Sansui CDE770 SERVICE MANUAL

SERVICE

MANUAL

O

SANSUI

CD-E770

COMPACT

CAUTION

1.

Parts

safety. Use manufacturer.

2.

Make leakage-current or resistance measurements to determine

acceptably insulated

DISC

identified

only replacement parts

PLAYER

by the A symbol on the schematic diagram and the parts list are critical tor

trom

that

have critical characteristics recommended by the

the supply circuit before returning the appliance to the customer.

OPnCA L DIG ITA L-OUT PUT

that

exposed parts are

O'

0

®

I I • - I — I

I ~ I ~ I •=n-

8

® ®

e

® ®

3

c

»Cautions Concerning Handling of the

The

foilowing label has been affixed to the unit, listing

the proper procedure for working

with

Laser

the

laser

CLASS LASER

[

•

SPECIFICATIONS

Type

Compact disc

Optical pick-up 3-beam laser Wow and Flutter Below measurable limits Dimensions

Weight 3.0 kg (6.6 Ibs) net

360 mm (14-3/16") W

beam.

1

PRODUCT

94

mm (3-3/4") H

301

mm (11-7/8") D

digital

audio system

i[ i[

<

^

-n3)

OH

-n> ^

(ö

ro O) UI

01-

O

OJ

O

UI

Signal

Digital

Signal

Receiver

Processing

Filter

Digital

D/A

Converter

I

00

g r-

A-

output

Hz

O

)0

5

3]

>

O

3c

ï

03 ?

n

33

I

H <

OJ

ï

3

*•

0

2^

—

p

' m

AA AA

Control

Servo Speed

Servo

CLV

3)1

O , O w s

° ° 3 ^ s

If 11^

O

3

? -n

r

=3

O

-1

-<

U5

OD

AMP

Power

I

DIAGRAM

S

c

^ *

* 3

-<

2.

x'

:^

s ? I

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00

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m

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•

CD

BLOCK

CD-E77 0

1.

1

2.

INTERIOR BLOCK DIAGRAM & TERMINAL FUNCTION

CD-E770

OF IC

• CXP5014<DisplayControl>

Function

1/0

Pin No. Pin Name

1

2-5 PD0-PD3

6 PCO

PC1-PC3

7-9

10 PFO

11

12 PF2

13 PF3

14-17 PF0~PF3

18 PBO O

19 PB1 1

20

21 PB3 Transmit strobe

22 PAO O SSB Output terminal

23

26

27

28-43 S0~S15 O

44-51

•

MB8416-20AC5517AP-2/|iPD446C-2/

T7~T0 O Gnd

52 VFPP

53 INT1

EXTAL

55

56 RST

58

60 PY2

62

1/0

1

SI

PF1

PB2 Ready

PA1

VDD

SC 1

Indication data from system control

1

GND

1

Timer play switcti,

1

GND

1 Changing switcti for indication duty,

1 Changing switch

1 FL display check mode switch,

Data bus tïetween CXP5014 & system control

1/0

Ready to received from system control

Transmit strobe from system control

SSB Input terminal

1

VDD

GND

Segment

1

-26V

1

Pull down

1

4.2336

1

+5.0V

1

Indication enable

Indication doek from system control

Function

SW4

for

indication duty,

to

send from system control

to

system control

for FL

Display

MHz

SWO

SW1

SW2

SW3

UM6116-2/CXK-5816 <RAM>

A O O-

ACTIV

H L

O

O O O O O

O O

O

O O

•CXP5043 <Mechanism Control Micro Computer Function>

1/0

No.

DIP

17

19 0 Line Mute

13 1 S

14 1 S

15 0 0

16 0 M

9

10 11

12

5

6

7

22

23

24

25

26 0 27

28 0

29 0

30 0

31 0 System Reset 32 0

33 0

1

2

3 4

38 0

39 0

-O VDD

40

41

-O GND

37 1 SCOR

Por

0 MACK

ACK

REQ

INT

stb

CMD

1/0

CMD

1/0

CMD

1/0 1/0

CMD

1 Tray

1 Pic

1 FOK

1 GFS

1 SENS

1

MUTG

0

Data

XLT

CLK

LDC

Emphasis

WFCK (SQCK)

SC

SI Sub

Tray

1 Stand

1 Test

0

1

2

3

Out Sw

In Sw

Sw

Q

M®

M0

By

Function

ACTIVE

H L

O

O O O O

O O O

O O

O

O O

Nor.

O

O O O O

O O O

O O

O

Test

I/O

I/Oz

1/03

1/04

1/05

1/06

I/O

I/Oe

I

O-

7

O-

o-

O-

Memory Cell Arroy

128

X 128

1

Sense

Amp

scoder

mn

D

Colu

ó

A7 ó As ó A9

ó

A 10

nnnnnnnnnnnn

rvj_5 «)( »-^<ï »w* .wN -

UUUUUUUUUUUU

O

O O O O

tr

r r r r SI - o| ^ > j <

Pin Nam e

Ao~

Aio

R/W

ÖF

CË

l/Ol -1/08

VDD/GND

Address input

Read/Write input

Output Enable Input

Chip Enable Input

Data Input/Output

Power Terminal

2

CD-E770

•CXA-1082 <Focus & Tracking Servo>

•LB1641 <Motor Driver>

OUTl Vtc2 0UT2

9 Q <?

10

•Function <CXA-1082>

Pin No.

8

9

10

Pin Name 1/0

FGD

FS3

FLB

0

A capacitor is connected between this

1

Pin and F3 ( Pin 9) for decreasing highfrequency gain of focus servo.

Terminal for switching high-frequency gain of focus servo.

This Pin is used to connect a time constant for increasing low-frequency characteristic of focus servo.

Description

<CXA-1082>

Pin No. Pin Name 1/0 Description

11

17 TAO 0

20 SLD

45 SPDLO 0

12 13

14, 15

18

19 SL & 1 Sled (Feed) amplifier non-inverting input. 21 22 SSTOP 1

23

24 SENS 0 Terminal for outputting internal condi-

26

27

28

29

30 XLT 1

31

32 DGND

34 PDI 1 PDO signal input from the phase-

35

36

38 C864

40

41 MON

42 FSW This terminal is used to determine a time

44 46

47 FOK 1 48

FEO 0

O

FE SRCH

TGU TG2

G

TA

SL

Q

FSET

C.OUT

DIRC

XRST

DATA

CLK t Serial data clock input the CXP5034H

ISET 0 Terminal for outputting a current to de-

VCOF 1 VCO free-frequency is practically pro-

MDP 1 A spindle motor driving signal input from

SPDL 0

WDCK

MIRR 1 Mirror comparator signal input from the

2 DFCT

3

4

5 ATSC 1 Window compartor input for ATSC de-

6 FE

TE 1 Tracking error amplifier signal input from

TZC 1

Terminal for outputting a signal for driving focus

Terminal for outputting a signal for driving tracking

Terminal for outputting a drive signal for

0

sled motor. Terminal for outputting a drive signal for

spindle (disc) motor. 1 Focus amplifier inverting input. 1 This terminal is used to determine time

constant for genarating focus search wavefoam.

