Samsung DVD-R2000 Troubleshooting
Samsung Electronics 3-1
3. Troubleshooting
Loading error
PL11, PL13 voltage is O.K?
Check the power cable.
J4 (MAIN B/D)
Yes
No
Check the front cable.
J6 (MAIN B/D)
Check the 27M crystal.
MX1 (MAIN B/D)
R5 volage is 3.3V?
Yes
No
Clock signal on MR2?
Yes
No
Clock signal on R272,
R273, R274?
Check the RCKIO, U28.
Yes
No
Pulse signal on MR19,
R11, R12?
Check the MIC3, MIC4.
Yes
No
No disc in drive?
Retry without any disc.
Yes
No
Pulse signal on MIC1-8?
Check the EIC1 & resistors.
Yes
No
A
Endless pulse signal
on FIC1 - 13?
No
Yes
GND signal on MR20?
No
Yes
GND signal on FIC1 - 16?
No
Yes
GND signal on FR8?
Check the CIC5.
No
Yes
Check the U15 & resistors.
Check the U21.
Check the U21.
GND signal on FR7?
Check the CIC4.
No
Yes
GND signal on FR6?
Check the CIC1.
No
Yes
Replace the MIC1
A
Troubleshooting
3-2 Samsung Electronics
No Tray Open/Close
Turn off the power.
Shift down the front
door manually.
Open the drive tray manually
(using the drive switch)
Check the Drive power & Front
door power.
Tray open/close?
(Retry with no disc)
Retry with disc.
No
Yes
Loading error?
Check the Loading error procedure.
No
Yes
Tuner video input error
Normal 12C CLOCK
and DATA in JCN3-10,
11 (IO B/D)?
Normal 12C CLOCK
and DATA in TU1-10,
11 (IO B/D)?
Check the connection from
FIC1 (FRONT B/D)
Yes
No
Check the connection between
JCN3 and TU1 (IO B/D)
Check Powers in TU1 (IO B/D)
(pin13 : 5V Pin15 : 33V)
Check the connection between
TU1 and VIC1 (IO B/D)
Check the connection between
TU1 and TIC4 (IO B/D)
Check Sync separation part
(IO B/D) (TIC4, TQ1, TIC2)
Check the connection between
TIC2 (IO B/D) and FIC1 (FRONT B/D)
Yes
No
Normal CVBS signal
in TU1-21 (IO B/D)?
Yes
No
Normal CVBS signal
in VIC1-3 (IO B/D)?
Yes
No
Normal CVBS signal
in TIC4-1 (IO B/D)?
Yes
No
TR17 is High level (IO B/D)?
Yes
No
FIC1-33 is High level
(FRONT B/D)?
Yes
No
B
Troubleshooting
Samsung Electronics 3-3
Normal Video signal
in VIC1-4 (IO B/D)?
Yes
No
Normal Video data in
VIC1-81-90 (MAIN B/D)?
Yes
No
Normal Video data in
TIC2-64-71 (MAIN B/D)?
Normal Video data in
U21-201-208 (MAIN B/D)?
Yes
No
Normal clock in U21-200
(MAIN B/D)?
Yes
No
Yes
No
Normal digital signal
U21-68-178 (MAIN B/D)?
Yes
No
Replace the U21
H
Check the VIC1 (IO B/D)
(Pin6 = 'L' level)
Check the VIC1 (MAIN B/D)
(Clock, Power)
Check the TIC2 (MAIN B/D)
(Clock, Power)
Check the connection between
TIC2 and U21 (MAIN B/D)
Check the connection between
IC1 and U21 (MAIN B/D)
Check the connection between
MIC1 and U21 (MAIN B/D)
B
Tuner audio input error
Tuner video bypass is O.K?
Check the Tuner Video input
error procedure.
Yes
No
Repalce the TU1.
Check the TIC1 (IO B/D)
(Clock, Power)
Check the connection between
TIC1 and AIC1 (IO B/D)
Normal Audio signal in
TU1-18 (IO B/O)?
Yes
No
Normal Audio signal in
TIC1-36, 37 (IO B/O)?
Yes
No
Normal Audio signal in
AIC1-12, 1 (IO B/O)?
Yes
No
C
Troubleshooting
3-4 Samsung Electronics
Digital output error
(Playback)
Analog Audio output is O.K?
Check the L/R output
error procedure
Yes
No
Check U18
Check the connection between
U23 and AIC5
Check the Power of the
AIC5 pin 14 : 5V
Check the connection between
AIC5 and Jacks
Check the connection between
U18 and U23
Check the U23-1 -> 'H' state
Normal digital
data in U18-127
(MAIN B/D)?
Yes
No
Normal digital
data in U23-4
(MAIN B/D)?
Yes
No
Normal digital
data in AIC5-13 (IO B/D)?
Yes
No
Normal digital
data in AIC5-6 (IO B/D)?
Yes
No
Normal digital
data in AJ1, AJ2 (IO B/D)?
Yes
No
Check the cable
D
Digital output error
(Bypass)
Analog Audio output is O.K?
Go to the L/R output error
Yes
No
Check U21
Check the connection between
U21 and U23
Normal digital
data in U21-97
(MAIN B/D)?
Yes
No
Normal digital
data in U23-2
(MAIN B/D)?
Yes
No
D
Troubleshooting
Samsung Electronics 3-5
No Power (Standly LED off)
F01 is O.K?
Yes
No
D1 voltage is O.K?
Yes
No
IC1 drain(pin1)
voltage is O.K?
Yes
No
Voltage exists in IC1-5?
Yes
No
Pulse is O.K in IC1-5?
Yes
No
Check feed back
Replace fuse
Check C7
Check 2nd voltage
Check PR21, PR22, PR23, PR24
Replace IC1
Y/Pb/Pr(480p) output error
Normal digital data
output in U21-71-78
(MAIN B/D)?
Check the U21
Yes
No
Check RP12 and RP13
Check 27MHz oscillation
and change PIC5
Check PRP11, PRP12, PRP9,
PRP10, PRP3, PRP5, PR42, PR32,
PR39, PR40, PR27, PR26
Check the control pins
PIC6-96, 97, 54, 55, 56
Normal digital data
input in PIC5-137-144
(MAIN B/D)?
Yes
No
Normal digital data
input in PIC5-1, 158, 160
(MAIN B/D)?
Yes
No
Normal digital data
input in PIC3-2, 3, 4
(MAIN B/D)?
Yes
No
Normal digital data
output in PIC5-15~27(Pb), 28~41(Pr),
43~56(Y) (MAIN B/D)?
Yes
No
Normal digital data
output in PIC5-15~27(Pb), 28~41(Pr),
43~56(Y) (MAIN B/D)?
Yes
No
Normal digital data
output in PIC5-15~27(Pb), 28~41(Pr),
43~56(Y) (MAIN B/D)?
Yes
No
Check PR44, PR46, PR47
Check the MIC1
E
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