Yamaha AV-80-Y Service Manual

-----.:-------

STEREO AMPLIFIER

AV-80Y

SERVICE MANUAL

r

H model only

0-

-

····

. . . .

• • • •

o • • •

I • • •

I • • •

- - - - -

WI

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

This manual has been provided for the useofauthorized YAMAlIA Retailers and their
It

has been assumed that basic service procedures inheranttothe industry, and more specifically YAMAHA

Products, are already known and understood by the users, and have therefore not

WARNING:

':

I-

0­I-

.-

IMPORTANT:

The data provided is believed to
engineering, and service departments
Modifications are, therefore, inevitable and specifications are subject
retrofit. Should any discrepancy appear to exist, please contact

WARNING:

IMPORTANT:

Failuretofollow appropriate service and safety procedures when servicing this product
may result in personal injury, destruction
product toperform as specified. For these reasons, we advise
that
appointed service rq>resentative.

The presentation or saleofthis manualtoany individual or finn does not constitute
authorization, certification or recognition
establish a principle-agent relationshipofany form.

Static discharges can destroy expensive components. Discharge any static electricity your
body may have accumulated
gauge black
Tum
apply power

IMPORTANT NOTICE

of

expensive components and failureofthe

all sezvice

required

should be performedbyan authorized YAMAlIA Retailer or the

of

any applicable technical capabilities,

be

accurate and applicable to the unites) indicated on the cover. The reserch,

of

YAMAlIA are continually striving to improve YAMAlIA products.

by

wires

the unit OFF during disassembly and parts replacement. Recheck all wolk before you

connecttothis buss).

to

the unit.

grounding yourselftothe ground buss in the unit (heavy

to

change without noticeorobligatim to

the

distributor's Service Division.

o

senice

personnel.

been restated.

all

YAMAlIA product owners

or

•

=

CONTENTS

TO SERVICE PERSONNEL 1
REAR PANELS

SPECiFiCATIONS ....•.•..•.......................•...•.......•...•.•..•...•3

BLOCK DIAGRAM •......•....•.•.•...........•.....•...•....•.........

INTERNAL VIEW .....•.•....................................................6

DISASSEMBLY PROCEDURES

ADJUSTMENTS .••.•..........•........................•.•.....•.••.•.....•..7

1

1

003801

1-2

4-5

6-7

PRINTED CIRCUIT BOARD

INTERCONNECT WIRING DIAGRAM 15

~·COM

WAVEFORM
SCHEMATIC DIAGRAM 18-19

PARTS LIST ...................••..................•..•................

REMOTE CONTROL TRANSMITTER 28

DATA 16

OF

TEST POINT

8-14

17

20-27

YAMAHA

1.4k-346

YAMAHA

Po.

13

CORPORATION

Box1,Hamamatsu,Japan

~

PrintedinJapan.

'91

.2

AV-80Y

•

TO

SERVICE

1.

Critical Components Information.
Components having special characteristics are marked and
must be replaced with parts having specifications equal
those originally installed.

2.

Leakage Current Measurement (For 120V Model Only).
When service has been completed, it
verify that all exposed conductive surfaces
lated

from

supply circuits.

• Meter impedance should
by

0.1SJlF.

• Leakage current must not exceed

•

Be

sure to'test for leakage with the

polarities.

PERSONNEL

is

imperative that

are

be

equivalentto1S00

O.SmA.

AC

pluginboth

properly insu-

ohm

you

shunted

AC

LEAKAGE

to

WALL EQUIPMENT
OUTLET UNDER TEST EQUIVALENT

@1

• POLARIZATION (U, C models only)

~

INSULATING
TABLE

This amplifier product
ing-current line plug
other). This
This

plug

IS a safety feature.

will fit into the power outlet only one way.

I~

is

equipped with a polarized alternat-

(a

plug

having one blade wider than the

TESTER

~

OR

I

WARNING:

The solder used in the production of this product contains LEAD. In addition, other electrical/electronic
and/or plastic (where applicable) components may also contain traces of chemicals found by the
California Health and Welfare Agency (and possibly other entities) to cause cancer and/or birth defects
or other reproductive harm.

DO

NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC

MOUTH FOR ANY REASON WHATSOEVER!
Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale sol-

der fumes or expose eyes to solder/flux vapor!

If

you comeincontact with solder or components located inside the enclosure of this product, wash your

hands before handling food.

•

REAR

....

U model

PANELS

,....--""'''''''''

CHEMICAL

_-CO-_-"--LD-~_

@

~:r-

~~~~~~~~~

~@~~@~@~~@~@~

e~~~p1~~~~

CONTENT

_....:-_..

NOTICEI

OR

PLASTIC COMPONENTS

@

w~

.......

N<l

Lt.~&

--

~~

~~=~=:~===o

:eo:

v

80Hz

-~=-

OD

......

__

".ao_

@

.....

~~VlInHIWIT.OI'~ra::

~.Il&8Cf1U""'~lWO~

E~~:"=~

"-IC~-

o[[]]o

......

,

IN

@

YOUR

~

~~~_::::.

=-=-=-

@ ri'l

~

[J

G

-~Q---~

~~

~@

@~!;.~@

@

o[[]]oo

.-...,

@

U

....

C model

-""'...,..,.

