 4.10 Luminance uniformity 4.11 White color adjustment 4.12 Color tracking on full white pattern 4.13 Purity 4.14 Moi Mechanical characteristics User controls (at front) left to right Connector and cables 6.1.1 Power Cord...
  • Page 55 GENERAL PRODUCT SPECIFICATION (Continued) V50 109B5 Go to cover page Introduction This document is related to the 19" AUTOSCAN color monitor and max. resolut ion: 1920 X 1440 by 60HZ refresh rate General description This AUTOSCAN analog colour monitor is specified as a display peripheral within an IBM compatible PC.
  • Page 56 GENERAL PRODUCT SPECIFICATION(Continued) V50 109B5 Go to cover page 3.1.2 Signals input The input video signals are applied to the display device through 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...
  • Page 57 GENERAL PRODUCT SPECIFICATION (Continued) V50 109B5 Go to cover page 3.1.3 Factory pre-set modes: Factory modes User modes Item Resolution Freq. V x H Pixel rate(Mhz) Remark 640x480 60(31.469k) 25.175 72.8(37.861k) 31.500 VESA 75(37.500k) 31.500 VESA 85(43.269k) 36.000 VESA 100.1(50.60k) 40.500...
  • Page 58 GENERAL PRODUCT SPECIFICATION(Continued) V50 109B5 Go to cover page 3 .2 Timing requirements The main timing table 8) are shown as below TIMING FOR V50-109B5 AUTOSCAN COLOR MONITOR REFERENCE PATTERN GENERATOR: CHROMA 2250 TABLE 1: 53.674KHz/85.061Hz, 800 X 600, pixel=56.250MHz...
  • Page 59 GENERAL PRODUCT SPECIFICATION (Continued) V50 109B5 Go to cover page TABLE 5: 79.976KHz/75.025Hz, 1280 X 1024, pixel=135.00MHz Horizontal Vertical Frame border Frame border = Total size = 12.504 us Total size 13.329 ms Display size = 9.481 us Display size = 12.804 ms...
  • Page 60 GENERAL PRODUCT SPECIFICATION(Continued) V50 109B5 Go to cover page 3.2.2 Vertical scanning Scanning frequency: 50 - 160 Hz V-shift range : 8 mm Min. Power supply The display device maintains the specified performance in the range described as below: Type...
  • Page 61 GENERAL PRODUCT SPECIFICATION (Continued) V50 109B5 Go to cover page RGB Amplifier 3.6.1 Video amplifiers Dot Rate : 202.5 MHz Rise/fall time : 5 / 6 ns Over / undershoot : 15% Max. (Transient response) Sag (background : 5% Max. (pulses of 0.70H) uniformity) 3.6.2 Brightness and contrast...
  • Page 62 GENERAL PRODUCT SPECIFICATION(Continued) V50 109B5 Go to cover page 3.10 Low emission requirements (TCO99 / TCO 03) Items Band I Band II ELF (rms) VLF (rms) MPR-II £ 25 V/M MPR-II £ 2.5V/M Alternating Electric Field TCO-99/03£10 TCO-99/03£1.0 MPR-II £ 250 nT MPR-II £...
  • Page 63 GENERAL PRODUCT SPECIFICATION (Continued) V50 109B5 Go to cover page 4.2 Image size (Factory pre-set modes only) The dimensions of guaranteed display area to be measured along the picture center of horizontal and vertical axis of the screen as listed below: (preset modes only, refer...
  • Page 64 GENERAL PRODUCT SPECIFICATION(Continued) V50 109B5 Go to cover page 4.7 Horizontal / Vertical linearity: 12 equal blocks along horizontal axis, 9 equal blocks along vertical axis. (see Fig-1) 30 -- 31.5kHz 31.6 64kHz >64kHz £ 8 % £ 7 % £...
  • Page 65 GENERAL PRODUCT SPECIFICATION (Continued) V50 109B5 Go to cover page 4.11 White color adjustment Based on the 1931 CIE chromaticity (colour triangle) diagram (x, y coordination). coordination of white display on screen center should be: for 9300 degree K X = 0.283 +/- 0.015...

