ADJUSTMENT - 2 <DECK>
< DECK SECTION >
1. Tape Speed Adjustment (DECK 2)4. REC/PB Frequency Response Check (DECK 2)
Settings : Test tape :TTA-100Settings : Test tape :TTA-602
Test point :TP8 (Lch), TP9 (Rch) Test point :TP8 (Lch), TP9 (Rch)
Adjustment location : SFR1 Input signal :8 kHz/1 kHz (-20 VU / 0dB)
Method : Play back the test tape and adjust SFR1 so that theMethod : Apply a 1 kHz signal and REC mode. Then adjust
test point becomes 3000 Hz ? 5 Hz (FWD) and FWDOSC attenuator so that the output level at TP8, TP9
SPEED ? 45Hz (REV) with respect to forward speed.becomes 10 mV. Record and play back
the 1 kHz signals and check that the output is
2. Head Azimuth Adjustment (DECK 1, DECK 2)0 dB ? 5 dB.
Settings : Test tape :TTA-330
Test point :TP8 (Lch), TP9 (Rch)5. REC/PB Sensitivity Check (DECK 2)
Adjustment location : Head azimuthSettings : Test tape :TTA-602
adjustment screw Test point :TP8 (Lch), TP9 (Rch)
Method : Play back (FWD) the 8 kHz signal of the test tape and Input signal :8 kHz (0VU / 0 dB)
adjust screw so that the output becomes maximum.Method : Apply a 1 kHz signal and REC mode. Then adjust
Next, perform on REV PLAY mode.OSC attenuator so that the output level at TP8, TP9
becomes 100 mV. Record and play back
3. PB Frequency Response Check (DECK 1, DECK 2)the 1 kHz signals and check that the output is
Settings : Test tape :TTA-330-1 dB ? 3.5 dB.
Test point :TP8 (Lch), TP9 (Rch)
Method : Play back the 315 Hz and 10 kHzsignals of the test
tape and check that the output ratio of the 10 kHz
signal with respect to that of the 315 Hz signal is
0 dB ? 3 dB.
4. PB Sensitivity Check (DECK 1, DECK 2)
Settings : Test tape :TTA-200
Test point :TP8 (Lch), TP9 (Rch)
Method : Play back the test tape and check that the output level
of the test point is 110 mV ? 3 dB.
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