Zenith P50W38P Service Manual download pdf (Page 25)

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BLOCK DIAGRAM

IC501

Rembrandt-I

Scaler

5V/3.3V/1.8V #11

IC404

FLI2310

De_interlace

3.3V/2.5V #10

IC201

AD9888

ADC

3.3V #3

IC401

VPC3230(M)

Decoder

5V/3.3V #9

IC202

Sil169B

TMDS_RX

3.3V #4

IC502/503/504

K4S643232E

SDRAM (8Mbyte)

3.3V #12

IC502/503/504

K4S643232E

SDRAM (8Mbyte)

3.3V #12

YUV 16 bit

15Pin

D_SUB

PC- IN

IC701

R8820LV

CPU

3.3V #13

IC703

MX29LV160B

Flash-ROM (2MByte)

3.3V

IC702

K6R4016V1C

SRAM (512KB)

3.3V

21PIN

For

LG

50

PDP-50

IC301

uPD64083

3D- Comb

9/5/3.3/2.5 #8

DVI- I

IC405

K4S643232E

SDRAM(8Mbyte)

3.3V #7

9PIN

RS- 232C

IC750

DS232AS

RS-232C

5VST

PORT_EXTEND

(74LVC244/74LVC574)

3.3V #14

15Pin

D_SUB

PC- OUT

IC101

CXA2089

SWITCH

Y/C

AV1

L/R for

Component

IC302

LA7151

SWITCH

IC104

OPA3682

AMP

5V #1

RGB /HV

H/V

RGB

B

TX0` ,TX1`

TX2` ,TXC`

D0` ,D1`

D2` ,IDK`

RGB

A

H/V/CLK/ FIELD

TXD0,1

RXD0,1

SVHS

BNCBNC

IC101

MSP3440

Sound

Processor

IC105

LA4282

AUDIO AMP

PC L/R

L/R

L/R

L/R for SVHS,BNC

2,3

rd

Pin(T1,R1)

:Control/Download

4,6

th

Pin(T2,R2)

:Debugging

IC601

Sil160

TMDS_TX

3.3V #16

Y/Pb/Pr(480i)

1H R/G/B

COMPONENT Y/Pb/Pr

IC402

74LS123

5V #9

Monostable Multivibrator

Y,Pb,Pr (480p

` ) : high

Y,Cb,Cr (480i) : low

YUV 16 bit

#: the number of the circuit schematic

Indicate even/odd

for de_interlace

24

24

8

8

T.M.D.S :

Transition Minimized

Differential Signaling

PHIL KIM 2003.02.13

Wired _OR

50 KK PDP VSC Block Diagram

A/V Interface

Comp 480I/P,ID_AT

ID_PAL/NTSC,

FAN ALARM,KEY

CH1

CH0

U-Com

ID

Y/Pb/Pr

(480P¸¨ )

Y/C

Y/C

AV

PC L/R

CXA2089 L/R OUT

IC752

74ACT253

5VST

¸ł IR

Y/C

STB L/R from LST - 2200

STB L/R

FLI2310

De_interlace

3.3V/2.5V #6

K4S643232E

SDRAM(8Mbyte)

3.3V #7

RGB(PC)

RGB(DTV)

YUV

(Video)

VPC3230(S)

Decoder

5V/3.3V #5

AV

AV

Y/C

Buff

T541 #6

24

24

16

Scart1

R/G/B

Scart2

Half

IC101

CXA2089

SWITCH

S2_V, L/R

Y/C

PAL

Sync signal for R/G/B,L/R

SVHS

L/R for SVHS

NTSC

Y/C

Y/C

1H R/G/B

RGB

74HCT08

TX

"

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