Kenwood DV-505 Manuel utilisateur

DVD / CD PLAYER

DV-505/DVF-R4050/-S

SERVICE MANUAL

B51-5758-00 (K/K) 3445

Front panel *

(A60-)

Window *

(B10-)

AUDIO

OUTPUT

COMPONENT

VIDEO OUTPUT

VIDEO

OUTPUT

S-VIDEO

OPTICAL

COAXIAL

DIN socket

(E68-0018-08)

Top cover *

(A01-)

*Refer to parts list on page 19 .

In compliance with Federal Regulations, following are repro-

duction of labels on, or inside the product relating to laser

product safety.

KENWOOD-Corp. certifies this equipment conforms to DHHS

Regulations No.21 CFR 1040. 10, Chapter 1, subchapter J.

DANGER : Laser radiation when open and interlock defeated.

AVOID DIRECT EXPOSURE TO BEAM.

Caution : No connection of ground line if disassemble

the unit. Please connect the ground line on

rear panel, PCBs, Chassis and some others.

Button *

(K27-)

Button *

(K27-)

Button *

(K27-)

Button(POWER) *

(K27-)

RCA jack

(E63-1244-08)

AC power cord bushing

(J42-0350-08)

AC power cord *

(E30-)

RCA jack

(E63-1227-08)

RCA jack

(E63-1192-08)

70%

DV-505/DVF-4050/-S

CONTENTS / ACCESSORIES / CAUTIONS

CONTENTS / ACCESSORIES / CAUTIONS............. 2

DISASSEMBLY FOR REPAIR....................................3

BLOCK DIAGRAM ......................................................4

WIRING DIAGRAM .....................................................5

PC BOARD..............................................................10

SCHEMATIC DIAGRAM...........................................14

EXPLODED VIEW....................................................21

PARTS LIST.............................................................23

SPECIFICATIONS......................................Back cover

Contents

Cord RCA 1p

(E30-7235-08)

Cord RCA 3p

(E30-2990-08)

Remote control unit (1)

(A70-1570-08)

Batteries (R03/AAA) (2)

*AC plug adaptor (1)

(E03-0115-05)

* Use to adapt the plug on the

power cord to the shape of the

wall outlet.

(Accessory only for regions

where use is necessary.)

Note related to transportation and movement

Before transporting or moving this unit, carry out the follow-

ing operations.

1. Set the POWER key to ON without loading a disc.

2. Wait a few seconds and verify that the display shown

appears.

3. Set the POWER key to OFF.

Beware of condensation

When the difference between the internal temperature of the unit

and external atmosphere is large, dew (mist) may be produced on

the internal parts of the unit. In such a case, turn the unit ON and

leave it for a few hours until the condensation has dried up.

Be especially careful in the following conditions:

When the unit is brought into a place where there is a large differ-

ence in temperature between the previous location, when the

humidity of the listening room is high, etc.

The marking is located on the rear panel and says that

the component uses laser beams that have been clas-

sified as Class 1. It means that the unit is utilizing laser

beams that are of a weaker class. There is no danger of

hazardous radiation outside the unit.

CLASS 1

LASER PRODUCT

The marking of products using lasers

(Except for some areas)

Operation to reset

The microprocessor may fall into malfunction (impossibility to oper-

ate erroneous display, etc.) when the power cord is unplugged while

power is ON or due to an external factor. In this case, execute the

following procedure to reset the microprocessor and return it to

normal condition.

÷Please note that resetting the microprocessor clears the

contents stored in, it returns the microprocessor to the condi-

tion when it left the factory.

1In

POWER ON

condition, keep the

DISC 3

key and the 44

(Skip) key pressed at the same time.

2When both keys are pressed, the region code of the unit, the

software version, etc. will be displayed on the display. (When

nothing is done, the display of this information continues.)

Example: 71 . 16 . 06:14

3Press the

DISC 4

key and the 44

4key at the same time.

"BYE" will be shown on the display.

4Press the

ON/OFF

key to go to Power OFF.

5When Power ON is performed with the

ON/OFF

key, the

settings become the default factory settings.

Cautions

Accessories

Attention

Please contact our KENWOOD Service Department in your

side if you want the service information; Circuit Description.

Full Described Parts list and so. Information is available to

you by internet from us.

DV-505/DVF-4050/-S

DISASSEMBLY FOR REPAIR

1. How to open the tray if it does not come

out. (Fig. 1)

1. Turn the gear ccw in the direction of the arrow in the

drawing through the hole on loading chassis bottom.

