Sony Xr-6380 User manual

SERVIC

US

Model

XR-6380/6387

Canadian

Model

XR-6380

TUNING

-@-

FADER

PUSH

SEE;

PULL

MEMORY

Be

Ny

ie

Photo:

XR-6380

SPECIFICATIONS

AUDIO

POWER

SPECIFICATIONS

POWER

OUTPUT

AND

TOTAL

HARMONIC

DISTORTION

Model

Name

Using

Similar

Mechanism

|

KR-6200

Tape

Transport

Mechanism

Type

MG-36AHJ-32

12

watts

per

channel

minimum

continuous

average

power

into

4ohms,

4

channels

driven,

from

20

to

20,000

Hz

with

no

more

than

1%

total

harmonic

distortion.

Other

Specifications

Sung

ange

Se

7

RH

Antenna

terminal

*

~-":

~

External

antenna

connector/Power

antenna

relay

control

lead

Seneitivly.

oe

ea

Power

amplifier

section

General

Outputs

©

yrt4c?

+.

%|

Speaker

outputs

(sure

seal

connectors)

Speakerimpedance;

4

é-Bonms

SS

SCSC~*Y

Maximum

power

output

224

25

Wx

4

(at

4

ohms)*

*

Measured

at

14.4

V

Fone

contrals

*2..<

weeied

Bass

+8

dB

at

100

Hz

MN

:

c="

1

Treble

+8dB

at

10

kHz

Output

connector,

-]

Graphic

equalizer

i

8

:]

input/output

cords

:

44

(LINE

IN,

LINE

OUT)

Ing

dimensions:

41.178

x

50

x

145

mm

:

i

Pe

Ras

SARTRE

(W/h/d)

:

sil

seca

ss

&.

2]

(7¥ax

2x

5%

Inches)

.

cr

S

1.5

kg

(3

Ib

5

02)

‘Accessories

supplied

©"

~”

Mounting

hardware

(1

set)

Cassette

player

section

Tuner

section

FM

runing

tae

2

.

Dolby

noise

reduction

manufactured

under

license

from

Antenna

terminal

:

Usable

sensitivity

2885

Dolby

Laboratories

Licensing

Corporation.

Selectiity

ee

yi

“DOLBY”

and

the

double-D

symbol

Df]

are

trademarks

of

Signal-to-noise

ratio

iis

-

2

i

0.8%

(stereo),

0.5%

(monaural)

Dolby

Laboratories

Licensing

Corporation.

Separation

0°.

s.4.!-.

°

|

32

dB

at

1

kHz

Frequency

response

-

*

:

=}

30-15,000

Hz

(+3

dB)

Capture

ratlo

ee

ee:

FM/AM

CASSETTE

CAR

STEREO

SONY.

XR-6380/6387

TABLE

OF

CONTENTS

Section

Title

Page

Section

Title

Page

Specifications:

406004

ww

ees

dee

REAR

ESS

1

4.

DIAGRAMS

4-1,

FE1

FM

Front-End

Schematic

Diagram

..

9

1,

GENERAL

:

4-2.

TU1

AM

Tuner

Unit

Schematic

Diagram

..

9

Basic

Installation

Deed

et

gn

be

ea

aoe

oe

4-3.

IC

Block

Diagrams

................

10

Supplied

Mounting

Hardware

.........

2

44.

Printed

Wiring

Boards

..............

12

Location

and

Function

of

Controls

.....

3

4-5.

Schematic

Diagram

................

15

Connection

Diagram

...............

4

;

P

D

VIEWS...............

2.

DISASSEMBLY

..................

5

s

Gree

Pr

°

=

:

R

PARTS

LIST.........

3.

ADJUSTMENTS

6

ELECTRICAL

PARTS

LIST

23

3-1.

Mechanical

Adjustment

.............

6

3-2.

Electrical

Adjustments..............

6

Tape

SCHOO

fp

oe

Seas

oS

ee

6

FM

‘Section:

©

&

gs

sec

a

he

ee

Pd

ee

eS

7

AM

Section

...........

0020

ee

eee

8

SECTION

1

GENERAL

Basic

Installation

Mount

the

unit.

Use

the

mounting

hardware

supplied

with

the

unit.

Fire

wall

@)

j

Bolt

hole

_:

Remove

the

transit

lock)

penal,

ot

Turn

90°

and

then

pull

it

out.

Sergasnyrevtame

tng

nese

ei

aronens

rept,

Sepa

rY

Flat

side

of

the

nut

faces

to

the

dashboard

Dashboard

of

the

car

Supplied

Mounting

Hardware

The

letters

in

the

list

are

keyed

to

those

in

the

instructions.

