Troubleshooting
6-8
All power is measured
correctly and front cable is
properly connected?
All clocks (20MHz,
33.8688MHz, 27MHz) of main PCB
oscillate normally?
Check A/V decoder signal process block.
Check all clock oscillating parts.
Yes
Yes
No
/CS2, /RD, /WR signal occur?
Check short pin out of micom
common-bus (8-bit).
Check short or operating of micom.
Check soldering of micom and
communication devices.
Yes
No
Play works?
Check ZIC1 peripheral unit.
Yes
No
Yes
Yes
Yes
Yes
C
Key operation or
remote control error
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
C
No
No
Summary of Contents for DVC-605U
Page 59: ...4 24 Disassembly and Reaasembly MEMO ...
Page 79: ...Circuit Descriptions 5 20 MEMO ...
Page 91: ...Troubleshooting 6 12 MEMO ...
Page 92: ...7 1 7 Exploded View 7 1 Cabinet Assembly 7 2 Deck Assembly Page 7 2 7 3 ...
Page 94: ...Exploded Views 7 3 7 2 Deck Assembly 107 906 108 TS16391 ...
Page 95: ...Exploded Views 7 4 MEMO ...
Page 97: ...8 2 Replacement Parts List MEMO ...
Page 99: ...Block Diagram 9 2 MEMO ...
Page 101: ...PCB Diagrams 10 2 10 1 S M P S ...
Page 102: ...PCB Diagrams 10 3 10 2 Main COMPONENT SIDE SOLDER SIDE ...
Page 103: ...PCB Diagrams 10 4 10 3 Jack ...
Page 104: ...PCB Diagrams 10 5 10 4 Front COMPONENT SIDE SOLDER SIDE ...
Page 105: ...PCB Diagrams 10 6 10 5 Key COMPONENT SIDE SOLDER SIDE ...
Page 106: ...PCB Diagrams 10 7 10 6 Deck 10 8 Sensor 10 7 Motor 10 9 Switch ...
Page 107: ...PCB Diagrams 10 8 MEMO ...
Page 108: ...11 1 11 Wiring Diagram ...
Page 109: ...Wiring Diagram 11 2 MEMO ...
Page 111: ...Schematic Diagrams 12 2 12 1 S M P S ...
Page 112: ...Schematic Diagrams 12 3 12 2 Main Micom ...
Page 113: ...Schematic Diagrams 12 4 12 3 Servo ...
Page 114: ...Schematic Diagrams 12 5 12 4 RF ...
Page 115: ...Schematic Diagrams 12 6 12 5 Data Processor ...
Page 116: ...Schematic Diagrams 12 7 12 6 AV Decoder ...
Page 117: ...Schematic Diagrams 12 8 12 7 Video ...
Page 118: ...Schematic Diagrams 12 9 12 8 Audio ...
Page 119: ...Schematic Diagrams 12 10 12 9 Audio 5 1 Channel ...
Page 120: ...Schematic Diagrams 12 11 12 10 AV Interface ...
Page 121: ...Schematic Diagrams 12 12 12 11 Front Micom ...
Page 122: ...Schematic Diagrams 12 13 12 12 Key ...
Page 123: ...Schematic Diagrams 12 14 12 13 Deck ...
Page 124: ...Schematic Diagrams 12 15 12 14 Motor Switch Sensor ...
Page 125: ...Schematic Diagrams 12 16 12 15 Remote Control ...