Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung DVD DVD-P355 dvd-p355 09_Troubleshooting
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5. Troubleshooting
No focus incoming
A
FE in ZIC1-181
No
is within specified range? Check RIC1 and A, B, C, D input.
(FE Waveform)
Yes
FIC1-27, 28 output No
Check FIC1.
are normal?
Yes
Check open state from
FIC1 to pick-up.
Samsung Electronics 5-1
Troubleshooting
No pick-up home positing
ZIC1-191(SLED-PWM) No
output is normal? Check ZIC1.
(1.7V ~ 1.8V)
Yes
SLED+, SLED- No
FIC1-13, 14 output are Check FIC1.
normal?
Yes
Check the Sled Motor and connection.
5-2 Samsung Electronics
Troubleshooting
NO LD CD ON
B
No
RIC1-22 is 5V? Check RIC1
Yes
Divide RQ2 emitter terminal
voltage and 5V real voltage
difference into 10ohm.
Yes
No
Current exceeds 0.1A? Open check in related circuit.
Yes
LD out pick-up replace.
Samsung Electronics 5-3
Troubleshooting
No Search Operation
MIRR, RIC1-27 No MEVO, RIC1-32 No
output is normal? output level is normal?
(MIRR Waveform)
Yes
Yes
Check pick-up.
Check RIC1 peripheral circuit.
Actual velocity occurs No Check ZIC1 peripheral circuit.
at ZIC1-191 terminal?
Yes
Actual velocity occurs No
at FIC1-13, 14 terminal? Check FIC1 peripheral circuit.
Yes
No No
TE occurs in search range? Focus On? A
(TE Waveform)
Yes
See "Fine Seek Check"
5-4 Samsung Electronics
Troubleshooting
FINE SEEK Check
FINE SEEK MIRR
Yes Check RIC1 Peripheral curcuit.
signal (RIC1-27) is missing?
No
Track incomming is No Time out due to many jump counts.
delayed?
(TE Waveform) (TRD Waveform)
Yes
TE is within No ZIC1-169(TRD) No
2V and 3V? output is normal?
Yes Yes
Check RIC1-6 terminal.
(T+,T- Waveform)
No FIC1-26, 25(T+, T-) No
Pick-up transfer smooth. terminal outputs are
normal?
Yes Yes
Check FIC1 peripheral circuit.
Check Deck.
Check RIC1 peripheral circuit. Check DCN1 and pick-up.
Samsung Electronics 5-5
Troubleshooting
Abnormal rotation of
disc motor
Input of RF SUM No RIC1-54, 55 output No
signal is normal?
(ZIC1-172, 173) is normal?
(SPD Waveform)
Yes Yes
Check RIC1 peripheral
circuit and A, B, C, D.
Check path to RIC1 and ZIC1.
SPD output is normal? No
(ZIC1-189)
Yes
Check ZIC1 peripheral circuit.
FIC1-25 output No
Check FIC1 soldering and power.
is normal?
Yes
FIC1-23 signal No
Check ZIC1.
MON is "H" ?
Yes
Check or replace disc motor.
5-6 Samsung Electronics
Troubleshooting
No Tray open/close
ZIC1 129,130
No
Open ; "L" Check ZIC1 perpheral circuit.
Close ; "H"
(OPEN, CLOSE Waveform)
Yes
Check FIC1-13, 14 No
output at OPEN/CLOSE. Check FIC1 perpheral circuit.
Yes
Check signal line state from
FIC1-13, 14 to tray motor.
Samsung Electronics 5-7
Troubleshooting
CD/VCD/DVD L/R output error
(Mixed Audio output)
Normal DATA 0 is No
Check ZIC1-113 output.
input in AIC1-2?
(DATA0 Waveform)
Yes
Analog output of No Check ZIC1-118
AIC1-7,9(Vout) is DVD;12.2884MHz
normal?
Yes
AIC5-1, 7 output No
Check AIC5 peripheral circuit.
is normal?
Yes
Base terminal level No
of AQ7, AQ9 Check FMIC-11 mute.
are "L"?
Yes
Check JACK1 peripheral
soldering shot.
5-8 Samsung Electronics
Troubleshooting
S-Video output error
Video output of display No Select video output to "S-VIDEO".
setup is "S-VIDEO".
Yes
C
Samsung Electronics 5-9
Troubleshooting
Y/Pr/Pb output error
Video output of display No Select video output to "I-SCAN".
setup is "I-SCAN".
Yes
C
5-10 Samsung Electronics
Troubleshooting
Progressive output error
Video output of No
display setup is Select video output to "Pscan & HDMI".
"Pscan & HDMI".
Yes
C
Samsung Electronics 5-11
Troubleshooting
CVBS Output Error
C
Pin of VDDP No Check the connection between
in ZIC1 has normal level? pin1 in ZIC1 and pin4 in PIC1.
Yes (CVBS Waveform)
27MHz clock
input is normal at No Check ZY1.
pin 142in ZIC1?
Yes
Analog output No
is normal at pin 159 Check the soldering of ZIC1.
in ZIC1?
Yes
Analog signals are No Check the connection between
inputted normally pin158 in ZIC1 and VIC1.
VIC1-4
Yes
Power is No Check the connection between
normal at VIC1-1, 28 VIC1-1 and VL6
Yes
Pin 3,13 in VIC1 No Check the connection between
is in high state? VL6 and pin 1in VIC1.
Yes (VIC-MUTE Waveform)
Peak to peak No
voltage level of VIC1-20 Check the soldering of VIC1
Yes
Video signal of No Check the connection between
about 1V appears at VIC1 and output jack.
output jack?
Yes
Check the RCA cable.
5-12 Samsung Electronics
Troubleshooting
No Power
(Standby LED OFF)
Yes
PFD01 error? Replace fuse.
No
PDS01 voltage No
is normal voltage? Check PDS01 ~ 04.
Yes
Switching operation Yes Replace PIC01.
of PIC01 is normal? Check feed back, 2st voltage.
No
Replace PIC01
Samsung Electronics 5-13
Troubleshooting
Scart output Error
(DVD-P355 Only)
Video output of No
display setup is Select video output to "SCART".
"SCART".
Yes
C
5-14 Samsung Electronics
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