Philips 231E1HSB Скачать руководство пользователя страница 57

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231E LCD

6. OSD (FW)
6.1 control of OSD

The positions and functions of the buttons are defined as below.

6.2 Adjustment parameters

Hot-key definition

HOT KEY OPERATION

FUNCTION

Smart Image

Auto/Back

Input

Input \\\\▼

▼

MENU\OK

POWER

DESCRIPTION

FACTORY MODE

●

Press

AUTO + Menu

at the same time, and
then press [POWER]
for DC power on. OSD
menu will be shown
with

“

Factory

”

on the

sub

–

menu of picture.

Demo mode

●

To enter Demo
mode(3 seconds
ON/OFF)

Monitor Controls

Lock

●

Lock/Unlock Monitor
control when press
Menu (6 seconds).

DDC/CI On/OFF

●

DDC/CI On/OFF
when press Menu+

▼

(6 seconds).

OSD Tree

Level 1

Level 2

Level 3

Default

Input

VGA

DVI

Picture

Picture Format

(Wide screen, 4:3)

Wide

Brightness

(0~100)

100

Contrast

(0~100)

SmartResponse

(On, Off)

Off

SmartContrast

(On, Off)

Off

Gamma

(1.8, 2.0, 2.2, 2.4, 2.6)

2.2

Audio

Stand Alone

(On, Off)

Off

Mute

(On, Off)

Off

Color

Color Temp.

(5000K,6500K,7500K,8200K,9300K,11500K) 6500K

sRGB

User Define

(Red:0~100)

100

(Green:0~100)

100

(Blue:0~100)

100

Language

English

Español

Français

Deutsch

Italiano

Português

Русский

简体中文

Türkçe (only for 231E1)

OSD Setting

Horizontal

(0~100)

Содержание 231E1HSB

Страница 1: ...View 37 Exploded View 38 Recommended Parts List 39 42 Different Parts List 43 General Trouble Shooting Guide 44 57 General Product Specification 58 72 Safety Check Process 73 SAFETY NOTICE 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 CA...

Страница 2: ...ea along with the safety symbol on the schematics or exploded views Use of substitute replacement parts which do not have the same specified safety characteristics may create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from Philips Philips assumes no liability express or implied arising out of any unauthorized modi...

Страница 3: ... Horizontal scan range Vertical scan range 1 3 Video Video dot rate Input impedance Analog signal input video Sync Hard coating 3H Anti Glare 16 7M colors 4 lamps 509 184 H x 286 216 V 170 160 H V typical 1000 1 typical 300 nits typical 72 typical 5 ms 1920 x 1080 WUXGA 533 2 H x 312 0 V x 16 5 D 0 265x0 265 R G B Vertical Stripe Hard coating 3H Anti Glare 16 7M colors 4 lamps 509 184 H x 286 216 ...

Страница 4: ... HAS DETERMINED THAT THIS PRODUCT MEETS THE ENERGY STAR GUIDELINES OF ENERGY EFFICIENCY Factory preset mode FW This monitor has 15 factory preset modes as indicated in the following table Pin Symbol Pin Symbol Pin Symbol 1 Red 6 Red GND 11 GND 2 Green SOG 7 Green GND 12 Bi directional data 3 Blue 8 Blue GND 13 H sync 4 GND 9 5V 14 V sync 5 CableDetect 10 Open 15 Data clock Item H Freq KHz Mode Res...

Страница 5: ...e signal input source 6 Automatically adjust the horizontal position vertical position phase and clock settings Return to previous OSD level 7 To adjust volume of the display 8 SmartImage There are five modes to be selected Office Work Image Viewing Entertainment Economy and Off 3 Description of the On Screen Display On Screen Display OSD is a feature in all Philips LCD monitors It allows and end ...

Страница 6: ...ed Philips monitor In that way the colors are calibrated and you can rely on the correctness of the colors shown on your screen Important with the use of sRGB is that the brightness and contrast of your monitor is fixed to a predefined setting as well as the color gamut Therefore it is important to select the sRGB setting in the monitor s OSD To do so open the OSD by pressing the OK button on the ...

