Troubleshooting
7-4
Abnormal rotation of
disc motor
Input of RF signal
is normal? (SIC1-59)
SPD output is normal?
(SIC1-74)
After resoldering SIC1.
SIC4-2 output (FG)
is normal?
SIC4-9 signal
MON is "H" ?
Check or replace disc motor.
Check DIC1, MIC1.
Check DRIC1 soldering and power.
Check path to RIC1 and SIC1.
Check RIC1 soldering and power.
RIC1-86 output
are normal?
RIC1-88 output
is normal?
Check RIC1 peripheral
circuit and A, B, C, D.
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No Tray open/close
MIC1-84, 85 is
Open ; "L", "L" ?
Close ; "H", "H"?
Check SIC4-35, 36
output at open/close
Check signal line state from
SIC4-35, 36 to tray motor.
Micom (MIC1) error.
Check SIC4.
Yes
Yes
No
No
Summary of Contents for DV-P303U
Page 29: ...Reference Information 2 22 MEMO ...
Page 31: ...Product Specification 3 2 MEMO ...
Page 49: ...5 14 Disassembly and Reaasembly MEMO ...
Page 69: ...Circuit Descriptions 6 20 MEMO ...
Page 79: ...Troubleshooting 7 10 MEMO ...
Page 80: ...8 1 8 Exploded View 8 1 Cabinet Assembly 8 2 Deck Assembly Page 8 2 8 3 ...
Page 82: ...8 3 Exploded Views 8 2 Deck Assembly 107 906 ...
Page 83: ...Exploded Views 8 4 MEMO ...
Page 85: ...9 2 Replacement Parts List MEMO ...
Page 87: ...PCB Diagrams 1 11 1 Main COMPONENT SOLDER SIDE ...
Page 88: ...PCB Diagrams 2 11 2 Jack ...
Page 89: ...PCB Diagrams 3 11 3 Key 11 4 Deck ...
Page 90: ...12 1 12 Wiring Diagram ...
Page 91: ...Wiring Diagram 12 2 MEMO ...
Page 93: ...Schematic Diagrams 13 2 13 1 Power ...
Page 94: ...Schematic Diagrams 13 3 13 2 Main Micom ...
Page 95: ...Schematic Diagrams 13 4 13 3 Servo ...
Page 96: ...Schematic Diagrams 13 5 13 4 Video ...
Page 97: ...Schematic Diagrams 13 6 13 5 Audio ...
Page 98: ...Schematic Diagrams 13 7 13 6 RF ...
Page 99: ...Schematic Diagrams 13 8 13 7 ZiVA ...
Page 100: ...Schematic Diagrams 13 9 13 8 DSP ...
Page 101: ...Schematic Diagrams 13 10 13 9 Front Micom VFD Display ...
Page 102: ...Schematic Diagrams 13 11 13 10 Key ...
Page 103: ...Schematic Diagrams 13 12 13 11 Deck ...
Page 104: ...Schematic Diagrams 13 13 13 12 Remote Control ...
Page 105: ...Schematic Diagrams 13 14 MEMO ...