User manual FOSTEX MN-04 - SERVICE MANUAL

MN-12/04 Service Manual Model MN-12 MN-04 Mini Mixer 1 MN-12/04 CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT. CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. ATTENTION: POUR ÉVITER LES CHOCS ÉLECTRIQUES, INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE ET POUSSER JUSQU' AU FOND. The lightening flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. "WARNING" "TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE." SAFETY INSTRUCTIONS 1. 2. 3. 4. 5. Read instructions - All the safety and operating instructions should be read before the appliance is operated. Retain instructions - The safety and operating instructions should be retained for future reference. Heed warnings - All warnings on the appliance and in the operating instructions should be adhered to. Follow instructions - All operating and use instructions should be followed. Water and Moisture - The appliance should not be used near water - for example, near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pool, and the like. Carts and Stands - The appliance should be used only with a cart or stand that is recommended by the manufacturer. 9. Heat - The appliance should be situated away from heat sources such as radiators, heat registers, stoves, or other appliances (including amplifiers) that produce heat. Power Sources - The appliance should be connected to a power supply only of the type described in the operating instructions or as marked on the appliance. 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. Nonuse Periods - The power cord of the appliance should be unplugged from the outlet when left unused for a long period of time. Object and Liquid Entry - Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through openings. Damage requiring Service - The appliance should be serviced by qualified service personnel when: A. The power supply cord or the plug has been damaged; or B. Objects have fallen, or liquid has been spilled into the appliance; or C. The appliance has been exposed to rain; or D. The appliance does not appear to operate normally or exhibits a marked changed in performance; or E. The appliance has been dropped, or the enclosure damaged. Servicing - The user should not attempt to service the appliance beyond that described in the operating instructions. All other servicing should be referred to qualified service personnel. 10. 11. 12. 6. 13. 14. 15. 7. 