Pioneer RX-1180 Service Manual page 28

RX-1180, RX-1190
Adjustment of Deck !
j,Head azimuth adjustment
* This deck
is provided with an auto-tape-selector mechanism.
Tape
selector
(AUTO)
Procedure Input signal/test. tape
Adjusting point Measuring point Adjustment value
4
Remark
NORM
2.Playback level adjustment
Play back 10kHz/-20dB
on test tape STD-331B
Head azimuth
adjusting screw
(Fig. 9-3)
TP11 (L)
TP13 (R)
Maximum playback
signal level
After completion,
lock the screw
* Perform this adjustme nt precisely
since this adjustment
i s Dolby level settin g during playback.
selector | Mode
(AUTO)
Procedure
NORM PLAY
Tape
Input signal/test tape
Adjusting point Measuring point
Adjustment value
Remark
Play back 315Hz/0dB
on test tape STD-331B
VR503 (L)
VR504 (R)
TP1L (L)
TP13 (R)
—5. 2dBv + 20B
Adjustment of Deck ll
* This deck is provided with an auto-tape-selector mechanism.
1, Head azimuth adjustment
Tape
selector | Mode
(AUTO)
Procedure
2. Playback fevel adjustment
Tape
selector | Mode
(AUTO)
Procedure
Input signal/test tape
Play back 315Hz/0dB
on test tape STD-331B
* Perform this adjustment precisely since this adjustment i
Input signal/test tape
Adjusting point
Head azimuth
adjusting screw
(Pig. 9-3)
Adjusting point
Measuring point
TP11 (L)
TP13 (R)
Measuring point
Adjustment value
Maximum playback
signal level
s Dolby level settin
Adjustment value
Remark
After completion,
lock the screw,
g during playback.
NORM PLAY Play back 315Hz/0dB
on test tape STD-331B
VR505. (L)
VRSO6 (R)
TP11 (L)
TP13 ¢R)
—5, 2dBv + 2dB
3.Recording level adjustment Deck Ii
selector
(AUTO)
Procedure
* Set the graph ic equalizer and balance volume to the center and the mic mixing volume to
the source side.
Tape
Input signal/test tape hee point
Measuring point Adjustment value
NORM
Apply the signal of
S15Hz at 150mV to AUX
(L) terminal
VR501
(Lch Recording
lelvel)
TP11 (L)
1
—13.1dBv + 2dB
Apply the signal of
10kHz at 150mV to AU
(L) terminal
VR601
(Lch Recording
bias level)
TP11 (L) —13.1dBv +
Apply the signal of
315Hz at 150mV to AU
(R) terminal
VR502
(Rch Recording
TP13 (R)
—13.1dBv.
VR601 is on the
MAIN Assembly
5Q
Apply the signal of
10kHz at 150mV to AU
(R) terminal
level)
vR602
(Rch Recording
bias level)
TP13 (R)
—13.1dBv
VR602 is on the
MAIN Assembly