3. Mode: Playback Tape Speed Adjustment (Deck A) test tape P-4-A100 (10kHz, –10dB) oscilloscope Note: Set the test mode using the following method and begin tape speed adjustment. In the test mode, the speed will switch to double speed or MD OUT set Waveform of oscilloscope 4. Adjust RV1001 of the LEAF SW board so that the reading of the frequency counter becomes 6000 ± 180 Hz. 5. Press the HI-SPEED DUB button and play the tape at normal speed. 6. Adjust RV1002 of the LEAF SW board so that the reading of the frequency counter becomes 3000 ± 90 Hz. in phase 45 ° 90 ° 135 ° 180 ° good wrong 4. After the adjustments, apply suitable locking compound to the parts adjusted. Adjustment Location:
LEAF SW board Adjustment Location: Playback Head (Deck A) Record/Playback/Erase Head (Deck B) Sample Value of Wow and flutter W.RMS (JIS) less than 0.3% (test tape: WS-48B) Remove the cassette lid. Playback Level Adjustment (Deck A, Deck B) Procedure: Mode: Playback test tape P-4-L300 (315Hz, 0dB) level meter set Reverse Foward MD OUT Deck A is RV311 (L-CH) and RV411 (R-CH), deck B is RV301 (L-CH) and RV401 (R-CH) so that adjustment within the following adjustment level. Adjustment level: CN301 playback level: 301.5 to 338.3 mV (–8.2 to –7.2 dB) level difference between the channels: within ± 0.5 dB Adjustment Location:
AUDIO board Adjustment Location [LEAF SW BOARD] RV1002(Normal Speed) RV1001(High Speed) RV1002 RV1001 al speed each time the HI-SPEED DUB HI-SPEED DUB With the po ENTER bu (The “VOL in the test m To exit the t 1. Insert the 2. Press the wer turned ON, press the t/CLOC tton, and DISC 3 button simultaneou UME” on the fluorescent display tube ode.) est mode, press the 1/u button. WS-48B into deck B. · button of deck B. t/CLOC K SET sly. will bli · HI-SPEED DUB