SAMSUNG SV-DVD6E, SV-DVD3E, SV-DVD3BE Service Manual Troubleshooting

Samsung Electronics 5-1

5. Troubleshooting

(VCR Section)

EE-VIDEO

Insert the

cassette tape recorded by

another VCR and press

PLAY Button

See (Video Missing in EE Mode)

Yes

Play Indicator

in the display

Yes

No

Mechanism

operation

See (Mechanism doesn't

operate in play mode)

Yes

No

PB-VIDEO

See

(Video missing in play mode)

See (PB VIDEO)

audio mising in play mode

Yes

No

Press PLAY key in

remote control

Check IC601-58

Check Timer

Yes

NoNo

Play Mode Inoperative

No Power

(Standby LED OFF)

Fuse F1SS01 is OK?

AL5.8V D1SS14.

Check IC701, DT701.

Change Fuse F1SS01.

Check Trans PT1S01.

Yes

No

AL5V

IC601-14, 92, 69, 70, 41.

Check D620, D692, L605.

No

AL5.8V BD1SS4.

(VCR MAIN PCB)

Check CN701 Wafer

Yes

No

Yes

Check CN701 Connector Wafer.

AL5V IC701-5, 20.

No

Data IN, OUT, CLK

IC701-2, 3, 4.

Yes

No

Yes

Troubleshooting

5-2 Samsung Electronics

CAPSTAN

ROTATION

(S.T REEL)

IC601-98, 99

PROG.SW STATE

IC601-76, 77, 78

CHANGE IC601

CHECK

LOADING MOTOR

MECHANISM OR SW601

TAKE UP REEL SENSOR

SUPPLY REEL SENSOR

(PT601.PT602)

SEE

(CAPSTAN DOES NOT

ROTATE)

NO

DC

STOP MODE

YES

PULSE

YES

A

LOAD A TAPE AND

PRESS PLAY BUTTON

TURN VCR POWER ON

MECHANISM DOESN'T

OPERATE IN PLAY MODE

TAPE LOADING

OPERATION

(LOAD)

IC601-74:HIGH

IC601-75:LOW

(END SENSOR)

IC601-74

CYLINDER

ROTATION

SW 25Hz

IC601-24

CYL FG.PG

IC601-97

SEE IC601-9,

(CYLINDER DOES

NOT ROTATE)

CHECK

START/END SENSOR (S601/S602)

IC601

NO NO

NO

LOW

YES

HIGH

YES

CHECK TAPE AND END SENSOR

CHECK LM B+ AND LM

(VCR Section)

A

Troubleshooting

5-3Samsung Electronics

LOAD TAPE AND

PRESS F.FWD BUTTON

FAST FORWARD

DOESN'T OPERATE

F.FWD

INDICATOR IN

THE DISPLAY

PRESS FF

KEY IN REMOTE

CONTROL

MECHANISM

STATE

IC601-76, 77, 78

CHECK

MECHANISM

CHECK TIMER

CHANGE IC601-58

NO NO

YES

STOP

CAPSTAN MOTOR

ROTATION

SEE

(CAPSTAN DOES NOT

ROTATE)

SEE

(MECHANISM DOES NOT

OPERATE IN PLAY MODE)

STOP

YES

F.FWD

ROTATE

(VCR Section)

RECORD MODE

DOESN'T OPERATE

PLAY

OPERATION

LOAD VCR WITH A

BLANK TAPE AND

PRESS RECORD BUTTON

REC MODE

SAFETY TAB

SEE

(AUDIO MISSING IN

RECORD MODE)

CHANGE SW602 (REC SW)

CHANGE TAPE

SEE

(PLAY MODE

DOESN'T OPERATE)

EJECT NO

NO

YES

REC-VIDEO

SEE

(VIDEO MISSING IN

RECORD MODE)

NO

YES

(VCR Section)

Troubleshooting

5-4 Samsung Electronics

LOAD A TAPE

REWIND DOESN'T

OPERATE

F.FWD

OPERATION

PRESS REWIND

BUTTON

REW

INDICATOR IN

THE DISPLAY

PRESS REW

KEY IN REMOTE

CONTROL

MECHANISM

STATE

IC601-76, 77, 78

CHECK

MECHANISM

CHECK TIMER

CHECK

IC601-58

SEE

(FAST FORWARD

DOESN'T WORK)

NO

YES

STOP

DOES CAPSTAN

MOTOR

ROTATE?