@

~:r-

-_-CO-_-_-LD-~-

~~~~ii)~ii)

~@~~@~@~~@~@~

e~~~p1~~~~

@

w~

.......

N<l

I I I 11/-80 Y

~~=;:~;==o

Lt.~Lh

CAUTIOM

OD

........

_".ao_

@

_IC~-

o[[]]o

,

@

~

:§)~_

1

=-.::--=-

=--==-

IM\

U

••

[J

1M'

~:~[

~j4i~;

@

o[[]]oo

.-...,

._-

@

U

T R model

T A model

.--""...",..

@

~~

~~-~.

=:;;~

(i'i\

m

LJ

"CJJIG-CO-1\.IIe-""'-LD-~-)1~

G~~~~~~~~

@5.

8~~~~~~~~

......eM

@5. @5. @5. @5.

....

..

GUt'

~~[-~j~~o;@

~

@

1IQ/J20/22Q11.a

«XJYtM1'T8

~~

=~

V'DU1I

IOI.:JHa

AV-80V

""'"

@

@

o~

:I~l~

~

,@

~

o[]oo

........,

@

---

@

LJ

T H model

@

@

2

AV-80Y

•

SPECIFICATIONS

• AUDIO SECTION • VIDEO SECTION

Minimum

Dynamic Power Per Channel

Dynamic Headroom

IEC

Damping Factor

Input Sensitivity/Impedance

Input Sensitivity (New IHF)

Maximum-Input Signal

Output Levelllmpedance

Headphone

Frequency Response

RIAA Equalization Deviation

Total Harmonic Distortion (20Hz-20kHz)

Signal to Noise Ratio (IHF-A-Network)

Residual Noise (IHF-A-Network)

Channel Separation (Vol.

Graphic Equalizer

Continuous Loudness Control (Level related equalization)

Gain tracking error

RMS

Output Power Per Channel

100W

20Hz-20kHz, 0.15%

(by IHF Dynamic Headroom measuring method)

sn

6n

sn

Power

1kHz, 0.1%

1kHz,

sn

Phono

MM

CD

etc.

Phono

MM

CD

etc.

kHz,

0.02%

1

Rec Out

Jack

0.1%

THO,

20Hz-20kHz,

MM

Phono

Phono

MMtoRec

CD

etctoSpeaker Out,

Phono

MM

(5mV Input Shorted)

CD

etc. (Shorted)

Phono

MM

input shorted 1kHz/10kHz

CD

etc input

Control Frequency

Boost/Cut ±10dB

Attenuation

THO,

sn

0.3%

THO,Sn

0.3%

THO,

sn

THO,

SQ/6n

THO,

Phono

MM

Rated Output/Impedance

RL=sn

CD

etc.

Out, 3V

50w/sn
35w/sn
22W/Sn

-30dB)

5.1knterminated 1kHz/10kHz

60Hz, 150Hz, 400Hz, 1

(OdB-60dB)

1S0mV/150n
220mV/100n

2.5kHz, 6.3kHz, 16kHz

1S0mV/100n

(U,

70W

(R,

55W (H)

145W (U,

90W

(R,

60W (H)

1S0W

(U,

100W

(R,

75W (H)

1.6dB

(U,

60W/70W

2.5mV/47kn

150mV/47kn

0.25mV
15mV

SOmV

150mV/1.4kn

(U,

(R,

-o.5dB±O.5dB

OdB±0.5dB

0.1%

(U,

0.05%

0.1%

(R,

0.1% (H)

79dB
92dB

200J,LV

55dB/50dB
55dB/50dB

kHz,

-20dB(1kHz)
3dB

C)
A)

C)
A)

C)
A)

C)

(H)

50

C)
A)

(H)

C)
A)

Video Signal

Input/Output

• GENERAL

Power Supply

U,

C models
A model
H model
R model

Power Consumption

U model
C model
A model
C model
A model

AC Outlet

Switched x 3
Switched x 1
Switched x 3 (C)

Dimensions (WxHxO)

Weight

"Specifications subject to change without notice.

C •.......•......•....... Canadian

U.•.....•......•........

A Australian

H ...........•.......•...North European

R General

(U,

(A)

R,

• DIMENSIONS

-

CJ

~~~~~~~

0

I.~

H)

U.

435

(

17-1/8")

AC110/120/220/240V,

435 x 122.5 x 304.7

(17-1/S" x 4-13/16" x

model

S. A.

model

model

model

.

......

~.

l J

0 0

0

=

ccccc

1Vp-pl75n

AC120V, 60Hz
AC240V, 50Hz
AC230V, 50Hz

60/5OHz

390VAl300W

100W max. (Total)

100W max.

100W max. (Total)

1A

max.

7.4kg

(16

Ibs

model

-

'ID

ID

o ,II'!

,

ION

,.,

=

IN

T

!-

!

I

I.

I

~l-

.

~ ~

=

Unit : mm (Inch)

SOW

1

400W
200W
400W

(Total)

mm

12")

5 oz)

3

• BLOCK

PHONO

CD

DIAGRAM

C(')l------J

+5

f[TAPE

VCR

(Ol~-----

~[TAPE

VCR

cO}-------.---------'

LD

VCR

o

UJ

o

>

..J

~

~

z

o

u

UJ

~

o

~

UJ

0::

PB

MONITOR

VCR

REC

PHONO

.....

-----___t

{rtjl----~

~

REMOTE

COT~~N~

~

+f

RECEIVER

U1

........

UNIT

...-----\r\fv-----------------('lO

R392

FUNCTION

LED

05,8-10,16,17

MUTE

ICIO

@

MOTOR

CONTROL

ICIO

@,@

CONTROLLER

lca

XL1

D

SYSTEM

IC10

4

LOUDNESS

BALANCE

MAIN

VOL.

