Philips 190CW8FB/00 Page 1 Service Manual Download | Manualshive

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Description

Page

Important Safety Notice---- ------------------------------ 2
Technical Data----------------------------------------------3
Instalation/On Screen Display------------------------4~6

------------------------------------7

--------------------------------8

Troubleshooting--------------------------------------------9
Warning Message ----------------------------------------10
Lock/unlock,Aging,Factory mode ---------------------11
Mechanical Instructions----------------------------12~13
Color adjustment -----------------------------------------14

---------------------------------------------15

DDC Instructions&

---16~23

DDC DATA --------------------------------------------24~25
ISP Instruction----------------------------------------26~28

-------------29~30

Safety Test Requirments--------------------------------31
Wiring Diagram-------------------------------------------32
Block Diagram----------------------------------------33~34

Failure Mode Of Panel

Smart Manage

FAQs (Frequently Asked Questions)

Serial Number Definition

Philips Pixel Defect Policy

Horizontal frequencies

30 - 83 kHz

Service

Service

Service

TABLE OF CONTENTS

Published by Philips CE

Copyright reserved

Subject to modification

Aug,26, 2007

Description

Page

Scaler Board Diagram -----------------------------35~42
Power Board Diagram -----------------------------43~46
KEY Board Diagram-------------------------------------47

Scaler Board C.B.A.--------------------------------50~51
Power Board C.B.A.--------------------------------52~53
KEY Board C.B.A. ---------------------------------------54

C.B.A.

C.B.A.

General product specification--------------------57~76
Exploded View -------------------------------------------77
Repair tips--------------------------------------------78~79
Repair Flow chart-----------------------------------80~82
Spare&Recommended parts list-----------------83~86
Different parts list-----------------------------------87~93

----------------------------------------------94

USB-PLUG-IN Board Diagram------------------------48
USB-PLUG-OUT Board Diagram---------------------49

USB-PLUG-IN Board

--------------------------55

USB-PLUG-OUT Board

-----------------------56

Revision List

REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES

CAUTION: USE A SEPARATE ISOLATION TRANSFORMER FOR THIS UNIT WHEN SERVICING.

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.

SAFETY NOTICE

Chassis: HUDSON 8

GB

3122 785 17400

LCD Colour Monitor

190CW8FB/00
190CW8FB/69
190CW8FB/78
190CW8FB/75
190CW8FB/96
190CW8FB/97
190CW8FW/00
190SW8FB/27
190SW8FB/69
190SW8FB/75

190SW8FB/97
190SW8FS/00
190SW8FS/69
190SW8FS/75
190SW8FS/78
190SW8FS/96
190SW8FS/97
190VW8FB/00
190VW8FB/96

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Summary of Contents for 190CW8FB/00

Page 1: ...ard C B A 52 53 KEY Board C B A 54 C B A C B A General product specification 57 76 Exploded View 77 Repair tips 78 79 Repair Flow chart 80 82 Spare Recommended parts list 83 86 Different parts list 87 93 94 USB PLUG IN Board Diagram 48 USB PLUG OUT Board Diagram 49 USB PLUG IN Board 55 USB PLUG OUT Board 56 Revision List REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINES CAUTION USE A SEPARATE IS...

Page 2: ...nsumer Electronics Company will be referred to as Philips WARNING 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 the safety symbol on the schematics or exploded views Use of substitute replacement parts which do not have the same sp...

Page 3: ...r pressure 600 1100 mBAR Storage Temperature 20 to 60 degree C Humidity 85 max 40 Altitude 0 12192m Air pressure 300 1100 mBAR Note recommend at 5 to 35 C Humidity less than 60 Type NR LPL LM190WX1 TLA1 TN Number of Pixels 1440 H x900 V Physical Size 427 2 H x 277 4 V x 15 3 D mm Typ Pixel Pitch 0 095 RGB H mm x 0 285 V mm Color pixel arrangement RGB vertical stripes Support Color 16 7M colors Dis...

Page 4: ...eturn to previous OSD level 6 INPUT To change the signal input source 7 There are five modes to be selected Office Work Image Viewing Entertainment Economy and Off 1 USB downstream port 2 AC power input 3 DVI D input Available for selected countries 4 VGA input 5 USB upstream port 6 Kensington anti thief lock USB Cable EDFU pack 2 a b c d Connect to PC Turn off your computer and unplug its power c...

Page 5: ...nstall cable cover as illustrated below Detach the Base Detach Remove the cable cover as illustrated below 1 2 Place the monitor face on a safe surface push down on the release button and pull the base away from the monitor body ...

Page 6: ...on window A user friendly on screen display interface is shown as below Basic and simple instruction on the control keys In the OSD shown above users can press buttons at the front bezel of the monitor to move the cursor to confirm the choice or change The OSD Tree Below is an overall view of the structure of the On Screen Display You can use this as a reference when you want to work your way arou...

Page 7: ...material inside polarizer It shows liner or dot shape Concentric circle formed Bottom back light of LCD is brighter than normal Back light un uniformity Backlight has foreign material Black or white color liner or circular type Quick reference for failure mode of LCD panel this page presents problems that could be made by LCD panel It is not necessary to repair circuit board Simply follow the mech...

Page 8: ...TABLE LEVEL MODEL 190SW8 190CW8 1 lit subpixel 3 or fewer 3 or fewer 2 adjacent lit subpixels 1 or fewer 1 or fewer 3 adjacent lit subpixels one white pixel 0 0 Distance between two bright dot defects 15 mm or more 15 mm or more Total bright dot defects of all types 3 or fewer 3 or fewer BLACK DOT DEFECTS ACCEPTABLE LEVEL MODEL 190SW8 190CW8 1 dark subpixel 5 or fewer 5 or fewer 2 adjacent dark su...

Page 9: ...Adjust the image position using the Phase Clock of More Settings in OSD Main Controls Image vibrates on the screen Check that the signal cable is properly connected to the graphics board or PC Vertical flicker appears Press the Auto button Eliminate the vertical bars using the Phase Clock of More Settings in OSD Main Controls Horizontal flicker appears Press the Auto button Eliminate the vertical ...