CHECK

IC601-25

(CM F/R)

SEE

(MECHANISM DOES NOT

OPERATE IN PLAY MODE)

NO

YES

REW

YES

(VCR Section)

FWD SEARCH DOESN'T

OPERATE

PLAY

OPERATION

PRESS F.FWD FOR

FORWARD SEARCH

CHECK IC601

CHECK CAPSTAN

MOTOR

IS CAPSTAN

SPEED CHANGED?

SEARCH

OPERATION

NOISE BAR

LOCKING

END

ADJUST

A/CE HEAD

CHANGE DECK

CHANGE IC601

SEE

(PLAY DOESN'T OPERATE)

NO

YES

NO

(CONTROL PULSE)

IC601-89

NO

YES

(VCR Section)

Troubleshooting

5-5Samsung Electronics

TURN THE VCR

POWER ON AND

INSERT A TAPE

PRESS EJECT BUTTON

CASSETTE LOADING

MECHANISM

DOES NOT OPERATE

TAPE DETECTED

CST IN MODE

IC601-74:HIGH(5V)

IC601-75:LOW(0V)

CHANGE IC601

CHECK

START/END SENSOR

IC601

CHECK

DM B

+

LINE

CHANGE CAPSTAN MOTOR

NO NO

NO

YES

IC601-39 (5V)

IC601-38 (0V)

IC601-38 (5V)

IC601-39 (0V)

CHECK

CASSETT LOADING

MECHANISM

YES

NO

CN604-8 (12.5V)

YES

NO

YES

(VCR Section)

REV. SEARCH DOESN'T

OPERATE

PLAY

OPERATION

PRESS REWIND BUTTON

FOR REV. SEARCH

CHECK CAP F/R LINE

IS CAPSTAN

SPEED CHANGED?

SEARCH

OPERATION

FWD SEARCH

END

CHECK IC601

CHANGE DECK

CHANGE IC601

SEE

(PLAY DOESN'T OPERATE)

NO

(PLAY MODE)

NO

YES

CAP F/R

IC601-25

HIGH

(SEARCH MODE)

YES

NO LOW

CHECK IC601

H'D AMP/ENV COMP.

CHECK CAPSTAN

MOTOR

NOISE BAR

LOCKING

ADJUST

A/CE HEAD

NO

(CONTROL PULSE)

IC601-89

NO

YES

(VCR Section)

Troubleshooting

5-6 Samsung Electronics

VIDEO MISSING IN

RECORD MODE

PLACE THE VCR

RECORD MODE

VIDEO EE MODE

OPERATION

VIDEO SIGNAL

IC301-48, 50, 52

VIDEO SIGNAL

IC801-4

CHECK VIDEO HEAD

CHECK

IC801, C804, C805

SEE

(VIDEO MISSING IN EE MODE)

NO

YES

(VCR Section)

VIDEO SIGNAL

IC301-59

CHECK

C340

FM VIDEO

IC301-78

CHANGE

Q307, C3Q4

FM VIDEO

IC301-88 (LP)

IC301-94 (SP)

CHECK

CN301 CONNECTION

PLACE VCR IN STOP MODE

VIDEO MISSING IN

EE MODE

TUNER MODE

OPERATION

NO

VIDEO SIGNAL

IC801-3

APPLY VIDEO SIGNAL

TO FRONT VIDEO INPUT JACK AND

SET TO LINE MODE BY INPUT SEL BUTTON.

CHECK JC801

VIDEO SIGNAL

CHECK IC301-61 TO

JC801-19 LINE

CHECK

SV-DVD3E/DVD6E TO

TV CONNECTION.