2. Pull out the tray frontward by hand when it comes just out.

2. How to Remove the Tray (Fig. 2)

1. Remove the front panel, front chassis, power supply and

the left mecha. frame.

2. Pull out the tray frontward (1) to match the dent of tray

(2) to the protrusions of the mecha. base (3).

3. Remove the tray upward (4).

3. How to assemble the Tray (Fig. 3,4)

1. Adjust the position of the plastic cam lifter (1) and main

gear (2) in the drawing (1so that the traverse unit will

reach the lowest position.

2. Attach the tray in the direction (3, 4) of the arrow in the

drawing.

3. Push the tray backward.

Fig. 1

Fig. 3

Fig. 4

Fig. 2

ADDR

F-WE

F-RESET

F-DE

D-RAS0-

ADDR

RDNOTWR

DATA

D-CAS0-

D-CAS1-

+3.3V DIGITAL VCC

F/E SDATA

EXIT-DATA

+3.3V-RESET

F/E SCL

EXIT-BCLK

EXIT-DATAVALID

EXT-PSTART/ERROR

+12V MOTOR VCC

+8V MOTOR VCC

+5V DIGITAL VCC

SLIDER-IN(DRAWER-CCW-CTRL)

SLIDER-OUT(DRAWER-CW-CTRL)

SLIDER-OPEN/CLOSE(POWER-POSITION-P1)

+12V ANALOG VCC

+8V ANALOG VCC

+5V DIGITAL VCC

-8V ANALOG VCC

+12V MOTOR VCC

5V FRONT

+8V MOTOR VCC

+3.3V DIGITAL VCC

: AC240V~ 50Hz

: AC230V~ 50Hz

(X)

(T,E)

: AC110-120V/220-240V~

: AC120V 60Hz

50/60Hz

(K,P)

(Y,M)

F-CE

F-OE(DRAM OE)

-27V

FL AC

+5VS

STBY ON/OFF CNTL

IR REMOCON

+5.6VS

VFD DATA OUT

VFD STB

VFD DATA IN

PCM1748E-DATA

LRCLK

BCK

PCMCLK

PCM1748E-CS

PCM1748E-CLK

AUDIO-MUTE

CVBS-OUT

Y-OUT

R(Cr)-OUT

C-OUT

B(Cb)-OUT

G(Y)-OUT

SPDIF

PIXCLK-27MHz

SCL

SDA

VIDEO-MUTE

VFD CLK

DATA

IRQ2

POWER CTL

L AUDIO

R AUDIO

GND

BLUE-OUT

GREEN-OUT

RED-OUT

CVBS-OUT

L-CH OUT

R-CH OUT

IC201

STI5519

FLASH MEMORY

IC401

8MBIT

SST39VF800505

HY57V651620

SDRAM-64MBIT

IC301

F/E & MECHA

TVM MECHA

SMPS

IC901

CXP825P400-1

DAC

PCM1748KE

L.P.F

BA4560

IC303-A-A

MIXED

MUTE

VIDEO

JK803-A

S-VIDEO

JK803-B

JK701

RCA 3V

COAXIAL

JK801

IC805

BUFFER

OPTICAL

IC501

74HCU04

M24C02

EEPROM

IC202

SCART PART

RCA PART

HNV-06SS75

125MHz

L.P.F

MIXED

R-CH

L-CH

BUFFER

& B.N.F.

BUFFER

& B.N.F.

BUFFER

& B.N.F.

BUFFER

& B.N.F.

BUFFER

& B.N.F.