IC201A

H.P.AMP
IC202A

YST

SELECTOR

SW201

YST

EO

CIRCUIT

IC221A

POWER

AMP

AV-80Y

RY201

L

R

-+5

MOTOR

CONTROL

ICIO

@.@

ICa

KI-

K4

01",,03

---:;.;.....:....=.;=--_.~I

I

NPUT

POWER SW

SW2-8

EO

UNIT

SELECTOR

&

1....-

IC20aA

R

a

LEVEL

METER

IC9

R •

.......

+A

PHONES

SYSTEM

CONTROLLER

IC10

4

• MOTOR CONTROL
ICa

@@

MUTE

POWER SUPPLY

&

)J-COM

RESET

09,10

06,7

+12

±B

±1~

±9

SUB

POWER

SUPPLY

0210

POWER SUPPLY

0203,204

I

C204-207

T201

POWER

SWITCH

DRIVE

0246

II

F201

5

AV-80Y

•

INTERNAL

VIEW

o POWER TRANSFORMER

f)

MAIN CIRCUIT BOARD

o MAIN CIRCUIT BOARD

e Jl-COM CIRCUIT BOARD

(3

Jl-COM CIRCUIT BOARD

(3

MAIN CIRCUIT BOARD

(4)

o Jl-COM CIRCUIT BOARD

(2)
(1)

(9)
(1)

(3)

•

DISASSEMBLY

(Remove partsindisassembly orderasnumbered.)

1. RemovalofTop Cover

Remove 5 screws (
Cover back.

2.

RemovalofFront Panel

Remove 6 screws (

Panel toward.

3.

RemovalofBottom Cover

Remove 4 screws ( ® )inFig.

<D

CV

PROCEDURES

)

in

Fig.1,and

)

in

Fig.1,and

1.

slide the TOP

pull the Front

Top Cover

Fig. 1

6

• InstallationofTop Cover

< Example

< Example

Note

1

of

Incorrect Installation>

of

correct

Installation>

~

<D

Note1:

--

As the Top Cover hits hard, it will get

damaged.

Place the lug of the Top Cover
on the Sub-chssis.

The side of the Top Cover
is further inside than the
Panel upper rib.

Fig. 3

Fit the lug of the Top Cover into the
gap between the Panel and Sub­chassis.

Turn the Top Cover downward.

.\

1

Note

2

(2)

I

Note

Tum

the

Top

Cover

downward.

2 : It's supporting point should be

st~p

as in above

<D

Fig. 2

Fig. 4

..

""---.

@ Slide the Top Cover forward.

,-,-It

•

ADJUSTMENTS

• Idling Adjustment

To stabilize operation of the amplifier, turnONthe power
in

the no-signal state and wait for two minutes before the

adjustment.
Adjust VR201 (L ch) so that the voltage at both R255 (L
ch) becomes DC1.5mV±O.3mV.
Adjust VR202 (R ch) so that the voltage at both R256
ch)

becomes

DC1.5mV±O.3mV.

(R

Fig. 5

..ilDD1l

®

00

c:::J-

VR20,

Eel

c:::J

R255 (L ch)

.0

(lch)

non

c::r

VR202 (R ch)

EeJ

-r::=J-

R256 (R ch)

..,

([[[[[[[~~[[[[[[[

7

1

_____

A B

•

PRINTED

Note)

3t~im

:

CIRCUIT

Component

side

BOARD

(Foil

---I.-

side)

C

REMOTE CONTROL

PHONO

---I..-

D

--'L

MAIN

•

Semiconductor

Ref.

No.

o

201

o

202

o

2

203

o

205

o

206

o

215

o

216
0217
IC201
IC202
IC203
IC204
IC205
IC206
IC207
IC208
IC219

Location

02
03

G2

E3
F3

G3

03
F2
F5
F5
02
E2
E3
02
03
F2
G5

Location

Re.

IC220
IC221
0201
0202
0203
0204
0205
0206
0207
0208
0209

o

210
0211
0212
0213

o

214
0215

No.

Location

G5

85
02
C3
C2
C3
02
03

E4

E4
G3

03
G3

03

F4

04
G4

ef.

o

216

0217

o

218
0219
0220
0221
0222
0223
0224
0226
0227

o

229
0230
0232
0237
0238

No.

Location

E4
G3
E3
G3
F2
F2
F2

F2

E2

F2

E2

F2

02
C2
C3
C3

C.

B ( 1 )

3

MAINC.B

-YST

•

CONVENTIONAL

·YST-l

·YST-2

4

(4)

SELECTOR

.....

0

-

3:

~

Z

~

FROM:POWER

IDLING

ADJ.

DC1.5mV

CURREI

(Rch)

:to.3mV

TRNSFORMER

-i

5

z

Ci

::5
:E

o

a:

LL

6

8

D

E

F

G

AV-80Y

H

TO:JlCOM

VI

DEO

LD

SIGNAL

VCR

IN

( 9 )

OUT

TO:JlCOM

MONITOR OUT

( 1 )

+ ®

+

."

o

:E

m

:xJ

~

:xJ

»

Z

en

."

o

:xJ

m

==

:xJ

IDLING

ADJ. (R

POWER

CURRENT

DC1.5mV

ch)

:to.3mV

TRNSFORMER

8

......

---

--

IDLING CURRENT

ADJ.

