Panasonic AJ-D400P Service Manual - Electrical Adjustment

ELECTRICAL ADJUSTMENT

CONTENTS

Recommended Test and Measuring Equipment.........................................................................4-1

Setup of EVR Tool.......................................................................................................................4-2

Function (Ver. 3.2).......................................................................................................................4-2

E. V. R. Direct Functions .............................................................................................................4-3

Start Adjustment .........................................................................................................................4-3

1. Head Optical Ass’y 1...............................................................................................................4-4

1-1. Reset Pulse Adjustment.................................................................................................4-4

1-2. Clamp Pulse Adjustment................................................................................................4-4

1-3. Sample Pulse Adjustment..............................................................................................4-5

1-4. Reset DC Adjustment ....................................................................................................4-5

1-5. Carrier Leak Adjustment ................................................................................................4-6

1-6. CDS OUT DC Adjustment..............................................................................................4-6

1-7. SUB Voltage Adjustment 1.............................................................................................4-7

1-8. SUB Voltage Adjustment 2.............................................................................................4-8

2. Video Main and DSP...............................................................................................................4-8

2-1. Initial Setting...................................................................................................................4-8

2-2. D3.0V Adjustment ..........................................................................................................4-8

2-3. Ref DC for A/D Adjustment ............................................................................................4-8

3. Encoder...................................................................................................................................4-9

3-1. Y & SYNC Levels Adjustment 1.....................................................................................4-9

3-2. Pr Level Adjustment.......................................................................................................4-9

3-3. Pb Level Adjustment ....................................................................................................4-10

3-4. CAM DC Adjustment....................................................................................................4-10

3-5. Carrier Balance Adjustment ......................................................................................... 4-11

3-6. Y & SYNC Levels Adjustment 2................................................................................... 4-11

3-7. Burst Level & Vector Adjustment .................................................................................4-12

3-8. Video OUT & Sync Adjustment....................................................................................4-12

3-9. Return Video Level Adjustment ...................................................................................4-13

3-10. Mon Enc Level Adjustment ........................................................................................4-13

4. Sync ......................................................................................................................................4-14

4-1. Connection ...................................................................................................................4-14

4-2. 4fsc VCO Adjustment...................................................................................................4-14

4-3. SCH Phase Adjustment ...............................................................................................4-14

4-4. System Phase Adjustment 1........................................................................................4-15

4-5. System Phase Adjustment 2........................................................................................4-15

4-6. REF SCH Adjustment (for PAL only) ...........................................................................4-16

4-7. REF SCH Adjustment (for NTSC only) ........................................................................4-16

4-8. Test Signal Level Adjustment.......................................................................................4-16