VT-4018_

VT-4018 Service Manual

CUSTOMER MODEL: VT-4018

Table of Contents

General Section..........................................................................................2-5

Caution/Warnings

Safe Warnings

Precautions

Software Upgrade

Circuit Diagram and Component Layout.......................................................6-33

MPEG IC Block Diagrams

Power supply Circuit Diagram and Component Layout

MPEG Circuit Diagram and Component Layout

Front panel Circuit Diagram and Component Layout

Karaoke Circuit Diagram and Component Layout

Servicing Procedures...............................................................................34-41

Power Supply Trouble Service Flow Chart

Read Disc Trouble Service Flow Chart

Video Trouble Service Flow Chart

Composite Analogy Audio Trouble Service Flow Chart

Digital Audio Trouble Service Flow Chart

Front Control Trouble Service Flow Chart

Remote Control Trouble Service Flow Chart

Karaoke Trouble Service Flow Chart

Exploded View of the set

Parts List.............................................................................. ..................42-46

Power Part List

MPEG Part List

Front Panel Part List

Karaoke Part List

1.3.2. DVD Loading Unit Precautions When handing the

Mechanism Block

1.3.2.1 Do not loosen any screws in the Pickup Block.

1.3.2.2 Do not adjust any screws in the Mechanism Block except for

Tilt Adjust Screws , as they are adjusted precisely at the factory.

1.3.2.3 Replacement of the Pickup Block is impossible. Always repl-

ace the Traverse Ass s when the Pickup Block needed to be replace .

Do not touch the lens or lens holder of the Pickup Block.

1.3.2.4 The Guide Rails of the Pickup Block are greased. Take care wh-

en handing.

1.3.2.5 When you try to slide the Pickup Block, do not press or pull it

directly, Always turn the dive gears with your fingers.

1.3.2.6 Be sure that the anti-slipping rubber on the turnable or clean.

If there is dust or it is greasy,clean the part with the liquid that contains

50% each of alcohol and water.

1.3.2.7 When removing the Mechanism P.C.B. Ass s, you need to sho-

rt-circuit the laser diode shorting lands beforehand.

1.4. Software Upgrade

You can upgrade DVD player using the software we provide as following step:

The CD-R update is below lists:

First, burn CDR for upgrade. Dummy files are needed minimum 20Mbytes.

The burning software is Nero burning soft:

1. Volume name: MEDIATEK

2. Files name and type: MTK.BIN ( This file must locate Root directory)

3. CD-R burn type(formate): ISO9660

Model 1

ISO1 (level 1)

don t choice Jolient

don t choice loosen ISO strict

Notice: MEDIATEK and MTK.BIN are upper case.

The CD upgrade process:

After the servo read the CD-R data ,Show Message on TV :

UPGRADE FILE DETECTED

UPGRADE ?

PRESS PLAY TO START

Press play key , Show Message on TV

UPGRADE ?

PRESS PLAY TO START

File Copy

The tray is automatic to open, take disc away.

UPGRADE ?

PRESS PLAY TO START

upgrading

At this time, please wait a few minutes, DVD is downloading code to flash, After

Logo will be show on TV again, the update process finish.

Notice: During upgrading , don s turn off power.

Displaying the software Version Number

After opening the tray, press the following keys on the remote control ,

DISPLAY (Up) (Down) (Left) (Right)

then the software version number appears.

2. Circuit Diagram and Component Layout

Table1: MT1389E Pin Description

Table1: MT1389E Pin Description (continued)

Table1: MT1389DE Pin Description (continued)

Table1: Mt1389DE Pin Description (continued)

Table1: MT1389DE Pin Description (continued)

3. Servicing Procedures

3.1. Power Supply Trouble Service Flow Chart

Power Supply Block Trouble

Check on D4/D20/D23/D24Output Voltage Condition

Check on U1 Pin3

Voltage Condition 13-18V

Check on D8/C14

Replace U1 Replace T1

Check J1/CON4/CON6

Output Voltage

Check FUSE1 Condition Replace FUSE1

3.2. Read Disc Trouble Service Flow Chart

Read disc problem in a DVD player is a very complicated issue that may involve

complex issues. This problem is not only relation to the electronic circuit, but

also very much relation to the operation environment.