(Lch)

DC

TO:VR

.......

FROM:

1.5mV

:to.3mV

BLOCK

jJCOM(3)

-

CD

-

9

J.l-COM

D

C. B ( 1 )

A

AV-80Y

•

PRINTED

1

Note)

~*jij

:

CIRCUIT

Component

side

B

BOARD

CD

to

@: WAVEFORM OF TEST POINT (See page 17)

(Foil

side)

c

PHONO

2

3

CD

TUNER

TAPE

TAPEP8REC

LD

OUT TAPEP8RECOUT

VCR

J.l-COM

4

TO:J.lCOM

5

C. B ( 9 )

( 2)

•

Semiconductor

Ref.

No.

o 1
o 2
o 3
o 6
o 7

011
012
013

~

-.
FROM:MAIN

Location

Location

03
03
G2
E2
02

G4

F4

G4

Ref.

014
015
020
023
024
IC
IC
IC

l"ll(')~~r«

IDU5m

' .- - -

( 1)

No.

Location

1
2
3

Jl~

y_

--

~----'

G4

F4
F5

G5

04
A2
02
82

Ref.

~.J..J...J..J..J

IC
IC
IC
IC
IC
IC10
IC11

a 2

No.

4
5
6
8
9

Location

82
82
C2

G2

F4
C4
84
02

Ref.

a 3
a 4
a 5
a 7
a 9

. 010

011
012

No.

~---"'I-

Location

02

82
C2
C3
E2
E2
02
02

FROM:J.lCOM

( 2)

10

6

11

~

( 1 )

-I

0

~

0

0
3C

PI.)

1=

E F

_-I

IO

3

.•

o

~

3C

.....

-

~

-

-I

0

0

0

3C

~

"'T1

::D

0

:s::::
:s::::

~

Z

FROM:pCOM(9)~.~~~

0.0

~O

o

~

--

~

"'T1

::D

0

-I

0

0

0

i:

Q)

==

==

~

Z

~

Jl-COM C. B ( 3 )

Jl-COM C.

G

VOLUME

B ( 4 )

H

-I

::>

:")

:>

=

~

)

:

JlCOM

:

JlCOM

( 8 )

(2)

Jl-COM C. B ( 5 )

VOLUME

100·20·

2 .

0.4·0.1

OUTPUT

Jl-COM C. B ( 6 )

:0

I·

LEVEL

:~COM

(5)

E;J

- PLD REMOTE

CONTROL

11

--

FROM:JlCOM

( 1 )

A

•

PRINTED

1

Note)

x~iIfi

:

2

CIRCUIT

Component

==

a

o

:i.

a

t-

side

B

BOARD

0210

00.

(Foil

side)

MAIN C. B

•

U,

C models

AC

OUTLETS

(2)

c

_ .....-

D

FROM:ACCORD

T201

3

TO:POWER

4

TO:AC

TO:

5

OUTLET

MAIN

'9"""

::E

a

0

:i.

a

t-

(7)

(A

(H

TRNSFORMER

MAIN C. B

•

A,

ONLY)
ONLY)

.

~.

: J:

021~

.~.

°CD

'4---

(2)

H models

-----or-----.....

-~

T201

ACI

AC2

,--~-

-<

m

"y

E~

RE(AI
BE(H)

FROM:AC

CORD

TO:POWER

6

TRNSFORMER

12

D

E

F G

AV-80V

H

.,..

==

o

o

=i

o

t-

MAINC.B

• R model

TO:POWER

(2)

AC

OUTLETS

TRNSFORMER

:I===~

-~-

FROM:ACCORD

__

MAIN C. B

• R model

VOLTAGE

SELECTOR

(6)

:ORD

MAIN

• H model

AC

OUTLETS

C.B(7)

FROM:MAIN

( 2 )

-.--'

12

13

A

AV.80V

B c

D

E

/

1 •

2

3

PRINTED

Note)

~*iii

:

Component

CIRCUIT

side

BOARD

(Foil

~-COM

side)

C.

B ( 2 )

MAIN C. B (

FROM:MAIN

8)

I

( 1 )

RY

TR

L

G

4

~-COM

.L

5

[1F

STANDBY

C.

B ( 7 )

• H model

FROM:

I

J.l-COM

( 1 )

EQ.

UNIT

+15

R

PHONES

(SLIDE POTENTIOMETER BLOCK)

~-COM

6

TO

:

~COM

C.

B ( 8 )

(9)

7

POWER

14

•

INTERCONNECT

r···················l

L

•••••••••__••__••••

..:

TR

'20

I

MAIN

C. B

WIRING

11)

I

DIAGRAM

I

~

-CONC.B(91 I

I

~-CON

'-

.!

c.

813)

I

<>--=-_---;'_"

(

U.C.A.H

'...,,-

-----

~

•......

( R )

'i----'-=-----+-:

MAIN

'G"

C.8(21

)

-,

PIlE··

~

15

~

7

AV-80Y

.Ie

IC10 :
4

bit

IOVIVSS

TEST

DATA

lC6505C-4277

Il-COM

PA2
PA3
PBO
PBI

PB2
PB3
PCo
PCI
PC2
PC3
PDo
POI
PD2

PD3
PEO

PEl'
PE2

PE3

RES

PAl
PAO
vool+5VI

(NT
HOLD
PII

o

Plo
PH3
PH2
PHI
PHO
PG3
PG2
PGI
PGo
PF3
PF2

PF I

PFO

OSC

OSC

PAO-5

P80-5

PCO-5

PDO-3

PEO-3

PFO-5

2

I

PGO-3

PHo-3

64.4
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I

2
3
4

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OINT

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HOLD

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2

Pin No.

