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4. Trouble Shooting
4-1 Trouble Shooting -------------------------------------------------------------------------------- 4-2 4-2 Software Update ------------------------------------------------------------------------------- 4-21
Samsung Electronics
4-
Trouble Shooting
4-1 Trouble Shooting
NO Power Detected (Stand by LED OFF)
FS0 is normal?
No
Change fuse
Yes CS0 voltage is normal voltage? Yes Switching operation of ICS is normal? Yes Change the SMPS PCB
Refer to a pattern image of Table 4-1
No
Change BD Refer to a pattern image of Table 4-1
Refer to a pattern image of Table 4-1
No
Change ICS
Refer to a pattern image of Table 4-1
4-
Samsung Electronics
Trouble Shooting
Refer to a pattern image of S.M.P.S PCB page 6-6
Refer to a pattern image of S.M.P.S Page 7-5
Fig. 4- Samsung Electronics 4-
Trouble Shooting
There's no Digital Audio Out
Check Current Digital Audio Setting is PCM. Yes
No
Check the A/V Receiver can Decode Current Bit-Steam Yes
No
Set to Bitstream
Check the Audio Data at AIC (Pin ) Yes Check Digital Audio Data at AIC (Pin ,4,6) Yes Digital Audio cable error
No Refer to a pattern image of Table 4-2
Replace the Main PCB
No Refer to a pattern image of Table 4-2
Check AIC soldering or replace AIC
4-4
Samsung Electronics
Trouble Shooting
q DIGITAL AUDIO DATA
AIC (Pin,4,6,)
Refer to a pattern image of Main PCB page 6-5
Refer to a pattern image of Audio (Main PCB) Page 7-13
Fig. 4- Samsung Electronics 4-
Trouble Shooting
There is no Audio Output
Check the Audio signal at PIN ,4,,6 of AIC Yes Check the Audio signal at pin,,7~48 of AIC Yes Check the Audio signal at AIC4,,6,7 Yes Audio cable error
No
Replace the main PCB
No
Check AIC soldering or replace AIC
No
Check AIC4~7 soldering of peripheral devices
Refer to a pattern image of Table 4-3
4-6
Samsung Electronics
Trouble Shooting
ANALOG AUDIO DATA(AIC4,,6,7)
Refer to a pattern image of Main PCB page 6-4
Refer to a pattern image of Audio (Main PCB) Page 7-13
Fig. 4- Samsung Electronics 4-7
Trouble Shooting
Disc Ioading error
Are Main and deck power OK? (v, v) Yes Is the 40pin FFC cable(between main & deck) inserted correctly? Yes Is the wavefrom of FCON PIN normal? (MAIN PCB) Yes Change the deck
No
Check the power
No
Reinsert FFC cable correctly
No
Change the Main board
Refer to a pattern image of Table 4-4
4-8
Samsung Electronics
Trouble Shooting
q FCON PIN
Refer to a pattern image of Main PCB page 6-4
q
Refer to a pattern image of PATA Control (Main PCB) Page 7-16
Fig. 4-4 Samsung Electronics 4-
Trouble Shooting
Remote control does not work
Remocon battery OK? Yes Is the FFC cable (between Front panel&Main) OK? Yes
No
Change the battery
No
Re-insert FFC cable correctly
FU PIN SIGNAL OK? Yes
No
Check FU or change the Front panel PCB
Refer to a pattern image of Table 4-5
Check the Power of FMIC(Pin) or change the Main PCB
4-0
Samsung Electronics
Trouble Shooting
q Remote control eye data
FU Pin
Refer to a pattern image of Front PCB page 6-8
Refer to a pattern image of Front (Front PCB) Page 7-20
Fig. 4- Samsung Electronics 4-
Trouble Shooting
No Picture
Logo screen is OK ?
No
HDMI?
No
NO LOGO(HDMI)
Yes
Yes
BD/DVD Playback is OK? Yes CHANGE THE MAIN PCB
No
Component?
