Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung DVD DVD-HR733 DVD-HR733XEH Troubleshooting
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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
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