BUFFER

CVBS-OUT

Y-OUT

C-OUT

R(Cr)-OUT

B(Cb)-OUT

G(Y)-OUT

CVBS-

TV SCART

JK804

ONLY

(E,T) TYPE

EXCEPT

DIGITAL OUT

MPEG

DV-505,DVF-R4050

DV-505/DVF-4050/-S

BLOCK DIAGRAM

DV-505/DVF-4050/-S

CIRCUIT DESCRIPTION

Port No. Port Name I/O Main Function Alternate function

Input Output

Audio DAC

51 DAC SCLK O Over sampling clock EXT AUD CLOCK

52 DAC PCMOUT0 O PCM out 0 EXD AUD DATA

53 DAC PCMOUT1 - PCM out 1(Unused) EXT AUD REQ

54 DAC PCMOUT2 - PCM out 2(Unused)

55 DAC PCMCLK I/O PCM clock

56 DAC LRCLK O Left/Right clock EXT AUD WCLK

57 SPDIF OUT O SPDIF out

48 VDD PCM - VDD(+3V3)

49 VSS PCM - GND

Clock & Reset

124 RESET I Chip reset

122 VDD PLL - VDD PLL

123 VSS PLL - GND

120 PIX CLK I 27MHz main clock

PIOs and communication

186 PIO0(0) T STROBE I/O PIO0(0) UART0 data

187 PIO0(1) MOD SW I/O PIO0(1) ATAPI RD

188 PIO0(2) O Rotary motor (+)

189 PIO0(3) O Rotary sen

190 PIO0(4) O Disc sen

191 PIO0(5) SLIDER SENSOR

OPEN/CLOSE (CLOSE POSITION) I/O PIO0(5)

192 PIO0(6) SLIDER SENSOR OPEN/

CLOSE (DRAWER POSITION) I/O PIO0(6)

193 PIO0(7) SLIDER IN

(DRAWER CCW/CTRL) I/O PIO0(7)

194 PIO1(0) SDA I/O PIO1(0) SSC0 data

(MTSR out/MRST in)

195 PIO1(1) SCL I/O PIO1(1) SSC0 clock

196 PIO1(2) SLIDER OUT

(DRAWER CW/CTRL) I/O PIO1(2) PARA DVALID

197 PIO1(3) TXD(JIG) I/O PIO1(3) UART2 TXD

200 PIO0(4) RXD(JIG) I/O PIO1(4) UART2 RXD

201 PIO1(5) FRONT TXDI I/O PIO1(5) PARA SYNC UART1 RXD

202 TRIGGER IN I/O Trigger in for DCU

203 TRIGGER OUT I/O Trigger out for DCU

204 PIO2(0) H/P IND - Unused

205 PIO2(1) FRONT RXD I/O PIO2(1) PARA SYNC

206 PIO2(2) - Unused

207 PIO2(3) - Unused

208 PIO2(4) AUDIO MUTE I/O Audio mute

1 PIO2(5) RGB SEL(BLANK) I/O RGB sel. (blank)

2 PIO2(6) VIDEO MUTE I/O Video mute

3 PIO2(7) 16: 9 INDICATOR I/O 16 : 9 indicator

6 PIO3(0) SCART H(TV/AUX) I/O PIO3(0) PARA DATA(0)

7 PIO3(1) POWER CTL I/O PIO3(1) PARA DATA(1)

8 PIO3(2) I/O Unused PARA DATA(2)

9 PIO3(3) I/O Unused PARA DATA(3)/

CAPTURE IN0

10 PIO3(4) IR REMOCON I/O Unused

11 PIO3(5) I/O Unused PARA DATA(5)/

CAPTURE IN2 UART2 RTS(RTS2)

Port list sorted by function for MPEG IC(Main IC201)

DV-505/DVF-4050/-S

CIRCUIT DESCRIPTION

Port No. Port Name I/O Main Function Alternate function

Input Output

12 PIO3(6) I/O Unused PARA DATA(6)/

UART1 CTS(CTS1) COMP OUT1

13 PIO3(7) DVD RESET I/O PIO3(7) PARA DATA(7)/

UART2 CTS(CTS2) COMP OUT0

39 PIO4(0)HP MUTE - Unused

40 PIO4(1) - Unused

41 PIO4(2) - Unused

42 PIO4(3) DAC RESET - Unused

43 PIO4(4) PLL CS - Unused

44 PIO4(5) DAC CLOCK O DAC clock

45 PIO4(6) DAC DATA O DAC data

46 PIO4(7) DAC CS I/O PIO4(0~7) YC(0~7)

Reserved

20 B WCLK I/O Unused

21 B V4 I/O Connected to GND

22 NRSS OUT I/O Unused

103 ADC SCLK I/O Unused

104 ADC LRCK I/O Unused

105 ADC DATA I/O Unused

106 ADC PCMCLK O Unused

EMI Interface

161~170 CPU ADR(1~10) O ADR(1~10)

173~183 CPU ADR(11~21) O ADR(11~21)

141~148 CPU DATA(0~7) I/O DATA(0~7)

151~158 CPU DATA(8~15) I/O DATA(8~15)