1

2
3
4
5

.6

7
8
9

10
11
12
13
14
15
16
17
18
19
20
21
22
23

Name

PA2
PA3
PBO
PB1
PB2

PB3
PCO
PC1
PC2
PC3
PDO
PD1
PD2
PD3
PEO
PE1
PE2
PE3

RES

TEST

VSS
OSC1
OSC2

I/O

Not used

I

H level (TAPE MON)

I

Function

I

K1

}

K2

I

K3 Key input(H: ON)

I

K4

I

I/O

01 }

D2

I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O

0
0
0
0

I

-

-

I

Key scan signal(H: Active)
D3
PLO PHONO PLAY/CUT Control signal

Not used

COO}

CD1

CD

control signal (Not used)

CD2

TPO}

TP1
TP2 DECK control signal (Not used)

TP3
Reset input 40
LSI

test terminal (GND)

GND

~-COM

clock circuit 400kHz

24
25
26

Name I/O

PFO
PF1
PF2 0

Pin No.

27 PF3 0
28
29
30
31
32
33

PGO
PG1
PG2 0
PG3
PHO
PH1

34 PH2 0
35 PH3 0

36
37

38
39

41
42

PIO
PI1

HOLD

INT

VDD

PAO
PA1

Function

0

PHONO

0

CD
TUNER
VDP

0

TAPE

0

VCR

Function control

J

(H:

ON,

L : OFF)

Not used

0

Power control signal(H: ON)

0

VolumeUpcontrol signal

0

Volume Down control signal
TU2}

TU1
AMUTE Audio Muting control signal

0

(L : Active) (Not used)

0

MUTE Muting control signal(L: Active)

~-COM

I

(L:

I

+SV

-

+SV

I

Remote control Data input
Power ON/OFF back up

I

(H

Tuner control signal (Not used)

Backupcontrol

Back up, H : Active)

: Back up, L : Ever ON)

.

16

AV-80Y

•

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Point

G):

01,

02

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IC1

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V:

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V:

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03

H : 2msecldiv

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V : 2V/div H : 200msec/div

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CH1+

CH2+

RES

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09

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t

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by

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17

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AN79M09F

2SA10~5(Y)

2SA970(GR.
2SA1370(D. E. F)
2SC1815Y
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216

329
423

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3
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2Pl
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6800/56

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Number

PartsName

2SC17405IS.
2SC26031E. F I
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PARTS LIST

•

ELECTRICAL

PARTS

•

WARNING

Components having special characteristics are marked

Lt.

and must

replaced with parts having specifications equaltothose originally installed.

in

• Carbon resistors (1/6W or 1/4W) are not included
List. For the parts

No.

of the carbon resistors. refertoP.29.

the ELECTRICAL PARTS

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PART

110.
VK461400
VK461500
VK461600
VK461700
VK461800
I-"A153100
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1J.1737100

lJJ737100

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lJJ737470

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;;f­;;f-

~

Remarks

Markets

'1:"~

PJ2
CBll

t-

CR2.14
CB3.5.8.19.21.22

XLl

VRI

LOUDNESS

R

t:

F

VR2
VR3
CB15.16
CB17
CB18
010
09

02.3

011.12
07

~

04.5
D1.2.7.18.19.23.24

DG

D3

D8.10.16.17

D20

05.9.11-15

022

BALANCE
VOLUHE

H

H

•

New

.Parts

(J1iM.at5~)

'7 :...? : Japan only

24

A

AV-80V

B

c

D

4

5

6

7

25

•

MECHANISM

PARTS

AV-80Y

Note)0:Diameter

Ref.

PART

110.

1

.'

','

1
1

'"

1

.'

2

2

3

3
4
5

','

6

7
8
9

10

11

.'

,',

11

,;'

11

~'

11

11

,',

12

..

12
13
13

'.'

13

13

"

','

13

14

15

15

16

16

16

16

17

17

17-1

17-1

17-2

18

19

19
20
21

:'

21

;,

21
21

21

"

22

23

lIE

New

NO.

VK461200

PANEL
VK461300
VK967800
VK967900

VK195900
VK636300
VF545900
VKI73200
EXr;01250

V

IX611021
IX609730
I

X611

031

IXf3097ifO

EK330030

1632700

PANELUNIT

PANELUNIT

PAIlEL

TRANSISTOR

TRANSISTOR
TRANSISTOR
TRANSISTOR

SHEET

RADIATOR

SUPPORT

SCREII.
BIND
BW
SHIELD

VK461400MAINClRCUITBOARD

VK461500

VK~61700

MAIN

VK461600

MAIN
MAIN
MAIN

VK461800
VK462100
VK625700
XIl047AOO
XH048AOO
XI781AOO
X1782AOO
XI783AOO
VA932900
CB620200
CB620HlO
HG002220
VE371000

~tG002310

MG002320
VE299000
VK436800
CX603580
CX617430
CXf303590

rCOM

/1

pallER
PO',JER
PO',JER
POWER
POIIER
VOLTAGE
CORD
CORD

PO~ER

POWER
POWER
POIIER
SLIDE
SLIDE
NOB

KNOB

MAKER

VCG26100ACOUTLET

mp

V

1207500

mp

V

1207600

V

1209900

BOTIOM

VK428900

REAR

VK429000

REAR

VK429100

REAR

VK429200

REAR

VK429700

REAR

CB610390

LEG

V1I842000

BUTIOII

,Parts

(fIf""i6~)

