6-3 No Picture
Troubleshooting
Samsung Electronics
6-3
Yes
No
Check IC101 (TDA9810)
#10 (AGC), #12 (CVBS)
Check/Replace
IC101, Tuner
Replace
Progressive Module
No
Check Progressive
Module M-Y/CVBS,2Hsync,Vsync,
2Y,2R-Y,2B-Y,Href
Check ICL404 (TDA4780)
#14 (Sand castle pulse)
Yes
Yes
Yes
No
No
Check IC401,402,403
#5 (74HC1230
First check the circuitry
connected to the IC and
replace the IC
No
Check
ICL404(TDA4780)#6(B-Y)
#7(R-Y),#8(Y),#27(SDA)
#28(SCL)
Yes
Yes
No
Check CL129,
130,131 and AC2 5P connector for
#6,7,8 Check AC1 12P and SDA,SCL
output of micom module
for #27,28
Check the circuitry near
ICL404 and replace
micom module
No
Check the circuitry near
ICL404, replace IC201
(TDA4780)
Check ICL404(TDA4780)
#20(B-OUT),#22(G-OUT)
#24(R-OUT)
Check ICL204(CXA1853Q)
#9(R-in),#10(G-in),#11(B-in)
No
No
Check the circuitry near
QL401,QL402,QL403
around of ICL404(TDA4780)
Yes
Check ICL205(CXA2504N)
#23,#25,#27,#33,#35,#37
Yes
Yes
Check/ Replace
CNL04 (24P)
Replace ICL205(CXA2504N)
Summary of Contents for SP403JHAX
Page 56: ...Schematic Diagrams 12 2 Samsung Electronics 12 2 MAIN 2 Power Line Signal Line ...
Page 57: ...Schematic Diagrams 12 3 Samsung Electronics 12 3 MAIN POWER Power Line Signal Line ...
Page 58: ...Schematic Diagrams 12 4 Samsung Electronics 12 4 PROSCAN 1 Power Line Signal Line ...
Page 59: ...Schematic Diagrams 12 5 Samsung Electronics 12 5 PROSCAN 2 Power Line Signal Line ...
Page 60: ...Schematic Diagrams 12 6 Samsung Electronics 12 6 PROSCAN 3 ...
Page 61: ...Schematic Diagrams 12 7 Samsung Electronics 12 7 PROSCAN 4 ...
Page 62: ...Schematic Diagrams 12 8 Samsung Electronics 12 8 MAIN u COM ...
Page 64: ...Schematic Diagrams 12 10 Samsung Electronics 12 10 MAIN A V TERMINAL ...
Page 68: ...Schematic Diagrams 12 14 Samsung Electronics 12 14 MAIN SUB MASTER REMOCON PRE AMP ...
