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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.
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Great manual very clear copied. You are making an incredible job. I appreciate a lot the rapidity and your efficiency. Thanks a lot
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A
Recovery flowchart (1-2)
[From the Recovery flowchart (1-1)]
Display RST MASK 09 (red 2). / [MKS S59] Note: Disregard the discharge that may appear during voltage-change setting.
Set VOL OFFSET to the setting value 240. / [VOF 240] Gradually decrease the VOL OFFSET value until disappear the discharge (dead cell).
B
� This setting becomes VOL OFFSET_max1.
VOL OFFSET_max1
Note: Make a note of this VOL OFFSET_max1 value.
VOL OFFSET_max1
107?
No
Replacement of abnormal circuits or re-replacement of the panel required
Yes Display RST MASK 10 (green 2). / [MKS S60]
Set VOL OFFSET to the setting value 240. / [VOF 240]
C
� This setting becomes Gradually decrease the VOL OFFSET value until disappear the discharge (dead cell). VOL OFFSET_max2.
VOL OFFSET_max2
Note: Make a note of this VOL OFFSET_max2 value.
VOL OFFSET_max2
107?
No
Replacement of abnormal circuits or re-replacement of the panel required VOL OFFSET_max
Yes Choose the lower value between VOL_OFFSET_max1 and VOL_OFFSET_max2, and set it as VOL_OFFSET_max.
D
[To the Recovery flowchart (1-3)]
Recovery flowchart (1-3)
[From the Recovery flowchart (1-2)]
Is the VOL OFFSET_max value minus the VOL OFFSET_min value greater than 96? Yes
E
No
Replacement of abnormal circuits or re-replacement of the panel required
Are the VOL OFFSET_max value 165 or greater and the VOL OFFSET_min value 069 or less? Yes Set VOL OFFSET to the setting value 117. / [VOF 117]
No
VOL OFFSET_max
165?
No
Yes Set VOL OFFSET to the setting value VOL OFFSET_max minus 48. Set VOL OFFSET to the setting value VOL OFFSET_min plus 48.
F
Determine the current VOL OFFSET setting value as the final value.
[To the main flowchart (1)]
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PDP-5080XA
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