c r

i

Des

UNIT

UNIT

TRANSISTOR

HEAD

TAP

TYTE

SCREII

HEAD

TAPP

ING

SCREII

PLATE

CIRCUIT

BOARD

CIRCUIT

BOARD

CIRCUIT

BOARD

CIRCllIT

BOARD

CIRCUIT

BOARD

-COMCIRCUITBOARD
TRANSFORMER
TRANSFORHER
TRANSFORMER
TRANSFORMER
TRANSFORMER

SELECTOR
smrPER
smpPER

CORD
CORD
CORD
CORD
POTENTIOMETER
POTENTIOMETER

COVER
COVER

COVER
PANEL
PANEL
PANEL
PANEL
PANEL

p t

BLOCK
BLOCK

ion

2SB1347

2SA1491
2SD2029
2SC3855
19x24

3x8
3xl0-8

ESE-37226

CM-22C

CH-22B
lOA
6A
7,5A

2.5A
B250K

Qx7

B250K

!2x7

S2-739T

FCRM3-BL

2.0111

c

n~

J\

:t,

J\.I

.::1.::

1\

:t,

1\.1

.::L

}\:t,

I\.I.::L::

}\:t.

1\.1.::1.::

1-7~~:A$'

1-7~-::i:A$'

1-7~-::i:A$'

1-~~:i:A$'

~-I-

7~I-$'

-tj-;r,-I-

:A7

I)

;:I. - T R

}\

~

~

r-:B$'

BW./\,''}

~-Jltr-:"1'v-1-

;(~~~-I-

;(~~~-I-

;(~~~-I-

;(~~~-"

;:>l~~~-I-

"':?~::J~~-I-

"':?~::J~~-I-

1;i~

1-7

'II~1-7~:A

1ImH7~

lIil! 1-7

~i~

1-7~:A

'II[f~MM

::J

- F

:A

::J-F:AI-''}J~-

~

PIl

':J

I-

::

':J

l-

,'}

I-

''}

l-

~

I-

:t,

:i

r-:$"'}l:::~~:t.-::i

~:A

:A

~:;z

I-

.')}\-

mil!::J,- F

1ii~::J-

r-:

1liil!::J-r-:

1I~::J-r-:

:A7~r-:VR"1'a"}7

:A7~

r.VR"1'a ''}7
./"1'
./"1' T

",:?-j)-

m;~::J~7$'

I-

''}"1'j)

J\-

I-

.'}7'j)

I~-

;r,

I-

L.

j)

J\-

I)

"'}~

:to

1\.1

I)

'"

J\

:to

J\.I

I)

'\>}\

~J\.I

I)

",}\:t.

1\.1

I)

"'}~

:to

1\.1

"7~

v''}~

;f,1l

~

Rellarks
BL
T
BL
T

0215.216

0215.216

0213.214

0213.214

BL
T
BL

T
BL

T

POWER

.,:,,?

Markets
UCRA
UCRA
H
H
UCRA
H
UCRA
H

U

C

R
A
H
UCRA

H

U
C
R
A

H

R
UC
RAH
UC
R
A

H

A

U
C
R
A

H

: Japan only

'i~'J

~

26

)

/

AV-80Y

Ref.
NO.

PART

NO.

23

VH841900

24

YI211200

24

YI211300

25

VI051300

25V1051200

VF992300

26
27

VF201500
YI210800

28
28V1210900

CB068880

29
30

ED330066
EX601890

31
32

EI330086

EN340020

33
34

E0330086

35

EK336010
EK330030

36
37

EK365040

37

EK365090
EX601580

38

VJ078800

39
39

VJ078900

C8069250

Description
BUTTON
KNOB
KNOB
KNOB
KNOB
STOPPER
DAMPER
BUTTON
BUTTON
PLASTIC

RIVET

BIND

HEAD

SCREII

BIND

HEAD

BONDING

BIND

HEAD

TAPPING

BIND

HEAD

BONDING

FLAT

HEAD

TAPPING

811

HEAD

TAPPING

BII

HEAD

TAPPING

811

HEAD

S-TITE

811

HEAD

S-TITE
HEXAGONALBLIND
PLATE

SIDE

PLATE

SIDE

BINDING

TIE

SCREII
SCREII
TAP,

SCREII
SCREII
SCREII

SCREW

SCREII

NUT

SCREII

LED
LED

6P
6P

111027
3x6
3x6
3x8
3x8
3x8
3x8
3xl0-8
4x8-10
4x8-10
144

BK-l

FCRMJ-BL
FCRMJ-BL

FCRM3-BL

FCRMJ-8L

FCRMJ-BL

FCM3

FCM3-BL
FNM3-BL
ZK:2-BL
FCRM3-BL

{i,

8~

~~~

:t

./7
./7
./7
./7
A

I-

'~.I1'\

-!f~J'\-

;r,~~

;r,~~

77')"""

}'(-(

~

J(

;r,~"j'.-(

Jnl~

BW~.,~~~*:J

BW"-':I
BW"-':I

BW,,-.,~S~-(I-*:J

~1fJ~j-.,I-

711-I-/if-(~

711-I-/if-(~

I-

~

~/J\*:J

~

"j'

.of

~

~

-(