No
NO LOGO(Component)
Yes NO LOGO (CVBS/S-Video)
4-
Samsung Electronics
Trouble Shooting
NO LOGO (HDMI)
Video selection accords with cable connection and TV mode? Yes Clock, data and SYNC from MIC (HRN~HRN6) Yes pin of HIC is High? (.0~.0V) Yes data output from HIC6? (pin0,,,4,6,7, ,40) Yes HDMI cable error
No
Check the Video select, cable connection, TV mode
No
Check MIC power input, UX7 oscillation, Memory interface Refer to a pattern image of Table 4-6
Refer to a pattern image of Table 4-6
No
Check HCN Connector and HDMI cable connection
No
Check the HIC power input and peripheral devices
Refer to a pattern image of Table 4-7
Samsung Electronics
4-
Trouble Shooting
q Digital Video signal
MIC (HRN~HRN6)
w UX7 _CLOCK SIGNAL (7MHz)
Refer to a pattern image of Main PCB page 6-4
Refer to a pattern image of Sil9134 HDMI (Main PCB) Page 7-10
Refer to a pattern image of SMP8634 GPIO Control (Main PCB) Page 7-14
Fig. 4-6 4-4 Samsung Electronics
Trouble Shooting
q HDMI OUTPUT DATA HIC6 (pin0,,,4,6,7,,40)
Refer to a pattern image of Main PCB page 6-4
Refer to a pattern image of Sil9134 HDMI (Main PCB) Page 7-10
Fig. 4-7 Samsung Electronics 4-
Trouble Shooting
NO LOGO (Component)
Video selection accords with cable connection and TV mode? Yes Video output from MIC (VE6,7,8) Yes Video output from VIC?(VR7,VR44,VR46) Yes Component cable error
No
Check the Video select, cable connection, TV mode
No Refer to a pattern image of Table 4-8
MIC soldering error
No
Check VIC soldering of peripheral devices
Refer to a pattern image of Table 4-9
4-6
Samsung Electronics
Trouble Shooting
q Y(Color-bar) Pin (MIC-VE6)
ew q qw e
w Pb(Color-bar)
Pin (MIC-VE7)
Refer to a pattern image of Main PCB page 6-4
e Pr(Color-bar)
Pin (MIC-VE8)
q
w
e
Refer to a pattern image of MM1757 Analog Video Out (Main PCB) Page 7-15
Fig. 4-8 Samsung Electronics 4-7
Trouble Shooting
q Y(Color-bar)
Pin-VR7
w Pb(Color-bar)
Pin-VR44
Refer to a pattern image of Main PCB page 6-5
e Pr(Color-bar)
Pin-VR46
qw e
Refer to a pattern image of MM1757 Analog Video Out (Main PCB) Page 7-15
Fig. 4- 4-8 Samsung Electronics
Trouble Shooting
NO LOGO (CVBS, S-Video)
Video selection accords with cable connection and TV mode? Yes Video output from MIC (VC, VC,VC4) Yes Video output from VIC?(VR7,VR,VR) Yes Component cable error
No
Check the Video select, cable connection, TV mode
No
MIC soldering error
Refer to a pattern image of Table 4-10
No
Check VIC soldering of peripheral devices
Refer to a pattern image of Table 4-10
Samsung Electronics
4-
Trouble Shooting
q Y(Color-bar) Pin (MIC-VC,VIC-VR7)
w C(Color-bar) Pin (MIC-VC,VIC-VR)
Refer to a pattern image of Main PCB page 6-5
ew q qe w
e CVBS(Color-bar) Pin (MIC-VC4,VIC-VR)
Refer to a pattern image of MM1757 Analog Video Out (Main PCB) Page 7-15
Fig. 4-0 4-0 Samsung Electronics
Trouble Shooting
4-2 Software Update
4-2-1 Main F/W Update Method
1) Insert update CD and close the tray. 4) When finished , power goes off automatically.
Fig. 4-
2) Tray opened automatically, then Press YES if the up date CD you insert is a later one than before.
Fig. 4-
3) Wait about 7 minutes.
Fig. 4-
Samsung Electronics
4-
Trouble Shooting
4-2-2 Loader F/W Update Method (for Disc Physical Problem)
1) Insert update CD and close the tray. 2) Tray opened automatically, then Press YES if the up date CD you insert is a later one than before.
Fig. 4-4 3) Wait about 1~2 minutes.
Fig. 4-
Fig. 4-6 4) When finished , power goes off automatically.
4-
Samsung Electronics