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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.
TS4
6.1.2 Self-Diagnosis Mode
Procedure
1) Open the bonnet and short the Test Pin K6003 and GND. (The Test Pin terminal is located at the upper side of CN6002 as seen from the front.) 2) Turn ON the power. Push any key. The self-diagnosis mode is set. LED �0 to 33� on the IRD front panel light up one by one and then all lit. If a LED stops between �0 and 33�, the circuit block corresponding to that number should be checked. 3) When all the LEDs are lit, it indicates that the IRD is waiting for downloading of the Test software Main. The Test software Main will be downloaded from the PC connected to the IRD. 4) When the downloading completes normally, OK is displayed on the PC display. If OK, it indicates that the parallel port of the IRD is operating normally. 5) After completing the downloading, resetting the power supply, and this time all LEDs �0 to 33� will light up one by one, and finally all lit. If a LED stops, the circuit block corresponding to that number should be checked.
Example Downloading of Self-Diagnosis Program
1) Move the cursor to �Program Download� at MAKE CHECK_STEP, press the RETURN key and then press the F10 key to end the setting. When the IRD side sets into the downloading standby state, select IRD CHECK from the main menu, and press the RETURN key. Press the RETURN key once more to download the program.
2)
MAIN ASSY
Rear side
CN5005 CN5004 CN5003
IC2001 STi5510 Test Pin (K6003) [for Self-Diagnosis Mode]
Test Pin (K2002) [for Application Download Mode]
CN6002
Front side
Fig.1 Test Pin LOCATION
36
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