Page 10: ...ONTROLS UNLOCKED appear This message will appear 3 seconds to indicate the OSD MAIN CONTROLS status when to lock or un lock it by pressing MENU OK button for more than 10 seconds while there is video input from PC This function provides the alternative that user can lock all the OSD main control in case user don t want the FOS performance setting to be changed for instance during commercial exhibi...

Page 11: ...U buttons at the same time and hold them Press power button untill comes out AGING screen then release all buttons Bring up isconnect Interface Cable between Monitor and PC Turn off LCD monitor Then AGING After 15 seconds bring up repeatly Connect Signal cable again go back to normal display Enter Factory Menu Step1 Press button Step2 Choose Picture Step3 Press button and choose factory Step4 Pres...

Page 12: ...as Fig 4 3 Remove the 3 screws to remove the Column as Fig 5 4 Remove the hinge cover as Fig 5 5 Remove the 4 screws to remove the hinge ass y as Fig 6 6 Remove the 1 screw as Fig 7 Step 2 Remove the Front bezel 1 Use plastic putty knife to release 6 snaps on the top side as Fig 8 2 Use plastic putty knife to release 4 snaps on the right side as Fig 9 3 Use plastic putty knife to release 4 snaps o...

Page 13: ...Remove the 5 screws as Fig 13 2 Disconnect the 1 cable of USB board as Fig 14 Step 4 Remove the shield scaler board power board and USB board Fig 16 1 Remove the 5 screws to remove the shield as Fig 15 2 Remove the 6 screws and disconnect 8 calbe to remove the scaler board power board and USB board as Fig 16 Fig 15 Step 5 Remove the main frame Remove the 4 screws as Fig 17 Fig 17 Fig 18 Insulation...

Page 14: ...es out Windows screen then release all buttons Factory Factory Mode indicator 5 Display Press MENU button to select Change the value by INPUT or key until the X Y co ordinates as below 6 Display Adjustment 6 1 Auto color adjustment Apply a 1440 900 60Hz signal with 32 level grey pattern set brightness control at 100 and contrast control at 50 Access to factory mode and then press Auto Level to adj...

Page 15: ...ecause SmartControl operates on individual PC end users can also use SmartControl to adjust monitor s performance settings 1 Requirement 1 Graphic cards with nVIDIA TNT2 GeForce Quadro or newer and ATI Radeon or newer graphic chipsets that support the DDC CI interface 2 Microsoft Windows 2000 and XP operation systems 3 Philips monitors supporting DDC CI interface 2 Installation How to download Sma...

Page 16: ...s Association VESA Extended Display Identification Data EDID information may be also obtained from VESA 1 An i486 or above personal computer or compatible 2 Microsoft operation system Windows 95 98 Y o Install the EDID_PORT_Tool under Win2000 XP As Fig 1 A Copy the UserPort sys to C WINNT system32 drivers win2000 C WINDOWS system32 drivers winXP B Running io exe everytime Before you start to progr...

Page 17: ...If the connection is improper you will see the following error message as shown in Fig 8 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 Fig 9 Configuration and procedure There is no Hardware DDC DDC IC anymore Main EEPROM stores all factory sett...

Page 18: ... the DDC2Bi as the communication channel As shown in Fig 12 Fig 12 Fig 13 Fig 14 Step 2 Read DDC data from monitor 1 Click icon as shown in Fig 11 from the tool bar to bring up the Channels Configuration Setup windows as shown in Fig 11 Click this button Fig 11 Re programming Analog DDC IC Step 1 After initialize alignment box connecting all cables and box as shown in Fig 10 unplug the 15th pin of...

Page 19: ...ng up Fig 20 Fig 20 2 Click Next bring up Fig 16 Fig 16 Fig 17 3 Click Next bring up Fig 17 Fig 15 In this step please confirm the Descriptor Data Type is Monitor Range Limits and all the items are same as below NOTE You must modify the Serial NO In step 7 otherwise the Serial NO In OSD Couldn t be modified correctly ...

Page 20: ...e open in WordPad By using WordPad the texts of DDC data table 128 bytes hex code can be modified If DDC TEXTS HEX Table ar completely correct it can be saved as ddc flie to re load it into DDC IC for DDC Data application Fig 26 Fig 25 8 Click Next bring up Fig 22 then click finish Fig 21 7 Click Next bring up Fig 21 2 Click Write EDID icon from the tool bar to write DDC data Then wait for 20 30 s...

Page 21: ...nnel As shown in Fig 29 Fig 29 Fig 30 Re programming Digital DDC IC Step 1 After initialize alignment box connecting all cables and box as shown in Fig 27 Unplug the 15th pin of The DVI cable connecting with monitor Fig 28 Step 2 Read DDC data from monitor 1 Click icon as shown in Fig 11 from the tool bar to bring up the Channels Configuration Setup windows as shown in Fig 28 Fig 27 Click this but...

Page 22: ...33 7 Click Next bring up Fig 38 4 Click Next bring up Fig 35 5 Click Next bring up Fig 36 6 Click Next bring up Fig 37 2 Click Next bring up Fig 33 Fig 38 3 Click Next bring up Fig 34 Fig 35 Fig 34 NOTE You must modify the Serial NO In step 7 otherwise the Serial NO In OSD Couldn t be modified correctly Fig 37 ...

Page 23: ... other IC chip To save DDC data follow the steps below 1 Click Save icon or click file save as from the tool bar and give a file name as shown in Fig 41 The file type is EDID46 file ddc which can be open in WordPad By using WordPad the texts of DDC data table 128 bytes hex code can be modified If DDC TEXTS HEX Table ar completely correct it can be saved as ddc flie to re load it into DDC IC for DD...

Page 24: ...10 Refresh Rate 60 Standard Timing Identification 3 Horizontal active pixels 1440 Aspect Ratio 16 10 Refresh Rate 75 Detailed Timing 1 Pixel Clock MHz 106 5 H Active pixels 1440 H Blanking pixels 464 V Active lines 900 V Blanking lines 34 H Sync Offset F Porch pixels 80 H Sync Pulse Width pixels 152 V Sync Offset F Porch lines 3 V Sync Pulse Width lines 6 H Image Size mm 408 V Image Size mm 255 H ...

