Hisense PDP4220EU Manuale utente

PDP4220EU

SERVICE MANUAL

(V1.0)

12, 2005

CONTENTS

SAFETY PRECAUTION……………………………………………………………..3

PRODUCT SAFETY NOTICE……………………………………………………….3

SPECIFICATIONS……………………………………………………………… .… 4

MAIN SPARE PARTS…………………………………………………………… … 5

BLOCK DIAGRAM…………………………………………………………………. 6

FUNCTION OF CONJUNCTIONS………………………………………………… 7

SIGNAL DIAGRAM……………………………………………………………… … 10

AUDIO DIAGRAM……………………………………………………………….. …. 11

TROUBLE SHOOTING…………………………………………………………….. 12

SOFTWARE UPDATING…………………………………………………………… 15

STAND INSTALLATION……………………………………………………………. 16

PDP WALL-MOUNTING GUDIE……………………………………………………17

SERVICE MODE MENU……………………………………………………………. 19

PDP4220EU CIRCUIT DIAGRAM…………………………………………………. .21

PDP4220EU BOM LIST………………………………………………………………40

SAFETY PRECAUTION

WARNING:

Service should not be attempted by anyone unfamiliar with the necessary precaution on thisreceiver. The following

are the necessary precautions to be observed before servicing this chassis.

1. When replacing a chassis in the cabinet, always be certain that all the protective devices are put back in place,

such as: non-metallic control knobs, insulating covers, shields, isolation resistor-capacitor network etc.

2. When replacing parts or circuit boards, disconnect the power cord.

3. When replacing a high wattage resistor (oxide metal film resistor) on the circuit board, keep the resistor 10mm

(1/2in) away from circuit board.

4. Connection wires must be kept away from components with high voltage or high temperature.

5. If any fuse in this TV receiver is blown, replace it with the FUSE specified in the chassis parts list.

PRODUCT SAFETY NOTICE

Many electrical and mechanical parts in the chassis have special safety-related characteristics.

These characteristics are often passed unnoticed by a visual inspection.

Replacement parts, which have these special safety characteristics are identified in this manual and its supplement

electrical components having such features are shaded on the schematic diagram and the parts list.

Before replacing any of these components, read the parts list in this manual carefully. The use of substitute

replacement parts, which do not have the same characteristic as specified in the parts list may create shock, fire or

other hazards.

CAUTION: BEFORE SERVICING THE CHASSIS, READ THE “SAFETY

PRECAUTION” “PRODUCT SAFETY NOTICE”ON PAGE 1 OF THIS

MANUAL.

Main Spare Parts

Name Type Part No.

1 Speaker set YD70E-10W16R-B 1021554

2 Speaker set YDQG20-10W8R-B 1021555

3 STAND MODULE PART FF-B12 108214

4 AUDIO MODULE PART

WT2.908.1208 106642

5 main board module WT2.908.1207 106640

6 PORT module PART WT2.908.1209 106644

7 EMI FILTER GLASS 42X20\JK 1024103

8 TUNER PORT KP0178 1004482

9 FRONTCABINET

MODULE PART WTG6.179.222 106655

10 PDP MODUEL PDP42V74010 1030445

11 LVDS LINE HX-5041B400(B) 1025703

12 Remote control EN-20515B 1023570

BLOCK DIAGRAM

XPV02

POWER SWITCH BOARD .632

XPV01

CN8600

CN8611 CN506

JA700 JA400 JA402 JA401

JA108 JA107

REMOTE CONTROLL .630

J110

XP110 KEY BOARD .631

MAIN BOARD.515A

AUDIO BOARD .516A

CN401 CN402

P801 P804 P803 P809 P802 CN101

CN404

FUNCTION OF CONJUNCTIONS

P801-----CN8611

ITEM NAME FUNCTION

1 ACD

2 RLY_ON HIGH LEVEL

3 5VSTB

4 GND

5 VSON HIGH LEVEL

6 5VD

P804---CN8600

ITEM NAME FUNCTION

1 9VSC no use

2 9VSC no use

3 GND

4 5VSC SIGNAL POWER

5 5VSC SIGNAL POWER

6 5VSC SIGNAL POWER

7 GND

8 GND

9 GND P803---JA401

ITEM NAME FUNCTION

1 5VSC NO USE

2 5VSC NO USE

3 5VSC NO USE

4 GND

5 GND

6 GND

7 12VSC MSP3410, TA8851, TDA7053

8 12VSC MSP3410, TA8851, TDA7053

9 GND

10 GND

P809---JA402

ITEM NAME FUNCTION

1 9VSC TUNER POWER

2 GND

P802---JA400

ITEM NAME FUNCTION

1 30 OR 24V TA8200 POWER 30V

2 30 OR 24V TA8200 POWER 30V

3 GND

4 GND

CN401-JA108

ITEM NAME FUNCTION

1 I/O No use

2 GND

3 MUTE Control TA8200 mute

4 VOL Control TDA7053 PWM

5 C_P No use

6 GND

7 GND

8 Y_P

9 Y_M S-VIDEO Y SIGNAL

10 C_M S-VIDEO C SIGNAL

11 V_P No use

12 GND

13 V_M AV SIGNAL

14 GND

CN402---JA107

ITEM NAME FUNCTION

1 ADC2 No use

2 GND

3 GND

4 Y No use

5 GND

6 Pb No use

7 D5v No use

8 Pr No use

9 RxD

10 GND

11 GND No use

12 TxD No use

13 SDA

14 SCL J3

ITEM NAME FUNCTION

1 GND

2 RA1- NO USE

3 RA1+ NO USE

4 RB1- NO USE

5 RB1+ NO USE

6 GND

7 RC1- NO USE

8 RC1+ NO USE

9 RCLK1- NO USE

10 RCLK1+ NO USE

11 RD1- NO USE

12 RD1+ NO USE

13 GND

14 GND

15 RA2-

16 RA2+

17 RB2-

18 RB2+

19 GND

20 RC2-

21 RC2+

22 RCLK2-

23 RCLK2+

24 RD2-

25 RD2+

26 GND

27 DISPEN NO USE

28 SDATA NO USE

29 SCLK NO USE

30 SLE NO USE

31 GND

SIGNAL DIAGRAM

FLI2300

DEINTERLACE

GM1501H

SCARLER

VPC3230

DECODE

TA8851

AV/AU

DIO

SWITC

S-VIDEO

Y_M

V_M

PI5V330Q

SWITCH

Y PB PR

VGA

Y PB PR/VGA

DVI

LVDS TO PANNEL

SC1_VIN

SC2_VIN

SDA5550

CPU

R/G/B

DDR

HY57V643220DT-6 DDR

K4D263238F

FLASH

AM29LV800DT

DVI

EDID 24LC21

39VF040

FLASH

SRAM

IS62WV5128BLL

SC2_Y/C

SC1/RGB/

PI5V330 U401

RGB/FB

ST232C

RXD,TXD

Update flash interface

24LC64 EEROM

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