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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
TX-SR800 IC BLOCK DIAGRAMS AND DESCRIPTIONS
M66005-0001AFP(FL tube drive IC)
Vcc1 19 DISPLAY CODE RAM (8 bits 16) Vcc2 60 23 SEG36
~ ~ ~ ~ ~ ~ ~
CGROM (35 bits 160) SELECT/OUTPUT
31 SEG28 33 SEG27
~
CS SCK SDATA
14 15 16 SERIAL RECEIVE CIRCUIT CGRAM (35 bits 16) RAM write
CODE/
59 SEG01
COMMAND CONTROL CIRCUIT
SEGMENT/DIGIT SEGMENT
61
DIG16/SEG40
CIRCUIT
64
DIG13/SEG37
DECODER
RESET 13 Xin 21 CLOCK GENERATOR CIRCUIT
INDICATOR CONTROL REGISTER
code selector
17 P1 18 P0 1 DIG12 DIGIT OUTPUT CIRCUIT 12 DIG01
DISPLAY CONTROLLER
Xout 20
22 Vss
32 Vp
OUTPUT CIRCUIT
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