Page 25: ...ontal active pixels 1440 Aspect Ratio 16 10 Refresh Rate 75 Detailed Timing 1 Pixel Clock MHz 106 5 H Active pixels 1440 H Blanking pixels 464 V Active lines 900 V Blanking lines 34 H Sync Offset F Porch pixels 80 H Sync Pulse Width pixels 152 V Sync Offset F Porch lines 3 V Sync Pulse Width lines 6 H Image Size mm 408 V Image Size mm 255 H Border pixels 0 V Border lines 0 Flags Non interlaced Nor...

Page 26: ...2007 01 26 Step 2 Connect to ISP Board P N 3138 106 10396 Step 3 Update TV I Open the ISP_TOOL V4 2 0 TPV EXE 2 Save the BIN files hexcode to your computer ISP_TOOL V4 2 0 TPV Connect to PC Printing port Connect to monitor D SUB Jumper at the VGA position Jumper at the VGA 5V position Jumper at the NORMAL position ...

Page 27: ...27 ISP Instruction HUDSON 8 3 Click connect 4 Click Device to choose the device type Pm25LV010 A 5 Click Load to choose the corresponding ISP software according the model 2 Click Dis Con ...

Page 28: ...28 HUDSON 8 ISP Instruction 6 Click Read then click Read Then click Auto and run it until OK to choose the corresponding ISP software according the model ...

Page 29: ... the panel surface is not subject to any excessive shocks or scratches Q How should I clean the LCD surface A For normal cleaning use a clean soft cloth For extensive cleaning please use isopropyl alcohol Do not use other solvents such as ethyl alcohol ethanol acetone hexane etc Q Can I change the color setting of my monitor A Yes you can change your color setting through OSD control as the follow...

Page 30: ... device that displays an input image by operating a liquid crystal panel The TFT has a fundamentally different structure than a CRT Each cell has an active matrix structure and independent active elements A TFT LCD has two glass panels and the space between them is filled with liquid crystal When each cell is connected with electrodes and impressed with voltage the molecular structure of the liqui...

Page 31: ... required Trip set at 100 uA 5 mA 0 09 Rohm current for Max R is the Tester limitation set resistance of at 0 1 uA for the mains cord Min Limitation Ramp set at 2 time seconds Tester Condition HiPot Test for HiPot Test for Ground Continuity products where products where Test requirement the mains input the mains input is range is Full 110V AC USA range or 220V type AC 2 2 1 The minimum test durati...

Page 32: ...32 HUDSON 8 Wiring Diagram ...

Page 33: ...lash ROM 128KB 3 3V VDVI VMPLL VPLL VDDP AVDD 1 8V VDDC LCD PANEL Dual Channel LVDS Signal INVETER CIRCUIT Q302 AO3401 Panel_Vcc 5V R G B H V SYNC VGA SCL VGA SDA BL EN for backlight on BL BRIGHT for backlight adjustment DATA EEPROM 24C16 I2C DVI D Connector Digital Signal Digital Signal DDC EEPROM 24C02 DVI SCL DVI SDA Key Control Board BL PWM for Max Current LCD ON for Panel ON ...

Page 34: ...lash ROM 128KB 3 3V VDVI VMPLL VPLL VDDP AVDD 1 8V VDDC LCD PANEL Dual Channel LVDS Signal INVETER CIRCUIT Q302 AO3401 Panel_Vcc 5V R G B H V SYNC VGA SCL VGA SDA BL EN for backlight on BL BRIGHT for backlight adjustment DATA EEPROM 24C16 I2C DVI D Connector Digital Signal Digital Signal DDC EEPROM 24C02 DVI SCL DVI SDA Key Control Board BL PWM for Max Current LCD ON for Panel ON ...

Page 35: ...W 5 R112 75R 1 16W 5 R137 10K 1 16W 5 C114 0 22UF 10V R114 100R 1 16W 5 R126 10R 1 16W 5 C110 0 047uF R139 6K8 1 16W 5 D116 BAV99 3 1 2 CN101 DB15 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 17 16 R124 NC 4K7 1 16W 5 D105 BAV70 U102 M24C02 WMN6TP 1 2 3 4 5 6 7 8 A0 A1 A2 VSS SDA SCL WP VCC R130 10R 1 16W 5 ZD101 RLZ5 6B 1 2 R128 10R 1 16W 5 R120 4K7 1 16W 5 D111 BAV99 3 1 2 R107 75R 1 16W 5 R103 100R 1 16...

Page 36: ...14 PWM0 GPIO_P11 I2C_MDA GPIO_P10 I2C_MCL RST GPIO_P47 GPIO_P46 AVDD_33 AVDD_33 VDDP VDDP VDDC VDDC VDDC GND GND GND GND GND BYPASS GPIO_P00 SAR0 GPIO_P23 NC NC C215 0 1uF 16V R229 3 9K OHM 1 16W R239 4K7 1 16W 5 C217 0 1uF 16V C218 0 22UF 10V R205 10K 1 16W 5 R224 100R 1 16W 5 R217 4K7 1 16W 5 C231 0 1uF 16V U201 NC M24C04 WMN6TP 1 2 3 4 5 6 7 8 NC E1 E2 VSS SDA SCL WC VCC C203 0 1uF 16V C210 0 1...

Page 37: ... LVBCKM PB3 RXO0 LVB0P PA8 LVA0P PA3 LVACKM PA4 LVA2P PA0 LVA3P PA1 LVA3M RXE1 LVA1M PA2 LVACKP PA7 LVA1M PA5 LVA2M PA9 LVA0M PA6 LVA1P PANEL_PWR 3 PA 0 9 3 PB 0 9 3 CMVCC PANEL_VCC PANEL_VCC C301 0 1uF 16V Q301 2N3906S RTK PS R305 NC 0R05 1 16W R304 47K 1 16W 5 R302 NC 0R05 1 16W R301 10K 1 16W 5 R308 330 OHM 1 4W R303 4K7 1 16W 5 Q302 AO3401 C302 0 1uF 16V CN301 CONN 1 2 3 4 5 6 7 8 9 10 11 12 1...

