Uher VG8226 Manuale utente

VG82

STEREO

INTEGRATED

AMPLIFIER

De:

CONTENTS

SPECIFIGATIONS

3.05

cvs era

Se

neta

ene

wow

aien

eae

ee

sei

Sihiedd

otadninimeaaacagnncane

se

a

1

BLOCK

DIAGRAM

i.

ictcnsng

oa

aE

sae

ee

Hee

alternate

Greta

Sta

angsiiattene

fae

ieee

cal

a

ak

Tele’

2

METER

ADIUSE

xc

ois

ahd

yh

Seta

ad

Ot

ae

Mand

oaaearee

2

AG

wig

atk

WALES

fe

aoe

OO

ape

gad

Baiada

sete

2

DISASSEMBLY:

cas

eae

iSauuwsraaad

Gnade

Si

adeuateltes

alae

GE

aa

aha

ese

Sse

ates

shel

c

aay

pease

3

PiGr

BOARD.

sect

th

meme

else

eee

hg

Bite

MSMR

Aye

Pate

Jetd

lasaeh

Game

dve

atardoe

guar

ten

aie

Ae

SOY,

CIRCUIT

DIAGRAM

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

eee

ip

lait

ans

Sst

aya

Sy

eth?

Sa

ndads

Bat

ws

ae

oue

dug

8,9

PARAS.

LIST

ain

ei

y

te

bate

deen

ees

8

-n05g

i

dacaltg

Rprcsatd

ats

eG

ad

cs

thay

soa

9

aha

Peller

ead

APIS

gales

10,11

et

VG826

|

SPECIFICATIONS

AUDIO

SECTION

Sensitivity

Input:

100Hz

Phono(MM){at

Rec

out)...

...

2.5mV/50kQ/100pF

POX.

oc

cbstcee

geet

databey

OI

ek

150mV/50k2/82pF

Tape

monitor.............

150mV/50k22/82pF

Sensitivity

channel

difference

...

+2dB

Headphone

output

Input:

1000Hz

*

Phono

2.5mV

Aux

150mV

....

500mV/8Q

Output:

At

speaker

output

32W

Rec.

output

Input:

1000Hz

Phono

2.5mV

Aux

150mV

....

150mV/100kQ

(At

speaker

output

with

Volume:

3.2W)

IM

Distortion

factor

Input:

Aux

70Hz:

7000Hz/4:1

Output:

26W

(40.7Vp-p)

.....

0.08%

Output

power

Sinus

power

(1kHz)

at8Q21%THD

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

38W

at4Q1%THD

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

44w

Music

power

at82.10%THD

...........

81W

at4922.10%THD

...........

132W

F.T.C.

power

(20-20000Hz)

at

82.

0.08%THD

..........

32W

Frequency

response

Input:

Aux.

Tape

monitor

Output:

1000Hz

32W

—6dB

from

Volume

max.

+3dB

.....

10

—

35,000Hz

Phono

mag

equalizer

response

Input:

Phono

Output:

RIAA+1.0dB

......

30

—

20,000Hz

Tone

control

action

Input:

Aux

Output:

1000Hz

0.775V

Boost:

100/10000Hz........

+8.5dB

Cut:

100/10000Hz

.........

-8.5dB

Loudness

control

action

Input:

Aux

150mV

(1kHz)

Output:

—30dB

Att.

from

Volume

max.

(Loudness

switch:

on)

VOOH2

i265

es,

tc

gonds

debe

bs

+6dB

10000Hz................

+8dB

Maximum

input

signal

Input:

1000Hz

Output:

3.2W

(with

Volume)

Phono

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

130mV

BUX

oe

oo

Ca

Amen

n

4.0V

Tape

monitor.............

4.0V

High

filter

action

Input:

Aux

150mV

Output:

32W

—6dB

from

Volume

max.

(Hi-filter

switch:

on)

....

—3dB

Signal

to

noise

ratio

(IHF-A

Network)

Phono

Input:

5mV

Output:

Recout

.....

