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No Search Operation FINE SEEK Check
Samsung Electronics
PS0, PS1 is input FINE SEEK MIRR Yes
No Check RIC1 Peripheral curcuit.
SIC1-2, 3 terminal from Check SIC8 peripheral circuit. signal (RIC1-57) is missing?
SIC8-1, 7?
Yes Yes
7. Troubleshooting
0.1Vp-p sine wave TZCO signal No
(SIC1-52) is occurs? Check SIC1 Peripheral curcuit.
occurs at search at SIC8-2, 6
terminal? No
Yes
Yes
Replace Hall PCB
Track incomming is No
No Time out due to many jump counts.
Actual velocity occurs delayed?
Check SIC1 peripheral circuit.
at SIC1-73 terminal?
Yes
Yes
TE is within No SIC1-76 output No
2V and 3V? is normal?
Actual velocity occurs No
at DRIC2-11, 12 terminal? Check DRIC2 peripheral circuit.
Yes Yes Check RIC1-36 terminal.
Yes
No DRIC2-17, 18 No
Pick-up transfer smooth. terminal outputs are
normal?
Yes Yes
TE occurs in No No Check DRIC2 peripheral circuit.
Focus On? A
search range? Check MECHA.
Yes
Check SIC1 peripheral circuit. Check CN6 and pick-up.
See "Fine Seek Check"
7-1
7-2
Abnormal rotation of No Tray open/close
disc motor
Troubleshooting
Input of RF signal No RIC1-88 output No
is normal? (SIC1-59) MIC1-84, 85 is No
is normal?
Open ; "L", "L" ? Micom (MIC1) erroe.
Close ; "H", "H"?
Yes Yes
Check RIC1 peripheral Yes
circuit and A, B, C, D.
No RIC1-86 output No
SPD output is normal?
(SIC1-74) are normal?
Check DRIC2-26, 27 No
output at open/close Check DRIC2
Yes Yes
After resoldering SIC1. Check RIC1 soldering and power.
Yes
Check path to RIC1 and SIC1.
Check signal line state from
DRIC1-26, 27 to tray motor.
DRIC1-24 output (FG) No
Check DRIC1 soldering and power.
is normal?
Yes
DRIC1-23 signal No
Check DIC1, MIC1.
MON is "H" ?
Yes
Check or replace disc motor.
Samsung Electronics
No Disc recognition No focus incoming
A
Samsung Electronics
LD is outputted No FE in SIC1-65 No
from object lens at B is within specified range? Check RIC1 and A, B, C, D input.
play key input?
Yes Yes
No focus incoming and
no disc occurs. DRIC4-1, 2 output No
Check DRIC4
are normal?
Yes
A
Check open state from
DRIC4 to pick-up.
7-3
Troubleshooting
7-4
No pick-up home positing NO LD ON
B
Troubleshooting
No
SELED FG Ps0, PS1 RIC1-28 is 5V?
No Check SIC8, DRIC2 signal
is input normally. transfer system
(SIC1-2, 3)
Yes
Check MIC1
Yes
RIC1-29 output No RIC1-50 Yes
Check SIC1 soldering and power. is 200mV? output is 0V?
Yes No
LD MPD error. Replace pick-up
Divide RQ1 emitter terminal
voltage and 5V real voltage
difference into 33ohm.
Yes
No
Current exceeds 0.1A?
Yes
Open check in related circuit.
LD out pick-up replace.
Samsung Electronics
CD/VCD/DVD L/R output error Front L/R output error
(Mixed Audio output) (Analog Audio output)
Samsung Electronics
Normal DATA 0 is No Normal DATA 1 is No
Check VIC1-161 output. Check VIC1-163 output.
input in AIC1-7? input in AIC2-7?