DVD loading unit is a very complicate part that contains big number of ESD com-

ponents , which require specific equipment, tools and technique to repair; In ge-

neral, service technician is not suggested to disassemble the DVD loading unit.

It is suggest proving the trouble and replacing the complete DVD loading unit, in-

stead of repairing the DVD loading unit in local workshop.

It is suggested to prove the faulty of a DVD loading unit by replacement by a good

DVD loading unit.

Before checking the NO DISC Trouble, ensure excluding the following possi-

bilities:

The test disc is damage.

AC power supply voltage dropped below the minimum required level.

DVD disc region code and color system is not matching to the DVD player or

system setting.

Moisture condensed inside the unit. (Power on the unit, without disc loaded,

for 1 / 2 to 2 hours).

Service Flow Chart

Read DISC Trouble

Check DVD LOADER

Connector Condition

Replace DVD Loading Unit

Check the MPEG ATAPI

I/F Interface Circuit

Replace Connector

Check the other Parts by

Replacement Method

Composite Video Trouble

3.3. Video Trouble Service Flow Chart

3.3.1. Composite Video Trouble Service Flow Chart

Check SETUP Item

Check L36 Output Signal

Check Q16 Signal

Check C145 Signal

Check AV-S Pin Signal

Replace AV-S

See User Manual

Replace L36 Parts

Replace Q16

Replace C145

Check External Set

3.4. Composite Analogy Audio Trouble Service Flow Chart

Composite Analogy Audio Trouble

Check U2 Pin184/Pin186 Signal

Check U2 Pin165\167 +3.3V

Output Voltage

Replace U2Check L13 C29 C30

and power supply

Check AV1 Signal

Check U2 between

U11Parts

Replace

Check Q18 Q19 Mute Parts

Supply

3.5. Digital Audio Trouble Service Flow Chart

Digital Audio Trouble

Check SETUP Item

Check U2 Pin159 Signal

Check C155/R113 Signal

Check R114 Signal

Check AV1

See User Manual

Replace U2

Replace

Check R114 /C209/

C230/R115

Replace AV1Check External set

3.6. Front Control Trouble Service Flow Chart

Front Control Trouble

Check between CON2 and CON3 Connection

Replace

Check 1U1 Pin 14/27/38 +5 Voltage

Check 1U1

SEG Signal

Check Power Supply

Replace LED

Replace 1U1

Check CON2 and CommectionNG

Check 1U1 Pin 5/8/9 Replace 1U1NG

3.7. Remote Control Trouble Service Flow Chart

Remote Control Trouble

Check Remote Control

Check 1IR2 Pin3 Voltage

Check 1IR2 Pin1 Output

Signal

Check between CON2 and

CN4 connection

Replace 1U1

Replace Battery Replace Control

Check Power Supply

Replace 1IR2

Replace

3.8. Karaoke Trouble Service Flow Chart

Karaoke Control Trouble

Check 2R6 Signal

Check U1 Pin1 output

Check U1 Pin2 input

Check the between 002Aboard and

004A board connection Replace CON2

Check power supply

Replace

Replace U1+12V

Replace 4N1 +12VCheck 4R3 Signal

Check Power Supply Check Ic4051 Pin3 Signal

Check IC4051 Input 4R1

Check MIC1\4R2\4C6 parts

4 Parts List

4.1 Power Parts List

4.2 MPEG Parts List

4.2 MPEG Parts List (continue)

4.3 Front Panel Parts List

4.4 Karaoke Parts List

1 2 3 4 5 6

654321

Number RevisionSize

Date: 7-Apr-2005 Sheet of File: J:\ \DVD .DDB原理图原理图 Drawn By:

HER107

T1AL 250V

FUSE2 RV1

K-POWER

CD4400V/22UF

HER107

12345678

SM02659R

104C13 10

C5223J

HER3003

D25HER107

C6101/1KV

C19 104

5404R61K

CD20220UF/16V

R7 330

D26HER107

D15 HEF107 C9104CD16

100UF/25V

R9 4.7

6.2V/1W

R10 R11 R12

1.8K*3

C229.1V

KA431AZ

R142.2K

R152.2K

-9V-21V

R16240

R1733K

220/16

NPNR18

102/400V

C3 103

MT1389DE DVD Demo Board for HD62PUH

Audio +12V

Digital 3.3V

LDO_AV33

SUPPLY

Audio 5V

MT1389E

PICKUP HEADERMT1389EDigital 1.8V

Audio DAC

OP AMP.

