Troubleshooting
5-26
Samsung Electronics
Abnormal rotation of
disc motor
Input of RF signal
is normal? (SIC1-15)
SPD output is normal?
(SIC1-35)
After resoldering SIC1.
SIC3-2 output (FG)
is normal?
SIC3-10 signal
MON is "H" ?
Check or replace disc motor.
Check SIC1, MIC1.
Check SIC3 soldering and power.
Check path to RIC1 and SIC1.
Check RIC1 soldering and power.
RIC1-70 output
are normal?
RIC1-71 output
is normal?
Check RIC1 peripheral
circuit and A, B, C, D.
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No Tray open/close
MIC1-1, 2 is
Open ; "L", "L" ?
Close ; "H", "H"?
Check SIC3-35, 36
output at open/close
Check signal line state from
SIC3-35, 36 to tray motor.
Micom (MIC1) error.
Check SIC3.
Yes
Yes
No
No
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 ...