8. An appliance and cart combination should be moved with care. Quick stops, excessive force, and uneven surfaces may cause the appliance and cart combination to overturn. Wall or Ceiling Mounting - The appliance should be mounted to a wall or ceiling only as recommended by the manufacturer. Ventilation - The appliance should be situated so that its location or position does not interfere with its proper ventilation. For example, the appliance should not be situated on a bed, sofa, rug, or similar surface that may block the ventilation openings; or, placed in a built-in installation, such as a bookcase or cabinet that may impede the flow of air through the ventilation openings. 16. 17. 2 MN-12/04 TABLE OF CONTENTS 1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2. CONTROLS, INDICATORS AND CONNECTORS . . . . . . . . . . . . 6 3. EXPLODED VIEW, PCB ASSEMBLY AND PARTS LIST . . . . . . 8 4. CIRCUIT & BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . 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. 5 MN-12/04 2. 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. 2. 3. 4. 5. 6. 7. 8. 9. 10. 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. 12. 13. 14. 15. 16. 17. 18. 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. 2. 3. 4. 5. 6. Battery compartment DC IN jack [DC IN] Power switch [STANDBY] Stereo out jacks [STEREO OUT] Level selector switch Power LED 7. 8. 9. 10. 11. 12. Panpot knob 1~4 [PAN] Peak LED [PEAK] Input fader 1~4 [1~4] Master fader [MASTER] Input jacks 1~4 Headphone jack 7 MN-12/04 3. EXPLODED VIEW, PCB ASSEMBLY AND PARTS LIST MN-12 OVERALL EXPLODED VIEW & PARTS LIST No. PartsNo. Description 1 2 3 4 8212600000 PANEL, FRONT, MN-12 8216598000 SHIELD, PLATE, MN12 8274180000 PCB Assy, METER, MN-12 8270727003 ADAPTOR, AD-12A, USA/CND 8270727006 ADAPTOR, AD-12A, EUR 8270727007 ADAPTOR, AD-12A, UK 8270727010 ADAPTOR, AD-12A, JPN 5 6 7 8 9 8274179000 PCB Assy, MAIN, MN-12 8226198004 ROTARY, KNOB, (D), GRY 8226198003 ROTARY, KNOB(C), GRN 8226198002 ROTARY, KNOB(B), YEL 8226198001 ROTARY, KNOB(A), RED 10 8226159001 KNOB, FADER, WHT 11 8226159002 KNOB, FADER, RED 12 8221269000 PLATE, BOTTOM, MN12 13 8207010700 RUBBER, FOOT 8 MN-12/04 MN-04 OVERALL EXPLODED VIEW & PARTS LIST No. PartsNo. Description 1 2 3 4 5 8221262000 KNOB, SW, WHT 8212599000 PANEL, FRONT, MN-04 8274182000 PCB Assy, SELECTOR, MN-04 8216599000 SHIELD, PLATE, MN-04 8270728003 ADAPTOR, AD-9A, USA/CND 8270728006 ADAPTOR, AD-9A, EUR 8270728007 ADAPTOR, AD-9A, UK 8270728010 ADAPTOR, AD-9A, JPN 6 7 8 9 8226198002 ROTARY, KNOB(B), Y 8226159001 KNOB, FADER, WHT 8274181000 PCB Assy, MAIN, MN-04 8226159002 KNOB, FADER, RED 10 8216513000 SPONG, MN06 11 8212115001 BATTERY, COVER, MN06 12 8221268000 PLATE, BOTTOM, MN-04 13 8207010700 RUBBER, FOOT 9 MN-12/04 MN-12 PartsList · MAIN / SELECTOR PCBs ICs Ref.No. PartNo. Description U101~701 8236037200 IC, ANALOG, µPC4570H U102, 302 