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5. Trouble Shooting



NO Power Detected
(Stand by LED OFF)




No
PAFT1 is normal? Change fuse


Yes



6pin of AIC1 in the No
function key is normal? Change AVFP1 LED Module


Yes



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

Yes



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

Yes




Operation of QISO1 No
Replace QISO1
is Normal?

Yes


Check feed back ICISO1




Samsung Electronics 5-1
Trouble Shooting




CVBS Video (AV1, RCA)




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

Yes



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

Yes



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

Yes CVBS(Color-bar)


Check the RCA cable




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




5-2 Samsung Electronics
Trouble Shooting




Component (Y, Cb, Cr) output error




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

Yes



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



Power is normal No Check the connection between
(5V) at 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)
between 0~5V? and FIC1 (pin27, 28)

Yes

Pr(Color-bar)
Video signal No Check the connection between
of About P-P1V appears at IC216 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
Trouble Shooting




S-Video output error




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

Yes


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

Yes



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


Yes



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

Yes



Video signals No
of about P-P1V appears at Check the connection between
output jack? IC216 and output jack

Y(Color-bar) C(Color-bar)
Yes


Check the S-Video cable




5-4 Samsung Electronics
Trouble Shooting




AV1 (RGB) Output Error




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

Yes


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

Yes



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


Yes



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

Yes



RGB Video No Check the connection between
signal 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
Trouble Shooting




AV2 (RGB) Input Error




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


Yes


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


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
Trouble Shooting




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 IC216(pin16m 18) and
between 0~5V? FIC1(pin27,28)

Yes



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

Yes


Change Main PCB




Samsung Electronics 5-7
Trouble Shooting




There's no Digital Audio Out




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

Yes Yes



ChecK Digital No
Audio data PIN20 of CON2 Replace Main PCB
(Main PCB)

Yes



No
Check 5V SJACK3 Replace SJACK3


Yes AUDIO DATA


Check the Cable




5-8 Samsung Electronics
Trouble Shooting




AV3 Audio Input is not Recording




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

Yes



Check audio No Check the around supply
signal (41,42 pin of IC216)
voltage of IC216.
wave form.

Yes



Check the No
supply voltage of VIC1 3.3V Replace Main PCB
(Main PCB)

Yes



Check output I2S No
singnal of audio DAC (VDR48, Replace Main PCB
VDR54,VDR55,VDR56)

Digital clock(10)->VDR48 Digital clock(11)->VDR54
Yes


Check the passive parts
around jack pin.




Digital clock(12)->VDR55 Digital clock(15)->VDR56




Samsung Electronics 5-9
Trouble Shooting




There is no Audio Output




Check he audio No
signal AR413 and AR473 Check the passive parts around
(Jack PCB) Audio Jack pin.

Yes



Check the No
supply voltage of of VIC13.3V Check SMPS
(Main PCB)

Yes



Check the audio No
out signal, pin28,29 of CON2 Replace Main PCB
(Main PCB)

Yes



Check I2S No
singnal of audio ADC Replace Main PCB
(VDR56)

Yes AUDIO DATA VDR56




Check connection between Main connector
(CON2,CON3) and Jack connector (MCN2,MCN3)




5-10 Samsung Electronics
Trouble Shooting




Disc Loading Error




Are Main No
and deck 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 IC203 pin26 normal? Change the Main board
(Main PCB)

Yes IC203-Pin26


Change the deck




Samsung Electronics 5-11
Trouble Shooting




Tuner Video Out Abnormal




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

Yes


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

Yes



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


Yes



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

Yes Tuner Video



Refer to AV3 Video line error




5-12 Samsung Electronics
Trouble Shooting




Tuner Audio Out Abnormal




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


Yes



Supplied No Check its power line or
power for VIC1 (3.3V)is OK?
around elements
(MAIN PCB)

Yes



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


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
Trouble Shooting




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)
is OK? (Jack PCB) and ARM1(1pin).


Yes


Change AIC1 or around elements




5-14 Samsung Electronics