(4)

M4

(1)

M5

(1)

X-3391

-202-1

3-310-655-11

3-391-716-31

(XR-6387)

.

3-391-763-31

(XR-6380)

XR-6380/6387

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SECTION

2

DISASSEMBLY

Note:

Follow

the

disassembly

procedure

in

the

numerical

order

given.

COVER

REMOVAL

HEAT

SINK

BLOCK

REMOVAL

Remove

the

upper

cover

by

inserting

such

as

screw

drivers

in

two

portions

as

following

figure.

(Similarly

the

Jower

cover.)

@

heat

sink

block

FRONT

PANEL.

REMOVAL

MD

BLOCK

REMOVAL

@

screws

(PTT2.6

x

6)

@

MD

block

@

claw

@

front

panel

@

screws

(PTT2.6

x

6)

SECTION

3

ADJUSTMENTS

MECHANICAL

ADJUSTMENT

No

mechanical

adjustments

applied

to

this

unit.

Torque

Measurement

Frau

mee

CQ-102C

Meter

reading

40-75

g-cm

(0.55

—

1.040

oz+inch)

More

than

60

g-cm

(More

than

0.83

oz+inch)

FWD

FF/REW

CQ-201B

3-2.

ELECTRICAL

ADJUSTMENTS

Switches

and

controls

should

be

set

as

follows

un-

less

otherwise

specified.

VOLUME

control:

BALANCE

control:

FADER

control:

mechanical

center

click

center

click

TAPE

SECTION

Playback

Head

Azimuth

Adjustment

Setting:

MTL

switch:

LCL

Procedure:

1.

Mode:

forward

playback

test

tape

P-4-A063

(6.3

kHz,

-10dB)

speaker

out

Adjust

for

forward

(»)

direction

and

reverse

(<4)

direction.

2.

Turn

the

adjustment

screw

for

the

maximum

output

levels.

If

these

levels

do

not

match,

turn

the

adjustment

screw

until

both

of

output

levels

match

together

with

in

2

dB.

L-CH

peak

2dqB

R-CH

Screw

peak

«ae

f

position

L-CH

RCH

—»

angle

peak

Peak

3.

Phase

Check

Confirm

that

phase

difference

between

L-

channel

and

R-channel

is

within

90°.

test

tape

P-4-A063

(6.3

kHz,

-10

eee

42

oscilloscope

speaker

out

Screen

pattern

Be

ae

ean

cad

in

phase

45°

90°

180°

wood

4.

Perform

steps

1-3

in

reverse

playback

mode,

and

adjust

the

adjustment

screw

until

output

level

of

both

forward

and

reverse

playback

modes

matches

together.

5.

After

the

adjustment,

lock

the

screws

with

locking

compound.

Adjustment

Location:

adjustment

screw

with

in

TAPE

SECTION

FM

SECTION

AM

SECTION

Dolby

Level

Adjustment

The

FM

front-end

is

carefully

adjusted

at

the

factory

and

is

The

AM

tuner

unit

is

carefully

adjusted

at

the

factory

and

mi

supplied

as

one

whole

block

for

replacement.

supplied

as

one

whole

block

for

replacement.

FM

Auto-scan

Stop

Level

Adjustment

Setting:

Note:

Be

sure

to

perform

this

adjustment

be-

fore

“AM

Auto-scan

Stop

Level

Adjust-

ment”.

test

tape

—

FM

Discriminator

Alignment

P-4-D400

(400

Hz,

0

dB)

AM

Auto-scan

Stop

Level

Adjustment

Setup:

Note:

Be

sure

to

perform

this

adjustment

after

“FM

Auto-scan

Stop

Adjustment”.

Setup:

BAND:

FM

MONO

Frequency:

98.1

MHz

FM

rf

signal

generator

Note:

center-zero

meter

should

be

of

high

in-

put

impedance

type.

Setup:

BAND:

AM

Frequency:

1,000kHz

Procedure:

Adjust

RV101

(L-CH)

and

RV201

(R-CH)

to

obtain

0.45

V

(—4.7

dB)

reading

on

VTVM.

BAND:

FM

MONO

Frequency:

98.1

MHz

0.01

pF

ae

to

antenna

input

FM

rf

signal

Adjustment

Location:

main

board

PeveetOr

lands

of

main

board

0.01uF

—.

