Sherwood RD-6106/G/RDS Manual de usuario

SERVICE

MANUAL

RD-6106/G/RDS

DOLBY

DIGITAL

AC-3/DTS

READY

RECEIVER

SERERRER

bts

ORAL

Eohve

Lee

CONTENTS

SPECIFICATIONS

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MECHANICAL

PARTS

LIST

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BLOCK

DIAGRAM

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EXPLODED

VIEW

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WIRING

DIAGRAM.......ccsccsscsseseesereteeterereeseernans

ELECTRICAL

PARTS

LIST........cccscsssesesseetseesers

CIRCUIT

DESCRIPTION......ccccsccssssssseererereeeerees

PRINTED

CIRCUIT

BOARDS

........cssssseseeseereeees

ALIGNMENT

PROCEDUREG...........ccscsscserereeres

IC’S

FUNCTIONAL

BLOCK

DIAGRAM

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

TROUBLESHOOTING.

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SCHEMATIC

DIAGRAMG.........:ccsessesssereeenerers

Sherwood.

SAFETY

PRECAUTIONS

WARNING

Before

servicing

this

unit,

familiarize

yourself

with

the

following

precautions:

1.Many

electrical

and

mechanical

parts

this

chassis

have

special

safety

characteristics

that

often

pass

unnoticed

and

the

protection

afforded

them

cannot

necessarily

obtained

using

replacement

components

rated

for

higher

voltage,

wattage,

etc.

Replacement

parts

that

have

these

special

safety

characteristics

are

identified

this

manual

and

its

supplements:

electrical

components

having

such

features

are

identified

the

schematic

diagram

and

the

parts

list.

Before

replacing

any

these

components,

read

the

parts

list

this

manual

carefully.

The

use

substitute

replacement

parts

that

not

have

the

same

safety

characteristics

specified

the

parts

list

may

create

shock,

fire,

other

hazards.

2.Before

returning

the

set

the

customer,

always

leakage

current

check

the

Outlet

5000

per

volt

greater

sensitivity,

the

reading

should

not

exceed

0.75

Place

the

probe

each

exposed

metalic

part.

exposed

metal

parts

the

cabinet,

such

terminals,

screw

heads,

and

metal

overlays,

sure

the

set

safe

operate

danger

electrical

shock.

Plug

the

line

cord

directly

into

120

outlet(USA

Version)

230

outlet(EU

Version).

(Do

not

use

line

isolation

transformer

during

this

check.)

sure

your

voltmeter

has

sensitivity

5000

per

volt

greater.

Then

connect

1500

watt

resistor,

paralleled

0.15

150

capacitor,

between

known

good

earth

ground(such

water

pipe,

conduit)

and

the

exposed

metalic

parts,

one

time.

Measure

the

voltage

across

the

combination

1500

resistor

and

0.15

capacitor.

Reverse

the

plug

the

outlet

and

repeat

voltage

measurements

for

each

exposed

metalic

part.

Voltage

measured

must

not

exceed

0.75

RMS.

This

corresponds

0.2

AC.

Any

value

exceeding

this

limit

constitutes

potential

shock

hazard

and

must

corrected

immediately.

Voltmeter

Good

earth

ground,

such

water

pipe

or.conduct

0.15

150

VAC.

SPECIFICATIONS

Measuring

methods

are

based

IHF

and

IEC

standard

268-3

Measurements

conditions,

unless

otherwise

noted

Output

resistive

load

(8)

ohms

Both

channel

driven

Tone(Bass,

Treble),

Balance,

control

Center

Position

Other

SW's

OFF

Nominal

input

level

5mV

for

MM,

0.5mV

for

MC,

500mV

for

general

purpose

inputs

Power

figures

should

kept

minimum

10min.

between

and

35°C

Terminator

1000hm

for

MC,

1kohm

for

and

general

purpose

inputs

Filter

IHF-A

filter

R/O

Rated

Output

Power

supply

120V/60Hz

(A),

220V/50Hz

(C),

230V/50Hz

(D)

FRONT

AMP

SECTION

*SUB-WOOFER

SPKR:

*SPKR

LEVEL

ALL

0dB

*SOURCE

DIRECT

ON(TONE

DIRECT

MODE)

No[_bESGRIPTION

WAT

FREG.