8236037200 IC, ANALOG, µPC4570H U151~351 8236037200 IC, ANALOG, µPC4570H U451 U551 U602 8236041300 IC, ANALOG, NJM4556L 8236038900 IC, DIP, LEDDRIVER, IR2E27A 8236032005 IC, REGULATOR, NJM78M12FA Ref. No. Part No. Description R114~414 8230138203 HT, CARBON, 1/4W, 20K, 5% R115~415 8230138103 HT, CARBON, 1/4W, 10K, 5% R116~416 8230138242 HT, CARBON, 1/4W, 2.4K, 5% R117~417 8230138223 HT, CARBON, 1/4W, 22K, 5% R118~418 8230138223 HT, CARBON, 1/4W, 22K, 5% R119~419 8230138474 HT, CARBON, 1/4W, 470K, 5% R120~420 8230138102 HT, CARBON, 1/4W, 1K, 5% R121~421 8230138101 HT, CARBON, 1/4W, 100, 5% R122~422 8230138104 HT, CARBON, 1/4W, 100K, 5% R123~423 8230138273 HT, CARBON, 1/4W, 27K, 5% R124~424 8230138563 HT, CARBON, 1/4W, 56K, 5% R151, 251 8230138683 HT, CARBON, 1/4W, 68K, 5% R152, 252 8230138273 HT, CARBON, 1/4W, 27K, 5% R153, 253 8230138563 HT, CARBON, 1/4W, 56K, 5% R154, 254 8230138102 HT, CARBON, 1/4W, 1K, 5% R155, 255 8230138303 HT, CARBON, 1/4W, 30K, 5% R156, 256 8230138332 HT, CARBON, 1/4W, 3.3K, 5% Ref.No. PartNo. DIODEs Description R351 R352 R353 R354 R355 8230138203 HT, CARBON, 1/4W, 20K, 5% 8230138203 HT, CARBON, 1/4W, 20K, 5% 8230138203 HT, CARBON, 1/4W, 20K, 5% 8230138223 HT, CARBON, 1/4W, 22K, 5% 8230138102 HT, CARBON, 1/4W, 1K, 5% TRANSISTORs Ref.No. PartNo. Description Q101~401 8236408900 TR, 2SD1858, QR, T Q102~402 8234108800 TR, 2SB1237, PQR, T Q151, 251 8236408900 TR, 2SD1858, QR, T Q351 Q651 8236408900 TR, 2SD1858, QR, T 8234108800 TR, 2SB1237, PQR, T D101~401 8234104000 OPT, V, LED, RED, RJ3-2034ADS D551, 561 8234109301 OPT, LED, SEL1124R D552, 562 8234109301 OPT, LED, SEL1124R D553, 563 8234109302 OPT, LED, SEL1324G D554, 564 8234109302 OPT, LED, SEL1324G D555, 565 8234109302 OPT, LED, SEL1324G D652 8234017601 DIODE, 1SS133 D653 D654 D655 8234103900 OPT, V, LED, GRN, RT3-5034YGS 8234017601 DIODE, 1SS133 8234000700 DIODE, 1N4002 R356 8230138332 HT, CARBON, 1/4W, 3.3K, 5% R451, 452 8230138332 HT, CARBON, 1/4W, 3.3K, 5% R453, 454 8230138273 HT, CARBON, 1/4W, 27K, 5% R455, 456 8230138332 HT, CARBON, 1/4W, 3.3K, 5% R457, 458 8230138103 HT, CARBON, 1/4W, 10K, 5% R459, 460 8230138220 HT, CARBON, 1/4W, 22, 5% R501~801 8230138103 HT, CARBON, 1/4W, 10K, 5% R502~802 8230138203 HT, CARBON, 1/4W, 20K, 5% R503~803 8230138103 HT, CARBON, 1/4W, 10K, 5% R504~804 8230138203 HT, CARBON, 1/4W, 20K, 5% R505~805 8230138473 HT, CARBON, 1/4W, 47K, 5% R506~806 8230138473 HT, CARBON, 1/4W, 47K, 5% R507~807 8230138473 HT, CARBON, 1/4W, 47K, 5% R508~808 8230138473 HT, CARBON, 1/4W, 47K, 5% R509~809 8230138203 HT, CARBON, 1/4W, 20K, 5% R551, 552 8230138153 HT, CARBON, 1/4W, 15K, 5% R553 R651 8230138470 HT, CARBON, 1/4W, 47, 5% 8230138332 HT, CARBON, 1/4W, 