Page 38: ... 1uF 16V R403 10K 1 16W 5 C408 100uF16V C405 0 1uF 16V U702 AP1117D18LA 1 2 3 ADJ GND VOUT VIN R406 1K 1 16W 5 C409 0 1uF 16V C402 100uF16V Q403 2N3904S RTK PS U701 AP1117E33LA 1 2 3 VSS VOUT VIN FB401 120OHM C410 0 1uF 16V CN401 CONN 1 2 3 4 5 6 7 8 9 C406 0 1uF 25V R404 4K7 1 16W 5 R405 1K 1 16W 5 C411 0 1uF 16V D401 SMAL240 DGND 2 3 4 CN401 C1 C401 C7 C402 B7 C403 B6 C405 C2 C406 C2 C407 C6 C40...

Page 39: ...W 5 R112 75R 1 16W 5 R137 10K 1 16W 5 C114 0 22UF 10V R114 100R 1 16W 5 R126 10R 1 16W 5 C110 0 047uF R139 6K8 1 16W 5 D116 BAV99 3 1 2 CN101 DB15 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 17 16 R124 NC 4K7 1 16W 5 D105 BAV70 U102 M24C02 WMN6TP 1 2 3 4 5 6 7 8 A0 A1 A2 VSS SDA SCL WP VCC R130 10R 1 16W 5 ZD101 RLZ5 6B 1 2 R128 10R 1 16W 5 R120 4K7 1 16W 5 D111 BAV99 3 1 2 R107 75R 1 16W 5 R103 100R 1 16...

Page 40: ...9 3 9K OHM 1 16W C215 0 1uF 16V C218 0 22UF 10V C217 0 1uF 16V R205 10K 1 16W 5 R217 4K7 1 16W 5 R224 100R 1 16W 5 C231 0 1uF 16V U201 NC M24C04 WMN6TP 1 2 3 4 5 6 7 8 NC E1 E2 VSS SDA SCL WC VCC C203 0 1uF 16V R231 10K 1 16W 5 C210 0 1uF 16V R211 10K 1 16W 5 C214 0 1uF 16V FB201 300OHM R223 10K 1 16W 5 R216 100R 1 16W 5 Q201 2N3904S RTK PS Q202 2N3906S RTK PS X201 14 318MHz 1 2 R236 330R 1 16W 5 ...

Page 41: ... LVBCKM PB3 RXO0 LVB0P PA8 LVA0P PA3 LVACKM PA4 LVA2P PA0 LVA3P PA1 LVA3M RXE1 LVA1M PA2 LVACKP PA7 LVA1M PA5 LVA2M PA9 LVA0M PA6 LVA1P PANEL_PWR 3 PA 0 9 3 PB 0 9 3 CMVCC PANEL_VCC PANEL_VCC C301 0 1uF 16V Q301 2N3906S RTK PS R305 NC 0R05 1 16W R304 47K 1 16W 5 R302 NC 0R05 1 16W R301 10K 1 16W 5 R308 330 OHM 1 4W R303 4K7 1 16W 5 Q302 AO3401 C302 0 1uF 16V CN301 CONN 1 2 3 4 5 6 7 8 9 10 11 12 1...

Page 42: ... 1uF 16V R403 10K 1 16W 5 C408 100uF16V C405 0 1uF 16V U702 AP1117D18LA 1 2 3 ADJ GND VOUT VIN R406 1K 1 16W 5 C409 0 1uF 16V C402 100uF16V Q403 2N3904S RTK PS U701 AP1117E33LA 1 2 3 VSS VOUT VIN FB401 120OHM C410 0 1uF 16V CN401 CONN 1 2 3 4 5 6 7 8 9 C406 0 1uF 25V R404 4K7 1 16W 5 R405 1K 1 16W 5 C411 0 1uF 16V D401 SMAL240 DGND 2 3 4 CN401 C1 C401 C7 C402 B7 C403 B5 C405 C2 C406 C2 C407 C6 C40...

Page 43: ... PF 1 2 3 4 8 7 6 5 S G S G D D D D R842 10K 1 10W D806 BAV70 Q806 AM4502C T1 PF 1 2 3 4 8 7 6 5 S G S G D D D D R840 1M 1 10W D804 LL4148 R815 NC C807 0 01uF D808 BAV70 R818 100K 1 10W C820 56pF3KV R836 51K 1 10W C811 0 1uF C812 1000uF 25V R841 1M 1 10W C802 0 047uF R822 20K OHM 1 1 8W R837 8 2K 1 10W C821 56pF3KV R819 100K 1 10W CN803 CONN 1 2 D802 LL4148 D807 BAV70 D805 LL4148 CN804 CONN 1 2 Q8...

Page 44: ...C905 100uF 450V L904 3 5uH CN902 CONN 1 2 3 4 5 6 7 8 9 10 ZD922 RLZ5 6B 1 2 C915 470uF16V C933 0 1uF C912 0 001uF F901 FUSE R914 0 43 OHM 5 2WS R961 100 1 4W Q901 STP10NK70ZFP R910 10 1 4W R909 5 1 1 4W R940 33K 1 10W R930 2 43K 1 1 10W Q903 PMBS3904 C906 1500pF2KV CN901 SOCKET 1 2 3 D908 NC F903 R903 100KOHM 5 2WS IC903 PC123X2YFZOF 1 2 4 3 R902 1M 1 4W C922 NC R912 220 1 4W C921 3300pF 250V C91...

Page 45: ... CONN 1 2 C818 220pF R830 NC Q805 AM4502C T1 PF 1 2 3 4 8 7 6 5 S G S G D D D D R804 5K1 1 8W R842 10K 1 10W R840 1M 1 10W Q806 AM4502C T1 PF 1 2 3 4 8 7 6 5 S G S G D D D D R815 NC D807 BAV70 C807 0 01uF C812 1000uF 25V R818 100K 1 10W C820 56pF3KV R836 51K 1 10W C811 0 1uF C802 0 047uF R841 1M 1 10W R837 8 2K 1 10W C821 56pF3KV R819 100K 1 10W CN803 CONN 1 2 CN804 CONN 1 2 C816 12pF 6KV R827 NC ...

Page 46: ...7 3 6K 1 1 10W ZD921 RLZ13B 1 2 R904 300K 1 4W IC901 LD7552BPS 1 2 3 4 5 6 7 8 GND COMP VCC RT NC CS VCC OUT C908 22uF 50V R906 300K 1 4W D906 SP10100 1 2 3 R919 100R 1 4W R915 100K OHM 1 1 8W ZD902 RLZ13B 1 2 C929 0 001uF C902 1000PF 250VAC C918 680uF25V D907 31DQ06FC3 NR901 NTCR 1 2 T901 POWER X FMR 7 8 9 10 11 12 4 5 6 1 2 L904 3 5uH C939 1000uF25V D903 LL4148 BD901 KBP208G 2 1 3 4 R938 10K 1 8...