REMARK

UWT

[LT

NOMNALLUR

Paes

[fw

[DAMPING

FACTOR

__—S—«dT~SCiid|

Cd]

Food

[RESIDUAL

NOISE

aetie

vormax

[mv

TOTAL

HARMONIC

DISTORTION

(40)Hz

(600m)

(20)KHz

CONTINUOUS

AVERAGE

POWER

(02)%

THD

(ohms

[sos

s02

[sao

[eas

[FUNCTION

CROSSTALK

GD=TAPEIN

[‘riowne]

_R/OSa8

[eB

=e050|

=o515_

<0.2

290

255

245

12]

TROL,

#(8)d

ONE

CONTROL,

#(8)dB

SUBWOOFER

OUT

(leh

put

[08

peer

[noe

Feel

Pet

HEADPHONE

OUTPUT

2.440.4

(500mv)

DIN

POWER

THO

eel

rama

INPUT

DESCRIPTION

DYNAMIC

POWER

OUTPUT

cycle

ON,480

cycle

OFF

LIMIT

NOMINAL

remarn

unit

POWER

BANDWIDTH

-3dB

SLEW

RATE

SLEW-FACTOR

cp(soomv)

PRE

OUTPUT

LEVEL

GOH

(200m)

VOLmax

SUB-CH

(200mV)

1.7404

1.7203

[CINEMAEG

TW co

tere

votmex

‘|

CD(500mV)

10kHz

VOLmax.

-5.5#1.5

-5.521

OFFSET

VOLTAGE

VOL

min.

Ps)

oOo

REAR

AMP

SECTION

Measurements

conditions

Input

level

350mV

Rear

level

max,

Delay

Time

20ms,

Master

volume

adj

DESCRIPTION

INPUT

POWER

OUTPUT

0.7%

THD

TOTAL

HARMONIC

DISTORTION

S/N

RATIO

DOLBY

IHF-A

FILTER,

THEATER

HALL4

HALL2

}

REMARK

UNIT

LIMIT

L/R

NOMINAL

rie

[tw

eee

255

kHz

R/O

1kHz

20~7K

eee]

120-6

[100-7

[[vormin

[mv

[70

LARGE

SMALL

CENTER

AMP

SECTION

Measurements

conditions

Input

level

350mV

SPKR

WIDE,

Center

level

max,

Master

volume

adj

DESCRIPTION

INPUT

FREQ.

REMARK

UNIT

LIMIT

NOMINAL

POWER

OUTPUT

0.3%

THD

(8)ohms

TOTAL

HARMONIC

DISTORTION

<03-

<02

S/N

RATIO,

IHF-A

FILTER

255

eas

FRE.

RESPONSE

LARGE

35~18K

30~2IK

DOLBY

MODE

SMALL

135~18K

120~2K

Jomema

(500mV)

——

=—

OFFSET

VOLTAGE

vor

min

[mv

VIDEO

SECTION

er)

io[

___pesenierion

[rea

REWARK

Nomi

fourpurcevet—_—_——~«dYCVORWVpe)

750hm

1302

100

-5.524

SINRATIO

TUNER

SECTION

Measuring

methods

confirmity

with

IEC

standard

315

Measurements

condition

Radio

frequency

98.1MHz,

Audio

frequency

1kHz

Reference

level

1mV

(

75ohms

300ohms

)

Deviation

MONO

+75kHz,

Stereo

+67.5kHz+7.5kHz

(America)

MONO

+40kHz,

Stereo

+40kHz+7.5kHz

(Europe)

Test

Point

90.1MHz,

98.1MHz,

106.1MH

Filter

B.P.F

STEREO

Power

supply

120V/60Hz

(A),

220V/50Hz

(C),

230V/50Hz

(D/RDS)

SECTION

DESCRIPTION

TUNING

RANGE

LOW

HIGH

AUTO/Man.