NO

YES

NO

VIDEO SIGNAL

JC801

YES

VIDEO SIGNAL

IC301-61

VIDEO SIGNAL

IC301-50

CHECK TM401

ANTENNA IN

CHECK IC801-3 TO

TM401-24 LINE

NO

VIDEO SIGNAL

TM401-24

CHECK IIC CLK,

DATA LINE

CHECK IC301

NO

IIC CLK, DATA

IC301-68, 69

(VCR Section)

Troubleshooting

5-7Samsung Electronics

COLOR MISSING IN

RECORD MODE

(VIDEO IN)

RECORD MODE

COLOR SIGNAL

IC301-58

COLOR-KILLER

IC301-33(2V)

CHANGE IC301

CHECK THE REC LINE

CHANGE XT301

CHECK XT301

SEE PAGE 5-6

(VIDEO MISSING IN RECORD

MODE)

YES

NO

YES

NO

YES

NO

(VCR Section)

VIDEO MISSING IN

PLAY MODE

VIDEO EE MODE

OPERATION

PLACE THE VCR PLAY MODE

CHANGE IC301 CHECK IC6P01, Q6P01, R6P10

CHECK

CN301 CONNECTION

CHECK

Q3Q1, C395

CHECK

IC601-24

CHECK VIDEO

OUT LINE

SEE PAGE 5-6

(VIDEO MISSING IN EE MODE)

NO

YES

NO

YES YESYES

VIDEO FM

IC301-21

VIDEO SIGNAL

IC301-78

VIDEO SIGNAL

IC301-65

VIDEO SIGNAL

IC6P01-19

VIDEO SIGNAL

IC301-61

NO

H'D SW

IC301-70

NO

YES

NO NO NO

CHECK C380

(VCR Section)

Troubleshooting

5-8 Samsung Electronics

OSD PICTURE MISSING

CHECK

IC301-65

CHECK

IC6P01-19

CHANGE

IC6P01

CHECK IC6P01-9, 10, 11

SEE PAGE 5-7

(VIDEO MISSING IN PLAY MODE)

NO

YES

NO

(VCR Section)

COLOR MISSING IN

PLAY MODE

FM-ENV

IC301-25

COLOR SIGNAL

IC301-58

COLOR-KILLER

IC301-33(2V)

COLOR-ROTARY

IC301-70

CHANGE

IC301

CHECK IC301-27, 34

XT301

CHECK IC601-29

SEE PAGE 5-7

(VIDEO MISSING IN PLAY MODE)

NO

YES

NO

YES

(VCR Section)

CHECK

IC301-61

Troubleshooting

5-9Samsung Electronics

CHECK

(AUDIO MISSING IN EE MODE)

PLACE IN PB MODE

AUDIO MISSING IN

PB MODE

CHANGE IC501

YES

IC501-78, 80

NO

AUDIO SELECT

CHECK C3A16

MONO

HI-FI

IC301-5

AUDIO SIGNAL

NO

YES

CHECK

C3A17 AND CHANCE IC301

IC301-6

DC : 2.3V

YES

NO

(VCR Section)

CHECK ACE HEAD

R3A07, R3A08, R3A06, C3A15

AND CHANGE IC301

CHECK IC501-40, 39, 38

(H'D SW, EC, CLK, IC DATA)

AND CHANGE CYLINDER OR IC501

PACE VCR IN STOP MODE

BLUE MISSING IN

STOP MODE

CHANGE IC601

SELECT LINE

MODE WITHOUT

INPUT SIGNAL

IC601-72 "H"

CHECK IC6P01-8 TO IC601-72

NO

YES

CHECK IC6P01

IC6P01-9, 10, 11

(STB, CLK, DATA)

CHECK IC601-6, 7, 8

NO

YES

IC6P01-8 "H"

(SYNC JUDGE)

VIDEO SIGNAL

IC6P01-19

NO

CHECK OSD VIDEO IN LINE

YES

NO

(VCR Section)

Troubleshooting

5-10 Samsung Electronics

CHECK

Q3A03, Q3A02

CHECK

R3A04

CHECK

R373

IC301-15

AUDIO SIGNAL

IC501-4

AUDIO SIGNAL

NO

CHECK IC301-68, 69

CLOCK, DATA

CHECK

C523, R512, R511

NO

YES

NO

YES

CHECK

IC301-14, C3A02

IC301-12 AND CHANGE IC301

CHANGE IC501

IC301-11

AUDIO SIGNAL

IC301-100

AUDIO SIGNAL

IC301-5

MIX SIGNAL

(AUDIO

+

70KHz)

CN3A01-4

OSCILLATION

NO

CHECK (AUDIO MISSING

IN PB MODE)