Digital 3.3V

Audio -12VAVDD

MT1389E

Digital 5V

Audio DAC

DEVICE

Audio 5V

Servo 3.3V

Laser Diode 3.3V

OP AMP.

INDEX 1.0

COMMOND89_HD62C

1 5Thursday, June 02, 2005

Size Document Number Rev

Date: Sheet of

MediaTek Incorporation

A_MUTE

3.3V+5VA

3.3V DV33

VCC_AUDIO

PV33 RFV33

LDO_AV33

+5VA VCC_AUDIO

A_MUTE

VCC_AUDIO [ 5 ]

VCC [ 2,3,4,5 ]

V18 [ 2 ]

URST# [ 2 ]

GND [ 2,3,4,5 ]

-12V [ 4,5 ]

+12V [ 4,5 ]

DV33 [ 2,3,4,5 ]

AVCC [ 2 ]

A_MUTE [ 5 ]

-12V +12V

LDO_AV33

VCC_AUDIO

FB 0805

+C2220u

123456789

10 D31N4148

FB 0805

C180.1u

C70.1u

D1 1N40041 2

C10.1u

L4 FB 0805

FB 0805

+ C11220u

C120.1u

D2 1N40041 2

+C19220u

AZ1117H-1.8 NC

C140.1u

+ C17220u

FB 0805 +C13220u

+C10100u

C90.1u

C200.1u

L9 FB 0805L8

FB 0805

L6 FB 0805

L1 FB 0805

+C8220u

VIDEO INTERFACE

CFLASH

Pin assignment version 1.5

AUDIO INTERFACE

Very Importantto reduceNoise

2SB1132

2N3904

MEMORY

TO FRONT PANEL

RF&MEPG 1.0

COMMOND89_HD62C

Date: Sheet of

TDO TRCLOSE

Y[1..6]

MA[0..11]

TDI TROUT

ASPDIF

ASDAT[0..2]

IOADQS0

DQ[0..31]

WE#RAS#

A[0..21]

HSYNC#

TMS TRIN

BA[0..1]

AD[0..7]PRD#

MUTE_DAC

TCK STBY

AUX3_1

DQM[0..3]

RESET#

VSYNC#

DACVDD3

TEZISLV

DACVDD3

TROPEN

ADINXO

TRCLOSE

TROPEN

TxDRxD

USBVDD

USBMUSBVDD

URST#DV33USBMUSBP

PLLVDD33

AVCC [ 1 ]

DV33 [ 1 ]URST# [ 1 ]

DQ[0..31] [ 3 ]MA[0..11] [ 3 ]

RAS# [ 3 ]

V18 [ 1 ]

PWR# [ 3 ]

ASDAT[0..2] [ 5 ]

BA[0..1] [ 3 ]DQM[0..3] [ 3 ]

PCE# [ 3 ]

HSYNC# [ 4 ]

SDA [ 3 ]

ACLK [ 5 ]

WE# [ 3 ]

ABCK [ 5 ]ASPDIF [ 5 ]

DCKE [ 3 ]DCLK [ 3 ]

PRD# [ 3 ]

SCL [ 3 ]

A[0..21] [ 3 ]AD[0..7] [ 3 ]

Y[1..6] [ 4 ]

ALRCK [ 5 ]

VCC [ 1 ]

MUTE_DAC [ 5 ]

CS# [ 3 ]

CAS# [ 3 ]

AUX3_1 [ 5 ]

RESET# [ 4 ]

VSYNC# [ 4 ]