80dB

Aux:

Inputshort.........

92dB

Tape

monitor:

Input

short

..

92dB

Residual

noise

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

0.5mV

Damping

factor

Input:

Aux

1000Hz

Output:

3.2W

...

0.0.0.0.

50

—

Volume

control

tracking

error...

4dB

Input:

Aux

Output:

3W

at

Volume

max.

—40dB

Crosstalk

Output:

3.2W

(with

Volume)

Aux:

Input

150mV

1000Hz

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

65dB

20kHz

............,

33dB

Phono

Input/2.5mV

1000Hz............,

55cB

Output

level

difference

.......

3dB

Input:

1000Hz

Aux:

150mV

Phono:

2.5mV

Output:

10’clock

position

of

volume

control

GENERAL

Maximum

power

consumption

.

250W

AC

power

supply

..........

220V

50Hz

Weight

and

Dimensions

(Approx.)

Net

weight

..........0.,

4.2kg

Gross

weight

...........,

5.2kg

Dimension

(W/H/D)

.......

422/77/238mm

Specifications

and

design

are

subject

to

change

without

notice.

BLOCK

DIAGRAM

EXTE

PHONO

TUNER

TAPE

1

PHONO

[e)

ce)

°

R

ch

fe)

oO

ie)

12)

METER

ADJUST

TO

EQ

AMP

|

VG826

2

BLOCK

DIAGRAM

MODEL

VG

826

TO

FUNCTION

SW

PHONO

TUNER

AUX

TAPE

1

TAPE

2

FUNCTION

INDICATOR

RNAL

SELECT

ASS

SELECT

SPEAKER

TERMINAL

o————_©

SYSTEM

A

O

MAIN

AMP

o—————-©

SYSTEM

8

HEAD

PHONE

MONO

BALANCE

LOUDNESS

H.FILTER

TONE

CONTROL

VOLUME

Same

as

Left

channed.

—-

TO

ASS

CONTROL

TO

MAIN

AMP

[L

_Output

indicator

indigater

Adjustor

Adjust

for

Connection

,

SIGNAL

LEVEL

VTVM

and

1

AUX

4Q

Dummy

Input

level

7W

S.P.

OUT

+

Z

SVR701

5th

segments

2

SAME

AS

STEP

(1)

|

SIGNAL

METER

SVR702

L

just

light

up

oD

VG826

DISASSEMBLY

1.

CABINET

COVER

REMOVAL

a,

Remove

four

screws

from

both

sides

of

the

cabinet

i

cover,

b,

Remove

a

screw

from

the

rear

of

the

cabinet

cover.

c.

Lift

the

cabinet

cover

away

from

the

unit.

2.BOTTOM

PLATE

REMOVEL

f

a.

Remove

11

screws

(#1~#11)

from

the

bottom

plate,

:

13

12

8 9

3.

POWER

TRANSFORMER

REMOVEL

a.

De-solder

all

the

leads

of

power

transformer

from

the

PCBs.

b.

Remove

2

screws

(#12

&

#13).

c.

Lift

the

power

transformer.

10

|

VG826

45

VG826

METER

DRIVER

P.C.

BOARD

FUNCTION

SELECT

P.C.

BOARD.

Uch

Reh

:

Bryon

TAPE

1

LED

:

cs

o

TAPE

2LED

Be

r

s

E«)

PHONO

LED

TUNER

LED

minathinn,

a

ar

=

>

nis

AUX

LED GNO

ae

a

meg

TE

sy

—

a

:

-

a

OLE

=

pen

ee

FUNC.

SELECT

L

Hei

TAPE

1

SELECT

TAPE

2

LED

TAPE

2

SELECT

TAPE

1

LED

AUX

SELECT

es

TUNER

SELECT

_

PHONO

SELECT

ee

en

tt

eee

ee

FUNCTION

OUT Rch

FUNCTION

OUT Lch

1345

FUNC.

POWER

IND.

P.C.