Страница 7: ...r entering factory mode If this message appeared means monitor already entered the factory mode 4 Entering Burn in mode and others If you access into factory mode press MENU Select Input Factory then press MENU to confirm OSD menu willconvert into another format as below Move the cursor by MENU button and press the UP or DOWN button to change the burn in mode from On to Off Leave factory mode by s...

Страница 8: ...s display situation automatically When the monitor detects the problems the screen will show the different warning signals to remind you what is happen to your monitor 1 CHECK CABLE CONNECTION This screen appears if there is no video signal input Please check that the signal cable is properly connected to the video card of PC and make sure PC is on 2 AUTO ADJUSTMENT This screen appears when you to...

Страница 9: ...C power cord wait for 6 seconds before attaching the power cable or DC power cord for normal operation l To avoid the risk of shock or permanent damage to the set do not expose the monitor to rain or excessive moisture m IMPORTANT Always activate a screen saver program during your application If a still image in high contrast remains on the screen for an extended period of time it may leave an aft...

Страница 10: ...f pixel defects and defines acceptable defect levels of each type In order to quality for repair or replacement under warranty the number of pixel defects on a TFT LCD panel must exceed these acceptable levels 1 Definition of Pixels and Sub pixels A pixel or picture element is composed of three sub pixels in the primary colors of red green and blue Many pixels together form an image When all sub p...

Страница 11: ...it subpixels 1 3 adjacent lit subpixels one white pixel 0 Distance between two bright dot defects 15mm Bright dot defects within 20 mm circle 0 Total bright dot defects of all types 3 BRIGHT DOT DEFECTS ACCEPTABLE LEVEL MODEL 231E 1 dark subpixel 5 2 adjacent dark subpixels 2 3 adjacent dark subpixels one white pixel 0 Distance between two dark dot defects 15mm Black dot defects within 20 mm circl...

Страница 12: ...231E1 LCD 12 Wiring diagram ME ...

Страница 13: ... screw from the join of hinge back cover Than take off the hinge 3 Take off the back cover 4 Disconnect the cable of function key 5 Disconnect the lamp cable form power board 6 Take off the 4 screws which fixed the chassis and panel The other 2 screws locate on the other side Release button 1 2 3 4 1 2 ...

Страница 14: ...en disconnect the LVDS cable 8 Reserve the Monitor then take the panel out off the chassis 9 Remove 4PCS screws attach VGA connect and DVI connect 10 Release 7pcs screws form P BD IF BD 11 Interface board 12 Power board 2 3 7 6 1 1 2 3 4 ...

Страница 15: ...rm the ISP Tool program 1 Save the software in your PC and create a shortcut on the desktop 2 Double click the ISP Tool exe icon at the desktop then appears window as shown in Fig 2 Fig 2 3 Press the Load File button then select the path that save hex file then chose file type as Bank Switch 128K 256K as shown Fig3 4 Double press the H00 file or H01 file then it acquires the hex file automatically...

Страница 16: ...om Video Electronics Standards Association VESA Extended Display Identification Data EDID information may be also obtained from VESA System and equipment requirements 1 An i486 or above personal computer or compatible 2 Microsoft operation system Windows 98 2000 XP 3 Installation software of EDID_Tool_3 7 for VGA and DVI EDID 4 Executive program EDID_Tool_3 7 for VGA and DVI EDID 5 ISP tool kit as...

Страница 17: ...l_3 7 icon to run the EDID_Tool_3 7 exe Step 4 Click the LOAD icon at the main menu to open the DDC files load the files into EDID Tool The EDID table will be appeared automatically as shown in below photos Fig 4 Step 5 In the Detailed Timings key in the monitor serial number Fig 5 Step 6 Press Write button in the tool main when the DDC data download into the monitor the message will be appeared a...

Страница 18: ...uct ID Code C02B 2B C0 0C 0Fh Last 5 Digits of Serial Number Not used 01 01 01 01 10h Week of Manufacture 35 23 11h Year of Manufacture 2008 12 12h EDID Version Number 1 01 13h EDID Revision Number 3 03 Analog Signal Level 0 700 0 300 1 000Vp p No Blank to black Setup Separate Syncs Supported Composite Sync Supported Sync on Green Supported 14h Video Input Definition No Serration Required 0E 15h M...

