
Troubleshooting
Samsung Electronics
5-5
5-6 Horizotal Line
Check/Replace Speaker
IC301(LA7845)#1,
#6 Pin 16.5V,-13.5
Output?
No
Check IC301
#2 Vertical wave
output?
No
Yes
Check/Replace
R425,R424,
D401,D402
IC301 #2 vertial
wave input check
D301,DZ302
DZ303,DZ304,DZ305
DZ306 check?
No
Yes
Yes
Replace IC301(LA7845)
Replace
5-7 No Picture (Sound OK)
1
Check the Brightness, Contrast and Color adjustments
2. Check: AV Picture
3. See Signal Block Diagram
5-8 No Sound (Picture OK)
1. Check the Volume adjustment level.
2. Check AV Video
3. See Signal Block Diagram
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 ...