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5. Troubleshooting

NO Power Detected
(Stand by LED OFF)



No
PAFT1 is normal? Change fuse


Yes




6pin of AIC1 in the Yes
Change AVFP1 LED Module
function key is normal?


No



PVDLL1, PSDZ1
PFZZ1, PVZL1 No Change short circuited or
SHOR and OPEN opened parts
Are normal?
Yes




Is there voitage at No
Collector of Check 2st voltage
QISO1

Yes




Operation of QISO1 is No
Replace QISO1
Normal?

Yes



Check feed back ICISO1




Samsung Electronics 5-1
Troubleshooting




CVBS Video (AV1, RCA)




11pin in MCN2 of jack PCB or No
CON2 of Main PCB has Check the DIC1 on Main PCB
normal level?

Yes



Analog signals are No Check the connection between
inputed normally
11pin MCN2 of Jack PCB and IC216
IC216(pin 31,33)

Yes




Power is No Check the connection between
normal(5V) at IC216(pin 30, 34) IC216 nad BCN2A(pin 5, 6)


Yes



I2C singles in Check the connection between
No
IC216(pin16, 18) are IC216(pin16, 18) and
swinged between 0~5V? FIC1(pin 27,28)

Yes # IF Recorder is under PSO(progressive scan output) MODE, it does not
output the CVBS& S-Video, RGB signal.


Video signal of No
About P-P1V appears at Check the connection between
Output jack? IC216 and output jack


Yes CVBS(Color-bar)



Check the RCA cable




5-2 Samsung Electronics
Troubleshooting




Component (Y, Cb, Cr) output error




2/4/6 Pin in MCN2 of No
Jack PCB or CON2 of Main PCB Check the DIC1 on MAIN PCB
has normal level?

Yes




Analong signals are No Check the connection between pin 2, 4, 6
inputted normally
in MCN2 of Jack PCB and IC216
IC216(pin 27,28,29)
Y(Color-bar)
Yes




Power is normal (5V) at No Check the connection between
IC216(pin 30,34) IC216 and BCN2A(pin5, 6)


Yes
Pb(Color-bar)


I2C singnal in No Check the connection between
IC216(pin16, 18) are swinged IC216 (pin16,18) and
between 0~5V? FIC1 (pin27, 28)

Yes


Pr(Color-bar)
Video signal of No Check the connection between IC216
About P-P1V appears at
and output jack
Output Jack?

Yes


Check the RCA cable


# IF Recorder is under PSO(progressive scan output) MODE, or it does not
output the CVBS& S-Video signal.




Samsung Electronics 5-3
Troubleshooting




S-Video output error



10pin and 8pin in
MCN2 of Jack PCB or CON2 of No
Check the DIC1 on Main PCB
Main PCB has normal
level?
Yes



Analog signals are
No Check the connection between 10pin and
inputted normally
8pin in MCN2 of Jack PCB and IC216
IC216(pin331, 33)

Yes




Power is normal (5V) No Check the connection between
at IC216(pin30, 34) IC216 and BCN2A pin5, 6)


Yes




I2C signal in Check the connection between
No
IC216(pin16, 18) are swinged IC216(pin16, 18) and
between 0~5V FIC1(pin27, 28)

Yes




Video signals of No Check the connection between
about P-P1V appears at
IC216 and output jack
output jack?
Y(Color-bar) C(Color-bar)
Yes


Check the S-Video cable




5-4 Samsung Electronics
Troubleshooting




AV1 (RGB) Output Error




2,4 and 6 pin in MCN2 No
of Jack PCB or CON2 of Main PCB Check Main PCB
has normal level?

Yes



Analog signals are
No Check the connection between 2,4 and
inputted normally
IC216(pin27,28,29) 6pin in MCN2 of Jack PCB and IC216

Yes




Power is No Check the connection between
normal at IC216(pin30, 34)
IC216 and BCN2A (pin5, 6)


Yes




RGB control signal Check the connection between
No
level is 2~3V at 16pin of pin 51 of FIC1 and AV1 JACK
SJACK (AV1JACK)?

Yes




RGB Video signal Check the connection between
No
appears at 7, 11, 15pin of IC216 and output jack
AV1 output jack?

Yes


Check the RCA cable


# IF Recorder is under Component mode (in OSD setup menu),
it does not output RGB out put.




Samsung Electronics 5-5
Troubleshooting




AV2 (RGB) Input Error



Video signal of
about 0.7V appears at input jack? No
Check the Scart cable
(28, 32, 36pin of AV2)

Yes




RGB control signal
No
level is 4V at 27pin of SJACK Check Video out of TV is set RGB mode.
(AV1JACK)?