3.3K, 5% RESISTORs Ref. No. Part No. Description R101~401 8230138101 HT, CARBON, 1/4W, 100, 5% R102~402 8230138104 HT, CARBON, 1/4W, 100K, 5% R103~403 8230138224 HT, CARBON, 1/4W, 220K, 5% R104~404 8230138470 HT, CARBON, 1/4W, 47, 5% R105~405 8230138512 HT, CARBON, 1/4W, 5.1K, 5% R106~406 8230138512 HT, CARBON, 1/4W, 5.1K, 5% R107~407 8230138153 HT, CARBON, 1/4W, 15K, 5% R108~408 8230138153 HT, CARBON, 1/4W, 15K, 5% R109~409 8230138103 HT, CARBON, 1/4W, 10K, 5% R110~410 8230138243 HT, CARBON, 1/4W, 24K, 5% R111~411 8230138303 HT, CARBON, 1/4W, 30K, 5% R112~412 8230138243 HT, CARBON, 1/4W, 24K, 5% R113~413 8230138303 HT, CARBON, 1/4W, 30K, 5% R652, 653 8230138103 HT, CARBON, 1/4W, 10K, 5% R654, 655 8230138470 HT, CARBON, 1/4W, 47, 5% R656 R657 8230138474 HT, CARBON, 1/4W, 470K, 5% 8230138473 HT, CARBON, 1/4W, 47K, 5% R658 8230138473 HT, CARBON, 1/4W, 47K, 5% R901, 902 8230138203 HT, CARBON, 1/4W, 20K, 5% 10 MN-12/04 Ref. No. Part No. Description Ref. No. Part No. Description VR101~401 8240241000 POT, PI, RT09, 20KC, RK09K113 VR102~402 8240245000 POT, PI, SL030, 20KAA, RS30H11 VR103~403 8240243000 POT, PI, RT09, 50KB, RK09K113 VR104~404 8240243000 POT, PI, RT09, 50KB, RK09K113 VR105~405 8240243000 POT, PI, RT09, 50KB, RK09K113 VR106~406 8240244000 POT, PI, RT09, 50KA, RK09K113 VR151 VR451 8240274004 POT, PI, SL30, 20KAA, RS30H121 8240286010 VR, RK09K12C-L25, 20KAA C501~801 8232144226 ALU, 25V, 22µF, 20%, SME-VB C502~802 8232144226 ALU, 25V, 22µF, 20%, SME-VB C503~803 8232050101 CER, 50V, 100PF, 5%, SL C551 8232143107 ALU, 16V, 100µF, 20%, SME-VB C552, 553 8232144475 ALU, 25V, 4.7µF, 20%, SME-VB C554, 555 8232144475 ALU, 25V, 4.7µF, 20%, SME-VB C651 8232143477 ALU, 16V, 470µF, 20%, SME-VB C652, 657 8232143477 ALU, 16V, 470µF, 20%, SME-VB C653, 658 8232144226 ALU, 25V, 22µF, 20%, SME-VB C654, 659 8232144226 ALU, 25V, 22µF, 20%, SME-VB C655, 660 8232144226 ALU, 25V, 22µF, 20%, SME-VB C662 8232144475 ALU, 25V, 4.7µF, 20%, SME-VB C663 8232143477 ALU, 16V, 470µF, 20%, SME-VB C901, 902 8232144226 ALU, 25V, 22µF, 20%, SME-VB VR501~801 8240274004 POT, PI, SL30, 20KAA, RS30H121 VR502~802 8240243000 POT, PI, RT09, 50KB, RK09K113 VR503~803 8240244000 POT, PI, RT09, 50KA, RK09K113 VR901 8240286010 VR, RK09K12C-L25, 20KAA CAPACITORs ALU = Electrolytic CER = Ceramic type PES = Mylar type Ref. No. Part No. Description C101~401 8232144226 ALU, 25V, 22µF, 20%, SME-VB C102~402 8232050100 CER, 50V, 10PF, +-.5PF, SL C104~403 8232144226 ALU, 25V, 22µF, 20%, SME-VB C105~405 8232050220 CER, 50V, 22PF, 5%, SL C106~406 8232901332 PES, 50V, .0033µF, 5%, AMZV C107~407 8232050100 CER, 50V, 10PF, +-.5PF, SL C108~408 8232901103 PES, 50V, 0.01µF, 5%, AMZV C109~409 