Philips 107B7 manual Block diagram, Pincushion Size Control Blanking Circuit

Page 48

17” CDT Color Monitor

107B7

11. Block diagram

FUNCTION CONTROL

SIGNAL R

IC801

IC802

R

 

EHT

G

 

CABLE

G

NT6812

 

 

 

LM2476 O/P B

CRT

24.5KV

B

PRE AMP

 

 

 

 

 

 

H V

 

 

 

FOCUS G2 HV G1

 

IC101

 

 

SAA4849

Q402,T401

Q403,T402(FBT)

 

 

HOR.O/P

 

HOR. DRIVER

 

 

IC601

TDA4863A

VERT.O/P

Q907,Q908

 

Q909,Q910

X-RAY PROTECTION

POWER SAVING

 

Q406

 

PINCUSHION &

 

H-SIZE CONTROL

 

BLANKING CIRCUIT

 

 

 

 

12.5V

Q909

12V

DEGAUSSING

RECTIFIED

VIN

T901

OUTPUTS

Q910

 

RECTIFIE

 

C.K.T

& MOOTHED

 

Q907

6.3V

 

 

&SMOOTH

 

 

 

POWER

 

 

 

 

6.3V

Q908

 

 

 

 

TRANSFORME

 

 

 

 

 

 

 

 

 

 

 

48V

 

 

 

R162

Q913

START C.K.T

RECTIFIED

 

 

 

R155

 

 

 

LED

RY901

R939,R940

 

 

 

&SMOOTH

L906

 

 

 

 

 

D912

 

 

 

 

 

FROM

VCC

 

 

 

 

 

 

IC101

D

 

 

 

 

 

IC901

 

 

29

31 13

 

POWER

 

IC101

 

 

 

 

CONTROL

 

 

 

 

 

SWITCH

S

 

 

 

 

 

PWM O/P

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(50V-165V

 

F.B

R930

Q911

 

OUTPUT

VARIABLE

 

 

 

B+

 

 

 

RECTIFIE

LINE

 

R929

POWER

 

 

 

 

&SMOOTHED

 

FILTER

 

 

MOSFET

 

 

 

 

 

 

 

 

 

 

FROM

 

 

H.O.T

 

H-SYNC

H-SYNC

AC INPUT

C.K.T

CONTROL

90V-264V

 

 

 

