Kenwood DV-505, DVFR-4050 Service manual

DVD / CD PLAYER

AUDIO

OUTPUT

COMPONENT VIDEO OUTPUT

VIDEO

OUTPUT

S-VIDEO

OPTICAL

COAXIAL

70%

DV-505/DVF-R4050/-S

SERVICE MANUAL

Button(POWER) * (K27-)

Top cover * (A01-)

Front panel * (A60-)

DIN socket (E68-0018-08)

Window * (B10-)

RCA jack (E63-1244-08)

Button * (K27-)

AC power cord bushing (J42-0350-08)

RCA jack (E63-1192-08)

In compliance with Federal Regulations, following are reproduction of labels on, or inside the product relating to laser product safety.

Caution : No connection of ground line if disassemble

the unit. Please connect the ground line on

rear panel, PCBs, Chassis and some others.

RCA jack (E63-1227-08)

AC power cord * (E30-)

* Refer to parts list on page 19 .

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.

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

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.)

The marking is located on the rear panel and says that the component uses laser beams that have been classified 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 operate 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 condition when it left the factory.

1 In

POWER ON

condition, keep the

DISC 3

key and the

(Skip) key pressed at the same time.

2 When 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

3 Press the

DISC 4

key and the

4 key at the same time.

"BYE" will be shown on the display.

4 Press the

ON/OFF

key to go to Power OFF.

5 When Power ON is performed with the

ON/OFF

key, the

settings become the default factory settings.

Accessories

Cautions

Note related to transportation and movement

Before transporting or moving this unit, carry out the following 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 difference in temperature between the previous location, when the humidity of the listening room is high, etc.

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).

Fig. 2

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 (1 reach the lowest position.

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

drawing.

3. Push the tray backward.

so that the traverse unit will

Fig. 1

Fig. 3

Fig. 4

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

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 list sorted by function for MPEG IC(Main IC201)

Port No. Port Name I/O Main Function

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

192

193

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

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

196

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

10 PIO3(4) IR REMOCON I/O Unused

11 PIO3(5) I/O Unused

PIO0(5) SLIDER SENSOR OPEN/CLOSE (CLOSE POSITION) PIO0(6) SLIDER SENSOR OPEN/ CLOSE (DRAWER POSITION) PIO0(7) SLIDER IN (DRAWER CCW/CTRL)

PIO1(2) SLIDER OUT (DRAWER CW/CTRL)

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

I/O PIO0(5)

I/O PIO0(6)

I/O PIO0(7)

SSC0 data (MTSR out/MRST in)

I/O PIO1(2) PARA DVALID

PARA DATA(3)/ CAPTURE IN0

PARA DATA(5)/ CAPTURE IN2

Alternate function

Input Output

UART2 RTS(RTS2)

DV-505/DVF-4050/-S

CIRCUIT DESCRIPTION

Port No. Port Name I/O Main Function

12 PIO3(6) I/O Unused

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

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

Alternate function

Input Output

PARA DATA(6)/ UART1 CTS(CTS1) PARA DATA(7)/ UART2 CTS(CTS2)

COMP OUT1

COMP OUT0

DV-505/DVF-4050/-S

CIRCUIT DESCRIPTION

Port No. Port Name I/O Main Function

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

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

14,37,64,94 119,149,171,198 5,15,38,50,65,83

96,108,121,137 VSS - GND

150,160,172,185,199

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

VDD3.3 - 3.3V Power supply

VDD2.5 - 2.5V Power supply

Alternate function

Input Output

D/A Converter : PCM1748(IC302)

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

+ 16 hidden pages

Kenwood DV-505, DVFR-4050 Service manual

CONTENTS / ACCESSORIES / CAUTIONS

Contents

Accessories

Cautions

DISASSEMBLY FOR REPAIR

BLOCK DIAGRAM

CIRCUIT DESCRIPTION

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

D/A Converter : PCM1748(IC302)