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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