Daewoo DPC-8200PD Manuale utente

(8.0-Inch) LCD Color Monitor &

DVD Player

NOV. 2006

DPC-8200PD

OSDPC82001

(8.0-Inch) LCD Color Monitor &DVD Player

MODEL : DPC-8200PD

CONTENTS

----------------

Specification....................................................... ............................................... ...

Block Diagram................................... ................................................................ ...

General Alignment Instruction....................................................................... ......

Troubleshooting........................................................................................... ... ... ..

Printed Circuit Board........................................................................................ ... ...

IC BLOCK DIAGRAM & DESCRIPTION....................................................... .. ..

Explode View........................................................................................................ ...... .

Schematic Diagram......................................................................................... ..... ..

-2-

SPECIFICATION

LCD MONITOR

Description Condition Unit

Limit Nominal

Headphone1 Output 1KHz0dB mW

3±23

Headphone2 Output 1KHz0dB mW

3±23

Headphone1 Noise No Signal mV

<1mV <1mV

Headphone2 Noise No Signal mV

<1mV <1mV

L1KHz0dB mW

600±100

600

SPK MAX Output R1KHz0dB mW

600±100

600

L1KHz0dB mW

600±100

600

SPK MAXOutput(AV IN) R1KHz0dB mW

600±100

600

REF THD 1KHz0dB %53

SPK S/N Infinityzere/- dB/L&R

dB 35 35

Headphone S/N Infinityzere/- dB/L&R

dB 60 60

Luminance(MAX) White Signal LUX

300±50

300

Luminance(8STEP) White Signal LUX

250±50

250

Luminance(MIN) White Signal LUX

100±50

100

20HzdB ±30

125HzdB ±30

10KHzdB ±30

20KHzdB ±30

20HzdB ±30

125HzdB ±30

10KHzdB ±30

Headphone RESP

20KHzdB ±30

-3-

DVD

Description Condition Unit

Limit Nominal

Video Signal Level Vp-p

0.7±0.1

0.7

SYNC Level Vp-p

0.3±0.1

0.3

Video out level

75% color

bar/75ohm Vp-p

1.0±0.2

Video out level(Unload) 75% color bar

Vp-p

2.0±0.2

CD 1KHz/0dB/10K

V2.0±0.2

Audio out level DVD

1KHz/0dB/10K V2.0±0.2

20Hz dB ≤±30

125Hz dB ≤±30

10KHz dB ≤±30

FREQ RESP (DVD)

(20Hz~20KHz)

20KHz dB ≤±30

Signal-to-noise radio Infinityzere/- dB/L&R

dB 60 60

Audio distortion&noise (DVD) 1KHz/0dB/L&R

dB ≤-65 -65

Dynamic range (DVD) 1KHz/-60dB dB 85 85

R/L Cross sound (DVD) 1KHz/0dB/L&R

dB 45 45

1KHzChannel unbalance (DVD)

1KHz/0dB/L&R

dB ≤30

Power Consumption StandbyW00

DC 9V Rating W ≤12 ≤12

EccentricityA BEX TDV-552

100 100

Scratch A BEX TDV-541

1.6 1.6

Blackdot A BEX TDV-545

ф0.8 0.8

Finger Print A BEX TDV-545

ф65 65

Vertical deviation A BEX TDV-533

0.6 0.6

Note: Nominal specs represent the designspecs. All units should be able toapproximate these. Somewill

exceed andsomemaydropslightlybelowthese specs. Limit specs represent the absolute worst condition that

might still be considered acceptable. In no case should a unit fail to meet limit specs.

-4-

BLOCK DIAGRAM

LCD

OZ970

D3031

A8430

+12V

+7V

-10V

”

H.V.

TRAN

-5-

DVD

DVD DECK

PICK UP

EEPROM

AT24C02-SOP8

FILTER AUDIO DAC AUDIO

AMP

SERVO DRIVER

A5954

DC/DC CONVERT

FLASH 1Mx8 BIT

DECODER

MICRO CODE KEY BOARD

SDAM 4Mx16BIT

REMOTE

SENSOR

SERVO DSP

MPEG DECODER

RISC CONCROL

8032MCU MT1389E

VIDEO OUT

27.000MHZ

VIDEO DAC

KEY SIGAL

SPINDLE

VELOCITY

ERROR

FE TE DRIVER

DC/DC CONVERT

+9V INPUT

+5V +3.3V

-6-

GENERALALIGNMENT INSTRUCTION

The Main PCB of Monitor Modification:

1. Input voltage is 6.8V-16V, input signal is test circuit BY5418.

2. Adjust VRB1 to get test point: 15720Hz..

3. Adjust VRB2 to get horizontal phase shift.

4. Adjust VR1 to get good performance.

5. Adjust S201. S202 to get good Tint.

The main PCB of DVD Modification:

1. Adjust the brightness to the brightest byVR, adjust video pattern’s color to white, test the screen

Brightness is 200±102 LUX.

With luminometer You can adjust R250 to get this standard.

-7-

TROUBLESHOOTING

LCD

SYMPTOMCAUSE REMEDY

LCD MONITOR PART

1) Picture distortion &Defective capacitor (C201)

&Replace capacitor C201.

2) No Picture &Defective IC (D3031).

&Replace IC D3031.

3) No Picture, Picture no

Good

&Defective Q7, Q8. &Replace Q7, Q8.

4) Color is no good &Defective X202.

&Replace X202.

5) SYNC no good &Defective IC 8D02D. &Replace IC 8D02D.

6) TINTno good &Defective S201, S202

&Replace S201,S202.

7) NO Picture

&Defective IC A8430. &Replace A8430.

8) Picture no good

&Defective CON1. &Replace CON1.

9) Brightness no good

&Defective IC M5237 Q10A. &Replace IC M5237 Q10A.

-8-

DVD

SYMPTOMCAUSE REMEDY

DVD PART

1) No Power &Power source is not correct.

The positive and negative does not

match the unit.

&Power button defective.

&Defective triode U7.

&Replace power source.

&Change the position of

positive and negative.

&Replace power button.

&Replace U7.

2) No Picture &Defective U10 (24C02N).

&Defective U5.

&Defective IC MTK1389E.

&Replace U10 (24C02N).

&Replace U5.

&Replace IC MTK1389E.

3) No Sound &Defective U14 (C4558).

&Defective U1 (14053).

&Defective U2.

&Replace U14 (C4558).

&Replace U1 (14053).

&Replace U2.

4) Sound no good &Defective U14.

&Replace U14.

5) Can not read DISC &Defective U18.

&PICK-up Laser is defective.

&Replace U18.

&Replace pickup.

6) No keyfunction &Defective IC MTK1389E. &Replace IC MTK1389E.

7) No remote control function &Defective REMOTE.

&Keyis Defective.

&Replace REMOTE.

Replace keys.

Remark: Upgrade the firmware step: 1. Rename the file name to “MTK.BIN”;

2. change the CDs name to “MEDIATEK”

3. copythe upgrade firmware file to CDs

4. Playbackthe CDs and according to cue on upgrade

-9-

PRINTED CIRCUIT BOARD

Monitor Main PCB

Top ViewBottom View

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