Troubleshooting
3-2
Samsung Electronics
No pick-up home positing
SIC1-34
output is normal?
Check the Sled Motor and connection
Check MIC1
Yes
No
SLED+, SLED-
SIC3-32, 33 output are
normal?
Check SIC3
Yes
No
NO LD CD ON
RIC1-19 is 5V?
Current exceeds 0.1A?
LD out pick-up replace.
Open check in related circuit.
Check MIC1
Yes
Yes
Yes
No
No
Divide RQ2 emitter terminal
voltage and 5V real voltage
difference into 10ohm.
B
Summary of Contents for DVD-S221
Page 21: ...2 14 Samsung Electronics Disassembly and Reaasembly MEMO ...
Page 30: ...4 1 4 Exploded View and Parts List 4 1 Cabinet Assembly 4 2 Deck Assembly Page 4 2 4 4 ...
Page 35: ...Exploded Views and Parts List 4 6 MEMO ...
Page 45: ...PCB Diagrams 7 2 Samsung Electronics 7 1 Main COMPONENT SIDE SOLDER SIDE ...
Page 46: ...PCB Diagrams Samsung Electronics 7 3 7 2 Jack ...
Page 47: ...PCB Diagrams 7 4 Samsung Electronics 7 3 Key Only for DVD S321 ...
Page 48: ...Samsung Electronics 8 1 8 Wiring Diagrams 8 1 DVD S221 S222 S320 ...
Page 49: ...Wiring Diagrams 8 2 Samsung Electronics 8 2 DVD S321 ...
Page 51: ...Schematic Diagrams 9 2 Samsung Electronics 9 1 Power ...
Page 52: ...Schematic Diagrams Samsung Electronics 9 3 9 2 AV Decoder Main Micom Key ...
Page 53: ...Schematic Diagrams 9 4 Samsung Electronics 9 3 Servo ...
Page 55: ...Schematic Diagrams 9 6 Samsung Electronics 9 5 Front Micom VFD Display Only for DVD S321 ...
Page 56: ...Schematic Diagrams Samsung Electronics 9 7 9 6 Video ...
Page 57: ...Schematic Diagrams 9 8 Samsung Electronics 9 7 Audio Only for DVD S221 S222 S320 ...
Page 58: ...Schematic Diagrams Samsung Electronics 9 9 9 8 Audio Only for DVD S321 ...
Page 59: ...Schematic Diagrams 9 10 Samsung Electronics 9 9 Headphone Only for DVD S321 ...
Page 60: ...Schematic Diagrams Samsung Electronics 9 11 9 10 KEY Only for DVD S321 ...
Page 61: ...Schematic Diagrams 9 12 Samsung Electronics MEMO ...