B+ PWM IC101

48

Image 48
Contents Service Revision List Revision HistoryCDT Color Monitor 107B7 Important Safety Notice For Products Containing LaserMonitor Specifications .POWER ConsumptionInternational Regulatory Specification Canada RED CRT MexicoKorea SingaporePrecautions and notices Safety precautionsCDT Color Monitor 107B7 Product safety notice Service notesHigh voltage warning Operating instructions Pin No DescriptionGND Adjustment Adjustment conditions and precautionsMain adjustments Basic and simple instruction on the control keys OSD TreeCDT Color Monitor 107B7 CDT Color Monitor 107B7 Adjustment method CDT Color Monitor CDT Color Monitor 107B7 Relative placement of typical components Take 105G7 DDC writer for example 1.General System and equipment requirementsSUB connector Printer connector DC 12V input CDT Color Monitor 107B7 Enter, go into the next screen as shown Fig Enter into Fig Sync signals processor Reset Circuitpin23Circuit description Micro controller and deflection circuit Micro ControllerRay protection Quartz Oscillatorpin45,pin46+ Control Function Block CDT Color Monitor 107B7 Transistor & Diode and IC Circuit Location Description FunctionMechanical Instructions GeneralMain panel Remove Main board Remove Front frame Trouble Shooting Chart CRT Relative Circuit ProblemsNo Raster Abnormal Video Level On Screen Abnormal DDC Plug & PlayNo Signal On Screen CDT Color Monitor 107B7 Abnormal DisplayHor./Osc/Def/Hv Circuit Fault No Raster Disconnect With Signal CableCDT Color Monitor 107B7 No Blanking CDT Color Monitor 107B7 Abnormal Horizontal Deflection Abnormal Horizontal Width Of VideoAbnormal Horizontal Linearity CDT Color Monitor 107B7 Abnormal Vertical Scanning Side-Pin Cushion DistortionPoor Focus Abnormal Vertical SizeCDT Color Monitor 107B7 Power Supply Trouble Shooting Chart Mechanical of cabinet front dis-assembly Spare parts List Main Board Location Part No. for TPV Description Philips P/N 12NCWire WIRE&COREFerrite Bead 3*5*1.5 Ferrite BeadMofr 0.75 OHM Mgfr 270K OHMMgfr 470KOHM Mgfr 240K OHMCFR 4.7 OHM CFR 5.6K OHMCFR 56K OHM CFR 6.2K OHMCFR 2.2K OHM CFR 2.4K OHMCFR 470 OHM CFR 8.2K OHMCFR 1K OHM CFR 1M OHMCFR 120 OHM CFR 1.5 OHMNPO Key Board Location Part No for TPV Description Philips 12NC CRT Board Location Part No for TPV Description Philips 12NC CFR 560K OHM BAV21Different parts list Power CordSignal Cable TZX8V2BBlock diagram Pincushion Size Control Blanking CircuitIC Block diagram SAA4849 IC102 M24C08 IC801 NT6812 GND Gnds N/C N/C VCC PCB Layout Main BoardCDT Color Monitor 107B7 Video Board Schematic diagram Power Output107B7 Video General Product Specification General Product Features ScopePHL Standard Testing Conditions Video Signals Video Input SignalsProduct Range Destination Mains Magnetic Cabinet CordVideo Driver Signals DDC SignalsPreset & Preload Modes Timing Chart Preset video timings Plug And PlayTiming Resolution 640 x 720 x Pixel clock Sync Polarity Timing Resolution 800 x 1024 x Pixel clockPolarity Timing Resolution 1024 x 1280 x Pixel clock Frequency 31.469 kHz 43.269 kHz 31.468 kHz TotalTiming Resolution Sync Polarity Timing ResolutionPolarity Timing Resolution Frequency 31.469 kHz 37.500 kHz 50.628 kHz TotalTiming Resolution 1152 x 1280 x Pixel clock Polarity Timing Resolution 1280 1600 x Pixel clockPolarity Power Supply 2.6.1 Features Power consumptionPower saving conditions Key R to L FunctionLED indicator OSD menuOSD tree / English 1st level 2nd level 3rd level Power connector Video input connector/Video cableFront Of Screen Performance CRT characteristics Monitor status informationVendor CRT Type Number Screen & MaskScreen Diagonal Size Phosphor AreaOptical performance Accessories Cables User’s manualCD-ROM Location of iconsTexture/Glossing of housing Color for resin/paintResins If paint is usedProduct Dimensions / Weight Transportation test proceduresMovement of unit with base LabelPallet / Container loading 16.1. Air shipment container loading16.2. Sea shipment container loading for China & India Temperature 16.3. Sea shipment container loading for other regions16.4. Truck loading for China Reliability / Environment / TransportationAltitude Air pressureEarth magnetic field North Hemispheric South HemisphericSa = Safety RED CRT Dnhw MexicoNEW-ZEALAND Israel MPR II / TCO 107B70 Grey 107B75RoHS TCO-99 TCO-03 Weee

107B7 specifications

The Philips 107B7 is a well-regarded monitor designed for users who prioritize both performance and health in their computing experience. Aimed at professionals and home users alike, this monitor integrates advanced technologies that enhance productivity while promoting eye comfort.

One of the standout features of the Philips 107B7 is its commitment to Eye Care technology. This monitor incorporates a range of innovations specifically designed to reduce eye strain, such as LowBlue Mode and Flicker-free technology. LowBlue Mode reduces the amount of harmful blue light emitted by the screen, which is known to cause discomfort during prolonged use. Flicker-free technology, on the other hand, eliminates flickering at all brightness levels, providing a stable image that helps prevent fatigue.

The monitor boasts a 21.5-inch display with a resolution of 1920 x 1080 pixels, delivering sharp and vibrant visuals. This Full HD resolution ensures that users can enjoy crisp images whether they’re working on spreadsheets, watching videos, or designing graphics. Additionally, the panel features wide viewing angles, which means that colors remain consistent even when viewed from off-angles, making it ideal for collaborative work.

In terms of connectivity, the Philips 107B7 offers a variety of options. Users can easily connect their devices via HDMI, DisplayPort, and VGA inputs. The inclusion of USB ports is also a significant advantage, allowing for easy connection of peripherals like keyboards, mice, and other accessories.

Another notable aspect of the Philips 107B7 is its ergonomic design. The monitor features a height-adjustable stand that enables users to customize the screen's position for optimal viewing comfort. This flexibility aids in maintaining good posture and reducing strain during long working hours.

With its sleek design and adaptive technologies, the Philips 107B7 is more than just a monitor; it is a tool for enhancing productivity while keeping health and comfort at the forefront. Whether for office use, creative tasks, or leisurely activities, this monitor is designed to meet a variety of needs in today’s dynamic workspace. By combining advanced features with user-friendly design, the Philips 107B7 stands out as a strong choice for anyone looking to upgrade their viewing experience.