User manual FOSTEX MN-04 SERVICE MANUAL

[. . . ] Grounding or Polarization - The precautions that should be taken so that the grounding or polarization means of an appliance is not defeated. Power Cord Protection - Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the appliance. Cleaning - The appliance should be cleaned only as recommended by the manufacturer. [. . . ] 15 NOTES * Parts List and circuit diagrams are given in this manual to assist the service technician in maintaining the Model MN-12/04. * The following accessories are supplied with MN-12/04 as the standard accessories. MN-12 Owner's manual : 8288399000 (for export model) : 8288400000 (for JPN) AC adaptor AD-12A : 8270727003 (for USA/CND) : 8270727006 (for EUR) : 8270727007 (for UK) : 8270727010 (for JPN) MN-04 Owner's manual : 8288397000 (for export model) : 8288398000 (for JPN) AC adaptor AD-9A : 8270728003 (for USA/CND) : 8270728006 (for EUR) : 8270728007 (for UK) : 8270728010 (for JPN) * Following is the packing material for the Model MN-12/04. MN-12 PACKING, TOP, MN12 : 8228402000 PACKING, BOTTOM, MN12 : 8228403000 INNER, CARTON, MN12 : 8228725000 MN-04 PACKING, TOP, MN-04 : 8288724000 PACKING, BOTTOM, MN-04 : 8228404000 CARTON, BOX, MN-04 : 8288724000 CAUTION Parts marked with this sign are safety critical components. They must always be replaced with identical components. Refer to the Fostex Parts List and ensure exact replacement. 3 MN-12/04 1. SPECIFICATIONS MN-12 DEFINITION ( Specification Unit : 0 dBV = 1 Vrms) Normal Fader Position Master fader Condition Input fader Condition At 7~8 position AUX RTN : -20 dBV / 1 kHz, AUX RTN VR : Max Adjust Master fader for -10 dBV at STEREO OUT. At 7~8 position INPUT: -10 dBV / 1 kHz, PAN : L(R), TRIM : LINE, EQ GAIN : 0 Adjust Input fader for -10 dBV at STEREO OUT. INPUT SECTION INPUT 1~4 Input level Impedance EQ HI EQ LOW INPUT 5-6, 7-8, 9-10, 11-12 Input level Impedance AUX RTN Input level Impedance -60dBV (MIC) ~ -10dBV (LINE) 20 k or more ± 13dB ± 3dB ( -10dBV / 10 kHz ) ± 13dB ± 3dB ( -10dBV / 100 Hz ) -10dBV 8 k or more -10dBV 8 k or more OUTPUT SECTION STEREO OUT Level Load Impedance Frequency Response -10dBV 1k 20 ~ 20kHz ± 1. 5dB ( INPUT 1~4 : -60dBV) 20 ~ 20kHz ±1dB ( INPUT 1~8 : -10dBV) S/N 80 dB or more ( DIN AUDIO, INPUT 1~4 : -10dBV) 81 dB or more ( IHF-A, INPUT 1~4 : -10dBV) 63 dB or more ( DIN AUDIO, INPUT 1~8 : -60dBV) 64 dB or more ( IHF-A, INPUT 1~8 : -60dBV) Distortion 0. 01 % or less ( INPUT 1~8 : 1kHz / 0dBV , OUTPUT : 0dBV ) 0. 05 % or less ( INPUT 1~4 : 1kHz/-50dBV , OUTPUT : 0dBV ) Crosstalk 60dB or more at 1kHz Click Noise (Power on / off) -20 dBVp-p or less (OUTPUT VR : MIN) Peak LED Indication 0 dBV ± 3dB AUX SEND Level -10dBV Load Impedance 1k Frequency Response 20 ~ 20kHz +1dB ( INPUT : -10dBV) S/N 86 dB or more ( DIN AUDIO, INPUT : -10dBV) 88 dB or more ( IHF-A, INPUT : -10dBV) Distortion 0. 01 % or less ( INPUT : 1kHz / 0dBV , OUTPUT : 0dBV ) Crosstalk 60dB or more at 1kHz Click Noise (Power on / off) -20 dBVp-p or less (OUTPUT VR : MIN) PHONES Connector Stereo phone Level 40mW or more (Normal fader position) Load Impedance 32 Frequency Response 20 ~ 20 kHz ± 1. 5dB ( 32 load, INPUT : -10dBV, OUTPUT : 40mW ) 20 ~ 20 kHz ± 3dB ( 32 load, INPUT : -10dBV, OUTPUT : 40mW ) Distortion 0. 2 % or less ( 32 load, 1kHz, OUTPUT : 40mW ) GENERAL Dimensions Weight Power supply USA/CND EUR/UK JPN 4 356 (W) × 198 (D) × 45 (H) mm 1. 