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Excellent manual, complete, great resolution, easy to read especially the schematics. Thank you !
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everything i needed. it was easy to get. and this site is now my go to site for manuals.
MDX-66XLP SECTION 1 SERVICE NOTE
1-1. TO PLACE THE SET INTO PLAYBACK MODE
The this set has no key control function and cannot be placed into the Playback mode alone. For key control, the this set is controlled through serial communication with a master unit (car audio player, TV tuner or source selector compatible with the Sony BUS system.) To service the this set, the set should be connected as given below:
MDX-66XLP
Master unit
BUS CONTROL OUT
BUS CONTROL IN
1-2. HOW TO CHECK THE SERVO BOARD WAVEFORMS
1. Remove the panel (rear) assy, case (upper) and panel (front) assy. Then, remove the main board from the mechanism deck. (See page 8 of �SECTION 3. DISASSEMBLY�.) 2. Remove the chassis (OP) block from the mechanism deck. (See page 9 of �SECTION 3. DISASSEMBLY�.) 3. Short each bridge points BP1 and BP2 on the main board by solder bridge.
� main board (conductor side) �
BP1 BP2
4. Connect the power board with the main board by the main flexible board. Connect the main board with the servo board by the servo flexible board. 5. Connect to a master unit. With the master unit OFF, press the preset buttons 4 t 5 t 1 (2 seconds or more each) in this turn to enter the TEST mode. 6. Open the doors and insert a disc in the chassis (OP) assy. Use the SOURCE button on the master unit to select to MD to playback. 7. Check the waveforms at each point on the servo board. Note: After this check is completed, remove solder between shorted bridge points BP1 and BP2 and open these points.
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