GND [ 1,2,3,4,5 ]

MO_VCCVCC

MO_VCC

DV33V18

LDO_AV33

MO_VCC

MO_VCC MO_VCC

R37 100K

Q9SS8050

R24560

R22 10

R62 10k

C3210u

R63 470R

R57 20k

C2733p

CN26P 2.0

123456

C101390p

HEADER-5 (2.00mm)

R54 10k

R9680k

R5810K

R12 1k

R64 470R

0.015u

Q52SB1132

R102 0

C60 1u

2.7uH 0805

C93150p

R5920k

R204 0

C2280.1uF

R45 4.7R

Q78550

C98150p

R53 15K

FB 0805

Q68550

L22FB 0805

C229 121

R4 100k

R52 18K

R15150k

R32 100K

CN36P 2.5mm

123456

C70 NC

C2833p

FB 0805

C68 NC

+ C7747u

R33 10K

R16 NC

Q22SK3018

10uH 0805

R40 NC

C61100p

R60 20K

CN75P 2.00mm

BA5954

111718

PVCC1PGND

CF2CF1

VOFC+VOFC-

PGNDVNFTK

VINSL+VINSL-

VOSL-VOLD+VOLD-

VINLDPREGND

CTK1VINTK

R41 NC

+ C522UF

R51 20K

C63 1u

R205 0

C250.1u

R17150k

R6510K

C381000p

C710.1u

R2 750k

HD60-24SMD

123456789101112131415161718192021222324

C990.1u

R34 10K

+ C211100uF/16v

L20FB 0805

R212.2R

C760.1uF

C73 0.1uF

C64 NC

C48 NC

L17FB 0805

R6810K

Q42SB1132

C21 390P

R99 6.8

FB 0805

+C57100u

R206 0

Q13904

R43 4.7R

C62 1u

R55220

C39 0.1u

R11 NC

R56220

R61 10k

+ C10047u

C24 2200p

R203 33R

C302200p

CN64P 2.0 mm

10uH 0805

R14680k

Q32SK3018

R39 NC

C59 1u

Q8SS8050

MT1389

1011121314151617181920212223

33343536

75747271706968

878664

65 8483828173 93

53545556

67 9285

76 78 907966 77 94 95 96 97 98 99 100

192191190189188187186185184183182181180179178177176175174173172171170169

167168

166165164163162161160159158

156157

155154153152151150

148149

147146145144143

141142

140139138137136

134135

133132131130

4748495051

DVDBDVDCDVDD

DVDRFIPDVDRFINMAMBMCMDSASBSCSDCDFONCDFOPTNITPIMDI1MDI2LDO2LDO1

V2REFOSGND

VREFOV20

TEOFEO

USB_VSS

RFLVL/RFONCSO/RFOP

TEZISLVOP_OUTOP_INNOP_INP

FOOTRO

TROPENPWMPWMOUT1/V_ADIN9

USB_VDD3

FMODMO

HIGHA0

DVDD18

DVSSAPLLCAP

APLLVSS

IOA2IOA3IOA4IOA5

IOA6IOA7

IOA18IOA19

IR INT0

YUV0/CINFS

VREFDACVDDC

RD16RD17RD18RD19RD20RD21

DVDD3RD22RD23

DQM2DQM3RD24RD25DVSSRD26

DVDD18RD27RD28RD29RD30

DVDD3RD31/ASDATA5

RA4RA5RA6

DVSSRA7

DVSSRA8RA9

RCLKCKE

DVDD3RCLKB

RVREF/V_ADIN3DVDD18

RA3RA2

DVSSRA1

RA0RA10

BA1DVSS

DVDD3RCS

RASCAS

RWEDQM1DQS1

DVSSRD8

RD9RD10RD11DR12

FG/V_ADIN8TDI/V_ADIN4TMS/V_ADIN5TCK/V_ADIN6TDO/V_ADIN7

R29 10k

A ATSOP 48 pin

NC:RN3.RN5.RN7.RN9.R215.R217.R219

NC:RN2.RN4.RN6.RN8.R216.R218.R220Normalmode:use RN3.RN5.RN7.RN9.R215.R217.R219

Casecade mode:use RN2.RN4.RN6.RN8.R216.R218.R220

SDRAM&FLASH 1.0

COMMOND89_HD62B

Date: Sheet of

A9DQ11

DQ7DCLK

AD[0..7]

