Sony PLM-A55E, Руководство по обслуживанию

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TABLE OF CONTENTS
1. GENERAL
Glasstron is a brand-new concept in visual display ......... 3
About the Glasstron .......................................................... 3
Checking the supplied accessories ................................... 4
Locating the parts and controls ......................................... 4
Connecting the Glasstron .................................................. 5
Wearing the Glasstron ....................................................... 6
Turning on the Glasstron .................................................. 7
Setting the password ......................................................... 9
Using the Glasstron ........................................................... 10
Viewing the surrounding environment
(See-through) .................................................................... 12
Adjusting the sound and picture ....................................... 12
Using with power sources other than
the AC adapter ................................................................... 14
2. DISASSEMBLY
........................................................... 15
3. ELECTRICAL ADJUSTMENTS
........................... 17
Power Supply Block ......................................................... 18
Video Block ....................................................................... 26
LCD Block ........................................................................ 27
4. DIAGRAMS
4-1. IC Pin Function Description ............................................. 34
4-2. Block Diagram – MAIN Section – .................................. 41
4-3. Block Diagram – AUDIO/KEY CONTROL Section – ... 43
4-4. Block Diagram – DISPLAY Section – ............................ 45
4-5. Block Diagram – POWER SUPPLY Section – ............... 47
4-6. Notes For Printed Wiring Board and
Schematic Diagram ........................................................... 49
4-7. Printed Wiring Boards
– YM-11P Board/SW-312P Board – ................................. 50
4-8. Schematic Diagram – YM-11P Board (1/3) – .................. 53
4-9. Schematic Diagram
– YM-11P Board (2/3)/SW-312P Board – ........................ 57
4-10. Schematic Diagram – YM-11P Board (3/3) – .................. 61
4-11. Schematic Diagram – SA-52P Board – ............................ 64
4-12. Printed Wiring Board – SA-52P Board – ........................ 67
4-13. Printed Wiring Board – RG-46P Board – ........................ 69
4-14. Schematic Diagram – RG-46P Board – ........................... 71
5. EXPLODED VIEWS
.................................................. 83
6. ELECTRICAL PARTS LIST
................................. 86
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 ˚C during
repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering or
unsoldering.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK ! OR DOTTED
LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.