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- SERVICING NOTES
- GENERAL
- DISASSEMBLY
- SERVICE MODE
- ELECTRICAL ADJUSTMENTS
- DIAGRAMS
- Block Diagram - MAIN Section
- Block Diagram - POWER SUPPLY Section
- IC Pin Function Description
- Printed Wiring Board
- Schematic Diagram
- EXPLODED VIEWS
- ELECTRICAL PARTS LIST
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very good and complete manual , it is in english and german is perfect for repair.
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This manual is complete and of high quality. I am very pleased with the purchase.
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Another excellent buy! A fully readable PDF archive. Good prints!!
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It is wonderful done!!! a great job in scanning the manual. Superior quality in all the electric scheme. Very understandable and net!!! Thank you!
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muy buen manual por lo completo de este algunos esquemas estan muy divididos lo que hace algo dificil el seguimiento.
SECTION 4 SERVICE MODE
Service Mode (Service program) The equipment is provided with a service program built in the microcomputer, like conventional models. Service program operation methods are described in the following.
PLAY MODE Tracking servo and sled servo are turned ON REPEAT/ENTER Tracking gain-up mode while pressing
4. By pressing the ^ key, focus is turned ON from focus searching while entering CLV-S. (draw-in mode) Without disc, focus searching is repeated continuously. 5. By pressing the PLAY MODE key, tracking servo, sled servo and CLV-A (servo in PLAY) are turned ON. 6. When step 4 and 5 are performed, playing begins. No muting is ON in the service mode. 7. By pressing the p key, all servos (focus, tracking and sled) are turned OFF. However, the disc motor revolves for a while by inertia. � Step 3 (Resetting of service mode) 1. Be sure to disconnect the external power supply and remove the solder bridge at the TEST terminals connected before in setting. 2. The set thus becomes available for normal operation.
HOLD c Be sure to turn OFF the HOLD switch (If ON, all the LCD indication and LED are light up)
� MAIN BOARD (Side A) � = (FR) The optical pick-up is moved inwardly + (FF) The optical pick-up is moved outwardly
^ (PLAY/PAUSE) Focus is tuned ON to effect draw-in mode p (STOP)
[All servos are turned OFF]
Descriptions in [ ] indicate major operations in the service mode. For more informatrion, see Step 2.
Fig. 1 Layout of each key
� Step 1 (Service mode setting methods) 1. Turn OFF the HOLD switch with external power supply disconnected. (power is not applied to the set) 2. Solder across the TEST terminals (TAP802). (pin %¢, IC801 (ESPSL/TEST) is grounded) 3. Connect an external power supply. Thus, the set is switched to the service mode. � Step 2 (Operation in the service mode) 1. Once the service mode is effected, the LCD displays 5 indications each of which is repeatedly displayed. However, the following operations can be activated even if LCD indication is effected. 2. By pressing the + or = key, the optical pick-up is movable inwardly or outwardly. However, if this is activated, tracking servo and sled servo are turned OFF, so it can be turned ON by pressing the PLAY MODE key if required. 3. By pressing the REPEAT/ENTER key, the tracking gain-up mode becomes active.
TAP802 (TEST)
Fig. 2 Location of Test terminal
�8�
 $4.99 D-E555 SONY
Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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