BOARD

__

CPOE

_CPRRO")

TONER

3

S.P.

TERMINAL

P.C.

BOARD

H.P.

P.C.

BOARD

ce?

possi

GP

xs

cai

SPEAKER

TERMINAL

Lech

OUT

GND

RchOuT

A.S.S.JACKS

P.C.

BOARD

POWER

SW.

P.C.

BOARD

HVE

€-dS

GND

TAPE

1

ASS

INPUT

TUNER

ASS

INPUT

NON

CONECTED

PHONO

ASS

INPUT

a

Tene

|

VG826

MAIN

P.C.

BOARD

PHONO.

TUNER

oie

esi

wae

AUX

LED

TUNER

LED

PHONO

LED

TAPE

2LED

Si

TAPE

I

LED

TAPE

2

Lch

PHONO

SELECT

TAPE

2

Rch

TUNER

SELECT

REC

2

Rch

AUX

SELECT

REC

2Lch

TAPE

2

SELECT

AUX

Lech

TAPE

|

SELECT

AUX

Rch

FUNC.

SELECT

REC

I

Lch

Gq

'Reh

GND

Lch

OUT

Reh

OUT

|

eee

et

ence

ee

~34.5V

GND

FUNCTION

COMMO

Leh

FUNCTION

COMMON

Rch

P.T.

Secondary

GND

SystemB

OUTPUT

Lch

eho

SystemA

OUTPUT

Lch

aa

OUTPUT

Rch

PO

aS

ee

er

ey

0)

SystemB

OUTPUT

Rch

CIRCUIT

Di

A907

[Feat

e

ay

ae

2

GQ

(OFF

ON)

as

VG826

AGRAM

FUNCTION

INDICATOR

ea

R905

Ra0S

1.8K

Yow

[]3.3x

re

R406

iv

1.8K

lw

‘

1090)

xz100

50¥1

1K

TAPE

OUBBING

0S

442

or

==

|

1815553

R908

1,

na06

D901~

909

150K[

]

150K

8

PHONO

TUNER

AUX

TAPE2

TAPE

1

50V0.22

Q

907

3

Sv

3

wna

08442

OR

1S1565R901

0991

x

Seok

>

C—}

{—J

PHONO

|

5442

BRISISAS,

aie

R920

560K

:

Oh

as

TUNER

B

Fpl

i

=,

aga

120

TN

ee

a

+:

YS

44

MK

-_

4

=

ppuatilsses

—____}_|_]

stim

‘

214

C208

100K

210

c2o9

10OKC

=

6207

€213

TAPE

Tf

a?

noo

ee

3v10

222

2231

Pa

22)

avo

F

1K

VY

V

VY

A

R71

701

oct

ra

os

on

ms

[email protected]

Te

NF_TONE

BLOCK

AS_INPUT

BE

TONE

BLOCK

R993

tot

|

DY

YD

Y

D)

(q

,

=

'C702

BAG124

C704

SOV

0.47

POWER

SUPPLY

BLOCK

NPTIL2SS

PT

801

R727,

C701

0!

35y

220

¢407

25¥

22)

D®

Ue

|]

a

(>

ze

ot

Fh

=

MUTE

BLOCK

IK

R404

nage

70

THERMAL

FUSE

yw

lw

0604

14002

Q

2SA722'R.S.T!

R602

£)R609

U

68K

u

330K

603

ey

280536

'E,

R407_

4.7K

C}

eee

ae

@Qro«0

€

800

ECQU2A

103MF

Ort

ob

b

ohh

|

TERMINAL

A

Ore

0605

,

606

2SC536(E.Fs

206

9g

An

R301 C301

SPK

SW

AIOFF-ON)

6

-

roy

579

aesae

C823

223K

oh

<n

O-

SPK

SW

8

|

OFF-ON)

C-

S00

95900

O+k

g

C301

TERMINAL

8

STK465

C108

562)

Cis

182)

R801

220

1”

HEAD

PHONE

OUTPUT

fe

eel

ae

R802

220

Ww

AC

220¥/50Hz

VG826

ve826

PARTS

LIST

HES50SJSL820K

Ceramic

capacitor

C303,

304

Part

No.