MA3MA4

A20DRAS#

DWE#DCAS#

AA20PRD#

MA1DQ0

DQ[0..31]DQM1

DQM[0..3]

PWR#PRD#

BA[0..1]

MA[0..11]

MA6 DCKE

A16DRAS#

A[0..21]

A19A18

AD4AD3

DDBA1DDQ15

DQ6DQ5

MA7DQ24

DQ8 DDQ8DDQ7

DQ14DQ15

DQ19DQ18

MA9DDQ8

DQM2DRAS#

MA4DQ3 DDQ3

PWR#[ 2 ]

WE#[ 2 ]RAS#[ 2 ]

DCLK[ 2 ]

A[0..21][ 2 ]

BA[0..1][ 2 ]

PCE#[ 2 ]

DV33 [ 1 ]

AD[0..7][ 2 ]

MA[0..11][ 2 ]

PRD#[ 2 ]

CS#[ 2 ]

GND [ 1,2,3,4,5 ]

CAS#[ 2 ]

SDA[ 2 ]SCL[ 2 ]

DQM[0..3][ 2 ]

DCKE[ 2 ]

VCC [ 1 ]

DQ[0..31][ 2 ]

DV33FVCC

L27 FB 0805

R215 0

ESMT M12L16161A-?

15161718

21222324

272829303132

DQ0DQ1

DQ2DQ3

DQ4DQ5

DQ6DQ7

VCCQDQML

WECASRASCS

BA/A11A10

A0A1A2A3

A4A5A6A7A8A9

CKECLK

DQ8DQ9

DQ10DQ11

DQ12DQ13

DQ14DQ15

RN6 0x41 23 45 67 8

R72 33

L28 NC

R74 33

R76 NC

R218 0

0.1uRN3 0x41 23 45 67 8

ESMT M12L64164A-?TSOP54

16171819

23242526

293031323334

48505153

DQ0DQ1

DQ2DQ3

DQ4DQ5

DQ6DQ7

WECASRASCS

A11A10/AP

A0A1A2A3

A4A5A6A7A8A9

CKECLK

DQ8DQ9

DQ10DQ11

DQ12DQ13DQ14DQ15

BA0/A13BA1/A12

R75 10k

RN2 0x41 23 45 67 8

RN1 33x41 23 45 67 8

R220 0

+ C113

R70 NC

R217 0

0.1u+ C104

R216 0

EEPROM 24C16

1234 5

NCNCGND SDA

RN5 0x41 23 45 67 8

RN4 0x41 23 45 67 8

L29 FB 0805

ESMT M12L16161A-?

15161718

21222324

272829303132

DQ0DQ1

DQ2DQ3

DQ4DQ5

DQ6DQ7

VCCQDQML

WECASRASCS

BA/A11A10

A0A1A2A3

A4A5A6A7A8A9

CKECLK

DQ8DQ9

DQ10DQ11

DQ12DQ13

DQ14DQ15

R219 0

MX29LV800

2524232221201918

29313335

384042443032

3639414345

A0A1A2A3A4A5A6A7A8

BYTEA18

D0D1D2D3

D4D5D6D7D8D9

WP/ACC

D11D12D13D14D15

GND1WE

A12A11

A13A14A15A16A17

RN7 0x41 23 45 67 8

+ C120

RN8 0x41 23 45 67 8

R73 33

RN1 0x41 23 45 67 8

Flash 8M, SST-40TSOP

2120191817161514

25262728

32333435

239 39

A0A1A2A3A4A5A6A7A8

D0D1D2D3

D4D5D6D7

VSSWE VSS

A12A11

A13A14A15A16A17

RESETRY/BY

R71 33

R69 NC

+ C122

VIDEO OUT PORT 1.0

COMMOND89_HD62Custom

Date: Sheet of

RESET#

Y[1..6]

