
Troubleshooting
7-7
Samsung Electronics
No front (SET) operation
REF +/-, 5V-all, -28V
power is supplied.
12MHz oscillation (FY1)?
If the problem persists ;
Check after replacing Jack PCB,
with another one.
Check other parts for abnormal
front operation persists.
Check power status.
Check X-TAL peripheral circuit.
Yes
Yes
No
No
Reset working in
FIC1-12?
Check reset peripheral circuit of FIC2.
Yes
No
FIC1 soldering is OK?
Check FIC1 soldering.
Yes
No
Operational waveform
is missing in FIC3
(FLT) pin?
Check FIC1 peripheral circuit.
Yes
Yes
Key of STOP, PLAY, OPEN
work normally?
Check S/W interface.
Check communication status with
main micom
(Check FIC1 pins 27, 72, 73, 74, 75)
No
No
DVD play error
'NO DISK' appears
after pick-up moves up and
down twice at power on?
27MHz clock is
input in DIC1-14?
VIC1 peripheral soldering
and short check.
Check DIC1, MIC1 peripheral short.
Check 27MHz oscillating part.
Yes
No
No
Signals are output
from SIC1-42, 44?
Replace SIC1.
Yes
No
Yes
Содержание DVD-A500
Страница 29: ...Product Specification 3 2 Samsung Electronics MEMO ...
Страница 65: ...Circuit Descriptions 6 20 Samsung Electronics MEMO ...
Страница 75: ...Troubleshooting 7 10 Samsung Electronics MEMO ...
Страница 76: ...Samsung Electronics 8 1 8 Exploded View and Parts List 8 1 Cabinet Assembly 8 2 Deck Assembly Page 8 2 8 4 ...
Страница 81: ...Exploded Views and Parts List 8 6 Samsung Electronics MEMO ...
Страница 95: ...Samsung Electronics 9 14 Electrical Parts List MEMO ...
Страница 97: ...Block Diagram 10 2 Samsung Electronics MEMO ...
Страница 99: ...PCB Diagrams 11 2 Samsung Electronics 11 1 Main COMPONENT SIDE SOLDER SIDE ...
Страница 100: ...11 2 Jack PCB Diagrams 11 3 Samsung Electronics COMPONENT SIDE SOLDER SIDE ...
Страница 101: ...PCB Diagrams 11 4 Samsung Electronics 11 3 S M P S 11 4 AMP ...
Страница 102: ...11 5 Front PCB Diagrams 11 5 Samsung Electronics ...
Страница 103: ...PCB Diagrams 11 6 Samsung Electronics 11 6 Headphone 11 8 Deck 11 7 Key ...
Страница 104: ...Samsung Electronics 12 1 12 Wiring Diagram ...
Страница 105: ...Wiring Diagram 12 2 Samsung Electronics MEMO ...
Страница 107: ...Schematic Diagrams 13 2 Samsung Electronics 13 1 S M P S ...
Страница 108: ...Schematic Diagrams 13 3 Samsung Electronics 13 2 Main Power Supply ...
Страница 109: ...Schematic Diagrams 13 4 Samsung Electronics TO INTERFACE CONNM 13 3 Main Micom ...
Страница 110: ...Schematic Diagrams 13 5 Samsung Electronics 13 4 Servo ...
Страница 111: ...Schematic Diagrams 13 6 Samsung Electronics 13 5 RF ...
Страница 112: ...Schematic Diagrams 13 7 Samsung Electronics 13 6 DSP ...
Страница 113: ...Schematic Diagrams 13 8 Samsung Electronics 13 7 A V Decoder ...
Страница 114: ...13 8 Video Schematic Diagrams 13 9 Samsung Electronics ...
Страница 115: ...Schematic Diagrams 13 10 Samsung Electronics 13 9 Audio 5 1 Channel DSP ...
Страница 116: ...Schematic Diagrams 13 11 Samsung Electronics 13 10 Audio 5 1 Channel Analog ...
Страница 117: ...Schematic Diagrams 13 12 Samsung Electronics 13 11 Audio 2 Channel ...
Страница 118: ...Schematic Diagrams 13 13 Samsung Electronics 13 12 Interface ...
Страница 119: ...Schematic Diagrams 13 14 Samsung Electronics FROM TO 13 13 Amp ...
Страница 120: ...Schematic Diagrams 13 15 Samsung Electronics FROM TO 13 14 Headphone ...
Страница 121: ...Schematic Diagrams 13 16 Samsung Electronics 13 15 Front ...
Страница 122: ...Schematic Diagrams 13 17 Samsung Electronics 13 16 Key ...
Страница 123: ...Schematic Diagrams 13 18 Samsung Electronics 13 17 Deck ...
Страница 124: ...Schematic Diagrams 13 19 Samsung Electronics 13 18 Remote Control ...
Страница 125: ...Schematic Diagrams 13 20 Samsung Electronics MEMO ...