Page 47: ...F 25V R103 2 4K 1 1 10W R107 4 3K 1 1 10W C101 0 01uF 25V SW101 1 2 3 4 5 6 7 8 9 10 11 12 R108 910R 1 1 10W C104 0 01uF 25V CN101 CONN 1 2 3 4 5 6 7 R102 910R 1 1 10W C103 0 01uF 25V R101 4 3K 1 1 10W LED102 LED 1 2 C102 0 01uF 25V LED101 LED 3 4 1 2 CN101 A5 C101 A2 C102 A3 C103 A3 C104 A3 C105 A4 C106 A4 LED101 C2 LED102 C1 R101 C5 R102 C5 R103 C4 R107 C4 R108 C3 SW101 C3 ...

Page 48: ...N 8 USB PLUG IN Board Diagram 1 1 2 2 3 3 4 4 5 5 A A B B C C D D C503 0 1uF 16V CN502 CONNNECTOR 1 2 3 4 6 5 CN501 CONN 1 2 3 4 5 C501 5pF FB501 120R C502 5pF CN501 B1 CN502 C4 C501 C2 C502 C2 C503 C3 FB501 B3 ...

Page 49: ...49 HUDSON 8 USB PLUG OUT Board Diagram 1 1 2 2 3 3 4 4 5 5 A A B B C C D D CN511 63365 5P 2 0mm 1 2 3 4 5 CN512 CONNNECTOR 1 2 3 4 6 5 CN511 B2 CN512 C3 ...

Page 50: ...2 C410 A1 R102 B2 R205 A1 R401 A1 C203 A2 C411 A1 R103 B2 R207 A2 R403 A1 C204 A1 CN101 B2 R104 B2 R208 A1 R404 A1 C205 A2 CN102 B1 R105 B2 R209 A1 R405 A1 C206 A2 CN201 A1 R106 B2 R210 A2 R406 A1 C207 B2 CN202 A1 R107 B2 R211 A1 U101 A2 C208 B2 CN301 A2 R108 B2 R212 A1 U102 B1 C209 A2 CN401 A1 R109 B2 R213 A1 U201 A2 C210 B1 D101 B1 R110 B2 R214 A1 U203 B2 C211 A2 D102 B2 R111 B2 R215 A1 U204 A2 ...

Page 51: ...51 HUDSON 8 Scaler Board C B A 2 37 ...

Page 52: ...3 J908 B4 C918 A3 L801 A1 C921 B4 L802 D2 C922 A3 L902 C3 C938 C4 L903 A4 C939 A4 L904 A3 CN801 B1 NR901 D3 CN802 A1 Q901 C4 CN803 D1 R828 C1 CN804 C1 R903 B3 CN901 D3 R914 C4 CN902 A2 R946 A4 D900 B4 SEN1 A1 D901 B3 SEN10 C1 D906 A3 SEN11 C4 D907 A4 SEN12 B1 F901 D2 SEN13 D1 F903 A3 SEN14 B2 HM10 D4 SEN15 D2 HM11 D3 SEN16 C1 HM12 D2 SEN2 A1 HM13 C3 SEN3 A1 HM14 D4 SEN4 B1 HM15 D2 SEN5 A2 HM16 B4 ...

Page 53: ...2 R925 B3 D804 C2 R926 B3 D805 B2 R927 A4 D806 A2 R930 B3 D807 A2 R935 A4 D808 C2 R938 C4 D809 D2 R939 A3 D903 C4 R940 A4 FB902 B3 R942 A4 IC801 B2 R943 A3 IC901 C3 R961 A4 Q801 A2 R962 A4 Q802 B2 RJ801 A2 Q803 B2 RJ802 A2 Q804 C2 RJ803 B2 Q805 B2 RJ901 B3 Q806 C2 RJ902 B4 Q903 A3 SG10 D4 R801 A2 SG11 D4 R802 A2 SG12 D4 R803 B2 SG13 D3 R804 C2 SG14 D3 R805 C2 SG15 D2 R806 B2 SG16 D2 R807 C2 SG17 A...

Page 54: ...54 HUDSON 8 KEY Board C B A CN001 A1 R001 A3 R002 A3 R003 A3 R007 A2 R008 A1 C001 A1 C002 A1 C003 A1 C004 A1 C005 A1 C006 A1 LED101 A4 LED102 A2 SW001 A4 ...

Page 55: ...55 HUDSON 8 USB PLUG IN Board C B A CN501 A1 CN502 B1 C501 B1 C502 B1 C503 A1 FB501 B1 ...

Page 56: ...56 HUDSON 8 USB PLUG OUT Board C B A CN511 A1 CN512 B1 GND C1 J1 B1 ...

Page 57: ...TMENT DDC 2B DDC CI COMMUNICATION CAPABILITY MAX RESOLUTION 1440 900 NON INTERLACED AT 76 HZ 19 COLOR TFT LCD FLAT PANEL EASY TILT SWIVEL BASE FULL RANGE POWER SUPPLY 90 264 VAC CE ENVIRONMENTAL POLICY LEAD FREE PRODUCT POLICY ANTI GLARE TO REDUCE LIGHT REFLECTION POWER MANAGEMENT CAPABILITY SOG SUPPORT TCO 03 HUDSON 190C GENERAL PRODUCT SPECIFICATION 8 W8 BRAND PHILIPS 19 inch LCD Monitor TYPE 19...

Page 58: ... 2 1 D Sub cable 3 2 2 DVI cable 3 2 3 Audio cable 3 2 4 USB cable 3 2 5 OSD function control 3 3 Timing requirement 3 3 1 Mode storing capacity 3 3 2 Factory preset timings 3 3 3 Horizontal scanning 3 3 4 Vertical scanning 3 4 Power input connection 3 5 Power management 3 6 Display identification 3 6 1 Analog DDC 3 6 2 Digital DDC 4 0 Visual characteristics 4 1 Test conditions 4 2 Resolution 4 3 ...