Страница 19: ...60Hz 16 10 B3 00 No Application 01 01 No Application 01 01 No Application 01 01 26 35h Standard Timing Identification No Application 01 01 36 47h Detailed Timing Descriptor Block 1 1920x1080 60Hz 148 5 MHz 02 3A 80 18 71 38 2D 40 5 8 2C 45 00 FE 1F 11 00 00 1A Min Vertical Frequency 56 Hz 38 Max Vertical Frequency 76 Hz 4C Min Horizontal Frequency 30 KHz 1E Max Horizontal Frequency 83 KHz 53 48 59...

Страница 20: ...01 10h Week of Manufacture 35 23 11h Year of Manufacture 2008 12 12h EDID Version Number 1 01 13h EDID Revision Number 3 03 14h Video Input Definition Digital Signal Level 80 15h Max Horizontal Image Size 51 cm 33 16h Max Vertical Image Size 29 cm 1D 17h Display Gamma 2 2 78 Standby Suspend Active Off Very Low Power RGB Color Display sRGB Color Space Preferred Timing Mode 18h Power Management and ...

Страница 21: ... No Application 01 01 36 47h Detailed Timing Descriptor Block 1 1920x1080 60Hz 148 5 MHz 02 3A 80 18 71 38 2D 40 5 8 2C 45 00 FE 1F 11 00 00 1A Min Vertical Frequency 56 Hz 38 Max Vertical Frequency 76 Hz 4C Min Horizontal Frequency 30 KHz 1E Max Horizontal Frequency 83 KHz 53 48 59h Detailed Timing Descriptor Block 2 Max Pixel Clock 170 MHz 11 5A 6Bh Detailed Timing Descriptor Block 3 Monitor Nam...

Страница 22: ... in the diagrams are indicative The semiconductors indicated in the circuit diagram and in the parts lists are interchangeable per position with the semiconductors in the unit irrespective of the type indication on Warnings and Notes 3 2 Schematic Notes All resistor values are in ohms and the value multiplier is often used to indicate the decimal point location e g 2K2 indicates 2 2 Kohm Resistor ...

Страница 23: ...231E LCD 23 220EW9 LCD 23 Schematic Diagram Scaler Board Power ...

Страница 24: ...231E1 LCD 24 Schematic Diagram VGA Input ...

Страница 25: ...231E LCD 25 220EW9 LCD 25 Schematic Diagram DVI Input ...

Страница 26: ...231E1 LCD 26 Schematic Diagram Scaler Board Scaler ...

Страница 27: ...231E LCD 27 220EW9 LCD 27 Schematic Diagram Power Board ...

Страница 28: ...231E1 LCD 28 Layout side View Scaler Board 1 ...

Страница 29: ... B6 EP701 B1 R114 B5 R150 C2 R201 B3 R714 C6 ZD101 B3 RH109 B2 U103 B5 C117 B5 C154 B4 C705 C7 EP702 B1 R115 B5 R151 C2 R202 B3 R715 B6 ZD102 B5 RH110 B2 U105 C4 C118 B5 C155 C5 C706 C7 EP705 B1 R116 B5 R152 B2 R203 B3 R720 B6 ZD103 A6 RH111 B2 U106 C6 C119 B5 C156 C5 C707 B6 EP707 C6 R117 B5 R153 B6 R204 B3 R721 B6 ZD104 B6 RH112 B2 U108 C5 C120 B5 C157 B4 C708 B6 EP708 C6 R118 B5 R155 C2 R205 B4...

Страница 30: ...231E1 LCD 30 Layout side View Power Board ...

Страница 31: ...231E LCD 31 220EW9 LCD 31 Exploded View ...

Страница 32: ...XCONN HUALON LISHIN Mechanical STAND 714011207001R STAND ASSEMBLY 1 15 Componenents OSD BUTTON 750020202100R OSD BUTTON SLIVER PRINTING 1 9 HOLDER KEYPAD 501060201200R HOLDER KEYPAD 1 8 Power board 792451400A00R POWER BOARD PCBA 1 12 Interface board 793101300600R INTERFACE BOARD PCBA 1 7 Switch board 792451500000R SWITCH BOARD PCBA 1 10 PCBA Led board 792450500000R LED BOARD PCBA 1 4 Front bezel 7...

