Troubleshooting
Samsung Electronics
6-11
MIC1-9 is fixed to 0V?
MIC7-4, 5 pin is fixed to 0V?
Check A/V decoder signal process block.
Check DVD signal process block.
Yes
Yes
MIC1-10, 19
waveform state (0, 1)
changes whenever pressing
front key?
Check MIC1 peripheral soldering.
Yes
Check eith article
"No Front (SET) Operation"
No
D
No
No
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
Key of STOP, PLAY, OPEN
work normally?
Check S/W interface.
Check communication status with
main micom
(Check FIC1 pins 27, 73, 74, 75, 95)
No
No
Summary of Contents for dvd-711
Page 29: ...Reference Information 2 22 Samsung Electronics MEMO ...
Page 45: ...4 14 Samsung Electronics Disassembly and Reaasembly MEMO ...
Page 71: ...Circuit Descriptions 5 26 Samsung Electronics MEMO ...
Page 83: ...Troubleshooting 6 12 Samsung Electronics MEMO ...
Page 89: ...Exploded Views and Parts List 7 6 Samsung Electronics MEMO ...
Page 99: ...8 10 Samsung Electronics Electrical Parts List MEMO ...
Page 103: ...PCB Diagrams 10 2 Samsung Electronics 10 1 Main COMPONENT SIDE SOLDER SIDE ...
Page 104: ...PCB Diagrams Samsung Electronics 10 3 10 2 Jack ...
Page 105: ...PCB Diagrams 10 4 Samsung Electronics 10 3 Key 10 4 Deck ...
Page 106: ...Samsung Electronics 11 1 11 Wiring Diagram ...
Page 107: ...Wiring Diagram 11 2 Samsung Electronics MEMO ...
Page 109: ...Schematic Diagrams 12 2 Samsung Electronics 12 1 Power 120 127 Voltage ...
Page 110: ...Schematic Diagrams Samsung Electronics 12 3 12 2 Power Free Voltage ...
Page 111: ...Schematic Diagrams 12 4 Samsung Electronics 12 3 Main Micom ...
Page 112: ...Schematic Diagrams Samsung Electronics 12 5 12 4 Servo ...
Page 113: ...Schematic Diagrams 12 6 Samsung Electronics TO AUDIO 5 1 CHANNEL 12 5 Video RCA Jack Output ...
Page 114: ...Schematic Diagrams Samsung Electronics 12 7 TO AUDIO 5 1 CHANNEL 12 6 Video SCART Jack Output ...
Page 115: ...Schematic Diagrams 12 8 Samsung Electronics TO AUDIO 5 1CHANNEL 12 7 Audio ...
Page 116: ...Schematic Diagrams Samsung Electronics 12 9 12 8 Audio 5 1 Channel ...
Page 117: ...Schematic Diagrams 12 10 Samsung Electronics 12 9 RF ...
Page 118: ...Schematic Diagrams Samsung Electronics 12 11 12 10 ZiVA A V Decoder ...
Page 119: ...Schematic Diagrams 12 12 Samsung Electronics 12 11 DSP ...
Page 121: ...Schematic Diagrams 12 14 Samsung Electronics 12 13 Headphone ...
Page 122: ...Schematic Diagrams Samsung Electronics 12 15 12 14 Key ...
Page 123: ...Schematic Diagrams 12 16 Samsung Electronics 12 15 Deck ...
Page 124: ...Schematic Diagrams Samsung Electronics 12 17 12 16 Remote Control ...
Page 125: ...Schematic Diagrams 12 18 Samsung Electronics MEMO ...