~~~.,~~~

~~B~-(

':I

~~~*~

~~':I~~~*~

~s~-(

IJ\

* :J

;t,

~

I-*:J

I-;t,:J

3f!ff:1I:1tJ

BL

POVER
BALA/ICE.

T
BL

BALANCE,
VOLUME

T

BL

VOLUME

INP,

T
BL

INP,

T
BL

BL
T

Relarks

SELECTOR
SELECTOR

LOUDNESS

LOUDN~SS

Markets

H

1:,.'1

70
70-1

VK843700
CX607200

REIllTE
LID
DRY

CELL

CONTROL

TRANSMITTER

SUM-4,AAA,R03

I)

~:J~

I-

7~A

1Itm&

~~:Jf~.ll!

~

':I~-

.,

:"~: Japan only

27

A

B

c

D

E

AV-80Y

1 •

2

SLR~2A

3

-

T

REMOTE

SCHEMATIC

~

~

F

~

2SC-1652R

or

a

D1

~

01

'--

'01

01J~~

'"

..

III

a:

..

>

M

..

~f)

~+g~

..0..

Xl

455KHZ~

CONTROL

DIAGRAM

~

1<11

1<12
1<13

3

1<14
1<15'rKI/OO

1<16~KI/01

6

1<17~KI/02

7

REM

8

¥DO

5EL

10

e5ce

11

e5CI

VSS LI"P

23

1<10

E..--

CC5

0

..-I

~

(,!)

20
19
18

~

KI/03

I

17

~

KI/04

~

KIlOS

~

KI/06

~

KI/07

r

1

~

DECK
PLAY

51

REC/

PAUSE

:?

CD

PLAY

59

SEARCH

C>C>

513

517

AMP

PHONO

-"'-

~~

>----056?

UP

~

~

r

>----O~

I

PRESET

~

~21?

TAPE

MON

-o"J

525

TRANSMITTER

REW

52

REC

MUTE

-"'-

PAUSE/

STOP

>----O-:?

510

SEARCH

<Kl

>----O~

514

Pf£SET

-"'-

~18?

CD

-o~

522

>----0

DECK

>----0

~11?

PLAYER

PLAY/CUT

~15?

~

~19?

~23?

~27?

FF

-"'-

?

53

A/B

-"'-

?

57

SKIP

C>C>i

-"'-

-"'-

Pl-a/
P9-l6

-"'-

TUNER

-"'-

VOL.

UP

-"'-

STOP

~:?

DIR

-"'-

~58?

SKIP

I'O<l

DIR B

~33?

A

~:?

AMP

VCR

MON

-"'-

~16?

LD

~:<r

VOL.
DOWN

~:?

POWER

ON/OFF

-"'-

~32?

-"'-

CO

DISC

S

KIP

-"'-

~48?

4

CUSTOM

KEY

No.

5

6

CODE

Do

1 0

1

2

0 1 0 0 0

3
4 1

0

5
6 1
7

0

1

8
9

0

10 1

11

0 1 0

1

12
13

0

14 1
15

0 1 1 1

16 1

17

0

18 1
19

0 1

21

0

22

1

23

0

24 1
25

0

27

0

28 1

32 1

33

0

1

48

Co

C1

C2 C3 C4CsC6 C7

01011110

DATA

CODE

03

01

02

0 0
0 0

1

0

1

0
0 1 0 0

1

1
1

1

0 1

0

0 0

1

0

1 1

0
0 1

1

1

0

0
0 0 0 1

0 0

0

1 0
1

0

1 1 0 1 0

1

1

0

0

1 0 1 1 0
1

0

1 1 1

0

0

1 1 1

04

0

0

0 0

0

0

0 0

0 0
0 0

0

1

0

1

0

1

0
0

1

0
0

1

0

1

0

1 0 0 0
1 0 0 0
1 0 0 0

0

0 1

1 1

1 1

1

0

0
0

De

05

0 0 0

0

0

0

0
0 0 0

0 0

0

0

0
0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0
0 0 0
0 0 0
0 0 0
0 0
0 0 0

0 0
0 0 0
0 0

0
0 0
0 0 0

1

0

1

0

07

0
0

0
0

0

0

0
0
0

0
0

FUNCTION

TAPE PLAY

CD PLAY

PAUSE/STOP

SKIP'"
SKiP
SEARCH
SEARCH

PLAYER PLAY/CUT
AMP VCR MON
TUNER PRESET
TUNER PRESET DOWN
TUNER
AMP PHONO

VOL.

UP

VOL.

DOWN
POWER ON/OFF
TAPE DIR B
CD DISC SKIP

REW
FF
STOP
REC/PAUSE

REG

MUTE
DECK AlB
DIR A

....

..
...

P1-8/P9-16

CD
TUNER
LD
TAPE MON

UP

7

28

I

AV-80Y

Value

1.0 n

1.8 n

2.2 n

3.3

n

4.7 n

5.6 n
10 n
15 n
22 n
27

n HJ3S4270

33 n
39 n
47

n
n

56

68 n

82 n
100 n
110 n
120 n
150 n
160 n

180 n
220 n
270 n HJ3S5270
330 n HJ3S5330

n HJ3S5390

390
470 n
510 n
560 n HJ3S5560
680 n
820 n HJ3S5820
910 n

1.0

Kn

1.2

Kn

1.5

Kn

1.8

Kn

2.0

Kn

2.2

Kn

2.4

Kn

2.7

Kn

3.0

Kn

3.3

Kn

3.6

Kn

3.9

Kn

4.7

Kn

5.1

Kn

5.6

Kn

6.8

Kn

8.2

Kn

9.1

Kn

10

Kn

1/4W Type Part