ASPDIF

COAXIAL

ASPDIF COAXIAL

OPTICAL

RESET# [ 2 ]

GND [ 1 ]

VCC [ 1 ]

Y[1..6] [ 2 ]

ASPDIF [ 2 ]

COAXIAL [ 5 ]

G/Y [ 5 ]

B/U [ 5 ]

R/V [ 5 ]

+5VV+5VV

R10975 1%

C138 NC

C15147p

D51N4148

C1270.1u

D101N4148

D121N4148

L30 1.8uH 0805

Q138550

R115110

C129 NC

R105 NC

C1530.1u

R97150 1%

D71N4148

D141N4148

R11175 1%

R108150 1%

R101 4.7k

1.8uH 0805

C15247p

CP2S-video

R93 NC

+ C143

D91N4148

C15627p

Q143906

R94150 1%

C1450.1u

C130 NC

C1280.1u

D111N4148

R83 NC

R10075 1%

R86150 1%

D61N4148

C137 NC

C147 NC

Q103906

D41N4148

C13247p

Q123906

Q153904

R84150 1%

R81 NC

R8775 1%

CP1RCA1

Q113906

C148 NC

1.8uH 0805

CP3OPTICAL

GNDVCCINNCNC

C13147p

L33 FB 0805L35

1.8uH 0805C140

R91 NC

R8975 1%

C1460.1u

R117 22

1.8uH 0805

L32 NC

Q163906

D131N4148

C1360.1u

R116 22

C1350.1u

1.8uH 0805

D81N4148

Q173906

R103 NC

R106150 1%

R9875 1%

D151N4148

HARDWARE:IIS 24BIT

AUDIO OUT PORT 1.0

COMMOND89_HD62C

Date: Sheet of

AUX3_1

VSYNC#

HSYNC#

A_MUTE

A_AVDD

A_DVDD

ALRCKABCK

SDAT1ASDAT0

SLRCKSBCLK

ASDAT2

A_AVDD

A_DVDD

A_AVDD

ASDAT1

VCC_AUDIO

MUTE_DAC

ASDAT[0..2]

AUX3_1

A_MUTE

COAXIAL

A_MUTE

COAXIAL

B/UG/Y

HSYNC#VSYNC#

A-RA-L

A_MUTE

MUTE_DAC A_MUTE

R/V[ 4 ]

G/Y[ 4 ]

B/U[ 4 ]

HSYNC#[ 2 ]

VSYNC#[ 2 ]

ASDAT[0..2][ 2 ]

-12V[ 1 ]

ALRCK[ 2 ]

ACLK[ 2 ]

ABCK[ 2 ]

VCC[ 1 ]

+12V[ 1 ]

MUTE_DAC[ 2 ]

VCC_AUDIO[ 1 ]

AUX3_1[ 2 ]

A_MUTE[ 2 ]

COAXIAL[ 4 ]

GND[ 1,2,3,4 ]

