PRACTICAL SERVICE FIGURE
<TAPE PLAYER SECTION>
1. Tape Speed Adjustment Settings : � Test tape : TTA�100 (Tape center) � Test point : PHONES (J101) � DSL : OFF � Adjustment location : SFR301 � DOLBY SW : OFF<597 only> � TAPE SELECTOR : NORM(auto) � VOLUME : MAX Method : Play back (FWD) the test tape and adjust SFR301 so that the frequency becomes 3015Hz±10Hz. Then confirm WOW is less than 0.50%. 2. Dolby level check<597 only> � Test tape : TTA�200 Test tape : � Check point : TP1(RCH), TP2(LCH) � DOLBY SW : OFF � DSL : OFF � TAPE SELECTOR : NORM � VOLUME : MINI � Adjustment points : Soldering patterns 1 - 4 Precedure : Short the patterns via solder as showen in the table so ghe Dollby NR level is 32mV ± 1.0dB. Adjust so the specifications are satisfied in both theforward ans reverse directions. Connect 10uF/16V coupling capacetors between test points and test wquipment (connect the positive terminals to the test points). SODER POINT only 1 LCH only 2 1&2 only 3 only 4 3&4 INCRESE LEVEL 0.8 dB 1.5 dB 2.3 dB 0.8 dB 1.5 dB 2.3 dB Settings :