Pioneer XR-P460 Service Manual page 60

m@ Playback Adjustment
1. Head Azimuth Adjustment
Tape
Selector
(AUTO)
2. Playback Level Adjustment
Input Signal/
Test Tape
STD-331E
test tape
(Playback: 10kHz,
= 206B)
©@ This unit is equipped with auto tape selector.
@ Do not switch between forward and reverse operation with
the screwdriver inserted.
Points Value
——$—$$___———
Input Signal/
Test Tape
Adjusting Points
Measurement | Adjustment
Points Value
STD-331E
test tape Peck
VR4201 (Lch) TAPE TEST
VR4202 (Reh) © POINT
(Playback: 315Hz,
0dB)
m@ Recording Adjustment
1. Bias Oscillation Frequency Adjustment
Input Signal/ Bice Measurement
Test Tape Adioating Folate Points
Load the STD-631
(L, Reh)
'VR4203 (Lch) of
vR4204 (Reh) | AF Assy)
or STD-632 test
tapes and set the
recording mode,
2-4 and GND.
2. Recording Bias Adjustment
Tape
Selector
(AUTO)
Input Signal/Test Tape
Input a 315Hz signal to the AUX/
CDII terminal and set the input
selector to AUX/CDII.
© Since this adjustment affects recording bias, prevent
distortion from increasing due to underbias,
Adjusting Points Measurement | Adjustment Remarks
Input signal level
Load the STD-631 or STD-632
test tapes and record/playback
the 315Hz and 10kHz signals.
(see the Note below)
Repeat adjustment until
that of the 315Hz signal.
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