1. Power check flow.....................................................................................................................3-2
2. System operation flow ............................................................................................................3-3
3. Test & debug flow ....................................................................................................................3-4
2. SDRAM CLOCK ......................................................................................................................3-12
3. TRAY OPEN/CLOSE SIGNAL ................................................................................................3-12
8. FOCUS ON WAVEFORM........................................................................................................3-16
1. Overall Block Diagram ..........................................................................................................3-22
3. SERVO Block Diagram ..........................................................................................................3-24
3. SYSTEM Circuit DIAGRAM ...................................................................................................3-31
4. DRIVER Circuit DIAGRAM.....................................................................................................3-33
5. TIMER Circuit DIAGRAM .......................................................................................................3-35
7. SCART Circuit DIAGRAM .....................................................................................................3-39
• CIRCUIT VOLTAGE CHART ....................................................................................................3-41
1. MAIN P.C.BOARD ...................................................................................................................3-43
2. KEY P.C.BOARD.....................................................................................................................3-45
3. TIMER P.C.BOARD .................................................................................................................3-46
4. SMPS P.C.BOARD ..................................................................................................................3-47
SECTION 3
ELECTRICAL
CONTENTS
..................................................................................................................3-22
................................................................................................................3-27
............................................................................................3-43
......................................................................3-2
3-1
....................3-10