Terminals are used to determine a time constant for switching tracking highfrequency gain.

1 Tracking amplifier inverting input.

Sled amplifier Inverting input.

1

Terminal for inputting a signal from limit switch ON/OFF for detecting innermost track of disc.

1 Terminal for setting focus and tracking

phase-compensation peaks and fo of

CLV LPF.

tion data. Terminal for outputting a signal for

0

counting track number of disc. This terminal is used for one-track jump

—

operation.

Terminal for inputting a reset signal.

—

Reset operation in "L" level. 1 Serial data input from the CXP5034H

mechanism control.

Terminal for inputting a latch signal

for serial data from the CXP5034H

mechanism control.

Ground.

—

comparator of the CXD1125Q digital

signal processing.

termine focus search, track jump and

sleding kick height.

portional to resistance between this Pin and Pin 37.

Internal 8.64 MHz VCO output.

0

the CXD1125 digital signal processing (MDP terminal).

1 A spindle motor ON/OFF signal input

from the CXD1125 digital signal processing (MON terminal).

constant for LPF of CLV servo error signal.

Spindle drive amplifier inverting input.

1 1 Auto sequence clock input.

Typical frequency = 88.2 kHz. FOK signal input from the CXA1081S.

CXA1081S.

1

CXA1081S.

CXA1081S. Tracking zero cross comparator signal

Input.

tection.

1

coil.

Defect comparator signal input from the

Focus error amplifier signal input.

3

•CXA-1081S<RF AMP>

RFO(2>

Eye

Pattern

Point

UD

LD AMP

PD

LD AMP

^

Check

APC Outp ut

APC Input

CD- E77 0

Trackin g

^

Error

Stgnol

Trackin gzyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA

j

Offset

Adiusl

<Functions of

LDON:

This

is

closed.

Main

Ternriinals>

signal is output from pin 30

When

the level of the

LDON

of

the mechanism control processor CXP5034. CXP5034 outputs

terminal (CXA1081S)

(including Q1).

FOK: The timing signal for turning the focus servo

terminal (pins 1 and 2), and the

RF

is a certain value, the level changes

is

"L", a control voltage is output from pin 5 (LD)

ON

is output from the servo control

to

"H".

This

IC

(CXA1082AS).

"H" signal

an

"L" signal when, for example, the tray

to

operate the APC amplifier

When

the

RF

signal

is

used as timing for switching

is

input to the

ON

RF

the focus servo.

4

CD-E770

•CXD1125Q

No.

Name

FSW

1

2 MON 0 Terminal

3 MDP 0

4 MDS 0

EFM

5

ASY

6

LOCK

7

8 VCOO 0 VCO output. When locked

VCOl

9 10 TEST 1

11 PDO 0 Terminal

VST

12

CLK

13

14 XLT

15 DATA 1

16 XRST 1 System reset input. Reset

17 CNIN

18 SENS 0

19 MUTG 1

23 SUBQ 0 Subcording 24

SCOP 0 Subcording data sync S0-^S1 output.

SQCK

25 27 DOTX

28 GFS 0 Frame sync locked condition indicating output.

29 DBo8

DB07

30

31 DBo6

32

DBo5

33

VDD

34

DBo4

35

DB03

DB02

36 37

DBoi RAoi

38

39

RAo2

40

RA03

RAo4

41 42

RAo5

43 RA06

44

RA07

45

RA08

<Digital

1/0

Terminal

0

signal

motor ON/OFF.

Spindle motor drive output. rough control

Spindle motor drive output. speed control.

Terminal

1

er (CXA1081S).

Terminal

0

nal slice level.

0 The GFS signal

"H"

is

8 consecutive times,

f

=

8.6436

1 VCO input.

V).

(0

EFM

for

—

Ground Terminal

1

from Serial data transfer clock.

Terminal

1

CXP5034H. Latches of

8-bit

Serial data input from

input. Tracking pulse input.

1

Outputs internal condition data address.

Muting input. When iszyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA

"L",

input,

1/0

Subcording O data readout clock input/output.

1 Digital data output.

1/0

External

1/0

External

1/0

External RAM data terminal.

1/0

External RAM data terminal.

Positive supply voltage.

-

1/0

External RAM data terminal.

1/0

External RAM data terminal.

1/0

External RAM data terminal.

1/0

External RAM data terminal.

1/0

External RAM address output.

1/0

External RAM address output.

1/0

External RAM address output.

1/0

External RAM address output.

1/0

External RAM address output.

1/0

External RAM address output.

1/0

External RAM address output.

1/0

External RAM address output.

Signal Processing>

Description

to

output a time constant switching

for

output-filter

to

output a control signal

and

to

input a EFM signal from RF amplifi-

to

output a control signal

output through this terminal.

MHz.

to

output a phase comparison signal

signal

(0 V)

to

input a transfer clock

the

CXP5034H.

is

latched

to

input a latch signal from

a

data (serial data from

shift register

MUTG sets and the

Q

RAM

of

spindle motor.

CLV-P mode phase control.

is

sampled

and

the

muted condition

data output.

data terminal. DATAs

data terminal. DATA?

For

at

WFCK/16:

"L" is

output.

to the EFM

VCO/2.

on the

rasing edge

to

the

each register.

the

CXP5034H.

is

performed

internal register ATTM

normal condition

at "H"

DATAe

DATA5

DATA4

DATA3

DATA2

DATAi

ADDRoi

ADDR02

ADDR03

ADDR04

ADDR05

ADDR06

ADDRo?

ADDRos

for

spindle

CLV-S mode

CLV-P mode

for

EFM

sig-

if

"H",

If "L" for

signal,

for

serial data

of the

the

CXP5034H)

at "L"

for

each

at "L"

input.

(MSB)

(LSB)

No.

