Sanyo VM-EX280P - Contents

CONTENTS
,.,
1. ABBREVIATIONS
.......................................... 1-1
20 LEADLESS COMPONENT .......””””.”.”.............
2-1
2-1. IDENTIFICATION ........................................ 2-1
2-2. REMOVAL ................................................ 2-3
3. DISASSEMBLY .................?-......................... 3-1
3-1.
3-2.
3-3.
3-4.
3-5.
3-6.
3-7.
L
3-8.
SCREWAIVASHER IDENTIFICATION .............3-1
REMOVAL OF TOP LID ............................... 3-2
REMOVAL OF CASSETTE LID AND
TERMINAL COVER ..................................... 3-3
REMOVAL OF FRONT CABINET AND
CABINET ASSEMBLY (RIGHT) “..” ....”””.”””””.”.. 3-4
REMOVAL OF CABINET ASSEMBLY (LEFT)
AND VIEWFINDER ..................................... 3-5
REMOVAL OF PW1 BOARD, CAMERA BLOCK
ASSEMBLY AND STAND ASSEMBLY ............3-6
REMOVAL OF CP1 BOARD AND
MECHANISM ASSEMBLY .............................3-7
REMOVAL OF CAMERA LENS BLOCK,
CP2 BOARD AND MICROPHONE UNIT ...3-8
4.
BLOCK DIAGRAM . ......................................4-1
4-1. BOARD LOCATION (For VM-EX220P/280P) .. 4-1
4-2. BOARD LOCATION (For VM-EX370P) ...........4-2
4-3. BLOCK DIAGRAM
...................................... 4-3
5.
ELECTRICAL ADJUSTMENT
........................
5-1
l. CAMERA BLOCK ADJUSTMENT ....................... 5-1
1-1.
1-2.
1-3.
1-4.
1-5.
1-6.
1-7.
‘L
1-8.
TABLE FOR SERVICING TOOLS ..................5-1
EQUIPMENTS ............................................ 5-1
ADJUSTMENT ITEM AND ORDER ...............5-1
SETUP AND CONNECTION ......................... 5-2
NOTES ....o................................................. 5-3
STANDARD SETTING ................................. 5-3
ADJUSTMENT CONTROLLER ..................... 5-3
ADJUSTING SPECIFICATION ...................... 5-4
2. VTR BLOCK ADJUSTMENT ..........................”.. 5-11
2-1.
2-2.
2-3.
2-4.
2-5.
2-6.
2-7.
2-8.
2-9.
EQUIPMENTS ...................................... 5-11
ALIGNMENT TAPE ..................o.o.... 5-11
SETUP AND CONNECTION ...............5-12
SETUP FOR ADJUSTMENT .................... 5-13
ADJUSTMENT ITEM AND ORDER ...............5-13
SERVO/SYSTEM CONTROL CIRCUIT ““”””””””” 5-14
VIDEO CIRCUIT ......................................... 5-14
AUDIO CIRCUIT (For VM-EX220P) ...............5-21
AUDIO CIRCUIT (For VM-EX280P/370P) .......5-23
6.wAvEFORM ................................"..CO"""..""•"""".6-1
6-1.
6-2.
6-3.
6-4.
6-5.
6-6.
6-7.
CAMERA CIRCUIT .................."."."..• O"""".".•O.C6-1
SERVO/SYSTEM CONTROL CIRCUIT ..........6-8
VIDEO CIRCUIT ......................................... 6-10
AUDIO CIRCUIT (For VM-EX220P) ...............6-13
AUDIO CIRCUIT (For VM-EX280P/370P) .......6-13
VIEWFINDER CIRCUIT
(For VM-EX220P/280P) ........................... 6-14
VIEWFINDER CIRCUIT (For VM-EX370P) .....6-15
7.
VOLTAGE CHART
.........................................
7-1
7-1.
7-2.
7-3.
7-4.
7-5,
7-6.
7-7.
CAMERA CIRCUIT .......................... BOO..""."..7-1
SERVO/SYSTEM CONTROL CIRCUIT ..........7-2
VIDEO CIRCUIT ......................................... 7-4
POWER CIRCUIT ...................................... 7-7
AUDIO CIRCUIT (For VM-EX220P) ................7-8
AUDIO CIRCUIT (For VM-EX280P/370P) .......7-9
VIEWFINDER CIRCUIT
7-8.
(For VM-EX220P/280P)
................................7-10
VIEWFINDER CIRCUIT (For VM-EX370P) .....7-11
8. Troubleshooting GuiDE ..................... 8-1
8-1.
8-2.
8-3.
8-4.
8-5.
8-6.
8-7.
CAMERA CIRCUIT ..............................00 8-1
SERVO/SYSTEM CONTROL CIRCUIT ..........8-3
VIDEO CIRCUIT ........................................ 8-5
AUDIO CIRCUIT (For VM-EX220P) ...............8-7
AUDIO CIRCUIT (For VM-EX280P/370P) .......8-7
VIEWFINDER CIRCUIT
(For VM-EX220P/280P)
............................... 8-8
VIEWFINDER CIRCUIT (For VM-EX370P) .....8-8
2-1o. VIEWFINDER CIRCUIT
(For VM-EX220P/280P) ............................. 5-26
2-11. VIEWFINDER CIRCUIT (For VM-EX370P) ....5-30
2-12. POWER CIRCUIT ..................................... 5-33