KONKA KPDP4212QG Service Manual

PLASMA TV SERVICE MANUAL

KPDP4212QG

KONKA GROUP CO,LTD.

Digital Flat Display Division

IMPORTANT SERVICE SAFETY INFORMATION

Operating the receiver outside of its cabinet or with its back removed involves a shock hazard. Work on these models should only be performed by those who are thoroughly familiar with precautions necessary when working on high voltage equipment.

Exercise care when servicing this chassis with power applied. if carelessly contacted, can cause serious shock or result in damage to the chassis. Maintain interconnecting ground lead connections between chassis, escutcheon, picture tube dag and tuner when operating chassis.

When it is necessary to make measurements or tests with AC power applied to the receiver chassis, an Isolation Transformer must be used as a safety precaution and to prevent possible damage to transistors. The Isolation Transformer should be connected between the TV line cord plug and the AC power outlet.

It is important to maintain specified values of all components and anywhere else in the received that could cause a rise in operating supply voltages. No changes should be made to the original design of the receiver.

Components shown in the shaded areas on the schematic diagram and/or identified by in the replacement parts list should be replaced only with exact factory recommended replacement parts. The use of unauthorized substitute parts man creates may create shock, fire, or other hazards.

Before returning the receiver to the user, perform the following safety checks:

1. Inspect all lead dress to make certain that leads are not pinched or that hardware is not lodged between the chassis

and other metal parts in the receiver.

2. Replace all protective devices such as non-metallic control knobs, insulating fish papers, cabinet backs, adjustment

and compartment covers of shields, isolation resistor-capacitor networks, mechanica l insulat ors etc.

3. To be sure that not shock hazard exists, a check for the presence of leakage current should be made at each exposed

metal part having a return path to the chassis (antenna, cabinet metal, screw heads knobs and/or shafts, escutcheon, etc.) in the following manner.

Plug the AC line cord directly into a 110V/220V/240V, AC receptacle. (Do not use an Isolation Transformer during these checks.) All checks must be repeated with the AC line cord plug connection reversed. (If necessary, a non-polarized adapter plug must be used only for the purpose of completing these checks.)

PLEASE READ BEFORE ATTEMPTING SERVICE

1. Use an Isolation Transformer when performing any service on this chassis.

2. Never disconnect any leads while receiver is in operation.

3. Disconnect all power before attempting any repairs.

4. Do not short any position of the circuit while the power is on.

5. For safety reasons, replace components any with identical replacement parts (SEE PARTS LIST).

6. Before alignment, warm up the TV for at least 30 minutes.

7. When removing a PCB or related component, after unfastening or changing a wire, be sure to put the

wire back in its original position.

8. Inferior silicon grease can damage IC's and transistors. When replacing IC's and transistors, use only

specified silicon grease. Remove all old silicon when applying new silicon.

9. Before removing the anode cap, discharge eletricity because it contains high voltage.

A. SPECIFICATION

System : PAL：I、B/G、D/K；SECAM：D/K、L、B/G

Channel : VHF~ Low BAND ： 0 CH（46.25MHz） ~S9 CH（161.25MHz）

VHF~ High BAND ： S10 CH（168.25MHz）~S41 CH（463.25MHz） UHF BAND ： E21CH（471.25MHz）~E69 CH（855.25MHz）

IF : VIF 38.9MHz SIF 33.4 MHz CIF 34.47 MHz

Audio Output Power : 5 W*2

Antenna Impedance : 75Ω

Power Consumption : 340W（Max）

Power Supply : ~180－240V, 50/60Hz

Item

1 2 3 4 5 6 7

9 10 11

Port List RF Cable

Y/Composite 、Cb、Cr（SD）

Y、Pb、Pr（HD） VGA/RGB

VGA/DVI Audio Input

DVI

Scart 1

Earphone Audio Output

Scart 2

Component Audio Input

B. ADJUSTMENT MANUAL

Ⅰ. TEST NOTE

1. Please follow the pointed test steps and choose the right test equipment to conduct

adjustment, otherwise good effect of Unit could not be obtained. The unit should be warmed up for 30 minutes before adjustment and every parameter should be adjusted repeatedly till the optimum value obtained, the pointed voltage value should be ensured during test to get satisfied test result.

2. Test environment

1) Temperature ： 15°C-35°C

2) Relative Humidity : 45-75%

3) Air pressure : 86-106KPa

3 Test equipments（The following equipment should be calibrated before testing）

1) Computer 1 set

2) Multi-meter (VICTOR VC9801) 1 set

3) Video Signal Generator (Chroma Model 2227/2327) 1 set

4) Color Analyzer (Chroma Model 7120 ) 1 set

5) DDC card (DYNACOLOR, INC D8330) 1 slice

6) TV Video Signal Generator (FLUKE PM54200) 1 set

Item Equipment Condition Adjust method

1. Enter the

adjust menu

2. Loading

default data

3.Color

temperature

adjust

a. Auto adjust Pattern Generator

b.9300K Pattern Generator

c.7500K Pattern Generator

TV Video Signal Generator

Color analyzer

Gray

Gray “LOAD DEFAULT”

1280*1024 75HZ

Color bar

Full white pattern Adjust R.G.B data in factory status

Full white pattern Adjust R.G.B data in factory status x:299

Power on the TV , push the “call”

Key of the remote controller 5 times in 3

seconds. The “ version xxxx” will

display in the screen. Then push the

“menu” key to enter the factory setting

status.

“AUTO COLOR”

x:285 y:293 Y:160cd/m

y:315 Y: 160cd/m

d.6500K Pattern Generator

Color analyzer

4.TV setting

AFC setting

TV Signal Generator

Full white pattern Adjust R.G.B data in factory status x:313

y:329 Y: 160cd/m

60dB , Color bar and Gray Set “AFC” on

C. Key IC list

Item P/N Type Circuit No. Qty.

1 19003989 TDA9886T-PHILIPS N102 1 2 3 19004330 MSP3410G

4 19004329 TDA1308-PHILIPS/# N104 1 5 19003312 24LC21A-MICROCHIP/# N301,N302 2 6 19003673 74LVC14A SO14-PHILIPS/# N303 1

8 9

10 19004142 24LC32A- MICROCHIP/# N502 1 11 12

19003674 BAV70 SOT23-PHILIPS/# D304,D305 2

N103 1

PMQFP64-MICRONAS/

19004239 K4D263238F-UC50-SAMSUNG/#7 19004569 D1232AAFA-6B-ELQFP100-ELPI 19003439 FSAV330-TSSOP-FAIRCHILD N305,N408 19005599 K6F2008V2E-LF70(TSOP)-SAMS

UNG

19004171

19002575 24LC16B/SN-MICROCHIP/# N406 1

19004169 19005051 W39L040AP70B-Winbond/#

19004139 W39L040P-70B-WINBOND/#

19005170

19005050 19002896 TDA8946J-PHILIPS N201 1(For SAMSUNG PANEL) 19000493 TDA2616-PHILIPS/# N201 1(For LG PANEL) 32001259 TUNER N101 1

IS62WV2568BLL-70H-ISSI/#

SDA5550M-PMQFP100-MICRON

AS/# N407 1

VPC3230D-C5-PQFP80-MICRON

GM1501-BD-416-PBGA-GENESIS

/# N501 1

N403 1

N404 1

N401,N405 2

N412

System Power supply

Speaker connector

GM1601/1501

Sub

board

CHASSIS SYSTEM LAYOUT

PDP PANEL

LVDS to panel

Key board

Classis Power Supply

Digital board

Sound connector

input

Switch

+ 12 hidden pages

KONKA KPDP4212QG Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual