Kenwood RXD-V313 Manual de usuario

MINI HiFi COMPONENT SYSTEM

RXD-V313

SERVICE MANUAL

(XD-V313)

In compliance with Federal Regulations, following are reproduc-

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

safety.

KENWOOD-Crop. certifies this equipment conforms to DHHS

Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.

DANGER : Laser radiation when open and interlock defeated.

AVOID DIRECT EXPOSURE TO BEAM

Refer to RXD-251/301/301E/301W/351/351E/351W/371S/A3

service manual(B51-5454-00), if you require mechanism

operation description in detail.

Please replace with the new pcb and/or mechanism on CD

player if it doesn't work.

DISC 1 DISC 2 DISC 3 076

¢4

ROCK

FLAT

EX.BASS

POP

JAZZ

A B

¶31¡7/08 3 1¡7/08

MC1

MC2

MIN

MAX

MIC VOLUME

ECHO LEVEL

STANDBY

VIDEO CD HIT MASTER

INPUT

ON/STANDBY

TIMER SET

CLOCK

DISPLAY

/DEMO

AUTO/MONOTIMER

BAND TUNING

PHONES

DOWN

AUTO

PRESET

MANUAL

PRESET

RECORDING/ PLAYBACK PLAY BACK

DISC

SKIP

Panel(CD)

(A60-1579-08)

Front glass

(A29-1048-08)

Knob

(K29-7535-08)

Knob

(K29-7534-08)

Knob

(K29-7519-08)

Knob

(K29-7518-00)

Jack(H/P)

(E11-0386-08)

Knob

(K29-7516-08)

Cassette lid(R)

(A53-2104-08)

Front glass(L)

(B10-3451-08)

Front panel

(A60-1575-08)

Knob

(K29-7533-08)

Knob

(K29-7512-08)

Indicator led lens

(B19-1602-08)

Knob

(K29-7521-08) Knob

(K29-7522-08) Knob

(K29-7523-08)

Cassette lid(L)

(A53-2103-08)

Front glass(L)

(B10-3450-08)

Knob

(K29-7515-08)

Knob

(K29-7511-08)

Jack(MIC)

(E11-0387-08)

Knob

(K29-7549-08)

Knob

(K29-7513-08)

RXD-V313(K)COVER1,1(98.12.119:46 y[W 2

123

456

789

0+10

SLEEP/

CLOCK LIGHT DISPLAY

EQ.

REPEAT

RANDOMP.MODECHECKCLEAR

DIGESTZOOMFREEZEHIT MASTER

HIGH SPEED PLAYAUTO PAUSE

SLOWMEMORY STOP

MUTEINPUT

AUTO PBC

MULTIPLEX

AUTO/PAL/NTSCON SCREEN

DISC SKIP

OPEN/CLOSE POWER

EX.BASS

SELECT

TUNING

BAND

7 6

P.CALL

VOLUME

REMOTE CONTROL UNIT

RC-V313

FM indoor antenna (1) AM

(T90-0815-08)

loop antenna (1) AC

(E03-0115-05)

plug adaptor (1)

Remote

(A70-1261-08) : RC-V313

control unit (1)

Batteries (R6/AA) (2)

Use to adapt the plug on the power cord

to the shape of the wall outlet.

(Accessory only for regions where use is

necessary.)

(T90-0801-05)

Operation to reset

The microcomputer 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 microcomputer and return it to

normal condition.

Press the "POWER" key while holding the Stop (7) key of

the CD section pressed, to switch off the power, and then

switch the power on again after a few seconds.

÷Please note that resetting the microcomputer clears the contents

stored in and returns and to condition when it left the factory.

RXD-V313

CONTENTS / ACCESSORIES / CAUTIONS

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

EXTERNAL VIEW........................................................3

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

CIRCUIT DESCRIPTION.............................................5

ADJUSTMENT.............................................................8

WIRING DIAGRAM....................................................10

PC BOARD ................................................................11

SCHEMATIC DIAGRAM............................................15

EXPLODED VIEW .....................................................26

PARTS LIST...............................................................27

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

Contents

Accessories

Cautions

RXD-V313(K)COVER1,1(98.12.119:46 y[W 3

RXD-V313

EXTERNAL VIEW

2BEAT

CANCEL

–

SPEAKERS

(6–16 Ω)

FM 75 ΩAM

ANTENNA

GND AC 220–240VAC 110–120V

AUX

INPUT

AUX

OUTPUT

VIDEO OUTPUT

Antenna terminal(4p)

(E70-0070-08)

Slide switch

(S62-0083-08)

Phono jack

(E63-1076-08)

1P rca jack

(E63-1075-08)

Slid switch beat cancel

(S62-0057-08)

Lock terminal board

(E70-0108-08)

RXD-V313(K)COVER1,1(98.12.119:46 y[W 6

RXD-V313

BLOCK DIAGRAM

CONTROL

A/B

PLAY

AMP

ALC

PLAY

R/P OSC

BIAS

(Q209,L201)

205

Q203, Q204,

206 Q201Q202

TAPE OUT

REC OUT REC IN

DECK A/B SW

Q213

B+

PRESET

EQ.

PRE-AMP

IC403 RL501

Q406,

407

MUTE

SYSTEM

415

VOL1(-10dB)

ATTENUATOR

Q414,

POWER AMP

IC501 +VCC

-VCC

Q504-506

DETECTOR

IC502

SPEAKER

PROTECTOR

+12V

512

Q511,

MUTE

JACK

SPEAKER

HEADPHONES

+5.6V Q702

+7.5V +12V

Q701

Q704

+VCC

SWITCHED

X'FORMER

-12V Q707

+12V

-VCC

CN701

D702

D701

Q705,

706

Q703

LCD DISPLAY

IC601

u-COM

KEY

MATRIX

to CD PCB

CN401

to MAIN PCB

MIX

BUFF

AMP

TUNE

AM ANT

GND

FM ANT AMP

AM RF

TUNE

OSC

ANT RF

IFT

PLL

L.P.F

Q107,108

AMP

RF IC201

u-COM

AMP

Q106

IFT CF1 IF FILTER

AM SECTION

FM SECTION

CF2 OUT

IC102

TUNE

FM RF

OSC

Q102

GND

IC01 LA9241M

RF SIGNAL PROCESSING/SERVO AMP

COMPACT DISC PLAYER

DIGITAL SIGNAL

CD POWER DRIVER

IC04 BA5936S

M'PEG u-COM

IC03 LC867240A

IC02 LC78630E

XTL01

16.9344MHz

NJM4558L

OPAMP

MMOTOR

DISC

MOTOR

FEED

TRAY MOTOR

T/T MOTOR

LIMIT IN

OUTPUT

AUDIO

CONTROL SW

S01-04

Rch

Lch

u-COM

ANALOG SIGNAL PROCESSOR(ASP)

DSP

to VCD BLOCK

FRONT PCB

STANDBY

Q501-503

TUNER

AUX

CONTROL

AMP

IC404

D/A

CLK

CONTROL SRAM

A/D

LPF

BUFF MIX

AMP

MIC

MIC VR

ECHO VR

LOGIC

IC301

Q301 Q302

EX-BASS

CN002 from CD-DSP PCB

LC865632A

IC005

OSD

LC74772V

IC004

LC78010E

VIDEO ENCODER

2SC2785

VIDEO BUFFER

Q001

Q002

2SC2785

FILTER

2SA1175

Q003

VIDEO O/P

IC15

CPU I/F

CD-ROM

DECODER SYSTEM

DECODER MPEG AUDIO

DECODER

MPEG VIDEO

DRAM ARBITER

MPEG DECODER

LC74201E

IC001

CPU

PLL+VCO 54MHz

CN001

IC02

(from CD DSP

LC78630E)

4MBIT DRAM

IC003

UPC424260G5-60-7JF

NTSC/PALL SELECTOR

from CN002

from

MPEG

CN404

VIDEO OUT

JK402

MIC

(1/2)

IC401

412

Q411,

MUTE OUT

AUX

305

Q304, Q306,

307

R/P SWITCHING

AMP

REC

3,28

2,29

1,30

FOCUS

TRACKING

1,30

2,29

3,28

4,27

5,26

6,9

3,13

PTS

MPEG AUDIO

START TRIGGER

16.9344MHz

CD DSP CLOCK

TRACK 1

INFORMATION YUV

17.734475MHz

PAL/ 14.31818MHz

NTSC/

MPEG VIDEO

PTS

MPEG BIT

STREAM

IC201

FM RF IC101

TUNER UNIT CD MECHA. UNIT

AUDIO UNIT/DISPLAY UNIT

RXD-V313

IC402

IC302 IC303

MPEG UNIT

RXD-V313(K)COVER1,1(98.12.119:46 y[W 7

RXD-V313

CIRCUIT DESCRIPTION

No. Name I/O Description Active

1 CE I LC7218, LC75392 CE out

2 RESET-OUT O Reset out IC03 (LC867240A) O

3 DI I LC7218, LC75392, LC78211 data out

4 DO O Data output to LC7218

5 CLK I LC 7218, LC75392, LC78211 clock out

6 DATA-OUT O Serial data out to LC867240A

7 DATA-IN I Serial output of SUBQ 80BIT

8 CLK-OUT O Clock output

9 N/C O No used

10 STB-OUT O Strobe out

11 BUSY-IN I Busy input

12 RESET I Reset signal input O

13 POWER-DOWN I Power down input O

14 GND – GND

15 VSS – Vss

16 X1 – Xtal 6.0MHz

17 X2 – Xtal 6.0MHz

18 VDD1 – Vdd

19~24 K1~K6 I Key input (K1~K4),K5/K6 (No used)

25 MODE-SW2 I Model discrimination

26 MODE-SW1 I Model discrimination

27, 28 GND I GND

29 REMOTE IN I Remote signal input O

30 VR + I VR encoder input A

31 VR - I VR encoder input B

32 PIC-UP I Pick-up SW

33 PIC-DOWN I Pick-down SW

34 DISC-COUNT I Disc counter SW

35 TURNTABLE-SW I Turntable SW

36 TRAY-OPEN I Tray open SW

37 TRAY-CLOSE I Tray close SW

38 TURNTABLE MOTOR + O Turntable motor (+) O

39 TURNTABLE MOTOR - O Turntable motor (-) O

40 TRAY MOTOR + O Tray motor control (+) O

41 TRAY MOTOR - O Tray motor control (-) O

42 MOTOR SPEED O Motor speed control Nor Down

43 LED HIT MASTER O LED control (hit master) O

44 TUNER O

45 CD O

46 AUX O

47 TAPE O No used O

48 FLAT O

49 ROCK O

50 JAZZ O

51 POP O

52~55 S1-S4 O Segment out (1~4)

56 VDD2 – Vdd

57 VSS2 – Vss

58~79 S5~S26 O Segment out (5~26)

80~82 BIAS3~1 – GND

1. Microprocessor : (IC601, LC867224A-5H95)

1-1. Pin description

RXD-V313(K)COVER1,1(98.12.119:46 y[W 10

No. Name I/O Description Active

1 N/P SEL OUT O NTSC/PAL sel out to IC004 (LC78010E) O

2 RESET OUT O IC001 (LC74201JE) reset out

3 DI I DI (IC001, LC74201JE)/SIN (IC005, LC74772V)

4 DO O DO (IC001, LC74201JE)

5 CL I Clock (IC005, LC74772V)

6 DATA OUT O Data out to IC601 (LC867724A)

7 DATA IN I Data input from IC601 (LC867724A)

8 SCK I Clock out from IC601 (LC867724A)

9 STB IN I Strobe input from IC601 (LC867724A)

10 BUSY OUT O Busy out to IC601 (LC867724A)

11 MIRQ I MIRQ (LC74201JE) O

12 RESET I Reset input

13, 14 I/P – Vss

15 VSS – Vss

16, 17 CF1/CF2 – Xtal 6.0 MHz

18 VDD – Vdd

19 FUNCTION 4/3 – Vss

20 8300/8301 – Vss

21 MULTI 9/16 – Vss

22 IM DRAM – Vss

23~26 – – Vss

27 WRQ I Sub-code Q input stand by

28, 29 – – Vss

30 VIDEO LED O LED control (Video) O

31~37 N/C – No used

38 VDD CONTROL O MPEG Vdd control Other CD

39~55 N/C – No used

56 VDD – Vdd

57 VSS – Vss

58~73 – – No used

74 SL + O Sled motor control (+) O

No. Name I/O Description Active

83~86 COM-0~3 O FL Common 0~3

87 FM-STEREO I FM stereo signal input Mono Stereo

88 SYN REC I Synchro start input O

89 VSS3 – Vss

90 VDD3 – Vdd

91 POWER-SW O Power SW out On Off

92 SYS-MUT O System mute out Off On

93 TU-MUT O Tuner mute out On Off

94 FUNCTION-TAPE O No used

95 LCD-BACK-LIGHT O LCD back light control On Off

96 N/C I No used

97 VR-1 O VR step extend out 1step Others

98 REC-MUTE O IC03 (LC867240A) rec out mute On Off

99 EX-BASS O EX-bass control On Off

100 VOICE O Voice cancel out Off On

2. MPEG Microprocessor : LC867240A (CD PCB, IC03)

2-1. Pin description

RXD-V313

CIRCUIT DESCRIPTION

RXD-V313(K)COVER1,1(98.12.119:46 y[W 11

RXD-V313

CIRCUIT DESCRIPTION

No. Name I/O Description Active

75 SL - O Sled motor control (-) O

76 SPEED B O Speed control terminal to IC01 (LA9241)

77 SPEED A O Speed control terminal to IC01 (LA9241)

78 AUDIO MUTE O Audio mute control On Off

79 MUTE O IC04 (BA6536S) mute control CD Other

80 PIC LIMIT SW I Pic limit switch input O

81~86 – – Vss

87 CQCK O Command clock output to IC2 (LC78630E)

88 DAT O Command output to IC2 (LC78630E)

89 VSS – Vss

90 VDD – Vdd

91 SQ OUT I Sub-code Q input from IC2 (LC78630E)

92 RWC O IC02 (LA9241), CE

93 RES O Chip reset out to IC2 (LC78630E)

94 DRF I DRF from IC01 (LA9241)

95, 96 N/C – No used

97 CE O CE to IC001 (LC74201JE)

98 VOE O VOE to IC001 (LC74201JE)

99 CS O CS to IC005 (LC74772V)

100 RESET OUT O Reset out O

PORT SW 1 SW 2 SW 3 SW 4 SW 5 SW 6 SW 7 SW 8 SW 9 SW 10

Pin 19 Power Input Clock Timer Timer – EQ Off Rock Jazz Pop

(K1) Set Mode Set

Pin 20 Tuning Tuning Band Auto/ Auto Manual EX Bass – – –

(K2) Up Down Mono Preset Preset

Pin 21 CD CD – – Disc Disc 1 Disc 2 Disc 3 Open –

(K3) AMS + AMS - Skip Close

Pin 22 CD CD Play – – – – – – – –

(K4) Stop Pause

4. All LCD light on mode

• The all LCD light up when the STOP key and TIMER SET key are pressed simultaneously, while the power is ON.

• When the ON/STANDBY key is pressed, the all LCD light on mode is canceled.

3. Key matrix

RXD-V313(K)COVER1,1(98.12.119:46 y[W 14

RXD-V313

ADJUSTMENT

FM 75 ΩAM

ANTENNA

GND

(A)

(C)

(D) AM-SG

FM-MPX-SG

POLAR SG Dummy antenna

Oscilloscope

AC voltmeter

(B)

Distortion meter

TO TUNER UNIT

CN101, pin 9 (Lch)

pin 7 (Rch)

pin 8 (GND)

NO.

ITEM

INPUT

SETTING

OUTPUT

SETTING

TUNER

SETTING

ALIGNMENT

POINTS

ALIGN FOR

FIG.

(A)

98 MHz,1 kHz MOD

±75 KHz (DEV)

60dBu(ANTINPUT)

(B)

98MHz

T101

Maximum output

(Minimum distortion)

LOWEND

TRACKING

(A)

87MHz, 1 kHz MOD

±75 kHz (DEV)

35dBu( ANT INPUT)

(B)

87MHz

L102

Maximum output

HIEND

TRACKING

(A)

108MHz,1 kHz MOD

±75 kHz (DEV)

35dBu(ANTINPUT)

(B)

108MHz

TC101

Maximum output

–

Connect the DC

voltage meter to

TP2.

87.5 MHz

L103

VT=1.0V±0.05V

108MHz

–

Check the

VT=7.0V±1.0V

NO.

ITEM

INPUT

SETTING

OUTPUT

SETTING

TUNER

SETTING

ALIGNMENT

POINTS

ALIGN FOR

FIG.

(D)

531 kHz 1 kHz,

30%MOD

60dBu(ANTINPUT)

(B)

531 kHz

T102

Maximum output

(Minimum distortion)

LOWEND

TRACKING

(D)

531 kHz 1 kHz,

30%MOD

30dBu(ANTINPUT)

(B)

531 kHz

L104

Maximum output

HIGHEND

TRACKING

(D)

1602 kHz 1 kHz,

30%MOD

30dBu(ANTINPUT)

(B)

1602 kHz

TC102

Maximum output

–

Connect the DC

voltage meter to

TP2.

531 kHz

L105

VT=1.2V±0.05V

1602 kHz

–

Check the

VT=7.3V±1.0V

FM SECTION

MW SECTION

INSTRUMENTS CONNECTION

RXD-V313(K)COVER1,1(98.12.119:46 y[W 15

RXD-V313

ADJUSTMENT

NO.

ITEM

INPUT

SETTINGS

OUTPUT

SETTINGS

CASSETTE TAPE

DECK SETTINGS

ALIGNMENT

POINT

ALGN FOR

FIG.

Unless otherwise specified : each ; switch should be set as follows : 0dBs = 0.775V

BEAT SW : OFF

I. Cassette mechanism section (REC/PB head adjustment)

[1]

Demagnetization

and cleaning

–

PowerOFF,

demagnetization,

cleaning play

REC/PB head,

erase head.

capstan, pinch

roller

Demagnetize the REC/PB

head by head eraser. Clean

the REC/PB head, erase

head capstan and pinch

roller with a cotton swab

immersed in alcohol.

[2]

REC/PB head

azimuth

MTT-114,

TCC-153

SCC-1727

10 kHz, -10dB

(A)

PLAY

Azimuth

adjustment

screw

In a setting wher the output

is maximized, adjust the

azimuth adjustment screw

so that the Lissajous figure

appearing on the oscilloscope

screen comes near to a line

slanted45°Note : The head

should be installed in such a

manner that it approaches the

tape face.

II. PC board adjustment

<1 >

Tape speed

MTT-111

TCC-100

SCC-1727

3 kHz, -4 dB

(A)

PLAY

SFR201

Adjust so that Frequency is

3 kHz at the center of the

tape.

<2 >

Playback level

TCC-120

315 Hz 0dB

(A)

PLAY

Approx. -5dBm

ƒreference level

<3 >

Recording level

Put standard

test tape

(TCC-120)

into B deck.

Put standard

blank tape

into A deck.

(A)

Dubbing and

playback.

Approx. -5dBm

ƒreference level

CASSETTE DECK SECTION

Oscilloscope

Frequency counter

AC voltmeter

{

PIN2

IC401

(A)

MAIN UNIT

INSTRUMENTS CONNECTION

RXD-V313(K)COVER1,1(98.12.119:46 y[W 18

RXD-V313

CASSETTE DECK

RECORD SWITCH

MOTOR

UNIT

SWITCH A

UNIT

SWITCH D

UNITSWITCH C

UNIT

CD MECHA.

UNIT

CD MECHA.

ASS'Y

HEADPHONE

MIC MIX UNIT

AUDIO UNIT

DISPLAY UNIT

UNIT

SENSOR

CONTROL

UNIT

SWITCH B

TRANSFORMER

POWER

AC CORD UNIT

MECHA. ASS'Y

MPEG

BOARD

RXD-V313(M/I)

TUNER UNIT

CN101

CN03 CN402

FM 75

GND

JK101

CN101

CN01 CN01

CN02 CN02

CN05

CN16CN16

CN06

CN08

CN18CN18

CN205

CN204 CN204

CN206 CN206

CN201

CN202

CN203

CN302

MIC1

MIC2

HEADPHONES

CN401 CN401

CN601CN601

CN604 CN604

CN403 CN403

CN302

CN501 CN501

SPEAKERS

Rch

Lch

OUT

JK501

Rch 2

Lch 1

INPUT

JK401

CN701

GND

CN19 CN19

S701

CN701

T/T

MOTOR

CN010

CN10

AUX

Rch 4

AUX

OUTPUT

Lch 3

CN06CN04

JK402

OUT

VIDEO

CN002CN001

CN003

CN405 CN405

1515

PT701

P4 P8

P1 T4AL 250V

T2AL 250V

240V

220-

110-

120V

50/60Hz

220-240V~

AC1

AC2

121

111112

112111

F702

F703

: AC110-120V/

(M,I)

WIRING DIAGRAM

RXD-V313(K)COVER1,1(98.12.119:46 y[W 17

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