Yes




Power 5V is nomal No Check the SMPS(AL5.8V)
at IC216(pin30, 34)
and BCN2A(pin2,3)

Yes




MCN2 pin(17,19,21) of
Jack PCB or CON2 of Main PCB
has normal level?

Yes



Check Main PCB




5-6 Samsung Electronics
Troubleshooting




AV3 CVBS Video Input Error




Pin 8 in IC216 No Check the connection between
has normal level? pin8 in IC216 and AV3 pin-jack


Yes



I2C singnals in
No Check the connection between
IC216(pin16, 18) are swinged
between 0~5V? IC216(pin16m 18) and FIC1(pin27,28)

Yes



MCN2-11 of Check the connection between MCN2-11
No
Jack PCB or CON2 of Main PCB of Jack PCB and pin 35 in IC216
has normal level?

Yes



Change Main PCB




Samsung Electronics 5-7
Troubleshooting




There's no Digital Audio Out




Check Current Digital Audio No Check the A/V Receiver No
can Decode Current Set the Bitstream
Setting is PCM.
Bit-Steam
Yes Yes




Check Digital Audio data No
Replace Main PCB
at DR1(Main PCB)

Yes




ChecK Digital Audio data No
pin2 of CON3 Replace Main PCB
(Main PCB)
Yes




No
Check 5V SJACK3 Replace SJACK3
AUDIO DATA
Yes



Check the Cable




5-8 Samsung Electronics
Troubleshooting




AV3 Audio Input is not Recording




Check the select signal pin9,10 No Check pin 30, 36 of the Front Mrcom
of AIC51(Jack PCB) FIC1 (JackPCB)

Yes




Check all the 12Vcc No
pin 16 of AIC51(Jack PCB). Check SMPS


Yes




Check the 3.3V pin14 No
and 5V pin5 of AIC9 Replace Main PCB
(Main PCB)

Yes




Check Digital clock and data No
pin 10, 11, 12, 15 of Replace Main PCB
AIC9(Main PCB)
Digital clock(10) Digital clock(11)
Yes


Check the passive parts
around jack pin.




Digital clock(12) Digital clock(15)




Samsung Electronics 5-9
Troubleshooting




There is no Audio Output




Check he audio signal Yes Check the passive parts around
AR413 and AR473
(Jack PCB) Audio Jack pin.


No




Check all the 5V pin8 No
of AIC1 Check SMPS
(Main PCB)

Yes




Check the audio signal pin7 No
Replace Main PCB
pin8 of AIC1
(Main PCB)
Yes




Check digital clock and No
data pin1, 2, 3, 16 of AIC1 Replace Main PCB
(Main PCB)

Yes AUDIO DATA




Check connection between Main connector (CN1, CN2)
and Jack connector (CN3, CN4)




5-10 Samsung Electronics
Troubleshooting




Disc Loading Error




Are Main and deck No
power OK? Check he power
(5v, 12v)

Yes



Is the 40pin No
FFC cable(betweenmain & deck) Reinsert FFC cable correctly
inserted correctly?

Yes




Is the wavefrom No
of DIC3 pin26 normal? Change the Main board
(Main PCB)
DIC3-Pin26
Yes



Change the deck




Samsung Electronics 5-11
Troubleshooting




Tuner Video Out Abnormal




No
Tuner input line signal Tuner line connect TV directly
is OK? (Jack PCB)

Yes



Supplied power for
tuner is OK? No
Check SMPS (AL5.8V and 33V)
pin1, 3 : 5V
pin16 : 33V
Yes




I2C signal pic11, 12 of No Check between pin 11, 12 of tuner
tuner is OK? and FIC1.


Yes




No
Video output signal of Tuner is OK? Replace TM (tuner) block.
(jack PCB)

Yes Tuner Video


Refer to AV3 Video line error




5-12 Samsung Electronics
Troubleshooting




Tuner Audio Out Abnormal




No
Tuner line signal is OK? Tuner line connect TV directly.


Yes




Supplied power No
for NIC1 (5V,8V)is OK? Check its power line or around elements
(Jack PCB)

Yes




5.5MHz signal from 15 pin No
Check the SIF signal or tuner
of tuner is OK?


Yes




Does NX1 make No
18.432Mhz signal? Check NX1 or around elements
(jack PCB)

Yes Tuner Audio


If Audio R/L signal (30,31pin of NIC1)
is normal, refer to AV3 Audio Line in error




Samsung Electronics 5-13
Troubleshooting




Remocon Not Working




ARM1(pin1) signal No Check the power(pin2) line
is OK? (Key PCB)
of ARM1 is 5V.

Yes




FIC1(58pin) signal No
Check between FIC1(58pin) and ARM1(1pin).
is OK? (Jack PCB)

Yes


Change AIC1 or around elements




5-14 Samsung Electronics