Fostex G24S Service Manual page 25

4) Connect the level meter to OUTPUT jack 1 on the rear panel and check that the level
here is - lOdBV (0.3V) ± 0.5dB.
5) After checking the OUTPUT jack 1 level, depress the |RCL| (recall) and [ ETER] (meter)
key on the Controller. Then depress the | ■ | (period) key to select the " CAL " mode.
The emory Display changes the meter mode to
a rt !~l L < normal )
I j — j-j
(temporary peak hold)
j — f
- (permanent peak hold)
/ H I
(calibration)
by depressing the r * I (period) key every time. To memorize the " CAL " mode, depress
the |STO| (store) and then [ ETER| key. And adjust R201 ( ETER CAL) for a OdB
reading on the recorder LED bargraph meter.
6) Put the meter mode back to " NOR AL " mode:
7) Connect the level meter to test point TP-3 on the TRACK 1 of the R/P amplifier PCB
Assy, and put the machine in the REC mode by depressing both REC and PLAY button
simultaneously with turning the SAFE/READY SW to READY position.
Then, adjust R202 (REC CAL) so that the level at TP-3 is -8.2dBV.
8) Calibrate the rest of the tracks in the same way.
4.3.3 Reproduce Level Calibration
1) Put Dolby NR ON/OFF SW to OFF position.
2) Playback the Reference Level Section (IKHz, - lOdBV) of the Reproduce Alignment Tape,
such as RL 41 J326/Fostex 9200 test tape.
3) Connect a level meter to the recorder rear panel OUTPUT jack 1 and adjust R204 (REP
LVL, NR OFF) so that the level is - lOdBV (0.3V).
4) Put Dolby NR ON/OFF SW to ON position.
5) Connect the level meter to the test point TP-3 on the TRACK 1 of the R/P amplifier PCB
Assy, and adjust R203 (REP LVL, NR ON) so that the level is -8.2dBV.
6) Connect the level meter to the recorder rear panel OUTPUT jack 1 again and confirm that
the level is - lOdBV (±Q5dB).
7) After checking of the OUTPUT jack level, confirm that the meter reading is 0 ± 1 dB.
If the reading is not OdB ± 1 dB, repeat the adjustments in the previous section, Item