UNIT

MHz

kHz

dBf

<23.2

STEP

(A)

STEP

(C/D/RDS)

USABLE

SENSITIVITY

S/N

30dB

(A)

S/N

26dB

(C/D/RDS)

CHANNEL

SEPARATION

100Hz

1kHz

10kHz

FREQUENCY

RESPONSE

+1.3dB

SPURIOUS

RESPONSE

REJECTION

IMAGE

REJECTION

(A)

(C/D/RDS)

REJECTION

RATIO.

(A)

(C/D/RDS)

INTERMODULATION

CAPTURE

RATIO

FULL

LIMITING

SENSE

(A)

OUTPUT

-3dB

dBf

<15.2

(C/D/RDS)

ouTpuT=-30B

[

—-<23.2

[auroscavernon——SSSOSCS~C~S~i

TOTAL

HARMONIC

DISTORTION

eer

ans

46dB

QUIETING

SENS.

(C/D/RDS)

dBf

<48.3

t00Hz

tke

10kHz

fo?)

aya

DESCRIPTION

UNIT

LIMITU/R

NOMINALUR

OUPUT

LEVEL

MONO

TAPE

REC

OUT

5004150

5004100

SECTION

Measuring

methods

confirmity

with

IEC

standard

315

Measurements

condition

MW:

Radio

frequency

1000/999kHz,

Audio

frequency

400Hz

Radio

frequency

207kHz,

Audio

frequency

400Hz

Reference

level

5mV/m,

10mV/m

500ohms

Modulation

30%

Test

Point:

TP1=(600)kHz

TP2=(1000)kHz

TP3=(1400)kHz

—

(A)

TP1=(594)kKHz

TP2=(999)kHz

TP3=(1404)kHz

—

(C/D/RDS)

TP1=

162kHz,

TP2=

207kHz,

TP3

252kHz

UNIT

LIMITL/R

NOMINAL

L/R

(c/D/RDS)

LOW~HIGH

kHz

522~1611

DESCRIPTION

TUNING

COVER

RANGE

(A)

LOW

HIGH

kHz

STEP

(A)

AUTO/Man.

kHz

automa

[we

USABLE

SENSITIVITY

S/N

20dB

FREQUENCY

RESPONSE

-6dB

SELECTIVITY

10kHz/9kHz

AGC

FIGURE

MERIT

__Input=100mV,

-10dB

IMAGE

REJECTION

=TP

LW=TP

orl

WHISTLE

MODULATION

<to

800(+10dB

TAPE

REC

OUT

AUTO

STOP

LEVEL

TUNED

LEVEL

800(+8dB)

wmf

OUTPUT

LEVEL

(A)

TAPE

REC

OUT

160460

16050

(C/D/RDS)

TAPE

REC

OUT

15060

150+50

—

AC-3

SECTION

Measurements

conditions,

unless

otherwise

noted.

Input

Funtion

(other

digital

player)

Digital

Input

Mode

COAXIAL

Main

Vol.

Position

position.

Trim

Vol.

Position

All

"0"

Test

Point

Spk-out

Pre-out

Test

Disc

DOLBY

TEST

DISC

VERSION

1.0

Center,

Rear

Delay

Oms

DESCRIPTION

CONTENTS-TEST

TONE

CHAP

[sw]

JOUTPUTLEVEL

LEVEL

JOUTPUTLEVEL

OdBFS

L/C/RILS/RS

eaBe

OUTPUT

LEVEL

30kHz

OdBFS

LFE

(Pre

Out)

_reheTe

OUTPUT

LEVEL

MAIN

VOL.

MIN.

1kHz

OdBFS

L/C/R/LS/RS

mel

[

«eps

OUTPUT

LEVEL

MAIN

VOL.