138 CPU RAS1 I/O Unused

131 CPU WAIT I Connected to GND

130 CPU RW O Unused

128 CPU BE(0) O BYTE 0 ENABLE

129 CPU BE(1) O BYTE 1 ENABLE

139 CPU CAS0 O Unused

140 CPU CAS1 O Unused

135 CPU CE(0) O Unused

134 CPU CE(1) O Unused

133 CPU CE(2) O Chip Sel. BANK2

132 CPU CE(3) O Chip Sel. BANK3

118 CPU PRO CLK O SDRAM clock

117 CPU OE I/O Output enable

Interrupt

127 IRQ(0) I Unused

126 IRQ(1) I Unused

125 IRQ(2) I IRQ(2) (MD IRQ)

Timers

116 PWM0 I/O Unused HSYNC

115 PWM1 I/O Pulse width modula o Boot from ROM3

114 PWM2 I/O Unused VSYNC

JTAG

113 TCK I Test clock

112 TDI I Test data in

111 TDO O Test data out

110 TMS I Test mode select

109 TRST4 I Test reset

Front-end

16 B DATA I 12S data SER Data

17 B BCLK I 12S bit clock SER BCLK

DV-505/DVF-4050/-S

CIRCUIT DESCRIPTION

Port No. Port Name I/O Main Function Alternate function

Input Output

18 B FLAG I 12S error flag DVD SER VALID

19 B SYNC I 12S selector/ABS time SER SYNC

Video DAC

27,26,25 R/G/B (OUT) O R/G/B output

32~34 Y/C/CV (OUT) O Y/C/CV output

29 I REF RG I I REF DAC RGB

28 V REF RG I V REF DAC RGB

36 I REF YCC I I REF DAC YCC

35 V REF YCC I Y REF DAC YCC

23 VDD RGB - YDDA RGB = 2.5V

24 VSS RGB - GND

30 VDD YCC - YDDA YCC = 2.5V

31 VSS YCC - GND

Shared memory interface

69~66 SMI ADR(0~3) O Address bus SDRAM

58~63 SMI ADR(4~9) O Address bus SDRAM

70~73 SMI ADR(10~13) O Address bus SDRAM

84~93

97~102 SMI DATA(0~15) I/O Data bus SDRAM

74,75 SMI CS(0,1) O Chip select bank 0,1

76 SMI RAS O RAS SDRAM

77 SMI CAS O CAS SDRAM

78 SMI WE O SDRAM write enable

79,80 SMI DQML, U O DQ MASK EN LOW, UP

82 SMI CLKIN I SDRAM clock in

95 SMI CLKOUT O SDRAM clock out

Power supply

4,47,81,107

136,159,184 VDD3.3 - 3.3V Power supply

14,37,64,94

119,149,171,198 VDD2.5 - 2.5V Power supply

5,15,38,50,65,83

96,108,121,137 VSS - GND

150,160,172,185,199

Pin No. Pin Name I/O Description

1 BCK I Audio data bit clock input.

2 DATA I Audio data digital input.

3 LRCK I Audio data latch enable input.

4 DGND - Digital ground.

5 VDD - Digital power supply (+3.3v).

6 VCC - Analog power supply (+5v).

7 VOUTL O Analog output for L-channel.

8 VOUTR O Analog output for R-channel.

9 AGND - Analog ground.

10 VCOM - Common voltage decoupling.

11 ZEROR O Zero flag output for R-channel.

12 ZEROL O Zero flag output for L-channel.

13 MD I Mode control data input.

14 MC I Mode control clock input.

15 ML I Mode control latch input.

16 SCK I System clock input

D/A Converter : PCM1748(IC302)

DV-505/DVF-4050/-S

CIRCUIT DESCRIPTION

Pin No. Pin Name I/O Description

38 CLK I The system clock input. all other inputs are registered to the SDRAM

on the rising edge of CLK

37 CKE - Controls internal clock signal and when deactivated,the SDRAM

will be one of the states among power down, suspend or self refresh.

19 CS - Enables or disables all inputs except CLK, CKE, and DQM.

20,21 BA0,BA1 - Selects bank to be activated during RAS activity.

Selects bank to be read/written during CAS activity.

22~26 A0~A11 - Row address : RA0~RA11, Column address : CA0~CA7

29~35 Auto-precharge flag : A10

16,17,18 WE,CAS,RAS - WE, CAS and RAS define the operation.

15,39 LDQM,UDQM I/O Controls output buffers in read mode and masks input data in write mode.

2,4,5,7,8,10

11,13,42,44 DQ0~DQ15 I/O Multiplexed data input/output pin.

45,47,48,50

1,3,9,14,27 VCC/VCC Q - Power supply for internal circuits and input buffers.

43,49

10 VSS/VSS Q - Ground terminal.

36,40 NC - Unused.