Страница 33: ...1207001R STAND ASSEMBLY 1 15 Componenents OSD BUTTON 750020202100R OSD BUTTON SLIVER PRINTING 1 9 HOLDER KEYPAD 501060201200R HOLDER KEYPAD 1 8 Power board 792451400A00R POWER BOARD PCBA 1 12 Interface board 793101300A00R INTERFACE BOARD PCBA 1 7 Switch board 792451500000R SWITCH BOARD PCBA 1 10 PCBA Led board 792450500000R LED BOARD PCBA 1 4 Front bezel 714030031000R FRONT BEZELassembly 1 1 Cabin...

Страница 34: ...LISHIN Mechanical STAND 714011207001R STAND ASSEMBLY 1 15 Componenents OSD BUTTON 750020202100R OSD BUTTON SLIVER PRINTING 1 9 HOLDER KEYPAD 501060201200R HOLDER KEYPAD 1 8 Power board 792451400A00R POWER BOARD PCBA 1 12 Interface board 793101300600R INTERFACE BOARD PCBA 1 7 Switch board 792451500000R SWITCH BOARD PCBA 1 10 PCBA Led board 792450500000R LED BOARD PCBA 1 4 Front bezel 714030031000R ...

Страница 35: ...11207001R STAND ASSEMBLY 1 15 Componenents OSD BUTTON 750020202100R OSD BUTTON SLIVER PRINTING 1 9 HOLDER KEYPAD 501060201200R HOLDER KEYPAD 1 8 Power board 792451400A00R POWER BOARD PCBA 1 12 Interface board 793101300A00R INTERFACE BOARD PCBA 1 7 Switch board 792451500000R SWITCH BOARD PCBA 1 10 PCBA Led board 792450500000R LED BOARD PCBA 1 4 Front bezel 714030031000R FRONT BEZELassembly 1 1 Cabi...

Страница 36: ...LISHIN Mechanical STAND 714011207001R STAND ASSEMBLY 1 15 Componenents OSD BUTTON 750020202100R OSD BUTTON SLIVER PRINTING 1 9 HOLDER KEYPAD 501060201200R HOLDER KEYPAD 1 8 Power board 792451400A00R POWER BOARD PCBA 1 12 Interface board 793101300610R INTERFACE BOARD PCBA 1 7 Switch board 792451500000R SWITCH BOARD PCBA 1 10 PCBA Led board 792450500000R LED BOARD PCBA 1 4 Front bezel 714030031000R ...

Страница 37: ...Y 1 15 Componenents OSD BUTTON 750020202100R OSD BUTTON SLIVER PRINTING 1 9 HOLDER KEYPAD 501060201200R HOLDER KEYPAD 1 8 Power board 792451400A00R POWER BOARD PCBA 1 12 Interface board 793101300A10R INTERFACE BOARD PCBA 1 7 Switch board 792451500000R SWITCH BOARD PCBA 1 10 PCBA Led board 792450500000R LED BOARD PCBA 1 4 Front bezel 714030031000R FRONT BEZELassembly 1 1 Cabinets Back cover 7140500...

Страница 38: ...0 LGD TWN A10 LGD TWN A10 LGD TWN Item Item Item Item Part Number Part Number Part Number Part Number Part Description Part Description Part Description Part Description 2nd source 2nd source 2nd source 2nd source 1 453030300400R CABLE DVI D 18 1P MALE 6FT BLACK HP RO 1 1 1 1 1 2 453070800170R PWRCORD 10A 250V BLK 6FT CHINA RVV 3Gx 1 1 453070800210R PWR CORD 16A 250V BLK 6FT VDE H05VV F 3G 1 1 453...

Страница 39: ...231E LCD 39 General Trouble Shooting Guide ...

Страница 40: ...231E1 LCD 40 General Trouble Shooting Guide NOTE Do not set screen saver It will cause no display problem as above mentioned Action Change timer setting of screen saver or disable screen aver ...

Страница 41: ...231E LCD 41 General Trouble Shooting Guide Continued 1 ...

Страница 42: ...n point to setting and then click control panel 3 Double click the display lcon 4 Choose the setting tab then click advanced 5 Choose monitor button then click change button 6 Choose specify the location of the driver advanced and click the next button 7 Choose display a list of all the drivers in a specific location so you can select the driver you want then click next and then click have disk 8 ...

