Panasonic RS-DV290EG Service Manual page 22

Colour silver type
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13.4. Tape speed adjustment / (Deck 1/2)
Note:
When connecting the unit to other system components for test,
short the section between the test point TP604 and TP609 and turn
on the entire system. (The unit is set to the TEST mode, and either
Deck 1 or Deck 2 indicatorwill blink.)
Normal speed (Standard value: 3000 ±
1. Connect the measuring instrument as shown in
2. Playback the middle portion of test tape. (QZZCWAT)
3. Adjust VR801 (Deck 1) and VR803 (Deck 2) for output value shown
below. (For adjustment point, refer to
Adjustment target: 3000 ± 15 Hz (Normal speed)
Standard value: 3000 ± 45 Hz (Normal speed)
Note:
When the unit is finished for adjusting, disconnect the short section
between TP604 and TP609 .
13.5. Playback gain adjustment (Deck 1/2)
1. Connect the measuring instrument as shown in
2. Find the start of the 315 Hz, 0 dB section of test tape (QZZCFM),
insert the tape into Deck 1 and 2, and play it back (FWD).
3. Adjust Deck 2: VR102 (L ch) [VR103 (R ch)] and Deck 1: VR104 (L
ch) [VR101 (R ch)] so that the output is within the standard value
shown below. (For adjustment point, refer to
45 Hz)
Fig. 13-11.
Fig. 13-3.
22
Fig. 13-3.
)
Fig. 13-4.
Fig. 13-11.
)

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