Sherwood AI-2110R Bedienungsanleitung

SERVICE

MANUAL

AI-2110R

STEREO

INTEGRATED

AMPLIFIER

AI-2115R

STEREO

INTEGRATED

AMPLIFIER

CONTENTS

Safety

Precaution

...........

0...

0000

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Specifications

...........

06.00.

eee eee

eee

Block

Diagram.

..........0

000

ccc

eee

Circuit

Description

.................0.0.000005

P.C.

Boards

{Top

Bottom

Views)..............

Wiring

Diagram

(I)

........0....0220200

eee

Wiring

Diagram

(II)......

0.0.0...

G§

Sherwood

Exploded

View

(I)

............0000

cece

eee

Exploded

View

(Il)..............0.2200

022

eee

Electrical

Parts

List........

0.0...

eee eee

Mechanical

Parts

List.................0.00000-

Schematic

Diagram

(Remocon

Part).............

Schematic

Diagram

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

Separate

Sheet

Safety

Precaution

WARNING

Service

should

not

attempted

anyone

unfamiliar

with

the

necessary

precautions

this

player.

The

following

precautions

are

necessary

during

servicing.

Many

electrical

and

mechanical

parts

this

player

have

special

characteristics

often

pass

unnoticed

and

the

protection

afforded

them

cannot

neces-

sarily

obtained

using

replacement

compo-

nents

rated

for

higher

voltage,

wattage,

etc.

Replacement

parts

that

have

these

special

safety

characteristic

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

some

safety

characteristics

specified

the

parts

list

may

create

shock,

fire

other

hazards.

Before

returning

the

set

the

customer,

always

perform

leakage

current

check

the

exposed

metallic

parts

the

cabinet,

such

terminals,

screwheads,

meta!

overlays,

etc.

sure

the

set

safe

operate

without

danger

electrical

shock.

Plug

the

line

cord

directly

into

120V

outlet.

(Do

not

use

line

isolation

transformer

during

this

check.}

Use

volt-

meter

having

5000

per

volt

sensitivity

the

following

manner:

Connect

1500

watt

resistor

paralleled

0.15uF,

150V

capacitor,

between

known

good

earth

ground

(water

pipe,

conduct,

etc)

and

the

exposed

metallic

parts,

one

time.

Measure

The

voltage

across

the

combination

1500

resis-

tor

and

0.15uF

capacitor.

Reverse

the

plug

the

outlet

and

repeat

voltage

measure-

ments

for

each

exposed

metallic

part.

Voltage

measured

must

not

exceed

0.3volts

RMS.

This

corresponds

0.2mA

AC.

Any

value

exceeding

this

limit

constitutes

potential

shock

hazard

and

must

corrected

immediately.

VOLT

METER

(5000

per

volt

sensitivity)

Reading

should

not

exceed

0.8V

Amplifier

Outlet

Good

earth

ground

such

water

pipe,

conduct,

etc.

1500

Watt

0.15.F

150V

Place

this

probe

each

exposed

metallic

parts.

Specifications

USA/Canadian

version

Power

output/ch.

Minimum

continuous

average

both

channels

driven

with

than

0.3%

THD.

AtSOhMS:

KHZ.

tees

cee

nas

Says

nants

apes

beget

ees

wpe

Sandee

Raa

eae

ane

Sioa

52W

for

A!2110R

73W

for

Al2215R

at:3-

ohmsi2Z0Hz

to:

2OKINZ

ood

oooh

ice

eho

acs

Dew

aed

ees

weed

50W

for

Al2215R

7OW

for

Al2215R

Intermodulation

Distortion,

60Hz:

7kKHz=4:1

SMPTE

50W

for

Al2110R

(100W

for

Al2115R),

output

into

OHMS...

2...

eee

eens

0.04%

Damping

Factor

kHz

into

OHMS...

2...

eee

ete

cent

nen

nnes

Input

Sensitivity

for

10OOW

output,

ohms

kHz

PROMO

56.

och

ccccia

Sets

dag

Menace

Besa

ace

hey

cake

enseecde

bee

NRC

eae

oti

mel

2.5mV

UIC

eet

Sicctee

etal

na)

eet

etapa

Ree

Sone

Toney

cea

tie

150mV

Phono

Preamp

input

overload;

F280

ORE

150mV

atlOiKZ

£0190

siete

Sse

ths

etn

ehh

ret

Et oe

ete

SON

ale

600mV

Signal

Noise

ratio,

IHF

‘A’

wtd./unwtd.;

PHONO

Sis

ccteachsilar

sgeature

caren

dea

tips

esas

wAMateus

one

audcsant

acon

uae

stack

eat

eae

Beads

74/66dB

CD/Video

(Aux

(CD/Video)

for

AIZ115R)

0.0.

cee

teen

eee

nes

94/88dB

Frequency

Response

Phono,

RIAA

40-20,000

Hz...