Parts List for Carbon Resistors

1/4W Type Part

HJ3S

7120

HJ3S

7150

HJ3S

7180

HJ3S

7220

HJ3S

7270

HJ3S

7330

HJ3S

7390

HJ3S

7470

HJ3S

7560

HJ3S

7680

HJ3S

7820

HJ3S

791

0
HJ3S8100
HJ3S

8120

HJ3S

8150

HJ3S

8180
HJ3S8220
HJ3S

8270
HJ3S

8330
HJ3S

8390

HJ3S

8470

~J3S

8560

HJ3S

8680

HJ3S

8820
HJ3S9100
HJ3S

9120
HJ3S

9150
HJ3S

9180
HJ3S

9220
HJ3S9330
HJ3S9390
HJ3S

9470

1/4W Type

HJ3S0000

t

10mm

rom1

HJ3S

3100

HJ3S

3180
HJ3S3220
HJ3S3330
HJ3S

3470
HJ3S3560
HJ3S41

00
HJ3S4150
HJ3S4220

HJ3S4330
HJ3S4390
HJ3S4470

HJ3S4560
HJ3S4680
HJ3S4820
HJ3S5100
HJ3S5110
HJ3S

5120
HJ3S5150
HJ3S

5160
HJ3S

5180

HJ3S5220

HJ3S

5470

*

HJ3S5680

HJ3S591
HJ3S6100
HJ3S

6120

HJ3S

6150

HJ3S

6180

HJ3S

6200

HJ3S

6220

HJ3S

6240

HJ3S

6270

HJ3S

6300
HJ3S6330
HJ3S

6360

HJ3S

6390

HJ3S

6470

HJ3S

651

HJ3S

6560

HJ3S

6680

HJ3S

6820

HJ3S

691

HJ3S7100

1/6W Type Part

No.

HF8S31

*

HF8S3220
HF8S3330
HF8S3470
HF8S3560

HF8S4100
HF8S4150
HF8S4220
HF8S4270
HF8S4330
HF8S4390
HF8S4470
HF8S4560
HF8S4680
HF8S4820
HF8S51
HF8S5110
HF8S5120

HF8S5150

*

HF8S5180
HF8S5220
HF8S5270
HF8S5330
HF8S5390
HF8S5470
HF8S5510
HF8S5560
HF8S5680
HF8S5820

0

0

0

HF8S5910
HF8S61
HF8S6120
HF8S6150
HF8S6180
HF8S6200
HF8S6220
HF8S6240
HF8S6270
HF8S6300
HF8S6330
HF8S6360
HF8S6390
HF8S6470

HF8S6510
HF8S6560
HF8S6680
HF8S6820
HF8S6910
HF8S7100

00

00

00

No.

Value

12
15

18
22
27
33
39
47
56

68

82

91

100
120
150
180
220
270
330
390
470
560

680
820

1.0

1.2

1.5

1.8

2.2

3.3

3.9

4.7

Kn
Kn
Kn
Kn
Kn

Kn
Kn
Kn
Kn
Kn
Kn
Kn
Kn
Kn
Kn
Kn
Kn
Kn
Kn

Kn
Kn
Kn
Kn
Kn
Mn
Mn
Mn
Mn
Mn
Mn
Mn
Mn

No.

1/6W Type Part

1

No.

HFSs7120
HF8S7150
HF8S7180
HF8S7220
HF8S7270
HF8S7330
HF8S7390
HF8S7470
HF8S7560

HF8S7680
HF8S7820
HF8S7910
HF8S81

00
HF8S8120
HF8S8150
HF8S8180
HF8S8220
HF8S8270

HF8S8330
HF8S8390
HF8S8470
HF8S8560
HF8S8680
HF8S8820
HF8S91

00

*

HF8S9150
HF8S9180
HF8S9220
HF8S9330

*

HF8S9470

1/6W Type

HF8S0000

~5mm:1

tfCDlI1

29

TECHNICAL

BULLETIN

YAMAHA

SERIAL

SYMPTOM:

NUMBERS

FUNCTIONS

ELECTRONICS

Effective

MODEL:
AFFECTED:
AFFECTED:

No

output

is

on

the

100

mV

in

loudspeakers

closes.

in
rear
YST

AV-80Y

All

YST

YST

panel),

modes

when

Amplifier

MANDATORY

modes

only

the

protection

CORPORATION,

Number:

Date:

operation

TYPE

OPTIONAL

OF

154B

May

CHANGE

14,1993

FOR

INFO

D D

only,
OR

output

which

OK

causes

in

NORMAL

offset
relay

in

a

"pop"

opens

(YST

excess

in

or

USA

ONLY

switch

of

the

CAUSE:

SOLUTION:

C294
voltage
turned

Replace
polar
brought
NOTE:

and/or

C295

is

applied

off

capacitor
Be

(C283 & C284)

C294

in

sure

(for

for

about

and

(part

service.

to

are

getting

across

five

C295

discharge

with

# UK748100)

before

leaky

them

after

to

ten

a

100

the

main

replacing

because

the

minutes).

ufd.

any

25
time

filter

C294

a

reverse

unit

Volt

the
capacitors

and

is

non-

unit

C295.

is

6660

Orangethorpe Avenue, Buena Park, CA

90620-1345

Telephone: (714)

522-9105