Description

Symbol

No.

Symbol

No.

O'ty

Part

No.

Description

Symbo!

No.

Description

2SA722-R,S,T

Transistor

Q601,

602

2

208

HE7OSJYF103Z

|

Ceramic

capacitor

C819~822

4

N42883

Fittings

(P.T.)

2

2S8C1398-0,R

Transistor

Q701

1

KA25ST222J

Carbon

resistor

R101,

102,

307,

4

HE9QOSJYF223Z

|

Ceramic

capacitor

C493,

823,

824

3

N30618-BK

Heat

sink

Power

!C

1

2SC536-E,

F

Transistor

Q603,

604,

605,

4

308

H11SEYF223Z

Ceramic

capacitor

C409,

410,

491,

4

N42471

Heat

sink

Regulator

1

:

606

KA2S5ST224J

Carbon

resistor

R610

1

:

492

N43433

Shield

paper

1

DS442

Diode

|

D602

1

KA25ST272J

Carbon

resistor

R714

1

:

ECQU2A103MF

|

Metallized

film

Csoo

1

N43101

PCB

cover

PW-452

1

W2Z115

|

Diode

|

ZD701

1

KA25S8T273J

Carbon

resistor

R727,

728

2

!

capacitor

N43499

Insulation

sheet

1

XZ0O70

Diode

2D991

1

KA25ST331J

Carbon

resistor

R701~710

10

;

ACC-005

Line

cord

AC801

1

N43463

Universal

spacer

12

XZ088

Diode

2D401~404

4

KA25ST332J

Carbon

resistor

R904,

905,

993,

4

‘

SR-3P-4

Cord

stopper

1

N43114

Shipping

carton

1

XZ100

|

Diode

ZD901,

902,

992

3

994

i

N10246-1

Front

panel

1

N20890A

Packing

pad

R

1

181555

Diode

D901~903,911~

|

9

KA25ST334J

Carbon

resistor

R609

1

hs

N43165

Display

window

1

N20891A

Packing

pad

L

1

913,

991~993

KA25ST433J

Carbon

resistor

R111,112

2

£

N43055-GY

Knob

ring

Volume

1

N41318

Potyethylen

bag

1

GP30D-L

Diode

D401~404

4

KA25ST471J

Carbon

resistor

R113,114

2

bi

N43239

ASS

badge

1

(unit)

1N4002

Diode

D405,

601,

604,

4

KA25ST472J

Carbon

resistor

R211,

212,

407

3

‘

N20974-1-BR

Cabinet

1

N40487

Polyethylene

bag

1

994

KA25ST473J

Carbon

resistor

R115,116

2

*

N20850A

Bottom

board

1

(accessories)

GL105N51

LED

LD701,

706

2

KA25ST514J

Carbon

resistor

R109,

110

2

:

NO.7102B

Foot

4

N41853-162

Label,

fuse

1

GLOPR33

LED

LD401~406,711,

|

8

KA25ST561J

Carbon

resistor

R209,

210

2

:

N21013

Rear

panel

1

N41853-202

Label,

fuse

2

712

KA25ST562J

Carbon

resistor

R213,

214,

408~

7

N43018-BR

Knob

38

Volume

1

N41853-312

Label,

fuse

2

BA6124

Ic

1C702,

703

2

411,601

N43019-BR

Knob

31

Bass,

treble,

balance|

3

N43160

Label,

serial

number

2

NJM4560DX

Ic

1C101

1

KA25ST563J

Carbon

resistor

R281,

282

2

|

N43017-AS-BR

Push

button

ASS

1

OM-373

Instruction

manual

1

STK465

Ic

1C301

1

KA25ST564J

Carbon

resistor

R914,916,918~

|

6

}

N43017-AU-BR

|

Push

button

AUX

1

FT-002

FTZ

sheet

1

TA7318P

Ic

1C701

1

920,922

:

N43017-BR

Push

button

Power

1

C-006

Circuit

diagram

1

‘TC9145P

Ic

1C901,

902

2

KA25ST681J

Carbon

resistor

R303,

304

2

N43017-DU-BR_

|

Push

button

Dubbing

1

TBB+30X08-Y

Tap

screw

B,

5

EWK8CA018B15

|

Rotary

potentiometer]

VR602

1

KA25ST683J

Carbon

resistor

R602

1

N43017-HF-BR

|

Push

button

|

H.

filter

1

bind

head,

Y

EWGG0A013C15

|

Potentiometer

VR603,

604

2

KA25ST820J

Carbon

resistor

R729,

730

2

N43017-LD-BR

|

Push

button

Loudness

1

TCB+40X10-N

Tap

screw

C,

12

EWHH4A507G55

|

Potentiometer

VR601

1

KA25ST822J

Carbon

resistor

R603

1

N43017-MO-BR

|

Push

button

Mono

1

bind

head,

N

ESB827S

Power

switch

swe01

1

KA25ST823J

Carbon

resistor

R205,

206

2

N43017-PH-BR_

|

Push

button

Phono

1

TPM+30X08-N

Tap

screw

P,

18

ESB62358

Push

switch

Function

1

KA50ST182J

Carbon

resistor

R405,

406

2

f

N43017-SA-BR

Push

button

SPA

1

round

head,

N

SW-1601109

Push

switch

H.

filter~ASS

1

KAS0ST271J

Carbon

resistor

R401~404

4

N43017-SB-BR_

|

Push

button

SPB

1

|

TPS+30x08-N

Tap

screw

P,

3

AJC-002-AAB

RCA

jack

4P

2

KA508T272J

Carbon

resistor

R996

1

;

N43017-TU-BR

Push

button

Tuner

1

flat

head,

N

,

AJC-003-AAB

RCA

jack

6P

1

KA50ST8R2J

Carbon

resistor

‘

R305,

306

2

;

N43017-T1-BR

Push

button

Tape

1 1

TSA+30X14-Y

Tap

screw

S,

2

HLJO307-01-020

|

HP.

jack

HP807

1

SA-1WT221J

Metal

oxide

resitor

|

R801,

802

2

;

N43017-T2-BR

Push

button

Tape

2

1

{for

power

IC)

HSJO780-01-010

|

ASS

jack

3

SVR-08T3B102

|

Semi-variable

resistor

|

SVR701,

702

2

N30574B

Side

chassis

R

1

TSB+30X06-N

Tap

screw

S,

11

’

FUH-002

Fuse

holder

4

LUB1H682MHS

|

Electrolytic

capacitor

|

C401,

402

2

N30649

Side

chassis

L

1

bind

head,

N

PT-SO8P12

Socket

8P

(S.P.)

1

LL-25TW4R7M

Low

leak.

C101,

102,111,

4

N20914B

Support

chassis

(P.T.)

1

TSB+30X06-Y

Tap

screw

S,

7

NPT-1125S

Power

transformer

PT801

1

electrolytic

capacitor

|

112

N43437

Spacer

12

bind

head,

Y

FU521628T

Fuse

F801

1

LL-35TW100M

Low

leak,

C211~214

4

N42780

Shield

plate

Bass,

treble,balance}

1

TSC+30X08-N

Tap

screw

S,

13

FU-522027T

Fuse

F301,

302

2

electrolytic

capacitor

N42781

Shield

plate

Volume

1

washer

faced,

N

FU523127T

Fuse

F401,

402

2

LL-SO0TW1ROM

Low

leak,

C301,

302

2

N43343

Shield

cover

SP

A,SP

B

1

2AWX0830-05-N

|

Plain

washer,

N

1

RP-001

Terminal

TP101,

301,302,

|

4

electrolytic

capacitor

N43058

Fittings

1

2AWX1040-08-N

|

Plain

washer,

N

4

303

MS-10TW101M

Electrolytic

capacitor

|

C109,

110

2

(Headphone

jack)

