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this Manual very important when i buy this Manual i already fix the trouble of my Camera..... thanks keep up the good work.!
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This service manual helped me to repair my PIONEER. Iam very satisfied, that I found it here.
Even the price of manual was not so high that person would not be able to spend a few money.
But that is very worth spent money. Thanks
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Excellent quality service manual. Quick processing, fair prices. Love to do business again. Thank you!!!
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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/
SECTION 3 TEST MODE
TEST Mode (Operation Check)
Preform the following operation checks using the TEST Mode before starting the repair works.
LCD touch-key block COMMANDER OFF PROGRAM +
�+
1. All Keys Operation Check
Connection Method :
Regulated power supply (+6V constant voltage output)
+6V pin set
+ �
(See Fig. 3-1.) 1) While pressing the PROGRAM + key and the � + k e y , ture ON the main power of the regulated power supply (DC +6V). (Refer to Fig. 1-1.) 2) Remove all hands from pressing the all keys described in above step 1). The all indications of the LCD must be turned OFF. (Refer to Fig. 1-2.) 3) When any key of the Operation panel-key block (except the COMMANDER OFF key), or any key of the LCD touchkey block is pressed, the signal (carrier 40kHz) as shown in Fig. 1-3 must be transmitted in accordance the pressed key, when operation of the machine is normal. 4) Press all keys of the Operation panel-key block (except the COMMANDER OFF key, and of the LCD touch-key block sequentially. When all keys are pressed, confirm that the long buzzar sound and all LCD displays are turned off. NOTE : Be careful that all data in S-RAM is cleared when the above TEST mode is performed. � This TEST Mode can be terminated in its middle before testing all keys by pressing the COMMANDER OFF key. However the conduction check of the remairing keys cannot be checked. (S-RAM is not cleared.) P-ROM (IC8) is diagnosed to be free from defects when the steps from 1) to 4) are performed correctly.
Operation panel-key block
PROGRAM
�
+
+
While pressing both keys at the same time;
Turn ON the main power (DC 6V)
Fig. 1-1
�
Fig. 1-2
2.4mscc
2.4mscc
2.4mscc
600 µ sec
600 µ sec
Fig. 1-3
� 16 �
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