CHECK

PB MODE

CHECK

ACE HEAD

MONO

YES

MISSING AUDIO

IC501-7, 69

AUDIO SIGNAL

IC501-26

AUDIO FM

CHECK

CYLINDER

CHANGE IC501

CHECK

R815, R816, L809, L810, JC801

CHECK

(AUDIO MISSING

IN EE MODE)

AUDIO MISSING IN

REC MODE

MONO

HIFI

MONO

NO

YES

CHECK IC501

5V AND 9V LINE

CHECK IC501-38, 39

(CLK, DATA)

NO

YES

(VCR Section)

Troubleshooting

5-11Samsung Electronics

CAPSTAN DOES

NOT ROTATE

PLACE THE VCR

IN PLAY MODE

CN604-2

24V

CN604-3

PC 5V

CN604-9

CN604-5

CN601-3

OUTPUT (PWM)

IC601-10

CAP M CTL

CHECK

CAPSTAN MOTOR

CHECK

R660, C691

CHECK R609, R685, C623

CHANGE

IC601

CHECK

IC601

CHECK

B+ IN THE POWER BLOCK

CHECK

5.8V AT PC5.8V LINE

IN THE POWER BLOCK

NO

NO NO

NO

YES

NO

YES

NO

YES

YES YES

(VCR Section)

PLACE VCR IN STOP MODE

AUDIO MISSING

IN EE MODE

CHECK

C524, C525, R546, R547

CHECK IC501

CHECK

TUNER BLOCK AND IC4N01

CHECK

R517, R518, R509, R510

INPUT SELECT MODE

IC501-7, 69

AUDIO SIGNAL

INPUT

IC501-51, 53

AUDIO SIGNAL

INPUT

NO

LINE NO

TUNER

YES

IC501-78, 80

AUDIO SIGNAL

NO

YES

CHECK IC601

IC501-38, 39

CLK, DATA

NO

YES

(VCR Section)

Troubleshooting

5-12 Samsung Electronics

DRUM DOES

NOT ROTATE

PLACE THE VCR IN

PLAY MODE

IC604-8

12V

CYL-SPEED

XT601-18, 19

(8MHZ)

CHECK

CYLINDER MOTOR

CHANGE

XT601, C624, C625, R613

CHECK D-PG, D-FG

IC601-97

CHECK

12V AT PC12V LINE

IN THE POWER BLOCK

NO

FASTER

NO

YES

SLOWER

YES

(VCR Section)

Troubleshooting

5-13Samsung Electronics

No focus incoming

FE in SIC1-25

is within specified range?

DRIC1-26, 27 output

are normal?

Check open state from

DRIC1 to pick-up.

Check RIC1 and A, B, C, D input.

Check DRIC1.

Yes

No

C

(DVD Section)

No Disc recognition

LD is outputted

from object lens at

play key input?

No focus incoming and

no disc occurs.

Yes

No

D

C

(DVD Section)

Troubleshooting

5-14 Samsung Electronics

NO LD CD ON

RIC1-21 is 5V?

Current exceeds 0.1A?

LD out pick-up replace.

Open check in related circuit.

Check MIC1

Yes

No

Divide RQ5 emitter terminal

voltage and 5V real voltage

difference into 10ohm.

D

(DVD Section)

No pick-up home positing

SLD, SIC1-34

output is normal?

Check the Sled Motor and connection

Check MIC1

Yes

No

SLED+, SLED-

DRICI-32, 33 output are

normal?

Check DRIC1

Yes

No

(DVD Section)

Troubleshooting

5-15Samsung Electronics

FINE SEEK Check

FINE SEEK MIRR

signal (RIC1-46) is missing?

TZCO signal

(SIC1-24) is occurs?

Track incomming is

delayed?

TE is within

2V and 3V?

Pick-up transfer smooth.

Check RIC1 Peripheral curcuit.

Check SIC1 Peripheral curcuit.

Time out due to many jump counts.

Check SIC1 peripheral circuit.

SIC1-33 output

is normal?

DRIC1-28, 29

terminal outputs are

normal?

Check CN1 and pick-up.

Check MECHA.

Check RIC1-26 terminal.

Check DRIC1 peripheral circuit.

Yes

No

(DVD Section)

No Search Operation

MIRR, SIC1-157

output is normal?

