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Great product, helped me to restore vintage walkman cassette.
Just some pictures could be little bit more sharp and contrast
Thank you
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I love older radio's and the service manuals that are sometimes hard to find. Was able to find a manual quite easily on this site.
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Thank you for your shop manual! Your help was very useful - the device is repaired! Once again - Thank you! I wish you a successful business! Edward (Russia).
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It was a great experience,instead of purchasing a new Stereo Amplifier ,in just minutes i repaired my old one and that was thaks to the manual I have purchased from you.
Thanks again.
Samuel Alter
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Das ging ja sehr unkompliziert hat bestens geklappt und die Quallität ist auch noch gut.
Vielen Dank dafür.
SECTION 2 TEST MODE
1. Circuit Check Mode Set to the reception frequency that the circuit can STEREO RDS stations. (Set the input level to above 70 dB.) This enables circuit check to be performed in any of the reception modes-FM, AM (MW, LW). Set to a desired band before setting the test mode. 1. Turn OFF the power. 2. While pressing ENTER and BAND together, turn ON the power. � The items in the following table will be checked automatically in order every 2 seconds.
Display Tuned IF Frq Sig Level Stereo RDS Signal Items AST signal =LOW IF COUNT OK SI LEVELh70dB ST signal=LOW RDS DATA OK DISPLAY FM RDS OK or NG OK or NG OK or NG OK or NG OK or NG OK or NG OK or NG AM (MW, LW) NG IC251 NG, RV251 adjustments FE101, IC251 NG, or IF count buffer amp (Q251, Q401) NG IC221 NG, RV221 adjustments IC301 NG, RV301 adjustments IC801 NG
NOTE : The preset data will be erased when this test mode is used. Therefore, take down the data before setting this mode and preset the data again after completing operations in this mode. 2. FLUORESCENT INDICATOR TUBE Check and KEY Check mode 1. Turn OFF the power. 2. While pressing ENTER and RETURN together, turn ON the power. 3. While continuously pressing ENTER and RETURN together, check the following. Microcomputer version indication (1 sec) n All light up �7F� n Dot area only �60� n Dot area only �7E� Dot area only �5F� N Dot area only �3D� Indication test pattern 1 7F ppppp ppppp ppppp ppppp ppppp ppppp ppppp 2 60 �p�p� �p�p� �p�p� �p�p� �p�p� �p�p� �p�p� 3 7E ppppp ����� ����� ����� ����� ����� ����� 4 3D ����� ����� ppppp ����� ppppp ����� ����� 5 5F ����� ����� ����� ����� ����� ����� ppppp N * The indication test patterns from 2 to 5 are indicated on only even grids. The display changes every 1 sec.
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