  • Page 66: Environmental Characteristics

    GENERAL PRODUCT SPECIFICATION(Continued) V50 109B5 Go to cover page 5.0 Mechanical characteristics 5.1 User controls (at front) left to right Contrast tact switch control (With Decrease and Increase) Brightness tact switch control (With Decrease and Increase) OSD Ok / menu...
  • Page 67 GENERAL PRODUCT SPECIFICATION (Continued) V50 109B5 Go to cover page Transportation conditions (see table, shown as below) B-1 Transportation standards TEST Standard reference Philips severity Remarks Drop Gross weight Drop height *W/O 10% drop 1C-3E-6F (Kg) (cm) height increment NSTA...
  • Page 68 GENERAL PRODUCT SPECIFICATION(Continued) V50 109B5 Go to cover page Display disturbances from external environment 7.2.1 ESD Disturbances According to IEC65 (also refer to IEC801-2 for detail). Display disturbances to external environment The disturbances induced by the display and tolerated by the environment are defined as follows: 7.3.1 Ionizetic radiation...
  • Page 69 GENERAL PRODUCT SPECIFICATION (Continued) V50 109B5 Go to cover page 8.0 Reliability 8.1 Mean time between failures MTBF to be calculated according to Military standard MIL-HDBK-217C. MTBF >=75,000 Hours (Excluding CRT) TOTAL HRS (POWER ON) X TOTAL SETS PRACTICE of MTBF = --------------------------------------------------------- NBR.
  • Page 70 GENERAL PRODUCT SPECIFICATION(Continued) V50 109B5 Go to cover page 351 mm 355 mm 359 mm Fig-1 IMAGE DIMENSION V50-19" 109B5 97KHz(HB) TYPE : 109B50/00 8639 000 14291 2003-06-17 BRAND : PHILIPS C.C.LIAO 2003-06-17...
  • Page 71 GENERAL PRODUCT SPECIFICATION (Continued) V50 109B5 Go to cover page 355 mm |A-B| AND |C-D| < 6 mm FIG-2 IMAGE CENTERING V50-19" 109B5 97KHz(HB) TYPE : 109B50/00 8639 000 14291 2003-06-17 BRAND : PHILIPS C.C.LIAO 2003-06-17...
  • Page 72 GENERAL PRODUCT SPECIFICATION(Continued) V50 109B5 Go to cover page 355 mm |A-B| < 2 mm FIG-3 IMAGE ROTATION V50-19" 109B5 97KHz(HB) TYPE : 109B50/00 8639 000 14291 2003-06-17 BRAND : PHILIPS C.C.LIAO 2003-06-17...
  • Page 73 GENERAL PRODUCT SPECIFICATION (Continued) V50 109B5 Go to cover page 355 mm A, B < 2.0 mm C, D < 2.0 mm FIG-4 IMAGE GEOMETRY V50-19" 109B5 97KHz(HB) TYPE : 109B50/00 8639 000 14291 2003-06-17 BRAND : PHILIPS C.C.LIAO 2003-06-17...
  • Page 74 GENERAL PRODUCT SPECIFICATION(Continued) V50 109B5 Go to cover page 100 mm Pattern B Pattern A 355 mm FIG-5 CONTRAST AND BRIGHTNESS MEASUREMENT PATTERNS V50-19" 109B5 97KHz(HB) TYPE : 109B50/00 8639 000 14291 2003-06-17 BRAND : PHILIPS C.C.LIAO 2003-06-17...
  • Page 75 GENERAL PRODUCT SPECIFICATION (Continued) V50 109B5 Go to cover page ZONE C 355 mm FIG-6 MISCONVERGENCE MEASUREMENT AREA V50-19" 109B5 97KHz(HB) TYPE : 109B50/00 8639 000 14291 2003-06-17 BRAND : PHILIPS C.C.LIAO 2003-06-17...
  • Page 76 GENERAL PRODUCT SPECIFICATION(Continued) V50 109B5 Go to cover page FIG 6 SYMBOL FORMAT FOR FOCOS CHECK V50-19" 109B5 97KHz(HB) TYPE : 109B50/00 8639 000 14291 2003-06-17 BRAND : PHILIPS C.C.LIAO 2003-06-17...
  • Page 77 4. When the HV circuitry is operating properly there is no possibility of an x- tube must be the same type as the original, including suffix letter, or a Philips radiation problem. High voltage should always be kept at the manufacturer's approved type.

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