Samsung Electronics
5-1
5. Trouble Shooting
NO Power Detected
(Stand by LED OFF)
PAFT1 is normal?
6pin of AIC1 in the
function key is normal?
PVDLL1, PSDZ1
PFZZ1, PVZL1 SHOR and OPEN
Are normal?
Is there
voitage at Collector of
QISO1
Operation of QISO1
is Normal?
Check feed back ICISO1
Change fuse
Change short circuited or
opened parts
Check 2st voltage
Replace QISO1
Change AVFP1 LED Module
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Summary of Contents for DVD-HR755
Page 70: ...Samsung Electronics 9 1 9 Wiring Diagram ...
Page 72: ...PCB Diagrams 10 2 Samsung Electronics 10 1 S M P S PCB COMPONENT SIDE ...
Page 73: ...PCB Diagrams Samsung Electronics 10 3 CONDUCTOR SIDE ...
Page 78: ...10 4 HDMI PCB CONDUCTOR SIDE IC1 COMPONENT SIDE PCB Diagrams 10 8 Samsung Electronics ...
Page 79: ...PCB Diagrams Samsung Electronics 10 9 10 5 Function PCB CONDUCTOR SIDE COMPONENT SIDE ...
Page 101: ...Samsung Electronics 12 1 12 Operating Instructions ...
Page 102: ...Operating Instructions 12 2 Samsung Electronics ...
Page 103: ...Operating Instructions Samsung Electronics 12 3 ...
Page 104: ...Operating Instructions 12 4 Samsung Electronics ...
Page 105: ...Operating Instructions Samsung Electronics 12 5 ...
Page 106: ...Operating Instructions 12 6 Samsung Electronics ...
Page 107: ...Operating Instructions Samsung Electronics 12 7 ...
Page 108: ...Operating Instructions 12 8 Samsung Electronics ...
Page 109: ...Operating Instructions Samsung Electronics 12 9 ...
Page 110: ...Operating Instructions 12 10 Samsung Electronics ...