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There are currently no product reviews.
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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.
MZ-N420D
Configuration of Test Mode
[Test Mode $Display Check Mode%]
Press the > key
[VOLUME +] key: 100th place of item [Major item switching] number increase. [VOLUME --] key: 100th place of item
> key x/CANCEL
number decrease.
[Manual Mode]
Press the
x/CANCEL key
key
[VOLUME +] key: 10th place of item
[Servo Adjustment] [Audio Adjustment] [Power Supply Adjustment] [OP Alignment Adjustment]
[Medium item switching] number increase. [VOLUME --] key: 10th place of item
> key x/CANCEL
number decrease.
key
Press the . key
[Minor item switching] > key: Unit place of item number
increase.
. key: Unit place of item number
[Overall Adjustment Mode]
Press the
x/CANCEL key
[Electrical Offset Adjustment]
Power Supply Adjustment Auto Item Feed CD Overall Adjustment/ MO Overall Adjustment
decrease.
[Adjusted value variation] [VOLUME +] key: Increases the adjusted
value of the 1st digit [VOLUME --] key: Decreases the adjusted value of the 1st digit
Press the
[GROUP] key
[Self-Diagnosis Result Display Mode]
Press the x/CANCEL key Press the MENU or [VOLUME +] key
[Adjusted value write]
ENTER/NX key :When adjusted value is
[Sound Skip Check Result Display Mode]
Press the x/CANCEL key Press the [VOLUME --] key
[Key Check Mode]
The key check quits, or open the upper panel
changed: Adjusted value is written. When adjusted value is not changed: That item is adjusted automatically.
Manual Mode
Mode to adjust or check the operation of the set by function. Normally, the adjustment in this mode is not executed. However, the Manual mode is used to clear the memory, power supply adjustment, and laser power check before performing automatic adjustments in the Overall Adjustment mode. � Transition Method in Manual Mode 1. Set the test mode (see page 13). 2. Press the > to activate the manual mode where the LCD display as shown below.
Set LCD display
000 Manual
3. During each test, the optical pick-up moves outward or inward while the > or . key is pressed for several seconds respectively. 4. Each test item is assigned with a 3-digit item number; 100th place is a major item, 10th place is a medium item, and unit place is a minor item. The values adjusted in the test mode are written to the nonvolatile memory (for the items where adjustment was made).
14
 $4.99 MZN420D 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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