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Absolutely top, I've got now all Service-Manuals I'll need to repair my Mackie-Mixer!
The service manuel is very helpful, we where able to restore the device to its working operation again.
Great quality complete service manual!!! complete parts list and drawings
Again a great job. I never been disilluted from them! Clear scheme, complete and very good for repairing!
Great manual just what I needed, great service as always, thanks.
Record/Playback Head Azimuth Adjustment Procedure: 1. Mode : REV playback
Test tape P-4-A100 (10 kHz, â10 dB)
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Tape Speed Adjustment Procedure: Mode: FWD playback
test tape WS-48B (3 kHz, 0 dB) 47 k â¦ frequency counter
level meter 47 k â¦ set
set LINE OUT
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2. Turn the adjustment screw for the maximum output levels. If these levels do not match, turn the adjustment screw until both of output levels match together within 1 dB.
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1. Set to FWD playback mode. 2. Adjust RV801 so that the frequency counter reading becomes 2,980 Â± 30 Hz. 3. Confirm that the deviation between tape top and tape end is within 3%. Playback Level Adjustment Procedure: Mode: FWD playback
test tape P-4-L300 (315 Hz, 0 dB) 47 k â¦ set
L-CH peak output level R-CH peak
within 1dB within 1dB
level meter + â LINE OUT
angle L-CH peak R-CH peak
3. Phase Check Mode : playback
test tape P-4-A100 (10 kHz, â10 dB) L-CH set 47 k â¦ 47 k â¦
V + â + â H
Adjust RV151 (L-CH) and RV251 (R-CH) so that the reading on level meter meets the adjustment limits below.
Adjustment Limits: LINE OUT level: â4.7Â±0.5 dB (0.43 to 0.48 V) Level difference between channels: within 2 dB Check that the LINE OUT level does not change even if Playback and Stop operation is repeated several times. Adjustment Location: DECK board
R-CH LINE OUT Screen pattern
Adjustment Location: [DECK BOARD] (Component side)
in phase 45Â° Good
135Â° 180Â° Wrong
RV152 Record BIAS(L-CH) RV252 Record BIAS(R-CH)
RV151 Playback Level(L-CH)
4. Set in the FWD mode and repeat the step 1 to 3. 5. After the adjustment, lock the screw with locking compound. Adjustment Location: Record/Playback head
RV251 Playback Level(R-CH)