Yes Yes
Analog output of Check VIC1-169 Analog output of Check VIC1-169
No No
AIC1-16, 17, 18, 19 (CD/VCD ; 16.9344MHz, AIC2-16, 17, 18, 19 (CD/VCD ; 16.9344MHz,
is normal? DVD ; 18.432MHz) is normal? DVD ; 18.432MHz)
Yes Yes
AOP1-1, 7 output No AOP2-1, 7 output No
Check AOP1 peripheral circuit. Check AOP2 peripheral circuit.
is normal? is normal?
Yes Yes
Base terminal level No Base terminal level No
of AQ1, 2, 3, 4 Check FIC1-98 mute. of AQ5, 6, 7, 8 Check FIC1-98 mute.
are "L"? are "L"?
Yes Yes
Check AVJ2 peripheral Check AVJ3 peripheral
soldering shot. soldering shot.
7-5
Troubleshooting
7-6
Surround L/R output error Center/Sub-Woofer output error
(Analog Audio output) (Analog Audio output)
Troubleshooting
5.1-channel is No Output only in 2-channel 5.1-channel is No Output only in 2-channel
contained in playing disc? (stereo channel) contained in playing disc? (stereo channel)
Yes Yes
Normal DATA 2 is No Normal DATA 3 is No
Check VIC1-164 output. Check VIC1-165 output.
input in AIC3-7? input in AIC4-7?
Yes Yes
Analog output of No Analog output of No
AIC3-16, 17, 18, 19 Check VIC1-169 DVD ; 18.432MHz AIC4-16, 17, 18, 19 Check VIC1-169 DVD ; 18.432MHz
is normal? is normal?
Yes Yes
AOP3-1, 7 No AOP4-1, 7 No
output is normal? Check AOP3 peripheral circuit. output is normal? Check AOP4 peripheral circuit.
Yes Yes
Base terminal level No Base terminal level No
of AQ9, 10, 11, 12 Check FIC1-97 mute. of AQ13, 14, 15, 16 Check FIC1-95, 96 mute.
are "L"? are "L"?
Yes Yes
Check AVJ3 peripheral Check AVJ3 peripheral
soldering shot. soldering shot.
Samsung Electronics
No Power
Digital output error
(Standby LED OFF)
Samsung Electronics
No Yes
Output in VIC1-159 is normal? Check VIC1 peripheral circuit. PF01 error? Replace fuse.
Yes No
Output in No Yes
Check VIC5. PD01 voltage Check PR10.
AIC5-6, 8, 10 is
is missing?
normal?
Yes No
Check AVJ4 peripheral
soldering shot. PIC1 drain (pin 1) No
voltage is missing? Check 2d voltage.
Yes
Voltage exists in No
Check PR11, 12, 13, 14.
PIC1-5?
Yes
Pulse is missing Yes Replace PIC1.
in PIC1-5? Check feed back.
No
Replace PIC1.
7-7
Troubleshooting
7-8
No front (SET) operation DVD play error
Troubleshooting
'NO DISK' appears
REF +/-, 5V-all, -28V No after pick-up moves up and No
Check power status. Check DIC1, MIC1 peripheral short.
power is supplied. down twice at power on?
Yes Yes
No 27MHz clock is No
12MHz oscillation (FY1)? Check X-TAL peripheral circuit. Check 27MHz oscillating part.
input in DIC1-14?
Yes Yes
Reset working in No Signals are output No
Check reset peripheral circuit of FIC2. Replace SIC1.
FIC1-12? from SIC1-42, 44?
Yes Yes
VIC1 peripheral soldering
No and short check.
FIC1 soldering is OK? Check FIC1 soldering.
Yes
Operational waveform Yes
is missing in FIC3 Check FIC1 peripheral circuit.
(FLT) pin?
No
Check S/W interface.
Key of STOP, PLAY, OPEN No Check communication status with
work normally? main micom
(Check FIC1 pins 27, 72, 73, 74, 75)
Yes
If the problem persists ;
Check after replacing Jack PCB,
with another one.
Check other parts for abnormal
front operation persists.
