RXD-302/302E/352/352E/372S
ADJUSTMENT
CASSETTE DECK SECTION
NO. ITEM INPUT SETTINGS OUTPUT CASSETTE TAPE S E T T I N G S DECK SETTINGS ALIGNMENT POINT ALIGN FOR FIG.
Unless otherwise specified : each ; switch should be set as follows : BEAT SW : OFF I. Cassette mechanism section (REC/PB head adjustment)
0dBs = 0.775V
{
[1]
Demagnetization and cleaning
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Power OFF, demagnetization, cleaning play
REC/PB head, erase head. capstan, pinch roller
Demagnetize the REC/PB head by head eraser. Clean the REC/PB head, erase head capstan and pinch roller with a cotton swab immersed in alcohol. In a setting wher the output is maximized, adjust the azimuth adjustment screw so that the Lissajous figure appearing on the oscilloscope screen comes near to a line slanted45° Note : The head should be installed in such a manner that it approaches the tape face.
[2]
REC/PB head azimuth
MTT-114, TCC-153 SCC-1727 10 kHz, -10dB
(A)
PLAY
Azimuth adjustment screw
II. PC board adjustment MTT-111 TCC-100 SCC-1727 3 kHz, -4 dB TCC-120 315 Hz 0dB Put standard test tape (TCC-120) into B deck. (A) Put standard blank tape into A deck. Adjust so that Frequency is 3 kHz at the center of the tape. Approx. -5dBm reference level
< 1 > Tape speed
(A)
PLAY
SFR201
< 2 > Playback level
(A)
PLAY
Recording level <3>
Dubbing and playback.
Approx. -5dBm reference level
INSTRUMENTS CONNECTION Oscilloscope AC voltmeter
Frequency counter
