Dell E176FPB service manual Power Board, KBP206G

Page 33

Dell E176FPc

7.2 Power Board

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

DB901

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

KBP206G

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T901

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R908

 

O

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R903

 

R906

 

C905

100K

2W

 

9

 

 

 

 

 

 

 

 

+

C904

 

 

5.1K

1/8W

NC

 

0.0015uF/2KV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O 8

 

2

 

3

 

 

 

 

 

100uF/450V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L902

 

 

 

 

 

 

 

 

 

 

 

 

 

D901

 

 

 

 

 

 

L

 

 

 

 

 

 

 

 

R904

1/8W

R907

 

 

 

FR107

 

 

 

 

1

 

4

 

 

 

 

 

 

 

 

5.1K

NC

 

D902

 

 

 

 

6

12

 

 

 

C902

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UF4003

 

 

 

 

 

 

 

 

 

 

0.001uF/250V

 

 

 

 

 

 

 

 

 

 

 

 

 

2

11

 

 

 

 

 

 

 

 

 

 

C907

 

 

 

+

C906

 

 

R909

3

 

 

 

 

 

 

C901

 

 

 

0.1uF

R905

 

 

 

10uF

 

68

1/10W

1O

7

 

 

 

 

 

 

 

 

 

 

5.1K

1/8W

 

 

 

 

 

 

 

 

 

 

 

 

 

0.001uF/250V

 

 

 

 

 

 

R920

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

 

 

 

 

 

 

 

 

 

3

 

4

 

 

 

 

 

 

 

 

 

 

R915

 

 

 

 

 

 

 

 

 

 

L901

 

 

 

 

R910

 

 

 

 

22

1/10W

 

 

Q901

 

 

 

 

 

 

L

 

 

 

 

 

4.7K

1/10W

IC901

 

 

 

 

 

 

STP9NK60ZFP

 

 

 

 

 

 

 

 

 

 

 

8

6

 

 

 

 

 

 

 

 

 

 

2

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NCP1203DR

 

 

 

 

R917

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10K

1/10W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NCP1203DR60

R916

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

220

1/10W

 

 

 

 

 

C900

 

 

 

 

 

 

 

 

 

 

 

 

7

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R911

 

 

 

 

 

 

 

 

0.001uF/250V

 

C903

0.47uF/250V

 

 

 

 

20K

1/10W

4

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R918

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.39

2W

 

 

R901

220K

1/8W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C912

 

C911

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.001uF

 

470pF/50V

 

 

 

 

 

 

 

R902

 

 

 

R900

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NR901

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

220K

1/8W

 

220K

1/8W

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NTCR

 

 

 

 

 

 

 

 

 

2

 

 

 

4

1

 

 

 

 

 

 

 

t

 

 

 

 

 

 

 

 

 

 

 

ZD902

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

2

 

 

 

 

 

 

 

 

 

 

RLZ5.1B

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ZD901

 

 

 

 

 

2

VAR901

varistor

RLZ15B

 

 

 

R914

 

1

 

 

 

 

 

 

 

 

 

 

Q902

 

 

4.7K

1/10W

D903

 

1

 

 

 

 

 

LL4148-GS08

 

 

 

2PA733P

 

 

 

 

 

 

 

R912

 

 

 

 

 

 

 

 

F901

100

1/10W

 

 

 

 

 

 

 

FUSE

 

 

 

 

 

Q903

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2PC945P

 

 

 

 

R913

 

+ C908

R919

 

 

 

 

C933

 

75K

1/10W

22uF

16K

1/10W

 

 

 

0.001uF/250V

 

 

 

 

 

 

 

1 2 3

 

 

 

 

 

 

 

 

 

CN901

 

 

 

 

 

 

 

 

 

CONN

 

 

 

 

 

 

 

 

 

 

R921

 

C921

 

 

 

 

 

 

 

 

 

47

1/2W

0.001uF/500V

 

 

 

 

 

 

 

 

 

3

 

D921

 

 

 

 

 

 

 

 

 

 

FMB29L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

L903

L

 

 

 

 

F902

 

 

 

 

 

 

 

 

 

 

 

0

1/8W

 

 

 

 

 

 

 

 

 

2

 

 

+12V

 

1

 

 

+ C923

+ C931

 

+ C925

 

 

 

 

 

 

 

1000uF/25V

1000uF/25V

 

470uF/25V

ZD903

 

 

 

R922

 

C922

 

 

 

 

PTZ7.5B

 

 

 

47

1/2W

0.001uF/500V

 

 

 

 

 

 

 

 

 

 

 

 

 

L904

L

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+5V

 

 

 

2

+ C924

 

 

+

C926

 

 

 

 

 

 

 

 

1000uF/16V

 

 

 

470uF/16V

R926

R927

C928

 

 

 

 

D922

 

 

 

 

NC

NC

0.1uF

 

 

1

FMB26L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R923

1/4W

2

 

2

 

 

 

 

 

 

560

 

ZD904

ZD905

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RLZ13B

RLZ5.1B

 

 

 

 

 

 

 

 

1

 

1

R929

 

R930

C932

 

 

 

 

 

 

 

 

 

0.47uF/25V

 

 

 

 

 

 

 

 

33K

1/10W

3.6K

1/10W

 

 

 

 

 

 

D923

D924

 

 

 

 

 

 

 

 

 

LL4148-GS08 LL4148-GS08

 

 

CN902

 

 

 

 

 

 

 

 

 

 

 

 

 

R924

 

 

 

 

 

 

 

CONN

 