2AE-03

Solder

lug

4

163740-2

Zip

strip

1

MS-16TW100M

Electrolytic

capacitor

|

C705,

706

2

N43206

Switch

holder

1

2AE-32

Bind

iug

1

163740-3

Zip

strip

2

MS-16TW101M

Electrolytic

capacitor

|

C313,

314,

703

3

N42849

Fittings

R

(Heat

sink)

59BS1692

GND

lug

1

UB-0027

Terminal

(GND.)

1

MS-16TW470M

Electrolytic

capacitor

|

C912,913

2

N43073

Fittings

L

(Heat

sink)

PC-012

RCA

coad

ass’y

3

MS-25TW101M

Electrolytic

capacitor

|

C411

,412

2

HP-452

Printed

circuit

board

1

MS-25TW471M

Electrolytic

capacitor

C407,

408

2

M-452

Printed

circuit

board

1

MS-35TW221M

Electrolytic

capacitor

C405,

406

2

MAS-452

Printed

circuit

board

1

MS-50TWR22M

Electrolytic

capacitor

|

C911

,991

2

MD-463

Printed

circuit

board

1

MS-5OTWR47M

Electrolytic

capacitor

|

C704

1

MF-452

Printed

circuit

board

1

MS-50TW1ROM

Electrolytic

capacitor

|

C606,

701

,

702,

6

MI452

Printed

circuit

board

1

907~909

M1463

Printed

circuit

board

1

MS-SOTWT00M

Electrolytic

capacitor

C403,

404,

603,

4

MT-419

Printed

circuit

board

1

607

MV-452

Printed

circuit

board

1

MS-50TW101M

Electrolytic

capacitor

|

C311,608

2

P{-452

Printed

circuit

board

1

MS-50TW4R7M

Electrolytic

capacitor

|

C601

,

602

2

PW-452

Printed

circuit

board

1

MS-50TW470M

Electrolytic

capacitor

C307,

308,

604

3

SP-452

Printed

circuit

board

1

MY-50VS102J

Mylar

capacitor

C507,

507,

508,

4

KA25ST101J

Carbon

resistor

R315

1

508

KA25ST102J

Carbon

resistor

R107,

108,

301,

20

MY-50VS104J

Mylar

capacitor

C203,

204

2

302,

309,

310,

MY-50VS182J

Mylar

capacitor

C113,114

2

715~724,

901~

MY-50VS2225

Mylar

capacitor

C207,

208

,

2

903,

995

MY-50VS223J

Mylar

capacitor

C201,

202,

209,

4

KA25ST103J

Carbon

resistor

R604,

605,

611,

5

210

725,

726

MY-50VS272J

Mylar

capacitor

C215,

216

KA25ST104J

Carbon

resistor

R103~106,

608

-

5

MY-450VS393J

Mylar

capacitor

C205,

206,

505,

KA25ST105J

Carbon

resistor

R606,

607,

731,

-

4

506

732

MY

-50VS472M

Mylar

capacitor

C707,

708

KA25ST121J

Carbon

resistor

R711~713,

733

4

MY-50VS473M

Mylar

capacitor

C309,

310,

803,

KA25ST123J

Carbon

resistor

R201,

202

2

804

KA25ST124J

Carbon

resistor

R915,917,921

3

MY

-50VS562J

Mylar

capacitor

C107,

108

KA25ST153J

Carbon

resistor

R503,

504

2

HE40SJSLO90D

Ceramic

capacitor

C305,

306

KA25S8T154J

Carbon

resistor

R313,

314,

906~

10

HE40SJYB101K

|

Ceramic

capacitor

C103,

104,

810~

913

817

KA25ST182J

Carbon

resistor

R203,

204,

207,

4

HE40SJYB221K

|

Ceramic

capacitor

C105,

106

SM-373

8210

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