64 Bit SDRAM : HY57V651620B(IC301)

Pin No. Pin Name I/O Description

25,24~16,8~1 A0~A18 I Address Inputs

29,31,33,35 DQ0~DQ7 I/O Data Input/Outputs, Command Inputs

38,40,42,44

30,32,34,36 DQ8~DQ14 I/O Data Input/Outputs

39,41,43

45 DQ15 I/O Data Input/Outputs or Address input

26 CE - Chip Enable

28 QE - Output Enable

11 WE - Write Enable

12 RP - Reset/Block Temporary Unprotect

15 RY/BY o Ready/Busy/Output

47 BYTE - Byte/Word Organization

37 VCC - Supply Voltage

27,46 VSS - Ground

Flash Memory : M29F400T-90N1(IC401)

Block Diagram for D/A Converter

BCK

LRCK

DATA

MDI

SCK

Serial

Input

I/F

Oversampling

Digital Filter

with

Function

Controller

Enhanced

Multi-level

Delta-Sigma

modulator

Function

System

Clock

Manager

System Clock

Zero Detect Power Supply

Control

I/F

DAC Output Amp and

Low-pass Filter

Vout L

Vout R

Vcom

Output Amp and

Low-pass Filter

DAC

ZERO L

ZERO R

VDD

DGND

VCC

AGND

DV-505/DVF-4050/-S

12319

231

: AC240V~ 50Hz

: AC230V~ 50Hz

(X)

(T,E)

: AC110-120V/220-240V~

: AC120V 60Hz

50/60Hz

(K,P)

(Y,M)

115115

112

1212

(19)

CP201

CP205

CC202

CN1

JK804

JK803-A

JK803-B CN4

Rch

Lch

COAXIAL

JK802

JK801

CN1

CN3

CN901

CN902CN201

CP203

TEST JIG UNLOAD

CP202

IC805

OPTICAL

CN205

VIDEO

OUTPUT

VIDEO OUTPUT

COMPONENT

DIGITAL OUTAUDIO

OUTPUT

CP903

CN903

CN206P406

CN904

CN905

B08

MAIN BOARD

MECHA

F/E BOARD

OUTPUT BOARD

POWER

SUPPLY(SMPS)

FRONT BOARD

DV-505,DVF-4050

OPEN/CLOSE

BOARD

CONNECTION

WIRING DIAGRAM

ACEG IBDFHJ

L909

L912

L913

L914

R950

R943

R949

R947

R945

R944

R942

R946

R902

R926C908

R927

R901

L902

C905

L905

D906

C904

J914

24 25

1IC901

C903

R912

R922

R923 R931

R913

R932

R940R939

R938

R933

C911

R911

R921

R805

123

C804

R806

R804

R815

C801

R801 R802

R807 C803

R808

R820

C817R

R873 R872

R876

R877

R874

R819R

R829

R865

R803

R863

PAL OPTION

R864

R827L

R827R

R875

R826R

J892

J894

Q801

Q803R

Q815

Q802

Q803L

R719 R717

C716

R718

R708

R709

C717

R720

R721

R705

R722 C718

R702

R730 R723

L706

L703

R714

R715

C17

J891

D710

D705

D706

D709

D708

D707

D701

D702

Q702

Q704

C821

L705

R716

R731

R701

J890

Q701

C817L

R819L

R724

L704

J943

J944

J945

J909 DISC4

DISC2DISC1

DISC SKIP SEQUENCE MODE

FAST REWARD FZST FORWARD

DISC3

PLAY/PAUSE

LUG92

DISC5

X901

J940

C916

C909

138

OPEN/

LUG91

C907

C906

C901 RM901

J937

J910

L901

J906

J942

J907

J941

J920

J912

J924 15

J917

J918

J928

L904

L903

CN901

CN902

FRONT BOARD

CONNECTION BOARD

D907

CN905

FL901

CN904

SW905

SW917 SW921 SW924 SW927

SW907

CN903

SW901

SW911 SW913

SW915

SW903

CP903

SW930

IC902

C802

C822 R826L

C720

J17

J58

J14

J40

121

220

C719 C703

J736

J13

L801

J10

J11

J16

J57

C714

C713

LUG701

L804

J1 D711

CN01

CP01

JK803

JK804

IC805

JK801

JK701

JK802

C715

OUTPUT BOARD

OPTICAL

DIGITAL OUT

COAXIAL OUTPUT

AUDIO

OUTPUT

VIDEO

OUTPUT

VIDEO

COMPONENT

Refer to the schematic diagram for the value of resistors and capacitors.

PC BOARD(Component side view)

7 8

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