Akai DVR-4030-VSMK Service manual

DVD HOME THEATRE SYSTEM

Model:

DV  R4030VSMK

SERVICE MANUAL

www.akai.ru

A A

B B

C C

D D

10PIN 2.5

10

5

L8

FB 0805

LDO_AV33

0.1u

C20

0.1u

GND

4

3

+

C17

220u

LDO_AV33

L26 FB 0805

L9 FB 0805

MO_VCC

0.1u

MO_VCC

0.1u

AVCC+PS5V

C18

AVCC

+C19

220u

+PS5V

PV33

PV33

L5

FB 0805

RFV33

C14

+

C11

220u

RFV33

+5V

L6 FB 0805

VCC

C12

VCC

+C13

220u

CN1

123456789

+12V

SD33

-12V

AVDD

+P12V

-P12V

+5V

PV33

+5VA

PV33 DV33

L1 FB 0805

AZ1117H-1.8 NC

U1

IN

GND

OUT

VR

2

134

R222

0

R223 NC

C233

NC

C1

C7

0.1u

C8

220u

C9

0.1u

0.1u

+

V18

V18

+

L4 FB 0805

C2

220u

DV33

-P12V

L2

FB 0805

DVDD

Audio +12V

Audio 5V

Digital 3.3V

Audio -12V

Audio 5V

SDRAM

Audio DAC

OP AMP.

Audio DAC

OP AMP.

DV33

AVCC

V18

RF 5V

Laser Diode 3.3V

PICKUP HEADER

MT1389EDigital 1.8V

NAME

VCC

Digital 3.3V

Digital 5V

Servo 3.3V

SUPPLY

MT1389E

MT1389E

5 AUDIO - WM8746, VIDEO FILTER

TYPE

DEVICE

2 RF / SERVO - MT1336E

4 MEMORY - SDRAM, FLASH/EEPROM

3 MPEG - MT1379E

RFV33

LDO_AV33

MT1389C DVD Board for SONY KHM310 PUH

1 INDEX & POWER, RESET

5

4

3

C5

+5VA

+5VA VCC_AUDIO

L7

FB 0805

C16

0.1u

VCC_AUDIO

+

C15

220u

2

URST#

DV33

123

U10

AAT3522 NC

GND

REST

VDD

Title

Size Document Number Rev

Date: Sheet of

INDEX

1

1 5Friday, August 27, 2004

GND

MO_VCC

GND [ 2,3,4,5 ]

MO_VCC[ 2 ]

100u

+12V

RFV33

-12V

VCC_AUDIO

LDO_AV33 [ 2 ]

RFV33 [ 2 ]

+12V [ 4,5 ]

-12V [ 4,5 ]

VCC_AUDIO [ 5 ]

0.1u

-12V +12V

+

C3

220u

+P12V

L3

FB 0805

C6

0.1u

+

C4

220u

D3

1N4148

1 2

C10

+

URST#

AVCC

LDO_AV33

VCC

AVCC [ 2 ]

DV33 [ 2,3,4,5 ]

VCC [ 2,3,4,5 ]

DV33

R1

10k

URST#

DV33

V18

V18 [ 2 ]

URST#[ 2 ]

2

1

1.0C