Страница 43: ...231E LCD 43 General Trouble Shooting Guide ...

Страница 44: ...231E1 LCD 44 General Trouble Shooting Guide 5 ...

Страница 45: ...231E LCD 45 General Trouble Shooting Guide 6 ...

Страница 46: ...231E1 LCD 46 General Trouble Shooting Guide 7 ...

Страница 47: ...231E LCD 47 General Trouble Shooting Guide 8 ...

Страница 48: ...231E1 LCD 48 General Trouble Shooting Guide 9 ...

Страница 49: ...231E LCD 49 General Trouble Shooting Guide 10 ...

Страница 50: ...231E1 LCD 50 General Trouble Shooting Guide 11 ...

Страница 51: ...231E LCD 51 General Trouble Shooting Guide 12 ...

Страница 52: ...231E1 LCD 52 General Trouble Shooting Guide 13 ...

Страница 53: ...of pallet and quantity 3 LCD SPECIFICATION 3 1 LCD specification 4 COSMETICS APPEARANCE 4 1 GAP definition 4 2 Panel Offset 4 3 Horizontal tilt 5 CONNECTORS 5 1 Video Connection 5 2 PIN Assignment 5 2 1 15 pin mini D Sub connector 6 OSD 6 1 Control of OSD 6 2 Adjustment Parameters 7 ELECTRICAL SPECIFICATION 7 1 Power Specification 7 1 1 AC DC converter 7 1 2 Power Management 7 2 Standard Test cond...

Страница 54: ...Uniformity 8 11 Contrast ratio 8 12 White color adjustment 8 13 Distance between TFT LCD monitor and CRT TFT monitor 9 ENVIRONMENT 9 1 Environmental conditions 10 REGULATORY STANDARDS 10 1 Safety approvals 10 2 Power management 10 3 Certificates Reports for the production start 11 RELIABILITY 11 1 Reliability of the monitor 12 CUSTOMIZATION 12 1 Identity Customization 12 2 EAN SAP Identification 1...

Страница 55: ...509 18 mm Max active vertical picture size 286 21 mm 2 MECHANICAL SPECIFICATION ME 2 1 1 Monitor Housing The front bezel and the back cabinet are based on Innolux OEM tooling and Philips design chin 2 1 2 VESA mounting holes Nil 2 1 3 Kensington Slot The monitor is equipped with a 7 mm x 3 mm slot 2 2 Tilt of the monitor Forward 5q 2 0 Backward 20 q 0 2q 2 3 Dimensions of monitor The monitor has t...

Страница 56: ...IP Source IC Lusem Lusem Response time 5ms 5ms 4 COSMETICS APPEARANCE ME 4 1 GAP definition The gap between LCD and front bezel must be 1 2mm 4 2 Panel Offset Panel Offset Panel disposition tolerance inside the front bezel must be 1 0mm 4 2 Horizontal tilt Horizontal tilt between front bezel LCD shall be 1 0mm 5 CONNECTORS FW 5 1 Video Connection The monitor is equipped with a 15 pin mini D SUB co...

Страница 57: ...tor Controls Lock Lock Unlock Monitor control when press Menu 6 seconds DDC CI On OFF DDC CI On OFF when press Menu 6 seconds OSD Tree Level 1 Level 2 Level 3 Default Input VGA DVI Picture Picture Format Wide screen 4 3 Wide Brightness 0 100 100 Contrast 0 100 50 SmartResponse On Off Off SmartContrast On Off Off Gamma 1 8 2 0 2 2 2 4 2 6 2 2 Audio Stand Alone On Off Off Mute On Off Off Color Color...

Страница 58: ... 0 100 Resolution Notification On Off Off Reset Yes No No Information 7 ELECTRICAL SPECIFICATION EE 7 1 Power Specification 7 1 1 AC DC converter Input voltage 100 240V Frequency range 50 60HZ Inrush current Shall be less than the ratings of critical components including fuse rectifiers and surge limiting device for all conditions of line in voltage consumption 58W Max ...

Страница 59: ...duty cycle white signal 3 Warm up more than 30 minutes after power on with signal supplied 4 Ambient light 400 600 lux 5 Ambient temperature 20 5 qC 7 3 Test equipment Personal computer with Windows 98 2000 XP VISTA Luminance meter Minolta CA210 Videogenerator Chroma 2227 2230 or equivalent Colour analyzer Minolta or Chroma 10 times magnifier Ruler Template Thickness gauge Watt Power Meter 7 4 Vid...