46 47 RAio

48 49 RAWE

50

51 C4M

52 Vss

53 XTAI

54 XTAO 0 X'tal oscillator circuit input,

55 MDi 1 Mode selection input

56 57 MD3

58 SLOB

59

62 DAoi

63

70

71 DAio

72

73 74

75

76

77

78

79 WDCK

80 LRCK

•NOTES:

1/0

Name

RA09

1/0

External

RAM

1/0

External

RAM

RA11

RACS 0 Chip select signal output

MD2

PSSL 1

DA02

DA09

DA11

VDD

DA12

DA13

DAi4

DA16

1.

External

0 0 Write enable signal output

0 X'tal division output.

-

1

1 Mode selection input

1 Mode selection input 1

0 Outputs DAoi (parallel audio data,

0

0 Outputs

0 Outputs DAio when PSSL= "H",

0 Outputs DAii when PSSL="H",

-

0 Outputs

0

0 Strobe signal output. 176.4 kHz

0 Strobe signal output.

C1F1: C1F2:

PLCK:

2.

UGFS: GTOP:

RAOV:

C4LR:

C2TÜ: C210:

9. DATA: Audio signal serial data output.

RAM

(active

at "L").

(active

at "L").

Ground (OV).

X'tal oscillator circuit input,

16.9344 MHz, depending

to

Terminal data output cord. Serial data output at

"L".

Audio data output mode switching input serial

at "L", and

output

PSSL

=

"H",

Outputs

DA02

when PSSL=

DA09

when PSSL="L".

when PSSL=

Positive supply voltage:

DA12

when PSSL="L".

DA13

when PSSL="L".

DAi4

when PSSL

DA15

when PSSL

DA16

Outputs PSSL

=

"H",

kHz

at DF

44.1

kHz at DF

Cl decoding error correction condition data monitoring output. VCO/2 output, locked Unprotected frame sync pattern output. Frame synchronization protected condition indication output.

±4-frame jitter absorbing flow/under flow indicating output. Strobe signal. 352,8

176.4 C210 inverting output. Bit clock output 4.2336

2.1168

Description

address output.

f =

1.

2.

3.

input a switching signal

at

"H". Parallel data output

parallel output

and

CIFV' when PSSL="L".

when PSSL="H",

"L".

when PSSL="H",

"L".

when PSSL="H",

= "L".

when PSSL="H",

= "L".

(parallel audio data MSB: when

and

DATA's when PSSL="L".

OFF.

88.2 kHz at DF

OFF.

f =

to the FFM

kHz at DF

MHz at DF OFF.

4.3218 signal.

OFF.

ADDR09

ADDR10

ADDR11

to the

external

to the

external

4.2336

MHz.

f =

8.4672 MHz

on the

selected mode.

f =

8.4672 MHz

on the

selected mode.

for

at "H".

LSB)

and

UGFS

and

GTOP

+ 5 V.

and

RAOV

and

C4LR

and

at

DF ON,

ON,

MHz

when

RAM

over-

kHz at DF ON,

MHz at DF ON,

RAM

or

audio

when

C1F2'i

PLCK'2

C2iO''

C2iO"8

88.2

and

< CXD1125Q>

CD-E770

ö 0-

(i)-

SUBCODE

SYNC

DETECTOR

EFM-PLL

23-bit

SHIFT

REGISTER

_L

FRAME

SYNC

CLV SERVO

CONTROL

/

r^.^

DETECTOR/

PROTECTOR/

INSERTER

VCO CIRCUIT

TIMING

GENERATOR

SUBCODE

DEMODULATOR

EFM

DEMODULATOR

ERROR

DETECTOR/

CORRECTOR

INTERPOLATOR

c

SUBCODE

REGISTOR

V

O

29

OBOS

37

DBOl

-(33)

VDD

-^3)

VOD

-W)

TEST

-{ïe)

XRST

-Q9)

MUTG

-(55)

MDI

-(56)

MD2

-@ M03

PSSL

-(59)

-(sa) SLOB

-@

V5S

-fe)

Vss

n

c

CNIN

(17)

TRACKING

COUNTER

X

TAL CIRCUIT

TIMING

GENERATOR

CPU

INTERFACE

CPU

INTERFACE

DIGITAL FILTER

'CXD1 I 300\ ,CXDI

1350

)

RAM

ADDRESS

GENERATOR

SELECTOR

DIGITAL OUT

/CXDII250\ \CXD11350/

6

CD-E770

'Function

No.

3

4

5

6 O

7 O

8

9 0

12 0

17

19 0

20

23

26

39 1

40 1

41

42

43 O

44 O

45

46

47

48

50 1

•

of

System

1/0

Port

O

KEY

SEARCH

O

KEY

SEARCH

0

KEY

SEARCH

KEY

SEARCH

KEY

SEARCH

0

KEY

SEARCH

KEY

SEARCH

Output a chip enable signal for

serial

I/O

CARS

A

1

Serial

Transmit

A

Tray

1

Ready

1

Transmit

Output strobe

Ready

1/0

Data

1/0

Data

1/0

Data

1/0

Data

Ready

micro computer

data to the

clock

data

inten'upting

close signal

output

lo received

to received

bus for mecha micro computer

to received signal

output

strobe

signal

strobe

CXP5014

for indication

trom

signal

from

Terminal Connection of

Control Micro Computer,

Function

for indication

interface micro computer

from

the

CXP5034

from

mecha micro computer

from

interface

FL

Display Tube, CP5370AGR

ACTIV

H

O O O O O O O

O

—

O O

-

O O

-

—

O

L

M50747

No.

51 0

52

53

54

55

56

59

61

62 1

63 1

64

'STA341M <Transistor Array>

20-

1/0

Port

Output strobe to interface micro computer

Ready

0

1/0

I/O

1/0

1

i

to received signal

interface micro computer

Data

bus for interface micro computer

Data

bus for interface micro computer

Data

bus for interface micro computer

Data

bus for interface micro computer

CARSAUTO/I^ANUAL

scan

input

Key

scan

input

Key

scan

input

Key

scan

input

-<58 30-

Function

n

from

ACTIV

H

L

O

to

O

O O 0 0

UANUAL

AUTO

O

-

0

-

O

-

O

-

-07

4a

06

6

5

/IGL.MIXI

CARS

TOTAL

REMAIN

EIÏPTÉS

1EM0RY

PIN CONNECTION

Pin No.

1

Name F

No.