8232901103 PES, 50V, 0.01µF, 5%, AMZV C110~410 8232146105 ALU, 50V, 1µF, 20%, SME-VB C111~411 8232144226 ALU, 25V, 22µF, 20%, SME-VB C112~412 8232050101 CER, 50V, 100PF, 5%, SL C113~413 8232050101 CER, 50V, 100PF, 5%, SL C114~414 8232143476 ALU, 16V, 47µF, 20%, SME-VB C115~415 8232050100 CER, 50V, 10PF, +-.5PF, SL C116~416 8232050101 CER, 50V, 100PF, 5%, SL C151, 251 8232050100 CER, 50V, 10PF, +-.5PF, SL C152, 252 8232144226 ALU, 25V, 22µF, 20%, SME-VB C153, 253 8232050101 CER, 50V, 100PF, 5%, SL C154, 254 8232050101 CER, 50V, 100PF, 5%, SL C351 C352 8232050100 CER, 50V, 10PF, +-.5PF, SL 8232144226 ALU, 25V, 22µF, 20%, SME-VB Ref.No. CN501 J101~401 J151~451 J501~801 J502~802 J603 J901, 902 S651 PartNo. MISCELLANEOUS Description 8745503006 CONN, XH, 6P 8245330003 CONN, PHONE, YKB21-5011 8245339013 CONN, PH0NES, YKB21-5009 8245330003 CONN, PHONE, YKB21-5011 8245330003 CONN, PHONE, YKB21-5011 8245258000 CONN, PLJACK, DC-INLET 8245330003 CONN, PHONE, YKB21-5011 8253467000 SW, SS010-P022MAM-PA9 C353, 354 8232050101 CER, 50V, 100PF, 5%, SL C451, 452 8232143477 ALU, 16V, 470µF, 20%, SME-VB C453, 454 8232050101 CER, 50V, 100PF, 5%, SL C455, 456 8232050220 CER, 50V, 22PF, 5%, SL 11 MN-12/04 MN-04 Parts List · MAIN / SELECTOR PCBs Ref.No. U101 U501 U502 U801 PartNo. 8236046100 8236046100 8236046200 8236046100 ICs Description IC, µPC4570C IC, µPC4570C IC, NJM4556AD IC, µPC4570C TRANSISTORs Description TR, 2SD1858, QR, T TR, 2SB1237, PQR, T TR, 2SD1858, QR, T TR, 2SD1858, QR, T TR, 2SB1237, PQR, T TR, 2SD1858, QR, T TR, 2SB1237, PQR, T TR, 2SD1858, QR, T DIODEs Description D, HT, 1SS136 LED, SML1216W D, HT, 1SS136 D, HT, 1SS136 OPT, V, LED, RED, RJ3-2034ADS OPT, V, LED, GRN, RT3-5034YGS D, HT, 1SS136 RESISTORs Description HT, CARBON, 1/4W, 2.2K, 5% HT, CARBON, 1/4W, 47K, 5% HT, CARBON, 1/4W, 1K, 5% HT, CARBON, 1/4W, 330K, 5% HT, CARBON, 1/4W, 10K, 5% HT, CARBON, 1/4W, 20K, 5% HT, CARBON, 1/4W, 10K, 5% HT, CARBON, 1/4W, 20K, 5% HT, CARBON, 1/4W, 2.2K, 5% HT, CARBON, 1/4W, 10K, 5% HT, CARBON, 1/4W, 1K, 5% HT, CARBON, 1/4W, 2.2K, 5% HT, CARBON, 1/4W, 10K, 5% HT, CARBON, 1/4W, 2.2K, 5% HT, CARBON, 1/4W, 47K, 5% HT, CARBON, 1/4W, 100K, 5% HT, CARBON, 1/4W, 2.2K, 5% HT, CARBON, 1/4W, 47K, 5% HT, CARBON, 1/4W, 15K, 5% HT, CARBON, 1/4W, 2.2K, 5% HT, CARBON, 1/4W, 100K, 5% HT, CARBON, 1/4W, 68K, 5% HT, CARBON, 1/4W, 27K, 5% HT, CARBON, 1/4W, 56K, 5% HT, CARBON, 1/4W, 20K, 5% HT, CARBON, 1/4W, 1K, 5% Ref.No. PartNo. R506, 606 8230138102 R507, 607 8230138220 R508, 608 8230138203 R701 8230138153 R702 8230138473 R703, 704 8230138473 R705 8230138105 R706 8230138222 R801 8230138222 R802 8230138203 R803, 804 8230138222 R805, 806 8230138203 R807, 808 8230138680 R809 