Страница 60: ...esolution 1920x1080 5 Horizontal Frequency Range 30 83 KHz 6 Vertical Frequency Range 56 76Hz 7 Monitor Name 13 characteries max Philips 231E 7 9 Timings For VGA INPUT Factory preset modes 15 Preset modes 54 User modes 10 Note 1 screen displays perfect picture at 15 factory preset modes 2 screen displays visible picture with OSD warning when input modes are the 54 preset modes Mode Resolution H Fr...

Страница 61: ...24 63 981 60 02 SUN WS 1280x1024 71 691 67 189 DOS V 1280x1024 76 72 VESA 1280x1024 79 976 75 025 SUN WS 1280x1024 81 13 76 11 VESA 1280x1024 91 1 85 1280x720 44 772 60 1280x720 52 5 70 CVT reduced blanking 1400x1050 64 60 CVT 1400x1050 80 75 CVT 1400x1050 91 1 85 VESA reduced blanking mode 1440x900 55 469 59 901 88 75 VESA 1440x900 55 935 59 887 106 5 VESA 1440x900 70 635 74 984 136 75 VESA 1600x...

Страница 62: ...79 60 317 VESA 800x600 48 077 72 188 VESA 800x600 46 875 75 VESA 800x600 53 674 85 061 MACINTOSH 832x624 49 7 75 960x720 56 4 75 960x720 44 75 60 VESA 1024x768 48 363 60 004 VESA 1024x768 56 476 70 069 VESA 1024x768 60 023 75 029 IBM XGA 2 1024x768 61 08 75 781 VESA 1024x768 68 677 84 997 CVT 2 3MA 1280 x768 60 CVT 2 3MA 1280 x768 60 289 75 1152x864 54 1 60 VESA 1152x864 63 851 70 012 VESA 1152x86...

Страница 63: ...iming with light blue are factory mode 7 10 Audio Specification N A 8 DISPLAY PERFORMANCE EE 8 1 Picture performance Optical performance test must be done in a dark room Note Test under standard test conditions unless otherwise specified Active Image Size all modes 8 2 Geometric defects No vertical or and horizontal line defect No cross line defect 8 3 Picture stability during warm up During 10 30...

Страница 64: ...wton Rings visible 8 9 Luminance Output 8 9 1 Luminance Output EE Test resolution 1920 x 1080 60Hz Test condition video input RGB maximum white 8 9 2 Brightness To follow Panel specification sRGB 80 10 nits 8 9 3 Brightness uniformity Set contrast at 100 and turn the brightness to get average above 300 nits at centre of the screen Apply the Fig 1 it should comply with the following formula B_min X...

Страница 65: ...ee factory preset white color 9300K 6500K sRGB Apply full gray 64 pattern with brightness in 100 position and the contrast control at 50 position The 1931 CIE Chromaticity color triangle diagram x y coordinate for the screen center should be Product specification Mode Chromaticity Coordinate OSD setting Temp x y Remark 0 313 0 020 0 329 0 020 For product Spec DQA test 0 313 0 015 0 329 0 015 For O...

Страница 66: ...ature 20 to 60 degree C Humidity 10 to 80 Altitude 0 to 12000M Note recommend at 5 to 35qC Humidity less than 60 10 REGULATORY STANDARDS Safety Note All certificates must be raised under the name of Philips 10 1 Safety approvals CB report CE 10 2 Power management Energy Star 10 3 Certificates Reports for the production start When the first production of the monitor starts the following documents m...

Страница 67: ...NDLING Not any change without approved ECR Every ECR to the golden samples must be approved by PHILIPS Even ECR for minor changes must be released by PHILIPS For the ECR procedure the vendor has to send an ECR formular necessary spec updates datasheets and a photo documentation On based on documents PHILIPS has to decide if samples are necessary till release to changes The vendor also has to proof...

Страница 68: ...your technicians review test procedures so that HV requation are always checked as a standard servicing procedure and the reason for this prudent routine is cleanly understood by everyone It is important ot 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 ...

Страница 69: ...231E LCD 69 END ...

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