Name

»Grid & Anode Configration

T4

lOVERi

1

(Dd

(De (Dc

®g ®g ®g ®g

(Df ©b ®b ®b ®b

®a ®a ®a

SO

SI

S2

S3

S4

S5

86

S7

TO

1

CHECK

iMEMORVl

ELAPSED

©d

®c

®g

REM/UN

®b

0 0 0

2 SO 3 S1

18

19

15

14

Tl T2 T5

1 ALL

®d ®d © d

®e

®c ®c ®c

®f ®f ®f

4 S2 5 S3 6 S4 7 S5

21

20 13

T2

®e ®e

22 Tl

lINTROl

®a

23 TO

AUTOSfWONG

24 F

T3

^

RANDOM

m

M

m

8 9 S6

S7

8

OU au Ha]

m

IÏ4I 115]

He] HS

I

RANDOM 1

lAUTOSPACINGl

11

12

13

10 S8

S9

S10

TO

SS

®a,ef

S9

lAUTOl

SIC

TOTAL

S11

[>

|MGL.

812

813

8U

815 iMANUALl ©a

MIX|

00

ICARSl

S11

T4

m

Qö]

14 S12

15 S13

Tl

M

c

TRACK

OVER

16 S14

S15

17

T2 T5

©

®e ®e

®c

©g

®f ®f

©b

d

S

® d

®c

® g

® b

®a

T3

1311

m

7

3.

TROUBLESHOOTING

3-1 .

Disk

Loaded,

(Cannot

Read

but No

T.O.C.)

Track

Count

or

Performance

Time

CD-E770

Displayed

C

Is

the disk

ciamped

correctly?

Is

the pick-up in the read-in position?

YES

Is

laser

output

executed?

YES

Does the lens

move

up

and

down?

YES

wlC3(CXA1082AS) wlC(STA341)faulty

f

and

NO

"Check mounting of

Check loading mechanism. Check clamping mechanism.

Faulty pick-up feed. Check the feed mechanism and slide

(feed)

•

wlC3

(CXA1082AS) pin

output:

operating:

•wlC1

(STA341)

output:

operating:

•

Check operation of

. • Faulty microprocessor

Does the level of microprocessor wlC6 Does the level of fICI

(CXA1081)

•fQ1:ST0Pi ON

IFlow

the

current

•

Is

the focus

•

Is

there any

wlC3(CXA1802AS)?

Change

from

•

Is

the focus drive

•

Is

there any

wICI (STA341)f

tray.

motor

circuit.

±1

v stopped: 0.6V

6 (JP5,

±0.4V

stopped: OV

slide

pin 30

(LDON)

(CXP-5034H)

pin 5

(LD) of

change to

E

5V,

C 1.4V,

E

3.6V, C 2.4V, B 3V)

for

operating

search

voltage

output

at

+2V

to

about

voltage

output

at

pin 8 (TP3,

20

pin 5)

motor.

B 4.4V)

11

outout?

YES

(6 )

(SLD)

of

"L"?

the la ser

output?

(FOC) of

-2.5V.

change to

diodë T

TO) of

"L"?

*

Ground

CXI

082AS

an

sine wave is

TPF1.

Is

the disk

Goto©on'page

there a focus

Is

TPF2.

When

is

operating,

output

Does focus

•

Does the pin 9 (SENS) of wlC3 (CXA1082AS) change

motor

functioning?

YES

I)

9.

f

error

output

plek up

YES

from

turn

ON?

output

from

as

follows;

YES

Go to @ on page

at

TP2 or

TPF1 ?

NO

3. 8Vp- p

~ 5 m s/ D IV

"L"->"H"-»"L"->pulse?

H Pulse

Faulty RF amp IC fIC CXA1081S.

OK

NO

inuuuu

1.2Vp-p

NO

9.

10m/s

NO

YES

1

YES

Faulty laser pickup or faulty connector

Does the focus

•

Does the level of

change to

search

"H"?

turn

pin 28

ON?

(FOK) of

NO

•

Is

there a

laser

output

at the

(check using the laser

•

Is

there continuity

with

laser pickup?

power

meter)

the laser pickup focus

JNO

Faulty laser pickup.

Check the

•

_ • Focus gain adjustment.

laser

Is

there any

does not

Eye-pattern

Faulty Faulty focus adjustment.

•

Move

then slowly adjust it.

pickup

output

turn

/

\-L 5ms/DIV

wlC3

the focus offset adjuster

at TP1

ON.

/

\P

output

with

(CXA1082AS)

output.

RR

focus ON.

JP2.

fICI

When

to lts mid

(CXA1081S)

coil?

focus

point,

8

CD-E770

Fram ® on page

there any drive

Is Between pin 1 of terminal

Starting:

During play: 0.8V

Stopped: OV

output

2.8V

at

the spindle

JP3 (fQ1

8.

motor

emitter) and

(disc)?

ground:

YES

Check or exchange spindle

From

SOOit

'Monitor

the

set

to 5ms/DIV. Carry out adjustments so that there are one or — two nan-ow will Does the level at pin ("H"

waveform

"L"

function. Does the

during frame sync.)

at

the GFS terminal

level pulses on the

motor

rotate at the correct speed?

23

(GFS) of wlC6

screen.

motor.

with

the oscilloscope

The servo system

(CXP5034H)

change to

"H"?

YES

Faulty microprocessor or display circuit.

NO

Faulty

wlC3(CX1082AS).

NO

wQ1

YES

Is

there any

output

~ :ing: 3.5V

Starting Stopped: -0.5V During

play:

About

YES

or wQ2.

Is

the level of Input

•

Check RF AdjustPLL Faulty wlC4

•

Check tracking servo circuit. Is

there any Tracking OFF: 2Vp-p During Play: Is

there any Tracking OFF: no

•

Adjust tracking (offset)

•Readjust

at pin

Faulty wlC4

and

EFM

circuit

(VOO).

(CXD1125ÓZ)

output

at

output

at FO of

output

focus (offset)

at pin 45 (SP)

1V

of

NO

41

(MON) of

wlC3

NO

(CXD1125Q2).

signals.

f

orwlC3 (CXA1082AS).

Tl of

TP2?

TP3?

During

Play:

: is i

wICS

(CXAI082AS)?

(CXAI

-1

Vp-p

3.5Vp-p

082AS)

"H"?

3-2. Checking the Tracking Servo Circuit

The spindle

1)

Ground

2)

Check the

3)

Check the

4)

Check the

motor

T2 of TP2.

waveform

No input to pin

waveform

tracking is OFF).

waveform

(disc)

rotates

even

when

the tracking servo

at T1

3

of TP2 (tracking OFF).

of

wlC3

(CXA1082AS).

at

Tl of TP2 (tracking ON, during Play).

