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- SERVICE NOTE
- GENERAL
- Location of Controls (MDX - C7900)
- Location of Controls (MDX - C7900R)
- Resetting the Unit
- Detaching the Front Panel
- Preparing the Rotary Commander
- Setting the Clock
- Installation (US, Canadian)
- Installation (AEP, UK, E)
- Connections
- DISASSEMBLY
- ELECTRICAL ADJUSTMENTS
- Test Mode
- MD Section
- Tuner Section
- DIAGRAMS
- Printed Wiring Boards - MECHANISM DECK Section
- Schematic Diagram - MECHANISM DECK Section
- Schematic Diagram - MAIN Section
- Printed Wiring Board - MAIN Section
- Printed Wiring Board - PANEL Section
- Schematic Diagram - PANEL Section
- IC Pin Function Description
- EXPLODED VIEWS
- ELECTRICAL PARTS LIST
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Excellent service manual, the only known point of note is the alignment of improvability scanned pages within the pdf page. The resolution is good.
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I was very glad recieving the service manal from You. Additionaly very fast. Extremaly nice servicing. Thanks very mach! Now my GX-220 working better, than it was made. Alexander from Moscow, Russia/
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Sweet! I won the item on eBay and couldn't adjust the geometry or even keep a steady picure. This guide has the full schematics (not available anywhere else as far as I could tell), and was a bargain for the wealth of knowledge it contains. I hooked it up to my testing equipment, tweaked a few potentiometers and got it playing videogames in no time. Thanks!
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It was just what I need to fix my old BMW's CD player. Very convenient also. Thank you.
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Great Manual! It contains all the wiring schematics and mechanical exploded views that are essential for service and repair. I was surprised I even found this for such an old machine. Only wish I knew of this site many years ago.
Pin No. 87 88 89 90 91 92 93 94 95 96 97 98 99 100
Pin Name DVDD FFDR FRDR FS4 SRDR SFDR SPRD SPFD FGIN TEST1 TEST2 TEST3 DVSS EFMO
I/O � O O O O O O O I I I I � O Ground terminal (digital system) Input terminal for the test (fixed at �L�)
Function Power supply terminal (+3.3V) (digital system) Focus servo drive PWM signal (+) output to the BH6511FS (IC303) Focus servo drive PWM signal (�) output to the BH6511FS (IC303) Clock signal (176.4 kHz) output terminal (X�tal system) Not used (open) Sled servo drive PWM signal (�) output to the BH6511FS (IC303) Sled servo drive PWM signal (+) output to the BH6511FS (IC303) Spindle servo drive PWM signal (�) output to the BH6511FS (IC303) Spindle servo drive PWM signal (+) output to the BH6511FS (IC303) Not used (fixed at �L�)
EFM signal output terminal when recording mode Not used (open)
* I (A) for analog input, O (3) for 3-state output, and O (A) for analog output in the column I/O.
� 57 �
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