0...

cette

net

nnn

ees

+0.5dB

atIW

SSB

deat

bbe

Bele

e-bae

bre

evans

gad

Legos

8404S

bale

bbs

aban

20Hz

—

50kHz

Loudness

Contour

TOO

M22

foo

exctes

steetesesc

attics

oisars

Beene

deen

aseng

Nee

aaah

day

ame

aaa

dense

eat

beh

ree

bed

shared

atca

eee

ages

+7dB

Tone

Control;

Bass

atHOOH2

cies:

owe

nan

bau

wild

tly

ees

F a

alas

eRe

Steed

Aneta

10dB

Treblevat

WOK

eerie

cot

Seg

hae

sll

eas

ace

Recent

Alb

we.

Sea

Sash

anaes

tad

pee

Achaea

10dB

Channel

Separation

Aux

TOO

cco

Scien

eon

ceethcie!

ethe

tone

eee

bab

teat

goes

aoheateba,

bye

maralecn

Sek

arth

yeed

ance

eset

eames

yee

eee

Reda

ued

50dB

TRIAD

tee

Maratea

cata

Siis

aan

Beaman

uta

Pphacnte,

Seeae

deataedeeea

elgeoneges

vadaca

inte’

eaentee

aes

45dB

TOK

aicite

des

boven

toed

onieyerh

deh

opted

Mkts

Mercy?

abi

oice

Whe

Aor

eacar

tat

Moe

ara

hia

40dB

Power

Consumption

........0.0...

000 ccc

cece

een

eee

Typical

9OW

(min.

16W,

max.

220W)

for

Al2110R

Typical

102W

(min.

13W,

max.

290W)

for

Al2115R

Power

requirements;

120V

50Hz

for

USA/Canadian

version

120/220V

60/50Hz

for

multi-voltage

version(switchable)

220V

50Hz

for

general

Europian

version

220V

50Hz

for

Germanian

Italian

version

240V

50Hz

for

British

Australian

version

220V

50Hz

for

Swiss

Scandinabian

version

Dimensions

(WXHXD)......

0.0.0.0

cece

eee

ene

aes

350

280mm,

13.83.5x11.0

inch

Weight

(net)

cceisiiscceay

iced}

aaiaala

Cevomians

Bells

Sade

badd

eile,

Sods

Chime

dares

SRE

6.5kg

(14

Ibs,

4.802)

Europian

version

Power

output/ch.

IEC

standard

63Hz

12.5kKHz

OHMS

...

eee

enes

57W

for

Al2110R

77W

for

Al2115R

DIN

standard

1kKHz

OHMS...

00.

ene

eee

65W

for

Al2110R

82W

for

Al2115R

Total

Harmonic

Distortion

—6dB

rated

output

1kHz

ohmS....

1...

eee

0.03%

intermodulation

Distortion

—6dB

rated

output

ohms........

2.0.0...

tee

0.04%

Damping

Factor

kHz

into

OhMS....

2.66

eee

Input

Sensitivity

for

10OW

output

kHz

ohms

PHONO!

aciteieete

bets

bisa

duce

uddoded

:oyevaeeneen

Gat

MUNA

aed

eel

wives

estates

eas

nae

2.5mV

PRG

TUM

isne

cates

ects

head

rat

See

eto

ORE

tag

Meee

eae

Sli

Haneda

150mV

Phono

Preamp

input

overload;

TRHZ

0196

TADS

<s2r

cst

Rhos

Soe

deat

aca

eae

heh

tek

ened

150mV

KHZ,

O84

TAD

is.

cses

especies

ais eos

ceva

eese

leap

bate

ape

ane

Sade

beeen

600mV

Signal

Noise

ratio,

IEC

““A’’

wtd./unwtd.;

Phono

5mV

input

2.2kohm

shorted

and

vol.

adj.

10OW

1.6...

74/66dB

AUX

—

500mV

input

2.2kohm

shorted

and

vol.

adj.

10OW

....

eee

94/88dB

Frequency

Response

Phono;

RIAA

40-20,000

...

cee

hie

Lada

yeaa

bee

dee

vey

heed

eee

nee

+0.5dB

AuxcatIWw:

Bios

Hisox

date

aaccea

eidach

hie

wate

ceee

ends

ony

sale

Guess

Sane

20Hz

—

50kHz

Loudness

Contour

AQO

HZ:

ores

ete

okra

dts

hedeattivenned

cde

teeea

Shree

ayttlete

ute

ely

aes

Sahni

RARg

ats

+7dB

Tone

Control;

Bass‘at

100HZ

«biel

ont

iar

cee

ete

See

Bee

Hades

teat

10dB

Mreblesat-TOK

HZ:

see

nde

teh

scaeatetnscetly

stad

Sen

Sea

ete

aloe

bth

neh

alcnatnacly

tate

Saale

aattnte

10dB

Power

Consumption

...........00

eee

tent

etne

eee

Max.

