Sanyo MR-1020 - Recording Level Indicator Adjustment; Sanyo MR-1020 Head Adjustment; Head Azimuth Positioning Alignment

HI. Recording Level Indicator
This adjustment must be mode after Gain Balance adjustment.
1. Using an audio signal generator, feed 1k Hz 0.4 mV signal to the
MIC jack of channel 1.
replaced. Therefore, if the original head is replaced, use the follow-
ing procedure to align head azimuth (see Figure 13).
1. Load a special 12k Hz azimuth alignment tape on the Left reel
base.
2. Operate the unit in Record position. 2. Turn Tone controls to maximum position. Connect a VTVM
3. While observing the meter, adjust SVR-2 so that the needle of across either R43 or R93.
the left VU meter points to the border between the red and black 3. Shift the Speaker selector switch to its OFF position.
zones. 4. Turn the unit on. Depress Play button and turn up the Volume
4. Reconnect the audio generator to the MIC jack of channel 2 and control of the channel being measured until its pointer is at the
make the same adjustment for SVR-3. boundary of the black and red areas on the VU meter.
Very slowly turn the azimuth adjustment screw (ref. No. ¥ 76)
HEAD ADJUSTMENT until maximum reading is obtained; this will be indicated by the
Vertical positioning meter deflection reaching a maximum, after which it will decrease
The height of the Record/Play head has been carefully adjusted at as the screw is continuously turned in the same direction. If the
the factory. Therefore, no further adjustment should be required. meter reading returns to mid-scale position. It is not neccessary
Azimuth positioning to repeat the adjustment procedure for the other channe! since
Record/Play head azimuth has been correctly adjusted at the factory azimuth agreement between left and right channels is held to
and should not require further attention unless the head has been close tolerances.
TOP VIEW OF HEADS
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REVERSE HEADS
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