IC902

1K

1/10W

 

 

 

 

 

 

 

 

PC123FY2 4P

 

 

 

 

 

 

 

 

 

1

ON/OFF

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

DIM

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

+12V

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

+5V

 

 

C929

 

 

 

 

 

 

6

 

0.1uF

 

R931

 

 

 

 

7

 

 

 

 

 

 

1K

1/10W

 

 

 

8

 

IC903

R925

 

 

 

 

 

 

 

 

C927

0

1/8W

 

 

 

R932

 

 

 

0.1uF

AZ431AZ-AE1

 

 

 

 

 

 

1K 1/10W

 

 

 

 

 

 

 

 

 

 

 

 

 

R933

 

 

 

 

C930

 

 

 

 

 

2.4K

1/10W

 

 

 

NC

 

 

 

 

 

 

 

 

AOC (Top Victory) Electronics Co., Ltd.

 

 

 

 

 

Title

1.POWER OUTPUT 12V & 5 V

 

 

 

 

 

Size

Document Number

 

 

Rev

B

PWPC1742SEI1 (715L1492-E)

 

A

 

 

 

 

 

 

 

 

Date:

Wednesday, March 09, 2005

Sheet 1 of

2

 

33

Image 33
Contents LCD Monitor Revision Release Date Revise history TPV model Revision ListAdd Definition Of Pixel Defects Add Max Brightness measurementLayout Table of contentsCLAA170EA07 CPT Monitor SpecificationsLCD Monitor Description Monitor Block DiagramOperation instructions General InstructionsControl Buttons Function Auto adjustment Adjustment Method On Screen Menu/Display OSDBrightness / Contrast Adjusting the Picture Exit Phase Color Settings Normal Preset Blue Preset Red Preset Dell E176FPc Language Factory Reset Input/Output Specification Input Signal ConnectorFactory Preset Display Modes Power Supply Requirements Panel Specification Optical Characteristics For LM170E01- TLB3/TLB4 panel Optical Characteristics For CLAA170EA07 panel Monitor Exploded View Block DiagramSoftware Flow Chart Dell E176FPc Flash Memory Electrical Block DiagramLCD Interface Scalar GM2621Inverter/Power Board Remark Disassembly Flow ChartRemove stand Remove bezelRemove rear cover Remove the shield Magnetism ring Lvds CableEnd Main Board Schematic DiagramGm2621 Keypad Panel Interface Power KBP206G Power BoardIs power GND Is signal GND Page PCB Layout Dell E176FPc Inverter/Power Board Dell E176FPc Key Board Equipments and Tools Requirement MaintainabilityTrouble shooting No displayReplace U401 GM2621 Inverter Control Relative Circuit Panel Power CircuitU401-data Output No Power No Backlight Key Board White balance, Luminance adjustment Edid Content Turn the POWER-button off to on to quit from factory modeMax Brightness measurement Connect ISP Writer preparation action To Use ISP Writer take E153FP for example Dell E176FPc Dell E176FPc Dell E176FPc Executing ISP Check List Steps for writing DDC: Dell E176FPc BOM List Description Quantity Unit RemarkLocation Description Quantity Unit Carton PCS SUB 15PIN PCS BAV99 PCS RST SM 0603 Jump MAX 0R PCS M24C02-WMN6TP PCS PCS CN1 B2P3S-VH PCS RST SM 1206 Jump MAX 0R PCS RLZ11B Llds PCS Heat Sink PCS CLAA170EA Definition Of Pixel DefectsDell E176FPc 14.2 LM170E01-TLB3 / LM170E01-TLB4 Line Defect

E176FPB specifications

The Dell E176FPB is a compact yet feature-rich monitor that caters to a variety of users, from home office setups to educational environments. Designed with practicality in mind, this 17-inch flat-panel LCD display delivers a blend of performance, reliability, and energy efficiency.

One of the primary features of the E176FPB is its high-resolution display, offering a native resolution of 1280 x 1024 pixels. This clarity allows for sharp images and crisp text, making it suitable for various tasks like document editing, web browsing, or even light multimedia use. The monitor utilizes a 5:4 aspect ratio, which, while slightly outdated compared to modern widescreen displays, remains highly functional for traditional office applications.

The E176FPB is equipped with an anti-glare coating that reduces reflections and distractions, providing comfortable viewing even in brightly lit environments. The 250 cd/m² brightness combined with a contrast ratio of 600:1 ensures that images appear vibrant and details are well-defined. With a typical response time of 5ms, the monitor handles motion with relatively low blur, making it sufficient for casual video playback.

In terms of connectivity, the Dell E176FPB offers a D-Sub (VGA) port, ensuring compatibility with a wide range of computers and devices. It also includes a built-in power supply, which minimizes desk clutter and simplifies installation.

The monitor incorporates Dell's commitment to sustainability and energy efficiency. It features Energy Star certification, which signifies compliance with energy-saving standards, ultimately reducing the carbon footprint. Additionally, the E176FPB adheres to the latest environmental regulations, making it a conscientious choice for eco-minded consumers.

With a tilt-adjustable stand, users can customize their viewing angles for improved ergonomic comfort. Using the monitor for extended periods becomes easier and less straining on the neck and eyes. The build quality of the E176FPB is robust, ensuring longevity and reliable performance.

Overall, the Dell E176FPB stands out for its user-friendly attributes, solid performance, and energy-efficient design, making it a practical option for those seeking a dependable monitor for various computing needs. Whether for professional or personal use, it balances functionality with sustainability, embodying Dell's reputation for delivering quality technology.