220W,

min

27W

for

Al2110R

Max.

290W,

min

13W

for

Al2115R

Power

requirements;

120V

50Hz

for

USA/Canadian

version

120/220V

60/50Hz

for

multi-voltage

version

(switchable)

220V 50Hz

for

general

Europian

version

220V

50Hz

for

Germanian

Italian

version

240V

50Hz

for

British

Australian

version

220V

50Hz

for

Swiss

Scandinabian

version

Dimensions

(WXHXD).

00.00.

eee

ene

eee

350

280mm,

13.8

3.5x11.0inch

Weight(net)

-.:.scc:c.nbeeerceide

eee

tie

bare

eee

dae

cle

lane

6.5kg

(14

Ibs,

4.802)

Note:

Specifications

and

design

subject

change

without

notice

for

improvements.

Component

and

circuitry

are

subject

modification

insure

best

operation

under

differing

local

conditions.

This

manual

based

the

American(A)

standard,

and

provides

information

regional

circuit

modification

through

use

aletrnate

schematic

wiring

diagram,and

information

regional

component

variations

through

use

parts

list.

Block

Diagram

PHONE

VOLUME

TUNER

FUNCTION

301

VIDEO

TAPE

out

BALLANCE

SPEAKER

OUT

eee

TONE

CONTROL

OS)

SUB

B+

—

[==

Jé

MOTOR

ORIVER

603

HEAD

PHONE

TIMER

CD,

TUNER,

SURAMP

DIGI

LINK

DECK

PAUSE

DEF

TAPE

FUNCTION

LED

SHIFTRESISTOR

{

INPUT

{

CPU

CONTROL

PART

s¢::89

1¢

eo1

NTN

RLY

Rea

oeee

[me

vib’

Circuit

Description

Function

Assigned

(MC68HCO5P:

1C801)

No.

Terminal

Operating

Remark

RESET

—1__+——

0804

IRO

PA7

(Power

on/off)

—-—--------

Q802

PA6

(Deck

Pause)

Q803

PA5

(Strobe)

———

1C802

PA4

(Data)

IC802,

1C301

PA3

(Clock)

Sess

IC802,

1C301

PA2

(Strobe)

re)

1C301

PA1

(Standby

LED)

Q804

PAO

(Mute)

FLL

Q812

PB5

(Vol.

Down)

pees

1C803

PB6

(Vol.

Down)

poner

ees

1C803

PB7

(Philips

Generator)

Q805

for

CD,

Tuner

only

Vss

Sd ee

PC7

(AC

Cord

off)

—-----------

PC6

PC5

(Key

scan

Key

Matrix

PC4

(Key

scan

PC3

(Key

scan

PC2

(Key

5Vv

PC1

(Key

—---------

PCO

(Key

PD5

(Timer

in)

——HW

Ground

PD7

(Remocon

in)

LAP

ULL

Q806

OSC

4MHz

Vdd

Assignment

(IC801)

osc1

osc2

TCAP/PD7

TCMP

PD5

Pco

roe]

PC3 PC5

PC6 PC7

21[]

pct

Pc2

Pca

Swe

ace

aue

L_]

owt

MYM

oH ee

Heke

eee

EEE

[oa

Block

Diagram

Port

PBS

PBO

1/0

PB?

Lines

Key

Matrix

(I1C801)

TCMP

Timer

System

OSC!

OSC?

internal

Processor

1”

scitator

pot

and

yy)

RESET

PCO

Accumulator

CPU

‘ort

Index

Control

PC3

PC4

1/0

PC5

Condition

BEE

Lines

Code

BC?

Stack

Pointer

Program

Counter

High

Program

Counter

Low

21128

ROM

240

«x

Selt

Check

ROM

PD?

TCAP

128-8

Static

RAM

{-€

NOTE

ae:

PC.

Boards

(Top

Bottom

Views)

MAIN

PC.

BOARD

4002120000.

(TOP

VIEW)

SPKR

PC.

BOARD

4002120140

(TOP

VIEW)

(BOTTOM

VIEW)

(BOTTOM

VIEW)

S.P

PC.

BOARD

4002120130

(OPVIEW)

CCC

tBOTTIOM

EW)

FRONT

PC.

BOARD

4002120010

(TOP

VIEW)

(BOTTOM

VIEW)

PC.

BOARD

4002120020

PC.

BOARD

4002120030

(TOP

VIEW)

(TOP

VIEW)

(BOTTOM

VIEW)

(BOTTOM

VIEW)

BOARD

4002120120

(TOP

VIEW)

(BOTTOM

VIEW)

BD,

4002120120

PC.

BOARD

40021

(TOP

VIEW)

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