A_AVDD

A_DVDDVCC_AUDIO

R133180k

C167 10u

C2071000p

C160 10u

C173 10u

R1751k

C172 220p

R137 NC

R1405.1k

C198 10u

L42 FB 0805

Q243904

10,0805

C20120p

R1851k

Q233906

Q30SS8050

L40 FB 0805

R129 22k

U12WMA8766

212223242526

MCLKBCLKLRC

DIN1DIN2DIN3

ML/I2SMC/IWL

MD/DMMUTE

TESTREF1

VOUT1LVOUT1RVOUT2LVOUT2RVOUT3LVOUT3R

NJM4558 OPA

R160 10k

C2081000p

NJM4558 OPA

C181 10u

R170 1k

NJM4558 OPA

Q203904

R131 5.1k

C166 220p

C191 10u

R150 33

C157 220p

R167 10k

R156180k

Q253904

C2091000p

R141100

R148 1k

R18418k

Q28SS8050

C19620p

R178180k

R142 33

R157100k

H2CIRDIN_9-R

H3CIRDIN_9-R

C174 10u

R18210k

C2040.1u

C1640.1u

R190 4.7k

R171 100k

R176100

R149 33

R1745.1k

C18420p

R151 33 + C177

R126 1k

NJM4558 OPA

+C20247u

+ C159

D201N4148

+ C165

C2051000p

R165 NC

C161 10u

L43 FB 0805

R138 0

R1881M

C190 10u

C189 220p

R122 5.1k

R189 1k

C17620p

NJM4558 OPA

R1624.7k

R168180k

R132100

C1622200p

R180 1k

R16110k

R147100k

C199 10u

R144 33

H1CIRDIN_9-R

C168 10u

L41 FB 0805

R1813.3k

R166100

CN911P 2.0mm

123456789

1234567891011

Q273904

C17020p

R1874.7k

D16 1N41481 2

R158 1k

R183 ?

R124180k

Q31SS8050

L39 FB 0805

Q268550

Q183904

R1862.4k

R125100k

NJM4558 OPA

Q223906

Q193904

+C185470u

D191N4148

R177 7.5k

C197 220p

Q213904

R120 22k

R143 33

10,0805

C16320p

C20347u

CN82P 2.5 m/m

R135 1k

+C20610u

L38 FB 0805R123100

R19147k

C180 220p

C182 10u

D181N4148

R145 NC

Q29SS8050

R155100

D17 1N4148

R146180k

R179100k

1 2 3 4

IC2 22P

1C1 22P

1N4148

KEY3 12KEY4 13VDD 14SG1 15SG2 16SG3 17SG4 18SG5 19SG6 20SG7 21SG8 22GID434

GID335

GID236

GID137

LED439

RMBUF40

LED142

PT6312

2.8V 2.8V~

VFD-0604

拟制

审核

标准化

批准

显示/控制电路原理图

版本: A

存放路径: D:\VCD

QiSheng

R4 10K

R114.7K

R124.7K

1c4100uf/10v

Q29015

BEE1蜂咪器

R8200R

R73.3K

Q39014

双色灯

R6 220R

100UF/10V

R1710K

4C1 30P

4R3 1K

4R6 27K

2C2 20P

2R6 750R

2R547K

DVD-8207 OK卡拉板电原理图

4R5470R

MIC 4R210K

4R17 15K

4R18 100K

4R15 1K

4R14 5.1K

4R9 2.7K

4R10 10K

4R11 33K

1 162 153 144 135 126 117 108 9

4R16 10K

4R13 1K4R71K

VOL BVOL C

4R12 1K4R8 1K

2R7471

4558U1

2R4 1K

2C11UF/10V

0R 2R1810K 1 16

2 153 144 135 126 117 108 9

U2 40512R33 2.7K

2R32 1K

2R43 5.1K

2R38 15K

2R31 100K

2R34 10K

2R39 33K

1K2R351K

2R36 1K

2R41 1K +9V

2C131UF/10V

2C14103

1 162 153 144 135 126 117 108 9

2C7561 2R10 10K

2C9332

2R11 12K

2C6 220UF/16V

D15.1V

4R1220R

2C1947UF/10V

2R21 15K

2C20 104

2C5 104 2C10

2R12 10K

2R13 10K

2R15 10K

2C12392

2R14 4.7K

2C11100P

1UF/10V

VT-4018_

Documents

Transcript of VT-4018_

Semiconductor Device Engineering and Crosslight TCAD · Auto Extraction of Threshold Voltage by CrosslightView Vt=0.876V Vt=0.486V Vt=1.16V Vt=0.653V Vt=1.56V Vt=0.793V Vt=2.142V

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IRAN WOODEX - PersianGigcdn.persiangig.com/dl/QEnXE/FEK0x47Pqr/watermark_MDF-Yeldiz-katalog.pdf · Modena VT-530 Ozigo VT-029 Rustik Meşe VT-509 Sacramento Meşe VT-546 Safir Meşe

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VT de en - LFB · 2014. 11. 29. · VT Vibrationspflug Vibrotiller VT2-280.9+4 . VT Vibrationspflug | Vibrotiller agriworld VT 2 – 2-reihige Zinken Der Vibrationspflug Modell VT