Samsung Electronics
5-1
5. Trouble Shooting
NO Power Detected
(Stand by LED OFF)
PAFT1 is normal?
PADT1~PADT4
SHORT and OPEN
Are normal?
Is there voitage at
PQIZ1[Pin 5]?(Over 10V)
Operation of PQIZ1 is
Normal?
Check feed back
PQIZ1[PIN 3] Is 5.8V
Change fuse
Change PQIZ1 IC.
Replace PQIZ1
Change short circuited or
opened parts
No
Yes
No
Yes
No
Yes
No
Yes
Summary of Contents for DVD-R157
Page 10: ...Precautions 1 6 Samsung Electronics MEMO...
Page 14: ...Product Specification 2 4 Samsung Electronics MEMO...
Page 37: ...Samsung Electronics 6 1 6 Exploded View and Parts List 6 1 Cabinet Assembly 6 2...
Page 40: ...Exploded Views and Parts List 6 4 Samsung Electronics MEMO...
Page 52: ...7 12 Samsung Electronics Electrical Parts List MEMO...
Page 60: ...Wiring Diagram 9 2 Samsung Electronics MEMO...
Page 66: ...PCB Diagrams 10 6 Samsung Electronics COMPONENT SIDE CONDUCTOR SIDE 10 3 Key PCB...
Page 67: ...PCB Diagrams Samsung Electronics 10 7 10 4 Function PCB COMPONENT SIDE CONDUCTOR SIDE...
Page 68: ...PCB Diagrams 10 8 Samsung Electronics MEMO...
Page 83: ...Samsung Electronics 12 1 12 Operating Instructions...
Page 84: ...Operating Instructions 12 2 Samsung Electronics...
Page 85: ...Operating Instructions 12 3 Samsung Electronics...
Page 86: ...Operating Instructions 12 4 Samsung Electronics...
Page 87: ...Operating Instructions 12 5 Samsung Electronics...
Page 88: ...Operating Instructions 12 6 Samsung Electronics...
Page 89: ...Operating Instructions 12 7 Samsung Electronics...
Page 90: ...Operating Instructions 12 8 Samsung Electronics...
Page 91: ...Operating Instructions 12 9 Samsung Electronics...
Page 92: ...Operating Instructions 12 10 Samsung Electronics...
Page 93: ...Operating Instructions 12 11 Samsung Electronics...
Page 94: ...Operating Instructions 12 12 Samsung Electronics...
Page 95: ...Operating Instructions 12 13 Samsung Electronics...
Page 96: ...Operating Instructions 12 14 Samsung Electronics...
Page 112: ...Circuit Operating Descriptions 13 16 Samsung Electronics MEMO...
Page 124: ...Reference Information 14 12 Samsung Electronics MEMO...