Page 59: ... assurance requirements 8 1 Acceptance test 9 0 Serviceability 10 0 Philips Flat panel monitors pixel defect policy BRAND PHILIPS 19 inch LCD Monitor TYPE 190CW8 2007 08 01 590 2007 08 01 GENERAL PRODUCT SPECIFICATION Continued ...

Page 60: ...250 nits Min 300 nits Typ 2 1 2 Type NR CMO M190A1 L06 TN Number of Pixels 1440 H x900 V Physical Size 427 2 w 277 4 h 17 0 d Typ mm Pixel Pitch 0 285 mm x 0 285 mm Color pixel arrangement RGB vertical stripes Support Color 16 7M colors 6 bits FRC Display Mode Normally White Backlight CCFL edge light system Active area WXH 410 4 x 256 5mm 19 05 diagonal Viewing Angle CR 10 75 75 min 85 85 typ for ...

Page 61: ...face signals There are two main display interface input signals D sub and DVI D 1 D shell Analog Input signal Video H sync V sync Video 0 7 V p p input impedance 75 ohm Sync Separate sync TTL level input impedance 2k2 ohm terminate H sync Positive Negative V sync Positive Negative Composite sync TTL level input impedance 2k2 ohm terminate Positive Negative Sync on green video 0 3V p p Negative Vid...

Page 62: ...ription Pin No Description Pin No Description 1 T M D S data2 9 T M D S data1 17 T M D S data0 2 T M D S data2 10 T M D S data1 18 T M D S data0 3 T M D S data2 shield 11 T M D S data1 shield 19 T M D S data0 shield 4 No Connect 12 No Connect 20 No Connect 5 No Connect 13 No Connect 21 No Connect 6 DDC clock 14 5V Power 22 T M D S clock shield 7 DDC data 15 Ground for 5V 23 T M D S clock 8 No Conn...

Page 63: ...ding bar If the signal source is coming from DVI this function should be disabled and be grayed out H Position 0 100 Sliding bar If the signal source is coming from DVI this function should be disabled and be grayed out V Position 0 100 Sliding bar If the signal source is coming from DVI this function should be disabled and be grayed out Smart Response On Off Smart Contrast On Off Size Full Screen...

Page 64: ...es 0 064 2 lines 0 086 3 lines Q ms 1 907 60 lines 1 080 34 lines 1 049 33 lines 1 114 39 lines R ms 11 12 350 lines 12 71 400 lines 15 253 480 lines 13 714 480 lines S ms 1 175 37 lines 0 381 13 lines 0 317 10 line 0 086 3 line SYNC H V POLARITY SEP SYNC Y Y Y Y MODE NO 5 6 7 8 RESOLUTION 640 x 480 640 x 480 640x480 800 x 600 Dot clock MHz 31 500 31 501 36 36 f h 37 861kHz 37 5kHz 36kHz 35 2kHz A...

Page 65: ...3 653 1024 dots 13 003 1024 dots E us 0 563 32 dots 0 369 24 dots 0 321 24 dots 0 203 16 dots f v 75Hz 60 004Hz 70 004Hz 75Hz 75 000 O ms 13 41 667 lines 16 666 806 lines 14 272 806 lines 13 328 800 lines P ms 0 06 3 lines 0 124 6 lines 0 106 6 lines 0 05 3 lines Q ms 0 784 39 lines 0 600 29 lines 0 514 29 lines 0 446 28 lines R ms 12 55 624 lines 15 880 768 lines 13 599 768 lines 12 80 768 lines ...

Page 66: ...6 dots 1 037 112 dots 0 957 112 dots C us 2 889 312 dots 1 725 224 dots 2 296 248 dots 1 915 224 dots D us 11 852 1280 dots 9 857 1280 dots 11 852 1280 dots 10 94 1280 dots E us 0 889 96 dots 0 678 88 dots 0 445 48 dots 0 137 16 dots f v 60Hz 75Hz 60Hz 67Hz O ms 16 667 1000 lines 13 333 1002 lines 16 661 1066 lines 14 883 1067lines P ms 0 05 3 lines 0 039 3 lines 0 047 3 lines 0 112 8 lines Q ms 0...

Page 67: ... us 14 157 1936 dots 13 333 2160 dots 15 018 2080 dots 15 316 2240 dots B us 1 112 152 dots 1 185 192 dots 0 231 32 dots 1 203 176 dots C us 1 814 248 dots 1 877 304 dots 0 587 80 dots 1 915 280 dots D us 10 530 1440 dots 9 877 1600 dots 13 863 1920 dots 11 487 1680 dots E us 0 701 0 395 64 dots 0 337 0 711 F v Hz 74 984 60 59 934 59 954 O ms 13 336 942 lines 16 667 1250 lines 16 685 1111 lines 16...

Page 68: ... Sync polarity Positive or Negative Scanning frequency 30 83 KHz 3 3 4 Vertical scanning Sync polarity Positive or Negative Scanning frequency 56 76 Hz 3 4 Power input connection Power cord length 1 8 M Power cord type 3 leads power cord with protective earth plug 3 5 Power management The power consumption and the status indication of the set with power management function are as below Status H sy...

Page 69: ...31 469 IBM VGA 12H 3 640x480 67 35 MACINTOSH 4 640x480 75 37 5 VESA 5 800x600 60 317 37 879 VESA 6 800x600 75 46 875 VESA 7 832x624 75 49 7 MACINTOSH 8 1024x768 60 004 48 363 VESA 9 1024x768 75 029 60 023 VESA 10 1280x1024 60 02 63 981 VESA 11 1280x1024 75 025 79 976 VESA 12 1440x900 59 887 55 935 VESA 13 1440x900 74 984 70 635 VESA Note 1 Screen displays perfect picture at 13 factory preset modes...

Page 70: ...cification CIE coordinates x y 11500K x 0 270 0 02 y 0 281 0 02 9300K x 0 283 0 02 y 0 297 0 02 8200K x 0 291 0 02 y 0 306 0 02 7500K x 0 298 0 02 y 0 314 0 02 6500K sRGB x 0 313 0 02 y 0 329 0 02 sRGB x 0 313 0 02 y 0 329 0 02 5000K x 0 345 0 02 y 0 357 0 02 Production alignment spec CIE coordinates x y 11500K x 0 270 0 005 y 0 281 0 005 9300K x 0 283 0 005 y 0 297 0 005 8200K x 0 291 0 005 y 0 3...