MIN.

30kHz

OdBFS

LFE

(Pre

Out

Exe

UNIT

CECT

Spa

eee

CCT

tao

[meow

sowie

[cuamnec

seaman

mersweowsest

sparen

Tels

[eTs[s[o[

[

fowet

seraramon

tawowsrsc

————S—S—=sd

omen

ferimeosrsa

fares

[eT

Dette

rear]

[aamew

[ee

[Le

]

ER]

oe]

CHANNEL

SEPARATION

REF

30kHz

OdBFS

LFE

18(REF)

UNIT

ese

far

[ROBEY

soos

all

[we

paren

[5]

fefststa

UNIT

anes

[STs

[3]

fsfstspr

[Por

fees

[s[oTT

REF

1kHz

OdBFS

30Hz

OdBFS

LFE

REF

1kHz

OdBFS

LFE

30Hz

OdBFS

L/C/R/LS/RS/LFE

REF

1kHz

OdBFS

L/C/R/LS/RS

30Hz

OdBFS

L/C/R/LS/RS

ese

raven

[eps

fepepe

De]

ranen]

[

30Hz

OdBFS

LICIRILSIRSILFE

frjs|s|n|

eos

ene]

comenierast

rere

CTS

Cor

TST

USING

VER2.0

cans

TEST)

REF

1kHz

OdBFS

L/C/R/LS/RS

30Hz

OdBFS

LFE

REF

kHz

OdBFS

UCIRILSIRS

REF

30kHz

“3dBFS

LIC/R/LS/RS/LFE,

SW:

DTS

SECTION

Measurements

conditions,

unless

otherwise

noted

Input

Function

DVD

Digital

Input

Mode

OPTICAL

COAXIAL

Speker

Mode

FL-CL-RL,

SW-YES

Trim

Vol

Position

All

"0"

Test

Point

Spk-out

Pre-out

Test

disc

DTS

Set-Up

Disc

VER.2

Master

vol.

Position

CHAPT

LEFT

CH.

1kHz

SINE

WAVE

0dBFS

11:

RIGHT

CH.

1kHz

SINE

WAVE

OdBFS

LEFT

SURROUND

CH.

1kHz

SINE

WAVE

0dBFS

13:

RIGHT

SURROUND

CH.

1kHz

SINE

WAVE

0dBFS

CENTER

CH.

1kHz

SINE

WAVE

0dBFS

LFE

CH.

30Hz

SINE

WAVE

OdBFS

eee

Pete

OUT

—[owcemrncane

Peete

aaa

paar

fearsveneans

foe

[TET

[pase

reowon

eee

=<_

ego

jor

BLOCK

DIAGRAM

DIGI

LINK

KEY

MATRIX

DISPLAY

<TUNER>

AC3

BLOCK

DSP

yssai2

DOLBY

DIGITAL/DTS

PRO

LOGIC

DECODER

SUB DSP

AK4110

AUDIO

CODEC

DIR

itt

DIGITAL

INPUT

at)

coax1

coax2

©)

[6]

MAIN

MICOM

DATA

CONTROL

LINE

INPUT

PARTS

VIDEO

PARTS

TUNER

PARTS

AC-3/DTS

PARTS

$15

REGULATOR

MAIN

AMP

PARTS

POWER

SUPPLY

PARTS

FRONT

ame

SIGNAL

PROCESS

PARTS

CENTER

amp

AMP

_POWER

REAR

AMP

paaekmscnstasudecacusecosvesss,

VIDEO

VIDEO1

VIDEO41

IN(©)

VIDEG1

OUT)

once

neem

mes

enacannanateenernnscnncnenenancenceessersnecsecsoey

6CH

DIRECT

INPUT

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ANALOG

NUU7312AL

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came

Co Oo

Tocedschohofadachconcnenncasonad

Model

No.

RD-6106/G/RDS

ST-B

POWER

TRANS:

—

ST-BY

RELAY

POWER

S/W

PRE

OUT

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