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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.
AV-27F703 AV-27F713 AV-27F803
SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLY PROCEDURE
REMOVING THE REAR COVER
1. Disc onnect the power plug from wall outlet. 2. As s hown in the Fig.1, remove the 12 screws marked !. 3. Withdraw the rear c over backward.
CHECKING THE CHASSIS
To check the PW Board from back side. 1. Pull out the chassis (refer to REMOVING THE CHASSIS). 2. Erect the chas sis vertically so that you c an easily check the back side of the PW Board.
REMOVING THE TERMINAL BOARD
" After removing the rear c over. 1. As s hown in Fig.1, remove the screws marked 2. Withdraw the terminal board toward you.
[CAUTION]
".
" When erecting the chassis, be careful so that there will be no contacting with other PW Board. " Before turning on power, make s ure that the wire connec tor is properly connec ted. " When conducting a check with power supplied, be sure to confirm that the CRT EARTH WIRE (BRAIDED ASS�Y) is connected to the CRT SOCKET PW boar d.
REMOVING THE CHASSIS
" After removing the rear c over / terminal board. 1. Slightly raise the both sides of chassis by hand and remove the
2 claws under the both side of the chassis from the front cabinet.
2. Withdraw the chass is backward. (If necess ary, remove the wire clamp, c onnectors etc.)
WIRE CLAMPING AND CABLE TYING
1. Be sure to clamp the wire. 2. Never remove the c able tie used for tying the wires together. Should it be inadvertently removed, be sure to tie the wires with a new cable tie.
REMOVING THE SPEAKER
" After removing the rear cover. 1. As shown in Fig. 1, removing the
4
screws marked
#,
then
remove the speaker. 2. Follow the s ame steps when removing the other hand speak er. NOTE : When removing the upper one.
4
screws mark ed
#
of the speaker,
remove the lower side screw first, and then remove the
REMOVING THE LED & POWER SW PWB
" After removing the rear c over & terminal board. 1. Remove the 2 screws marked $ as s hown in Fig.1. 2. Withdraw the LED & POWER SW PWB toward you. * If nec essary, remove the wire c lamp, connector etc.
REMOVING THE FRONT CONTROL PWB
" After removing the rear c over & terminal board. 1. Remove the 2 screws marked % as s hown in Fig.1. 2. Withdraw the FRONT CONTROL PWB toward you. * If nec essary, remove the wire c lamp, connector etc.
8
No.52005
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