Page 71: ... 5 4 1 Shipping dimension Weight Carton dimension 407 W 460 H 114 H mm Gross weight 5 4 2 Block unit Palletization Basic Base layers block sets layer sets block unit 20 19 6 6 120 114 Blocks container 20 feet 40 feet 9 2 20 2 6 0 Environmental characteristics The following sections define the interference and susceptibility condition limits that might occur between external environment and the dis...

Page 72: ...3 C Test Humidity 60 Air pressure 100 kpa According to DSD draft standard UAN D636 6 3 Display disturbances from external environment According to IEC 801 2 for ESD disturbances 6 4 Display disturbances to external environment 6 4 1 EMI EMI FCC VCCI CE C Tick MPRIII BCIQ IC BSMI IEC60601 1 2 EU Medical compliance only applies for dedicated models 7 0 Reliability 7 1 Mean Time Between Failures Syst...

Page 73: ...djacent dark sub pixels 2 3 adjacent dark sub pixels one white pixel 0 Distance between two black dot defects 15mm Black dot defects within 20 mm circle 1 Total black dot defects of all type 5 TOTAL DOT DEFECTS ACCEPTABLE LEVEL MODEL 190CW8 Total bright or black dot defects of all type 5 1 or 2 adjacent sub pixel defects 1 dot defect Fig 1 Brightness and Uniformity 1 2 3 7 8 W 10 L W L 10 L 2 W 2 ...

Page 74: ...ION Continued Fig 2 Cross talk pattern Gray level 46 64 Gray level YA 1 2 1 2 1 6 Fig 3 Cross talk pattern Center at Gray level 0 Black YB 1 2 1 2 1 6 1 3 1 3 1 3 1 3 1 3 BRAND PHILIPS 19 inch LCD Monitor TYPE 190CW8 2007 08 01 590 2007 08 01 ...

Page 75: ...SEPARATE SYNC HORIZONTAL B A R VIDEO Q S P O D VIDEO C E B A VERTICAL HORIZONTAL COMPOSITE SYNC FIG 4 TIMING CHART 1 BRAND PHILIPS 19 inch LCD Monitor TYPE 190CW8 2007 08 01 590 2007 08 01 GENERAL PRODUCT SPECIFICATION Continued ...

Page 76: ...RODUCT SPECIFICATION Continued D VIDEO C E B A VERTICAL COMPOSITE SYNC FIG 5 TIMING CHART 2 O P Q R S VIDEO B S P Q O R SYNC ON GREEN HORIZONTAL VERTICAL BRAND PHILIPS 19 inch LCD Monitor TYPE 190CW8 2007 08 01 590 2007 08 01 ...

Page 77: ...Z026 MAIN FRAME ASSY CMO 705GZ715010 SZ007 SZ025 KEPC7AB1 KEY BOARD ASSY SZ012 A33G0233ADT 1L cable cover SZ013 A33G0257ADT 1L Stand hook A34G0411ADT 1B BASE SZ015 SCALER ASSY CMO CBPC7MMDPHA1 SZ024 USB G2662 B X X 1 070611 USB7AA2 SZ022 SZ023 USB7AA7 USB G2732 B X X 1 070716 SZ011 A33G0232ADT 1L Hinge Cover REAR COVER 19 A34G0408ADT 1T SZ014 Type 190CW8FB 97 CMO ...

Page 78: ... a solder sucker see Fig 1A While holding the SMD with a pair of tweezers take it off gently using the soldering iron s heat applied to each terminal see Fig 1 B Remove the excess solder on the solder lands by means of litz wire or a solder sucker see Fig 1C 1 3 Caution on removal When handling the soldering iron use suitable pressure and be careful When removing the chip do not use undue force wi...

Page 79: ...s around 90 for drying Take attention for ESD protection 5 Rework on BGA Ball Grid Array ICs General Although LF BGA assembly yields are very high there may still be a requirement for component rework By rework we mean the process of removing the component from the PWB and replacing it with a new component If an LF BGA is removed from a PWB the solder balls of the component are deformed drasticall...

Page 80: ...Board Control Board Scaler Board LCD Panel No power power indicator off Check 12V 5V NG Bad power board Check Control Board Check Control Wires Check Scaler Board OK NG OK Bad Scaler Board Check LCD Panel OK Repair Flow Chart ...

Page 81: ...81 HUDSON 8 Power Board Bad Power Board OK NG OK OK Check Scaler Board Bad Scaler Board OK OK Repair Flow Chart ...

Page 82: ...82 HUDSON 8 Repair Flow Chart Check Power Board OK Check LCD Panel OK NO OK Control Board OK OK Board 18V 12V 5V DC ...

Page 83: ...T 1L Hinge Cover SZ012 A33G0233ADT 1L cable cover SZ013 A33G0257ADT 1L Stand hook SZ014 A34G0408ADT 1T REAR COVER 19 SZ015 A34G0411ADT 1B BASE SZ016 A37G0041 1 HINGE ASS Y SZ017 P45G 88609 37 R EPE BAG SZ018 Q44G9077 1 EPS SZ019 Q44G9077 2 EPS SZ020 Q44G9077624 1A 19 CARTON SZ021 Q45G 88609 40 R EPE COVER U101 056G1133 34 M24C02 WMN6TP U203 705GQ756036 U203 MCU ASS Y U204 056G1133 56 M24C16 WMN6TP...

Page 84: ...NPO C222 065G0402220 31 CHIP 22PF 50V NPO C223 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C224 065G0402224 A5 MLCC 0402 CAP 0 22UF K 10V X5R C224 065G0402224A5T MLCC 0402 0 22UF K 10V X 5R C225 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C226 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C227 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C228 065G0402104 15 MLCC 0402 0 1UF K 16V X5R C229 065G0402104 15 MLCC 0402...