Samsung Electronics
Key operation or C
remote control error
All power is measured Yes
Yes MIC1-9 is fixed to 0V? Check A/V decoder signal process block.
Samsung Electronics
correctly and front cable is Check A/V decoder signal process block.
properly connected?
Yes
No
Yes
All clocks (20MHz, Yes
No MIC7-4, 5 pin is fixed to 0V? Check DVD signal process block.
33.8688MHz, 27MHz) of main PCB Check all clock oscillating parts.
oscillate normally?
Yes
Yes No
Check short pin out of micom MIC1-10, 19
common-bus (8-bit). waveform state (0, 1) Yes
No Check MIC1 peripheral soldering.
/CS2, /RD, /WR signal occur? Check short or operating of micom. changes whenever pressing
front key?
Check soldering of micom and
communication devices.
No
Yes Yes
Check eith article
"No Front (SET) Operation"
No
Play works? Check VIC1 peripheral unit.
Yes
C
7-9
Troubleshooting
Video output error in
7-10
D
RCA Jacks
Troubleshooting
Analog signals
Power level is No Check the connection between
No Check the connection between are inputed normally at pin 2, 4,
normal at pin 6, 17, 20, 25, 28, VIC50 and VIC51, 52.
pin 2 in PIC6 and Emmiter in PQ24. 7 in VIC51, 52?
31, 36, 39 in VIC50?
Yes
Yes
Power is normal No Check the connection between
27MHz clock input No Check the connection between
at pin 16 in VIC51, 52? VIC51, 52 and Emmiter of PQ24.
is normal at pin 4 in pin 10 in VIC6 and pin 4 in VIC50.
VIC50?
Yes
Yes
No
MRST is high state No Check the connection between Pin 1 in VIC51, 52 is in Connect to ground.
at pin 40 in VIC50? pin 1 in FIC1 and pin 40 in VIC50. Low state?
Yes
Yes
Control signal is Video signals of No No
normal at pin 41, 42 in VIC50? No Check the connection between about 2V appear at pin 10, 13, 15 Check the soldering of
(When power on pin 86, 87 in MIC1 and pin 41, 42 in VIC50. in VIC51, 52? VIC51, 52.
or open)
Yes
Yes Change VIC51, 52.
Video signals of No Check the connection between
SYNC signal is No No
Check the soldering of VIC50. about 1V appear at VIC51, 52 and output jacks.
normal at pin 7, 8 in
output jacks?
VIC50?
Yes
Yes
Change VIC50.
Check the RCA cable.
Video data are inputed No Check the connection with
normally at pin 9 ~ 16 in pin 180, 182, 184 ~ 189 in VIC1.
VIC50?
Yes
Analog signals output No No
normally at pin 30, 27, 24, Check the soldering of VIC50.
29, 23, in VIC50?
Yes
Change VIC50.
D
Samsung Electronics
CVBS output error at AV1 CVBS output error at AV2
Fix the TV ASPECT in setup menu to 4/3 LB.
Connect to 4/3 ASPECT TV. Video signal outputs No See "Video output error in
normally in RCA jack? RCA Jacks"
Samsung Electronics
Yes
Video signal outputs No See "Video output error in
normally in RCA jack? RCA Jacks"
CVBS signal is No Check the connection with
Yes inputed at pin 12 pin 30 in VIC50.
in SCIC1?
Function select Yes
No Check the connection between
signal is 9.5~12V at SCQ1~SCQ7 block and pin 100 in FIC1.
pin 8 in AV1?
CVBS signal is No Check the connection betweenpin 9, 10,
Yes outputed at pin 14 11 in SCIC2 and SCQ8 --> "L" state
in SCIC1?
CVBS signal is Yes
No Check the connection with
inputed at pin 12 pin 30 in VIC50.
in SCIC2? OE Check the connection between
CVBS signal is No
Yes outputed at pin 4 pin 14 in SCIC3 and pin 8 in SCIC4.
in SCIC4?