Panasonic SA-AK44 - Tape Speed Adjustment (Deck 1;2); Bias and Erase Voltage Check

12.1.2. Tape Speed Adjustment (Deck 1/2)
1. Set the tape edit button to “NORMAL” position.
2. Insert the test tape (QZZCWAT) to DECK 2 and playback (FWD
side) the middle portion of it.
3. Adjust Motor VR (DECK 2) for the output value shown below.
Adjustment target: 2940 ~ 3060 Hz
(NORMAL speed)
4. After alignment, assure that the output frequency of the DECK 2
REV and DECK 1 FWD are within ±45Hz and ±60 Hz respectively of
the value of the output frequency of DECK 2 FWD.
12.1.3. Bias and Erase Voltage Check
1. Set the unit “AUX” position.
2. Insert the Normal blank tape (QZZCRA) into DECK 2 and the unit to
“REC” mode (use “ REC/STOP” key).
3. Measure and make sure that the output is within the standard
value.