Page 85: ...MAL240LVXRO SMT ZD101 093G 39GA01 T RLZ5 6B ZD101 093G 39S 24 T RLZ 5 6B LLDS ZD102 093G 39GA01 T RLZ5 6B ZD102 093G 39S 24 T RLZ 5 6B LLDS ZD103 093G 39GA01 T RLZ5 6B ZD103 093G 39S 24 T RLZ 5 6B LLDS ZD104 093G 39GA01 T RLZ5 6B ZD104 093G 39S 24 T RLZ 5 6B LLDS ZD105 093G 39GA01 T RLZ5 6B ZD105 093G 39S 24 T RLZ 5 6B LLDS ZD106 093G 39GA01 T RLZ5 6B ZD106 093G 39S 24 T RLZ 5 6B LLDS ZD107 093G 3...

Page 86: ...4B RST MOFR 0 43 OHM 5 2WS R915 061G0805100 3F RST CHIPR 100KOHM 1 1 8W R918 061G1206101 100 1206 R919 061G1206101 100 1206 R920 061G1206101 100 1206 R924 061G0805331 RST CHIPR 330 OHM 5 1 8W R925 061G0805102 RST CHIPR 1KOHM 5 1 8W R926 061G0603100 1F RST CHIPR 1 KOHM 1 1 10W R927 061G0603360 1F RST CHIPR 3 6 KOHM 1 1 10W R930 061G0603243 1F RST CHIPR 2 43 KOHM 1 1 10W R935 061G1206101 100 1206 R9...

Page 87: ...032 Z70G9003813 1A cd manual Diversity of 190CW8FB 75 CMO LPL compared with 190CW8FB 97 CMO LPL Item 190CW8FB 75 CMO LPL 190CW8FB 97 CMO LPL TPV Code Description TPV Code Description SZ007 705GZ715008 MAIN FRAME ASSY LPL 705GZ715007 MAIN FRAME ASSY LPL SZ006 089G410A18N IS POWER CORD WALL OUT FOR UK 32E1818020 089G404A18N IS POWER CORD 089G410A18NLSB POWER CORD 1 8M PY8B1V6CC0A 060 SZ007 705GZ7150...

Page 88: ...D SZ025 705GZ715008 MAIN FRAME ASSY LPL SZ007 705GZ715007 MAIN FRAME ASSY LPL CBPC7MMDPHA2 SCALER ASSY CMO CBPC7MMDPHA1 SCALER ASSY CMO D401 093G2004 1 SMAL240LVXRO SMT D401 U203 705GQ756038 U203 MCU ASS Y U203 705GQ756036 U203 MCU ASS Y U401 056G 562178 IC PUM56BWHL LF 1 PQFP 100 U401 056G 562181 IC PUMO5PCWHL LF PQFP 100 040G 457624 1B LABEL CPU CBPC7GMDPHA2 SCALER ASSY LPL CBPC7GMDPHA1 SCALER A...

Page 89: ... HARNESS SZ009 705GZ734009 REAR_COVER ASSY SZ014 A34G0408ADT 1T REAR COVER 19 SZ010 705GZ734010 BEZEL ASSY SZ001 705GZ734007 BEZEL ASSY SZ012 A33G0232 VB 1L Hinge Cover SZ011 A33G0232ADT 1L Hinge Cover SZ013 A33G0233 VB 1L Cable Cover SZ012 A33G0233ADT 1L cable cover SZ014 A33G0257 VB 1L Stand hook SZ013 A33G0257ADT 1L Stand hook SZ015 A34G0411 VB 1B BASE SZ015 A34G0411ADT 1B BASE SZ021 Z44G901381...

Page 90: ...36 061G0402331 RST CHIP 330R 1 16W 5 R236 061G0402101 RST CHIPR 100 OHM 5 1 16W SZ027 CBPC7GMDPHSA2 Scaler board ASSY LPL SZ024 CBPC7GMDPHA1 SCALER ASSY LPL D401 093G2004 1 SMAL240LVXRO SMT R236 061G0402331 RST CHIP 330R 1 16W 5 R236 061G0402101 RST CHIPR 100 OHM 5 1 16W Diversity of 190CW8FB 00 CMO LPL compared with 190CW8FB 97 CMO LPL 190CW8FB 00 CMO LPL 190CW8FB 97 CMO LPL Item TPV Code Descrip...

Page 91: ...SSY SZ007 705GZ715010 MAIN FRAME ASSY CMO 705GZ715008 MAIN FRAME ASSY SZ007 705GZ715007 MAIN FRAME ASSY LPL 095G8014 7D521 HARNESS SZ008 095G8014 5D 56 HARNESS 5P 5P 460mm 095G8014 7X521 HARNESS SZ009 095G8014 7D521 HARNESS A34G0409 VB 1T REAR COVER 19 SZ014 A34G0408ADT 1T REAR COVER 19 705GZ734010 BEZEL ASSY SZ001 705GZ734007 BEZEL ASSY A34G0411 VB 1B BASE SZ015 A34G0411ADT 1B BASE A33G0232 VB 1L...

Page 92: ...AFER 9P RIGHT ANELE PITCH D401 093G2004 1 SMAL240LVXRO SMT R236 061G0402331 RST CHIP 330R 1 16W 5 R236 061G0402101 RST CHIPR 100 OHM 5 1 16W U203 705GZ756037 MCU ASS Y U203 705GQ756036 U203 MCU ASS Y U401 056G 562178 IC PUM56BWHL LF 1 PQFP 100 U401 056G 562181 IC PUMO5PCWHL LF PQFP 100 CBPC7GMDPHSA3 Scaler board PCBA G2653 CBPC7GMDPHA1 SCALER ASSY LPL CN201 033G3802 7 WAFER EH 7 CN401 033G3802 9 W...

Page 93: ...AFER EH 7 CN401 033G3802 9 WAFER 9P RIGHT ANELE PITCH D401 093G2004 1 SMAL240LVXRO SMT R236 061G0402331 RST CHIP 330R 1 16W 5 R236 061G0402101 RST CHIPR 100 OHM 5 1 16W U203 705GZ756036 U203 MCU ASS Y U203 705GQ756036 U203 MCU ASS Y U401 056G 562178 IC PUM56BWHL LF 1 PQFP 100 U401 056G 562181 IC PUMO5PCWHL LF PQFP 100 ...

Page 94: ...94 HUDSON 8 Revision List Manual 3122 785 17400 First release ALL chapters ...

Page 95: ...t HV and HV regulation are always checked as a standard servicing procedure and the reason 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 rece...

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