(1(1».A

at FO of

TP3

(no

(Ground

T2 of TP2.)

waveform

is

output

2Vp-p

G.5Vp-p

when

is

OFF.

IVp-p

0.5ms/DIV

3-3. Checking the Focus Servo Circuit

1)

Check the

2)

Check the

3)

Ground

waveform

F1

ofTP2.

at

F1

TO of

of TP2.

TP3.

0.15V

Repeated

-0.18V

1(1

0.2Vp-p

fiuctuation in DC voltage.

1

0.5ms/DlV

§

* Checking the DAC Unit of the Amplifier (A-E770/E970)

3-4.

No Sound Even When CD Player's PLAY Key is Pressed

CD-E770

Is the 44.1kHz sampling indicator displayed?

YES

T

Are the CD player's "sec" display, etc, functioning?

• Is digital data being output from the digital OUT terminal?

• Is there any input at pin 28 of the DIN terminal vlC6 YM3623B of the F-6719t>oard in the amplifier? (See waveform diagram 1.)

YES

Faulty vlC6 YM3623B in amplifier.

;

\

!

\

Is the fiber-optic cable connected?

NO

——Goto

on page 11.

NO

®

YES

Is the fiber-optic lighting?

Connect the fiber-optic cable.

YES

NO

Is digital data output from the emitter wQ8 on the F-6110

board of the CD player?

(See waveform diagram 8,9.)

NO

YES

^

Faulty wQ8 on the

NO

\

wlC4 CXD1125QZ.

Faulty wlC5 on the

Faulty amplifier

_vlC5 Check power supply.

F-6110

board of the CD player or

F-6110

board of the CD player.

F-6178

vICI HFBR2550 vlC2, vlC4.

• Is the waveform output from the TP5EFM terminal of the CD player correct?

• Are there too few "L" level pulses at pin 23 (GFS terminal) of wlC6?

• Is the correct waveform output from the RF terminal of TP1?

• Is there much fluctuation, etc, over

1

Vp-p?

YES

• Is digital data being input from the CD player correctly?

• Does the waveform output from the emitter wQB on the F-6110

board of the DC player change when switching between STOP and PLAY (see CD waveform diagrams 8 and 9). Is there digital output from pin 17 (DO terminal) of vlC6 on the PLAY recorded section exists, (see waveform diagram 1) STOP, no recorded section.

F-6179

of the amplifier?

YES

F-6179

board of CD player Check data I/O (LC7881).

Faulty vICI

3 (NJM2082D, etc) or vlC14 (NJM2082D).

)ofvlC11

-

(STM5807EP, etc.) and vlC12

NO

*• Adjust focus tracking and VCO.

No change even after adjustment.

Faulty pickup.

Faulty RAM Faulty

(IC5 CXKSBiePN,

CXD11 25 QZ.

etc) in

-jzyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA

,

sil

CD

player.

-V'

10

CD-E770

From © on

pagezyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA

10.

•

Check

the CD player

• Output Waveform DACof

Point (Pin Point (Pin

Point (pin

Point ® on circuit diagram (pin

A-E770/E970

® of

circuit diagram

28

of

vlC6 on F-6179 board: DIN terminal)

® of

circuit diagram

17

of

vlC6 on F-6179 board: DO terminal)

Waveform

®

on circuit diagram

6 of

vlC6 on F-6179 board: XI terminal)

Waveform

8 of

vICI

2 on F-6179 board:

servo

at

Points

Diagram (1)

Diagram (2)

DATA)

system.

on

!

2.6Vp-p

lOu/DIV

2\//DIV

Point

®:

(DIN

terminal) Point®: pin (DO

terminal)

TRIG

Pin19

16.9344MHz

28

17

Point @ on circuit diagram

fMlllilHi:

Waveform

Point ® on circuit diagram

CLK

<TP4

Point ® on circuit diagram

<R51(X01) on F-6110 board>

terminal on F-6110 board>

Waveform

^

Diagram (5)

Diagram (6)

Diagram (7)

5V

2.6Vp-p

1V/DIV

0.5MS/DIV

lOus/DIV

2V/DIV

4.321MHz

0.05MS/DIV

16.9344MHz

Waveform

Clock

I/O of

1)vlC6

(YM3623B)

(Digital signal interface)

15

(17R

12

(BCO

Pin 8 (0A

terminal) 16.9MHz 5 Vp-p

2)vlC12{LC7881) (D/A

converter) Pin 6 (LRCK Pin 7 (WCLK1 Pin 9 (BCLK

Diagram (3)

Main

ICs

terminal)

terminal) 2.822MHz 5 Vp-p

terminal) 176.4kHz 5 Vp-p

terminal) 8.4677MHz 5 Vp-p

44.1kHz

(during

4.5

Vp-p

- --2MH:

terminal) 176.4kHz 5 Vp-p

3-5. Output Waveforms

CD-E770

Point ® on circuit diagram.

5Vp-p

PLAY)

,

i

at

Each

Point

of

Point © on circuit diagram

Point © on circuit diagram

<Pin

35 (C4M)

F-6110 board>

of

terminal WIC6 (CXP5034H) on

Waveform

Diagram

STOP

1V/DIV l^s/DIV

Waveform Diagram

PLAY

1V/DIV lus/Dl

V

(8)

(9)

5Vp-p

IMS/DIV

0.5V/DIV

Waveform

1

Diagram (4)

Waveform

Diagram (10)

4.2336MHz

4 .

PARTS

4-1.

F-61 1 0 Mai n B o a rd

Par t s

No .

St ock

LIST

OF

<stock

No .

De scr ipt i on

BOARD

NO .OI I 74501

>

Par t s

No .

St o ck

No .

