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There are currently no product reviews.
 ;
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.
5) Measure DC voltage at each test point with digital multi-meter, and adjust SFR. ADJ. ITEM G2 G0 BRT CONT COLOR(PAL) TINT ADJ. POINT SFR701 SFR702 SFR754 SFR751 SFR752 SFR731 TEST POINT G2 (TP1) G0 (TP2) BRT (TP3) CONT (TP4) ADJ. VALUE 1. 8 ± 0.05V 0.75 ± 0.05V 2.3 ± 0.05V 2.95 ± 0.05V
COLOR (TP5) 3.00 ± 0.05V TINT (TP6) 3.2 ± 0.05V
6) Observe the wave form at each test point with oscilloscope, and adjust SFR. ADJ. ITEM W-BAL (SBR) W-BAL (SBB) ADJ. POINT SFR705 SFR704 TEST POINT G (TP7)/ R (TP8) G (TP7)/ B (TP9) ADJ. VALUE ADJUST R (SFR705) AS SAME LEVEL TO G. (Fig.4) ADJUST B (SFR704) AS SAME LEVEL TO G (Fig.4)
0±0. 01V
G-LEVEL R-LEVEL & B-LEVEL
Fig. 4 W-BAL (SBR & SBB)
7) Push the PRGM key and select all RED picture signal on the LCD. Observe the wave form at the test point with osilloscope, and adjust LPF701 ADJ. ITEM PAL BURST ADJ. POINT LPF701 TEST POINT B (TP9) ADJ. VALUE ADJUST LPF701 AS SAME LEVEL. (Fig.5)
THIS WIDTH BECOMES NARROWEST
2.0 ± 0.1V GND Fig.5 PAL BURST
8) Turn the power off, and set SW102(NTSC/AUTO/PAL) to NTSC position. 9) Activate TEST MODE, and display the 11 STEP MONOTONE PICTURE. (Fig.2)
� 15 �
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