Sega Mega-CD - PCB Repair Flow Chart

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PCB

R.EPA.IR.

FLOW

CHA.R.T

f

START

I

No

I

PICTURE

APPEAR

I

:PICTURE

NOT

.A-PPEAR

I

.

Yes

case

1

I

case

2

case

3

I

CD-ROM

aJM!1AND

NOT

DISPLAY

I

OPf]/SHlrr

OF

DISK-TRAY

I

lNo

I

I

POWER

NOT

ON

I

1

souND

NoT

mME

our

1

l

SOUND

DEFECf

OF

MIXING

I

Yes

I

case

l

case

2

case

1

case

2

case

1

case

2

I

MAIN-BOARD

DEFECf

I

I !ffilA

DRIVE

DEFECf

!

I

CD-UNIT

DEFECf

l

I

SOUND

DEFECT

OF

IIDJA-CD

SIDE

I

DEFECf

OF

PLUG

aJRD

II

MEGA

DRIVE

DEFECf

I I

AC-ADAPTOR

DEFECf

I

SUB-BOARD

DEFECf

I

I

CHANGE

OF

MAIN-BOARD

II

CHANGE

OF

HIDA

DRIVE

II

CHANGE

OF

CD-UNIT

I

DEFECf

OF

FFC-CABLE

I

CHA~E

oF

PLUG

mRD

II

CHANGE

OF

KffiA

DRIVE

II

CIIA~GE

oF

AC-ADAPTOR

I

CIIANGE

OF

sus-BOARD

I

BETWEEN

MAIN-BOARD

&

SUB-BOARD

CHANGE

OF

FFC-CABLE

I

.

BETWEEN

MAIN-BOARD

&

SUB-BOARD

I