De scr ipt i on

CD-E77 0

u

c

•Transistor fQI fQ2

fQ3

•IC

flCI

•Diode

fDI ,

fCU

fLI fVRI

fVR2

•Diode

A

mD6

vlC5

•Transistor

vQ8

vC18

wOl

•Transistor

wQ2 wQ3 wQ4

wQS w06

wQ7

wQ8 wQ9

•IC

wICI 48667300 wlC2 48982600 wlC3 wlC4 48976700 wlC5

wlC6 wlC7

wXOI 48592500 Ouartz Element

48000801 46367101 48058801

or

46367101 48058801

48839900

46464100

48748400

48289400

46634500 46634300

03117700

49352600

46188601

48748400

48000901 48000801 48171600 DTC114YS 46367101 2SC2603

or

48058801 2SC1740S 48217800 DTC1UES 46367001 2SA1115

or

46367201

or

48058601 46367101 2SC2603

or

48058801 2SC1740S 48171600 DTC114YS 48183400 DTA114YS

49324400

48718000

or

48718100 HPD446C-2 48718200

or or

48839700

or

49322700 49298000 49399500

or

49198700 Quartz 49259100 Quartz Element

or

2SA 934 2SC2603 2SC1740S 2SC2603 2SC1740S

CXA1081S

1SS133

0.1

jiF 50VC.C.

lO^H

Inductor

22ka

S.V.R.,

lOkn

S.V.R.,

10E-2

OPTICAL Received Module

2SA1015

0.1

(iF 50VC.C.

2SC2060 2SA 934

2SA1048 2SA

933S

STA341M LB1641

CXA1082BS CXD11250-Z

TC5517AP-2

MB8416-20 CXK5816PN-12L UM6116-2 CXP5034H-069S M50747-699SP

Tracking Focus

I

Crystal

Offset

;

HC^9/U

•Diode wDI

A

wD2

wD5 wD6 wD7

•Zener Diode wDZI

wDZ2

wR47 48774000 wR56 48770300 wR59 48777700

wC4 wC7 wC25 48748400 wC28 48717900 wC30 wC53 48748400 wC54

wL2 wL3

wVRI wVR2 wVR3 46633900

4-2.

F-61 1 1

<S toc k

Par ts

No .

•Transistor nOl n02 nQ3

• I C nICI

nLDI

nC3

0SI oS2 oS3

oS4 oS5 0S6 oS7 0S8 oS9 0SIO 0SII 49326300

46464100 03117700 46464100 46464100 46464100

48552300

or

48552400 MTZ5.6B

or

48631100

or

48631200 48551400

or

48629900

48748400 48748400

48748400

48289400 lOjiH 48288600

46634500 46634500 22kQ

Con t rol Cir c u it Board

No .

01 1 74 6 01

St o ck

49325700 49325700 49325700

49350900

49351500

48748400

49326300 49326300 49326300 49326300 49326300 49326300 49326300 49326300 49326300 49326300

1SS133 10E-2 1SS133 1SS133 1SS133

MTZ5.6A

RD5.6B1 RD5.6B2 MTZ4.3A RD4.3B1

22k£ix8 22knx6A.R. 22knx10A.R.

0.1nF50VC.C.

0.1

HF 50VC.C.

0.1HF50VC.C.

4.7HF

5.5V E.C.

0.1

nF

50VC.C.

0.1

^F 50VC.C.

0.1^F50VC.C.

Inductor

2.2nH

Inductor

22ka

S.V.R., S.V.R.,

2.2k£2

>

No .

De scr ipt i on

DTC114YL DTC114YL DTC114YL

CXP5014H-318Q

FL.

Display Tube CP5370AGR

0.1

nF 50VC.C.

0.1

nF 50VC.C.

Push

SW.,

Push

SW.,

Push

SW., >/QD „,

Push

SW., •

Push

SW.,

Push

SW.,

Push

SW., «

Push

SW., »

Push

SW.,

Push

SW., RND

Push

SW.,

:

'

A.R. • f t \ i

' '

"

Tracking Gain Focus Gain

S.V.R.,

VCO

CARS OPEN/CLOSE

KM OW

REPEAT

AUTO

SPACING

12

CD-E77 0

Pa rts Li st <F -6 1 11 >

Par ts N o.

oS12 oS13 oS14 oS15 oS16 oS17 oS18

, oS19 oS20 oS21 oS22 oS23 oS24 oS25 oS26

4-3 .

F-6112

Par ts N o.

•IC AmICI

or

A A

48565400

or

49318800 AmlC2 A A

or

49311500

or

49319500

St ock N o.

49326300 49326300 49326300 49326300 49326300 49326300

49326300

49326300 49326300 49326300 49326300 49326300 49326300 49326300 49326300

De scr ip t io n

Push SW-,

1 Push SW., 2 Push SW., 3 Push SW., Push SW.,

TIME

MEMO Push SW., 4 Push SW., 5 Push SW., 6 Push SW., 0 Push SW., CHECK Push SW., 7 Push SW., 8 Push SW., 9 Push SW.,

INTRO Push SW., CLEAR

Pow er Su p ply B oard

St ock N o. De sc rip tio n

07183500

HPC78M05H AN78M05 HPC78M05HF

48561000

AN79M05 HPC79M05H HPC79M05HF

C • ^

5 .

PARTS

LOCATION

ON

BOARD

5-1 .

F-6111

Co mpo ne nt Si d e

• •

-f.

Contro l Sw it ch B o ard

SS

•Diode A mDI A mD2 A mD3 A mD4

mD5

mC5 mC6

A mRI, 2

mFLI mFL2 mFL3 mFL4 mFL5 mFL6 mFL7

oS27

oJI

wLI

1.

Since

some capacitors

lists

in

this

capacitors

Abbreviations

2.

03117700 03117700 03117700 03117700

46464100

48748400 48748400

46401500

-

48484600

48484600 48484600 48419300 48419300 48419300 48419300

49352500

49417300

48289400

Parts

List,

and

resistors,

in

this

Parts

10E-2 10E-2 10E-2

;

10E-2 1SS133

0.1nF50VC.C.

3.9Q 1/2W

Filter Filter Filter Ferrite CORE (BP53BH) Ferrite CORE (BP53BH) Ferrite CORE (BP53BH) Ferrite CORE (BP53BH)

Push SW., POWER

FG Socket

lOjiH

Inductor

and

resistors

refer

to the

Common

which

was

List

are as

N.I.R.

CFG1111-0101

are

omitted

Parts

issued

on June 1987.

follows.

from List

parts

for

| — -Abt

revlatlons

CR. S.R. Ce.R. : Cement Resistor M.R. : Metal Film Resistor F.C. F.R. : Fusing Resistor M.P. N.I.R.

A.R. : Array Resistor CC. : Ceramic Capacitor CT. : Ceramic Capacitor, A.C.

E.C : Elecrolytic Capacitor SW. Switch E.L. : Low Leak Electrolytic

E.B.

List

Carbon

Resistor

: : Solid Resistor

: Non-Inflammable

Resistor P.C Poiystyrene Capacitor

Temperature V.R. Compensation S.V.R.

Capacitor

: Bi-Polar Electrolytic

Capacitor

E.B.L

Ta.C

M.M.C.

