Zenith ZDA311 - Slim Progressive Scan DVD Service Manual - Block Diagrams

3-21

BLOCK DIAGRAMS

1. Overall Block Diagram

M

M

DISC

SP

INDLE

MOT

O

R

LO

A

D

ING

MO

T

O

R

D

V

D : 

A,

B,

C,D,RF0

CD : 

A,

B,C,

D,

E,F,RF0

MDI1

PIC

K

UP

KEY

 In

put

B/

Pb

IC

502

M

X

29

LV800

T

/B

1M

8BI

T

FL

A

S

H R

O

M

ROMAD[0:

19]

ROMRD

ROMWR

MD[00:15]

FL

FR

CVBS

R/

Pr

G/Y

RL

RR

CE

N

T

E

R

WO

O

F

ER

TV_DAC[0:3]

Y

C

L/R

FL

FR

RL

RR

CE

N

T

E

R

WO

O

F

ER

5V

A

C

 90V~240V

50H

Z/60H

z

12V

27

M

H

z

5.6V

A

IC5

0

4

A

T

24C02

A

EE

PRO

M

IC30[

2,3.4]

KA

553

2

OP-A

M

P

RC

90

1

R/C

LOAD[+,-]

F[+,-

]

T[+,-

]

SPE[+

,-]

SLED

(FEEDING)

MO

T

O

R

SL[+,-]

M

VD33

D

V33

A

VD18

A

/V

D

33

A

3V3M

/5V

MIC

R

L

VIDEO BUFFER

R

S

232_TXD/MIC_D

E

CT

IECD

AOUT

COAX

IA

LSPD

I

D2

_

T

[1

:3

]

SC

AR

T_

1

6

:9

RGB_

S

E

L

LD01,LD01,V20

5.6V

A

LIMI

T

TRIN TROU

T

ROMDAT

A[0:7]

5V

IC

901

LED DRI

V

E

R

IR

POW

ER

BOARD

PO

WCT

L

 H

DM

U

T

E

IIC/VFD/D

A

C

_

S

C

K

IC5

0

3

1M

16

B

IT

SDR

A

M

VD33

D

MA[00:11]

DMCL

K

CS

J

BA

0

BA

1

DQM

WE

J

CA

S

J

RA

S

J

IIC/VFD/D

A

C_TXD

IC501

MTK 1389D

+

12V

YC_

MIX

S

E

R[0:2],D

AC_ML1

TROP

EN ,TRCLOS

E,FOS

O,TRSO,F

MSO,DM

SO

DAC_

R

S

T

PICK

_SEL

, VR

_C

D,VR

_D

VD

IOA

OP

+

,O

P

-

CN5

0

3

RS2

3

2

RS

232_RXD

3.3V

3.3V

A

IC3

0

1

C

S

4360

(6D

A

C)

IC2

0

1

IP

9

0

0

8

ST

B

Y

OPU_SE

L

JA

C

K

DIG901

LED

IC

801

BA

330

8

+

12V

IC

601

AM

P

L/R

RX

D

VD

1

8

A