
9-12
Samsung Electronics
4. Disc Presence/Absense Judgment
4
Disc Presence Judgment
Turn On Laser
Does lens move
with UP/DOWN
full stroke in focus
direction?
Does lens move
with UP/DOWN
full stroke in focus
direction?
Disc is presence
No Disc
OK
Is focus search
voltage developed
at pin 11 of DU3?
Check
peripheral
circuit of MU9
Check BUS
line between
DU3 and DU5
Check connection between RU1 and RCN1.
Check BUS line RU1 and DU3.
Check RU1
N
Y
Y
Y
N
No signal
N
Normal
Summary of Contents for HT-DM150
Page 5: ...8 4 Samsung Electronics 4 M62463AFP ...
Page 6: ...Samsung Electronics 8 5 ...
Page 14: ...Samsung Electronics 8 13 6 M11B416256A ...
Page 16: ...Samsung Electronics 8 15 8 3 HT DM150 550 MICOM PORT ASSIGNMENT ...
Page 18: ...Samsung Electronics 9 1 9 TroubleShooting 9 1 1 Main HT DM150 ...
Page 19: ...9 2 Samsung Electronics ...
Page 20: ...Samsung Electronics 9 3 ...
Page 21: ...9 4 Samsung Electronics ...
Page 22: ...Samsung Electronics 9 5 9 1 2 Main HT DM550 ...
Page 23: ...9 6 Samsung Electronics ...
Page 24: ...Samsung Electronics 9 7 ...
Page 25: ...9 8 Samsung Electronics ...
Page 35: ...Samsung Electronics 2 1 2 Exploded Views and Parts List 2 1 1 Total Exploded View HT DM150 ...
Page 37: ...Samsung Electronics 2 3 2 1 2 Total Exploded View HT DM550 ...
Page 63: ...Samsung Electronics 4 1 4 Block Diagram 4 1 MAIN Part HT DM150 ...
Page 64: ...4 2 Samsung Electronics 4 2 MAIN Part HT DM550 ...
Page 66: ...Samsung Electronics 7 1 7 Schematic Diagram 7 1 1 MAIN HT DM150 ...
Page 67: ...7 2 Samsung Electronics 7 1 2 MAIN HT DM550 ...
Page 68: ...Samsung Electronics 7 3 7 2 1 FRONT POWER HT DM150 ...
Page 69: ...7 4 Samsung Electronics 7 2 2 FRONT POWER HT DM550 ...
Page 70: ...Samsung Electronics 7 5 7 3 DSP ...
Page 72: ...Samsung Electronics 7 7 7 5 DVD Backend Parts ...
Page 73: ...7 8 Samsung Electronics 7 6 JACK SCART RCA HT DM150 550 ...
Page 77: ...8 4 Samsung Electronics 4 M62463AFP ...
Page 78: ...Samsung Electronics 8 5 ...
Page 86: ...Samsung Electronics 8 13 6 M11B416256A ...
Page 88: ...Samsung Electronics 8 15 8 3 HT DM150 550 MICOM PORT ASSIGNMENT ...
Page 89: ...ELECTRONICS Samsung Electronics Co Ltd JULY 2002 Printed in Korea Code no AH68 01107V ...