AM

rf

signal

generator

Carrier

frequency:

98.1

MHz

Mode:

monaural,

no

modulation

to

antenna

input

lands

of

main

AM

dummy

board

Output

level:

14

wV

(23

dB)

antenna

Carrier

frequency:

98.1

MHz

to

sili

j

ae

ioe

’

input

lands

o

Modulation:

1

kHz,

75

kHz

deviation

(100%)

Procedure:

main

board

1,000

kHz,

56

wV

(35

dB)

no

modulation

Procedure:

Output

level:

1mV

(60dB)

Mode:

monaural

Adjust

RV1

at

the

point

where

voltage

reading

suddenly

changes.

Procedure:

Change

the

FM

rf

signal

generator

output

and

confirm

that

the

point

where

voltage

reading

suddenly

changes

is

19

+5

dB

(14

dB

to

24

dB).

Adjust

RV51

at

the

point

where

voltage

reading

Slowly

adjust

the

core

of

T1

to

obtain

a

zero

(0)

V

suddenly

changes.

reading

on

VTVM

or

zero-center

d-c

voltmeter.

Change

the

AM

rf

signal

generator

output

and

confirm

that

the

point

where

voltage

reading

suddenly

changes

is

38

+7

dB

(31

dB

to

45

dB).

Adjustment

Location:

main

board

Adjustment

Location:

main

board

Adjustment

Location:

main

board

FM/AM

Auto-scan

Stop

Level

Adjustment

FM

Discriminator

Alignment

_—ain

|

[MAIN

BOARD]

(Concluctor

Side)

VTVM

or

high

input

T1

FM

Discriminator

Alignment

/™pedance

center

zero

meter

(range:

0.5

—

5

V

de)

et

enka

ll

a

|

VOM

(dc

range)

Q509

collector

{MAIN

BOARD]

(Conductor

Side)

RV101

(L-CH)

RV1

FM

Auto-scan

Stop

Level

Adjustment

RV51

AM

Auto-scan

Stop

Level

Adjustment

|

E

SECTION

4

DIAGRAMS

4-1.

FE1

FM

FRONT-END

SCHEMATIC

DIAGRAM

43.

IC

BLOCK

DIAGRAMS

1C1

LA1145M

PILOT

TRIGGER

gla

PILOT

CANCEL

|

LEVEL

(

FOLLOWING

)

ay

(0)

(112)

DEMODULATION

HCC

4-2.

TU1

AM

TUNER

UNIT

SCHEMATIC

DIAGRAM

o—¢

4

|

1

| l

!

I

!

I I

i

! |

|

!

! I

1

{

1

1 1

1

|

1

1 |

I

1

!

1

|

1

l

1

oS

|

i

|

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|

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1 l

|

l

|

i

!

l

1

|

1

J

]

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1

\T

RO6

—-004

cos

!

|

srl

Ces

ag

AF

OUT

|

ROI?

[os

W)

406

AL

|

F

out

re

IcC101_

BAS

(5)

(3)

|

i

|

One

|

[

|

TRO2

H

ty

Ny)

|

i

|

ANT

|

ay

I

3

col

;

C-

!

if

cog

=R0lL

=

|

-

|

tf

‘

ROS

fed

i

DOI

!

Lo/Dx

027

|

{

I

|

~9—

—10—

@

Semiconductor

Lead

Layouts

BA3406AL

uPD1708AG-809-00

1C102.

=uPC1284G

121110

9

8

7

LA2010

DTA114ES

STABILIZER

DTA114TS

DTA144ES

DTC114ES

DTC124ES

123456789

DTC144WS

INPUT

AMP

LA3430

gE

c

4

1C401

LA2010

DTA143XS

DTC114TS

2SA1150

TA8210H

2862785

@)

©)

2SA733-K

1C601,621

TA8210H

T

Y

POWER

INT

:

sys

NF

2

RIPPLE

veel

OUT

3

GND!

OUT

I

—

PROTECTOR—

2SC3851

LOAD

DUMP

THERMAL

SHUT

DOWN

SHORT

CIRCUIT

.

he

8

iy

MUTE

NF

I

PRE-

IN2

PRE

-

OUT4

GND

2

Our

2

POWER

Sw

Vee

Vec2

28D

1802

Cc

Bc

WE

=—71=

2SK184-GR

BG3822K-104

5

a

DSA1A2

athode

anode

ERD31-04

cathode

LTZ-R15

cathode

anode

RD10ES-B2

RD1G6ES-B1

RD3.9ES-B2

RD6.2ES-B1

RD9.1ES-B2

188119

cathode

|

XR-6380/6387

4-4.

PRINTED

WIRING

BOARDS

2

|

3

@

See

page

11

for

Semiconductor

Lead

Layouts.

Note

on

Mounting

Diagram:

A

@

oO——-:

parts

extracted

from

the

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Sony XR-6380 User manual

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