3 kg 120VAC, 60Hz 230VAC, 50/60Hz 100VAC, 50/60Hz MN-12/04 MN-04 DEFINITION ( Specification Unit : 0 dBV = 1 Vrms ) Normal Fader Position Master fader Condition At 7~8 position INPUT 4 : -10 dBV / 1 kHz, PAN 4 : L(R) First, set MASTER fader at max. and adjust INPUT 4 fader for -4dBV at STEREO OUT L(R). Then, adjust MASTER fader for -10dBV at STEREO OUT L (R). At 7~8 position INPUT: -10 dBV / 1 kHz, PAN : L(R), TRIM : LINE Adjust Input fader for -10 dBV at STEREO OUT. Input fader Condition INPUT SECTION INPUT 1 Input level Impedance INPUT 2~4 Input level Impedance -60dBV(MIC) / -50~-20dBV(ALC ON) / -10dBV(LINE) 20 k or more -10dBV 8 k or more OUTPUT SECTION STEREO OUT Level Load Impedance Frequency Response -10dBV 1k 20 ~ 20kHz ± 1. 5dB (INPUT : -60dBV) 20 ~ 20kHz +1dB (INPUT : -10dBV) S/N 82 dB or more (DIN AUDIO, INPUT : -10dBV) 84 dB or more ( IHF-A, , INPUT : -10dBV) 56 dB or more (DIN AUDIO, INPUT : -60dBV) 58 dB or more ( IHF-A, , INPUT : -60dBV) Distortion 0. 25 % or less ( INPUT : 1kHz/-50dBV/MIC , OUTPUT : 0dBV ) 3. 0 % or less ( INPUT : 1kHz/-40dBV/ALC , OUTPUT : 0dBV ) 0. 05 % or less ( INPUT : 1kHz/-10dBV/LINE , OUTPUT : 0dBV ) Crosstalk 55dB or more at 1kHz Click Noise (Power on / off) -20 dBVp-p or less (OUTPUT VR : MIN) Peak LED Indication 0 dBV ± 3dB PHONES Level 1mW or more (Normal fader position) Load Impedance 32 Frequency Response 80 ~ 20 kHz +1-3dB ( 32 load, INPUT : -60dBV ) 80 ~ 20 kHz +1-3dB ( 32 load, INPUT : -10dBV ) Distortion 0. 2 % or less ( 32 load, 1kHz, 200 mW ) Dimensions Weight Power supply USA/CND EUR/UK JPN 193 (W) × 130 (D) × 45 (H) mm 0. 5 kg 120VAC, 60Hz 230VAC, 50/60Hz 100VAC, 50/60Hz GENERAL * Specifications and appearance are subject to change without notice for product improvement. CONTROLS, INDICATORS & CONNECTORS < MN-12 > 1 2 3 4 5 11 + POWER DC IN 12V STAND BY ON 12 L/MONO R AUX RTN AUX SEND L R STEREO OUT 13 6 7 8 9 10 EQ HI 0 EQ HI 0 EQ HI 0 EQ HI 0 + 6 EQ LO 0 + EQ LO 3 0 + EQ LO 0 + EQ LO 0 L + 0 5 10 R AUX 5 + AUX 5 + AUX 5 + AUX 5 + AUX 5 AUX 5 AUX 5 AUX 5 AUX RTN 5 14 15 0 PAN 10 PAN 0 10 PAN 0 10 PAN 0 10 PAN/ BAL 0 10 PAN/ BAL 0 10 PAN/ BAL 0 10 PAN/ BAL 0 10 PHONES 0 5 10 L TRIM R TRIM L R TRIM L R TRIM L R L R L R L R L R 0 10 LINE MIC LINE MIC LINE MIC LINE MIC MN12 PEAK 10 PEAK 10 PEAK 10 PEAK 10 10 10 10 10 10 10 10 10 10 5 5 5 5 5 5 5 5 5 5 5 5 5 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 4 5/MONO 6 7/MONO 8 9/MONO 10 11/MONO 12 MASTER 16 17 18 1. DC IN jack [DC IN] Power switch [STANDBY] Aux return jacks [AUX RTN] Aux send jack [AUX SEND] Stereo out jacks [STEREO OUT] High equalizer knobs 1~4 [EQ HI] Low equalizer knobs 1~4 [EQ LO] Aux level knob 1~8 [AUX] Panpot Knobs 1~4 [PAN] Input trim knobs 1~4 [TRIM] 11. 19. 19 Power LED [POWER] Panpot / Balance knobs 5~8 [PAN/BAL] LED level meter Aux return knob [AUX RTN] Phones knob [PHONES] Input fader 1~12 [1~12] Master fader [MASTER] Input jacks 1~12 Headphone jack 6 MN-12/04 < MN-04 > 1 2 3 4 5 + STANDBY ON DC IN 9V MIC LINE MIC ALC ON 6 L R STEREO OUT MN04 PAN PAN PAN PAN R L R L R L R L PEAK 7 10 10 10 10 10 8 5 5 5 5 5 0 0 0 0 0 1 2 3 4 MASTER 9 11 10 12 1. [. . . ] 8234500700 8234109200 8234500700 8234500700 8234104000 8234103900 8234500700 Ref. R101 R102 R103 R105 R107~407 R108~408 R109~409 R110~410 R111 R112 R113 R114 R115 R116 R117 R118 R119 R120 R121 R122 R123 R501, 601 R502, 602 R503, 603 R504, 604 R505, 605 Part No. 8230138222 8230138473 8230138102 8230138334 8230138103 8230138203 8230138103 8230138203 8230138222 8230138103 8230138102 8230138222 8230138103 8230138222 8230138473 8230138104 8230138222 8230138473 8230138153 8230138222 8230138104 8230138683 8230138273 8230138563 8230138203 8230138102 Ref. [. . . ]