Chip

R.

Chip

C.

Low Leak Bi-Poiar Eiectrolytic Capacitor Tantaium Capacitor Fiim Metaiized Paper Capacitor

Metaiized Capacitor Array Capacitor Variable Resistor Semi

Chip Chip

Capacitor

Mylar

Variable Resistor

Resistor Capacitor

13

CD-E770

5-2. F-6110 Main Board

Component Side

rrd-1zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA i zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA-i.

14

CD-E770

5-3. F-6112 Power Supply Board

Component Side

5-4. F-6109 Motor Board

D

Parts No. Stock No. Description

1

2 27655810 Tray 3 27659000 Spring 4 27655900 Disk Plate 5 27657000 CL Plate 6 27656600 Clannper 7 27656910 Clamp Arnn 8 27658900 Spring 9 68064700 Pickup Ass'y 10 27656300 Middle Gaar 11 27422700 Belt 12 27656400 L Pulley 13 27656000 Cum Gaar 14 27727600 Rubber Cushion 15 27656500 L Gear 16 27658800 Support Rail 17 27364110 Turn Tabla

27787300 Tray Panel (Black Model) 27765400 Tray Panel (DMC Model)

15

Parts No. Stock No. Description

18 27656810 LA Plate Spring

19 13303900 Screw, TB2X5 20 27656700 Lift Arm 21 27659100 Spring 22 48829000 Push SW., TRAY OUT

23 46609800 Screw 2 M2X3B, Motor

24 00420600 Screw MB2X6, Motor

25 27364400 Floating Rubber

26 27656200 Feed Gear

27 27656100 Holder Plate

28 48793900 Push SW„ FEED IN

29 48584900 Spindle Motor

30 48829000 Push SW., TRAY IN

31 27572400 Pulley

32 49263100 Loading Motor

33 49263100 Feed Motor

34 27727500 Spacer

16

CD-E770

7. PARTS LIST OF SET

Parts List <Front & Top View>

Parts No. Stock No. D escription

1 27726500 Front Panel Ass'y (Black Model)

1-1 27736200 Knob Ass'y, 1

-2 27736300 Knob Ass'y, 4.5.6.CLEAR 5

1-3 1^

1-5 27713000

2 27787300

DMC:

Dolphin Metallic Color

27726400 Front Panel Ass'y (DMC Model)

27736400 Knob Ass'y, 27713200 Knob Ass'y A (Black Model) 27713300 Knob Ass'y A (DMC Model)

Knob Ass'y B (Black Model)

27713100 Knob Ass'y B (DMC Model)

Tray Panel (Black Model)

27765400 Tray Panel (DMC Model)

1.2.3.MEM

7.8.9.0

17

Parts No.

3

4

6

7 27710500

8

9

10

11

Stock No. Description

27723000 27722900 84606000 Foot Ass'y; front 84606100 49326300

27710400 27690400 Joint shaft 49352500 49417300 49352600

Bonnet (Black Model) Bonnet (DMC Model)

Foot Ass'y, rear

Tact SW., control

Knob, POWER SW. (Black Model) Knob, POWER SW. (DMC Model)

Push SW., POWER FG Socket, System Control Optical Received Module

8. ADJUSTMENTT

CD-E770

C

• Cautions

1.

Turn

the

2.

See Figure

3.

Use the EIAJ test disk

4.

The following band

Step

power

8-1

be carried out.

IN O-

20kn

Item

VCO adjustment (carry out in STOP state)

Tracking offset adjustment

on page 19 for the locations

OFF before reffioving the bonnet.

CD-1.

pass

filter (BPF) is used for adjustments.

Band

Pass

RIter (BPF)

-\ \ -

O.OIMF

20kn

Measuring

Location

Connect a trequency counter toTP4(CLK).

Connect an oscllloscope TP2T1

to

where

:O.OIMF

Adjustment

Location

wVR3(VCOF)

(F-6110)

fVRI (F-6110)

adjustments are to

-OOUT

4.32MHz±30H2

5.

If the adjustment is unsatisfactory and playback is not possible,

adjust

as follows:

1)

Set fVRI, fVR2 and wVR2 to their mid points.

2)

Adjust the VCO (wVR3) and select playback.

3)

Carry out adjustment steps 2 to 5.

6.

In executing steps 2 to 5, connea the

play.

Adjustment

Ground Turn seconds

Ground Playback

(GND)

probe

after setting the disk to

Conditions and Notes

TP5 (EFM)

ON the

power

8th

then wait at

track of

CD-1.

before adjusting.

T2otTP2.

the

least

10

c

Focus

offset

Tracking gain adjustment

Connect an oscllloscope RFofTPL

Connect Tl ofTP2viathe BPF. Connect T2ofTP2viathe BPF.

VTVM

to the

to

fVR2 (F-6110)

wVRI (F-6110)

Set

ttie

oscllloscope to the DC range.

Adjust so that a

Set

to maximum.

Carry out adjustments to achieve a overall pattern and so that the indicated is

wide

TP2T I

TP2T 2

Using reference, adjust the

and

symmetrical.

IN

the

indicated

and b

B

P F

T

BPF

have the

'OUT

OUT

voltage

same

VTVM

-O Q

VTVM

-O Q

at

Tl of TP2

at

T2 to

clean

-3.5dB

level.

portion

as

-3.5dB.

Playback

the 8th

track

of

CD-1.

IR

T2 F2 Tl Fl

TP2

220K

Audio

OSC

^800

Hz

O.SVp-p"?!?

Playback

the

4th

Apply

an

a

to T2 of TP2

track (no signal) of

800Hz

signal

via a resistance

of 0.5Vp-p

of

220kQ.

trom

CD-1.

SG

c

Adjust

wVRI diagram cannot be achieved.

to the positlon

if

you do not have a

wVRl

shown

BPF

in

or if

the

-3.5dB

18

CD-E770

step

Ite m

Focus gain

adjustment

8-1

Fig.

Measuring

Location

Connect VTVM

to F1 ofTP2viathe BPF. Connect VTVM F2

of TP2 via the

BPF.

Adjustment

wVR2

to

Location

(F-6110)

Adjustm ent

VTVM

OUT

BPF

TP 2

F 1

-2.5dB

VTVK

3,P

F

OUT

F1

of TP2 as

IN

TPZF2

Using the indicated voltage at reference, adjust the voltage at F2 to -2.5dB.

TR T 2

iNhen

a

Fig.A

Adjust or B cannot be achieved.

