Troubleshooting
Samsung Electronics
5-3
5-4 No Raster / No RF Signal
Check Q811-B(0.6~2.0V)
Check IC902 #1
No
Q810-E Output
Voltage?
Check H-Drive
(CN003 #8)
Yes
Yes
* No signal
* No Raster
IC902 #1 TV
Power High?
Check Q402,
Q401, D414
Replace
Check/Replace
IC902
Check/Replace
No
No
Check/Replace
No
Check/Replace
No
No
No
Check the
CRT PCB, IC501,
R513, L501
Check
R405, R435
R424, R425
Yes
Q810-E Output
Voltage 8V?
No
Tuner B+
5V?
Tuner 5V
Line Check
No
Yes
Yes
Yes
Tuner 33V
Line Check
Check/Replace
IC902
Replace Q810
Содержание CFTD2085X/SMS
Страница 9: ...Samsung Electronics 3 1 2 Specifications ...
Страница 10: ...MEMO 3 2 Samsung Electronics ...
Страница 101: ...8 4 Samsung Electronics MEMO ...
Страница 102: ...Schematic Diagrams 9 1 Samsung Electronics 9 1 MAIN 1 9 Schematic Diagrams ...
Страница 103: ...Schematic Diagrams Samsung Electronics 9 2 9 2 MAIN 2 ...
Страница 104: ...Schematic Diagrams Samsung Electronics 9 3 9 3 MAIN 3 ...
Страница 105: ...Schematic Diagrams 9 4 Samsung Electronics 9 4 MAIN 4 ...
Страница 106: ...Schematic Diagrams 9 5 Samsung Electronics 9 5 POWER BLOCK ...
Страница 107: ...Schematic Diagrams 9 6 Samsung Electronics 9 6 DEFLECTION BLOCK ...
Страница 108: ...Schematic Diagrams 9 7 Samsung Electronics 9 7 INTERFACE BLOCK ...
Страница 109: ...Schematic Diagrams 9 8 Samsung Electronics 9 8 CRT BLOCK ...
Страница 110: ...Schematic Diagrams 9 9 Samsung Electronics 9 9 Main Micom ...
Страница 111: ...Schematic Diagrams 9 10 Samsung Electronics 9 10 AV Decoder ...
Страница 112: ...Schematic Diagrams 9 11 Samsung Electronics 9 11 Servo Key KEY Only for DVD S224 S224B S225 S225B ...