Adjustment method
Test Instruments reqired for adjustment
1.Digital osclloscope(100MHz) 2.Frequency Counter meter 3.Electric voltmeter
4.Wow & flutter meter 5.Test Tapes
VT724 | for DOLBY level measurement | |||
VT739 | For playback frequency measurement | |||
VT712 | For wow flutter & tape speed measurement | |||
VT703 | For head azimuth measurement | |||
6.Torque gauge | Cassette type for | |||
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Power supply voltage | DC14.4V(10.5~16V) | |||
Load impedance | 4 (2Speakers connection) | |||
Line out |
| 20k |
Standard volume position Balance and Bass,Treble volume .Fader :Center(Indication"0")
Loudness,Dolby NR,Sound,Cruise:Off
Volume position is about 2V at speaker output with following conditions.Playback the test tape VT721.
AM mode 999kHz/62dB,INT/400Hz,30% modulation signal on receiving.
FM mono mode 97.9MHz/66dB,INT/400Hz,22.5kHz deviation pilot off mono.
FM stereo mode 1kHz,67.5kHz dev. pilot7.5kHz dev.
Output level 0dB(1V,50 /open terminal).
KS-FX922R
Tuner section
BAND STEP
FM : 100kHz (Seek), 50kHz (Manual)
AM : 9kHz step
Preset Memory Initialization
Band |
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M1 | M2 | M3 | M4 | M5 | M6 | ||
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FM(MHz) | 87.5 | 89.9 | 97.9 | 105.9108.0 | 87.5 | ||
AM(kHz) | 153 | 216 | 603 | 999 | 1404 | 1620 |
DUMMY LOAD
Exclusive dummy load should be used for AM and FM dummy load,there is a loss of 6dB between SSG output and antenna input. The loss of 6dB need not be considered since direct reading of figures are applied in this working standard.
Arrangement of Adjusting
Cassette Mechanism Section
Capstan motor | Tape speed adjust |
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Cassette mechanism (Surface)
Azimuth screw Playback head (Forward side)
Azimuth screw (Reverse side)