Actual velocity occurs

at SIC1-34 terminal?

Actual velocity occurs

at DRIC1-32, 33 terminal?

Check RIC1 peripheral circuit.

RFAGCO, RIC1-72

output level is normal?

Check SIC1 peripheral circuit.

Check DRIC1 peripheral circuit.

No

Yes

TE occurs in

search range?

Focus On?

Yes

C

See "Fine Seek Check"

No

Yes

Check pick-up.

No

(DVD Section)

Troubleshooting

5-16 Samsung Electronics

No Tray open/close

MIC1-48, 49 is

Open ; "L", "L" ?

Close ; "H", "H"?

Check DRIC1-35, 36

output at open/close

Check signal line state from

DRIC1-35, 36 to tray motor.

Micom (MIC1) error.

Check DRIC1.

Yes

No

(DVD Section)

Abnormal rotation of

disc motor

Input of RF signal

is normal? (SIC1-15)

SPD output is normal?

(SIC1-35)

After resoldering SIC1.

DRIC1-2 output (FG)

is normal?

DRIC1-10 signal

MON is "H" ?

Check or replace disc motor.

Check SIC1, MIC1.

Check DRIC1 soldering and power.

Check path to RIC1 and SIC1.

Check RIC1 soldering and power.

RIC1-70 output

are normal?

RIC1-71 output

is normal?

Check RIC1 peripheral

circuit and A, B, C, D.

Yes

No

(DVD Section)

Troubleshooting

5-17Samsung Electronics

Digital output error

Output in ZIC1-127 is normal?

Output in

DOIC1-6, 8, 10 is

normal?

Check JACK1, DOIC2

peripheral soldering shot.

Check ZIC1 peripheral circuit.

Check DOIC1.

Yes

No

Yes

(DVD Section)

CD/VCD/DVD L/R output error

(Mixed Audio output)

Normal DATA 0 is

input in AIC2-2?

Analog output of

AIC2-7, 8 is normal?

Check JACK1, JK801 Audio out

peripheral soldering shot, IC801.

Check ZIC1-121 output.

Check ZIC1-125

(CD/VCD ; 16.9344MHz,

DVD ; 18.432MHz)

Yes

No

AIC4-1, 7 output

is normal?

Check AIC4 peripheral circuit.

Yes

No

Base terminal level

of AQ3, AQ6 are 'L'

Check IC601-50 mute.

Yes

No

(DVD Section)

Troubleshooting

5-18 Samsung Electronics

RGB output error

DVD SETUP in OSD

DVD OUT is "RGB"?

VIC1-24, 21, 18 signal?

(MM1567)

Change the DVD OUT mode to RGB.

Check CN4.

Yes

No

Yes

Check ZIC1.

(ZIVA 4.1)

No

VIC1-2, 4, 6 signal?

Check VIC1.

Yes

E

(DVD Section)

S-Video output error

DVD SETUP in OSD

DVD OUT is "S-Video"?

VIC1 2, 4, 6 signal?

(MM1567)

Change the Alt video mode to S-Video.

Check VIC1.

Yes

No

Yes

Check ZIC1.

(ZIVA4.1)

No

Yes

E

(DVD Section)

Troubleshooting

5-19Samsung Electronics

CVBS output error

27MHz clock

input is normal at

pin 159 in ZIC1?

Analog output

is normal at pin 133

in ZIC1?

Check the connection between

pin 6 in XIC1 and pin 129 in ZIC1.

Check the soldering of ZIC1.

Yes

No

Analog signals are

inputted normally pin 26 in

CN01? (VCR MAIN PCB)

Yes

No

Analog signals are

inputted pin 54 in IC301

Yes

No

Yes

Check the connection between

pin 133 in ZIC1 (DVD MAIN PCB)

and CN01 (VCR MAIN PCB).

Check L804, C828, C827.

No

Check the IC801.

Pin of VDD_2.5 &

VDD-3.3 in Zic1 has

normal level?

Check the connection between pin 23, 24, 25

in (VCR)CN01 and pin 23, 24, 25 in CN4.

Yes

No

Video signal

JC801-19?

Yes

Check the JC801/SCART cable.

E

(DVD/VCR Section)

Troubleshooting

5-20 Samsung Electronics

MEMO