Condit ions and Notes

F2 T 1 F

O

Playback the 4th track (no signal) of Apply an 800Hz signal of

F2

of

TP2

to

wR4

is

240kQ When

wVR1

to position Shown in the Fig.

if

you do not have a BPF or If -2.5dB

1

TP2

|220K

5Vp-p

Audio

__Q800

0.5Vp-p

vla a resistance of

wR4

Fig.B

CSC

HZ

220kn. zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA

is

1

CD-1.

from SG

WMl

A

19

TP 2

(F 1 , Tl, F 2 , T 2,

TR)

TP

6

(TEST,

G)

9.

REPLACEMENT

<

See Exploded Diagram on page 16 and Figures 9-1 to 9-4 .>

A.

How to Remove the Bonnet

Remove

the bonnet by

OK

Front panel

(Side

View)

1.

Remove the 6 bonnet

2.

Lift the bonnet straight up.

Note

that

rear

may result in damage to the

lifting

it straight up.

Bonnet

Fig.

9-1

mounting

forcing the bonnet up at an angle or raising it toward the

OF

Lifting the bonnet at an ^amaged

Front panei

(Side

screws.

front

panel hooks.

MAIN

angle damages the hooks.

View)

PARTS

Hoek is

B.

How to Remove the Tray ®

1.

Remove the bonnet.

2.

Rotate the central hole H in the cam gear ^

pull

3.

Pull the tray out as far as the stopper.

4.

Rotate the tray stopper clockwise and

5.

When replacing the tray,

prevent the tray

C.

How to Insert the Tray

1.

Rotate the cam gear

in the drawing. (The L gear and cam gear are disengaged in this position.)

2.

Mount

press

3.

After inserting the tray,

prevent the tray

D. How to Remove the Clamper Arm ®

1.

Move the clips for retaining the clamper arm holder away

center, then remove the clamper arm.

2.

Take

removed

I

the tray toward the

the tray on the tray holder on the mechanism

it in.

care not to lose the clamper arm tension spring ®, which is

during

front.

from

this operation.

rotate

being pulled out.

until

LA plate spring ® is positioned as shown

rotate

the stopper counterclockwise to

being pulled out.

the stopper counterclockwise to

counterclockwise and

pull

out the tray.

chassis

from

and

the

Fig.

9-2

@

Support Rail

Middle

Gear

Holder

Clamp Arm Holder ®

Cum

Gear

Clamp Arm Holder ®

Tray out Switch Holder

(Tray Stopper) Lift arm

20

CD-E770

E. How to Remove the Pickup Assembly (D

• Cautions when removing the pickup assembly: Solder the points indicated in the figure before disconnecting the two lead connectors. This protects the pickup from damage by static.

1.

Remove the tray damp arm.

2. Rotate the gear holder counterclockwise to remove the middle gear ®.

3.

Shift the supportrail stopper in the dirertion shown by the arrow in the

figure.

4.

Take out the support rail ® and remove the pickup assembly.

5. Disconnect the two leads running from the pickup assembly to the F-6110

board.

• Cautions when renewing the laser pickup assembly:

1.

Connect the two lead connectors to the new pickup assembly.

2. Desolder the two points that were soldered to protect the device from static.

F. How to Remove the Lift Arm

1.

Remove the tray ® and clamper arm ®.

2. Rotate the lift arm stopper clockwise (in the direction of the arrow) then pull out the lift arm in the direction shown by the arrow.

G.

Cautions for Motor Replacement

Ö

-H .

}

t ^

Loadini 3 motor

-1 U

u H

Fig.

9-4

1.

Height adjustment of spindle motor

The spindle motor must be aligned as shown in the figure. As a guide,

the tip of the spindle motor shaft should be aligned with the

top face of the turntable.

2. Height adjustment of loading and feed motor pulleys Align as shown in the figure. Note that the pulleys and motors can be supplied as units.

Loading motor assembly: Stock No. 16544900 Feed motor assembly: Stock No. 16544800

Soldered points

Fig.

D

9-3

21

D

11.

PACKING

LIST

Parts No. Stock No. Description

Note:

Accessories

See

the

are

Amplifier

•Originization

System

Name

MIDI 770

packed

Service

of

System

CD Player

CD-E770

in the

Manual

Component

(B)

amplifier carton.

for

Cassete

D-E770

details

Deck

(B)

of

T-E770/L

the

accessories.

Tuner

(B)

27343800 27721200 27790700 27765500

Amplifier

A-E770

Vinyl Styroform Packing Carton Carton

(B)

Bag

Case Case

Speakers

S-U770

(Black (DMC

Model)

BAR

770

970

CD-h//0

CD-E770

(DMC)

D-E870

D-E970

(DMC)

T-E770/L

(B):

Black Color

(DMC)

Model

A-b//0

(DMC)

A-E970

(DMC)

(DMC): Dolphine Metallic Color

S-U770

S-U970

Model

23

12.

SCHEMATIC

DIAGRAM OF MECHANISM

TRAY I N

5NP-

100

DzyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA

,t

C

B

A

E

1^

F

-R

V

1

-O u

u O

-u

"F

cc

^

• r

LD

JP104 J_

-O

IJP2

JP1031

TRAY OUT r - ^^« ^

PU

STOP

5P1NDLE

FEED

53

r'^J^''^ O

JPlOl

C2

X

8

I

JPI05

X

'LF-6_109_

, _MEC_HANJ_S^^^^ ^

JP105

CONNECTION

OUT-SW

IN-SW STOP-SW

F-MO+ GND T-MOT-MO+

8

S-MO+

If a positive potential is applied to the + terminal:

• The disk rotates forward.

• The pickup moves to the edge.

• The tray is drawn in.

SANSUI

ELECTRIC

CO., LTD.:

ELECTRONICS

CORPORATION:

G.M.B H.:

14-1,

Izumi

PHONE:

1250 17150 South 3036 Koapaka Street. Paul

*

.^«1?+$3È

(SIVI2-n3)

2-chome, Suginami-ku Tokyo 168 Japan

103) 324-8891/TELEX: 232-2076

Valléy

Brook

Ave, Lyndhurst, N.J. 07071 U.S.A.

Margay

Ave. Carson, California 90746 U.S.A,

Honolulu,

Ehrlich Strasse 8, 6074

E W

Hawaii 96819 U.S.A,

Rödermark

2-14-1

Printed in Japan (1989.04.C) <Stock No. 36546800>

(=r 168)

(International

2, West Germany

Division)