Samsung SV-7000W, SV-5000W-XAA Troubleshooting
CHECK
AL 5.8V AT PIN
17 OF PT01
CHECK
AL 15 AT PIN
19 OF PT01
CHECK
AL 9V AT PIN
21 OF PT01
CHECK
AL 38V AT PIN
20 OF PT01
CHECK AND CHANGE
D33, C34, L33, C35
CHECK AND CHANGE
L31, D32, C32, L32, C33
CHECK AND CHANGE
L30, D31, C31
CHECK AND CHANGE
D30, C30
A
NO
NO
NO
NO
YES
YES
YES
Samsung Electronics 5-1
5. Troubleshooting
S.M.P.S.
INOPERATIVE
CHECK
AC CORD
CHECK
VOLTAGES AT PINS
2,6,8,10
OF PT01
CHECK
VOLTAGES
AT PIN 2 OF
PT1SD1
CHECK
VOLTAGES AT
IC01
CHECK R10
AND SECOND CIRCUITS
CHECK AND CHANGE
R10, R11, R12, R13, R14,
D10, R17
CHECK AND CHANGE
D01, D02, D03, D04, D05,
F01
CHANGE AC CORD
A
NO
NO
NO
YES
YES
NO
YES
YES
Alignment and Adjustment
5-2 Samsung Electronics
LOAD A TAPE AND
PRESS PLAY BUTTON
TURN VCR POWER ON
MECHANISM DOESN'T
OPERATE IN PLAY MODE
TAPE LOADING
OPERATION
(LOAD)
IC601-38:HIGH
IC601-39:LOW
(END SENSOR)
IC601-76
CYLINDER
ROTATION
NTSC : SW 30Hz
PAL : SW 25Hz
IC601-24
CYL FG.PG
IC601-96.97
SEE
(CYLINDER DOES
NOT ROTATE)
CHECK
START/END SENSOR
IC601
NO NO
NO
NO
LOW
YES
YES
HIGH
YES
YES
CHECK TAPE
CHECK IC602
B
PLAY MODE
INOPERATIVE
EE-VIDEO
INSERT THE CASETTE
TAPE RECORDED BY
ANOTHER VCR AND
PRESS PLAY BUTTON
PLAY
INDICATOR
IN THE DISPLAY
PRESS PLAY KEY
IN REMOTE
CONTROL
MECHANISM
OPERATION
SEE (PB VIDEO) AUDIO MISSING
IN PLAY MODE
SEE
(MECHANISM DOES NOT
OPERATE IN PLAY MODE)
CHECK TIMER
CHECK
IC601, XT602
SEE
VIDEO MISSING
IN EE MODE
NO
NO NO
YES
NO
PB-VIDEO
SEE
VIDEO MISSING
IN PLAY MODE
NO
YES
YES
YES
DOES NOT OPERATE
OR OPERATES
BUT STOP SOON
YES
Alignment and Adjustment
Samsung Electronics 5-3
RECORD MODE
DOESN'T OPERATE
PLAY
OPERATION
LOAD VCR WITH A
BLANK TAPE AND
PRESS RECORD BUTTON
REC MODE
SAFETY TAB
D-REC A (H)
IC601-1
FULL ERASE (H)
IC601-68
SEE
(AUDIO MISSING IN
RECORD MODE)
CHANGE RS601
CHECK IC601
CHANGE TAPE
SEE
(PLAY MODE
DOESN'T OPERATE)
EJECT NO
YES
NO
REC-VIDEO
SEE
(VIDEO MISSING IN
RECORD MODE)
NO
YES
YES
YES
CAPSTAN
ROTATION
(S.T REEL)
IC601-98.99
PROG.SW STATE
IC601-63.64.65
CHANGE IC601
CHECK
LOADING MOTOR
MECHANISM OR SW601
TAKE UP REEL SENSOR
SUPPLY REEL SENSOR
(PT601.PT602)
SEE
(CAPSTAN DOES NOT
ROTATE)
B
NO
DC
STOP MODE
YES
PULSE
YES
Alignment and Adjustment
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
IC601-93.98.99
CHECK
MECHANISM
CHECK TIMER
CHECK
IC601. XT602
SEE
(FAST FORWARD
DOESN'T WORK)
NO NO
YES
STOP
DOES CAPSTAN
MOTOR
ROTATE?
CHECK
IC601-25
(CM F/R)
SEE
(MECHANISM DOES NOT
OPERATE IN PLAY MODE)
NO
YES
F.FWD
YES
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
IC601-93.98.99
CHECK
MECHANISM
CHECK TIMER
CHANGE IC601, XT602
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
Alignment and Adjustment
Samsung Electronics 5-5
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
NO
CAP F/R
IC601-25
NO
(SEARCH MODE)
YES
NO
LOW
CHECK IC601
CHECK CAPSTAN
MOTOR
NOISE BAR
LOCKING
ADJUST
A/CE HEAD
NO
(CONTROL PULSE)
IC601-89
NO
YES
YES
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
NO
NO
YES
NO
(CONTROL PULSE)
IC601-89
NO
YES
YES
YES
YES
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