8230138105 R810, 811 8230138473 R812 8230138271 VR101~501 8240274003 VR102~401 8240243000 Description HT, CARBON, 1/4W, 1K, 5% HT, CARBON, 1/4W, 22, 5% HT, CARBON, 1/4W, 20K, 5% HT, CARBON, 1/4W, 15K, 5% HT, CARBON, 1/4W, 47K, 5% HT, CARBON, 1/4W, 47K, 5% HT, CARBON, 1/4W, 1M, 5% HT, CARBON, 1/4W, 2.2K, 5% HT, CARBON, 1/4W, 2.2K, 5% HT, CARBON, 1/4W, 20K, 5% HT, CARBON, 1/4W, 2.2K, 5% HT, CARBON, 1/4W, 20K, 5% HT, CARBON, 1/4W, 68, 5% HT, CARBON, 1/4W, 1M, 5% HT, CARBON, 1/4W, 47K, 5% HT, CARBON, 1/4W, 270, 5% POT, PI, SL30, 20KA, RS30H111 POT, PI, RT09, 50KB, RK09K113 Ref.No. Q101, 102 Q103 Q501, 601 Q701 Q702 Q801 Q802 Q803 PartNo. 8236408900 8234108800 8236408900 8236408900 8234108800 8236408900 8234108800 8236408900 Ref.No. D101, 102 D103 D104 D701, 702 D703 D802 D803, 804 PartNo. 8234500700 8234109200 8234500700 8234500700 8234104000 8234103900 8234500700 Ref. No. 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. No. C101~401 C102 C104 C105 C106 C107 C501, 601 C502, 602 C503, 603 C504, 604 C505, 605 C506, 606 C507, 607 C701 C801 C802, 803 C804 C805 C806 CAPACITORs ALU = Electrolytic CER = Ceramic type Part No. Description 8232144226 ALU, 25V, 22µF, 20%, SME-VB 8232143107 ALU, 16V, 100µF, 20%, SME-VB 8232144226 ALU, 25V, 22µF, 20%, SME-VB 8232146474 ALU, 50V, 0.47µF, 20%, SME-VB 8232050101 CER, 50V, 100PF, 5%, SL 8232146474 ALU, 50V, 0.47µF, 20%, SME-VB 8232144226 ALU, 25V, 22µF, 20%, SME-VB 8232050100 CER, 50V, 10PF, ±.5PF, SL 8232050100 CER, 50V, 10PF, ±.5PF, SL 8232144226 ALU, 25V, 22µF, 20%, SME-VB 8232143107 ALU, 16V, 100µF, 20%, SME-VB 8232050101 CER, 50V, 100PF, 5%, SL 8232050101 CER, 50V, 100PF, 5%, SL 8232146474 ALU, 50V, 0.47µF, 20%, SME-VB 8232143477 ALU, 16V, 470µF, 20%, SME-VB 8232143477 ALU, 16V, 470µF, 20%, SME-VB 8232144226 ALU, 25V, 22µF, 20%, SME-VB 8232143477 ALU, 16V, 470µF, 20%, SME-VB 8232143477 ALU, 16V, 470µF, 20%, SME-VB MISCELLANEOUS PartNo. Description 8745503006 CONN, XH, 6P 8245258000 CONN, PLJACK, DC-INLET 8245339012 CONN, PHONE, YKB21-5011 8245339013 CONN, PH0NES, YKB21-5009 8245339013 CONN, PH0NES, YKB21-5009 8253464000 SW, SLIDE, SSSF3-2 8253467000 SW, SS010-P022MAM-PA9 8277475013 CORDASSY, SCN-XH, 6P, 130 8277476020 CORD, M3-SIN*200, BLK 8277476015 CORD, 1P*150, BLK Ref.No. CN101 CN801 J101~401 J501, 601 J602 S101 S801 W101 W801 W802 12 MN-12 MAIN/METER PCBs PATTERN DRAWING R651 R356 D652 PCB#5238-10A J603 VR203 C655 C660 C305 R305 VR303 C406 R406 R409 R408 C413 U401 C405 C407 R205 R405 VR403 C651 1 3 R655 R652 E U601 U602 R654 R653 R656 J901 C657 D655 D654 R156 D653 S651 C652 R256 E B C252 Q251 R254 B C553 PCB#5238-10B Q351 B U551 1 C552 CN501 R552 R553 R551 D551 D561 D552 D562 D563 D553 D564 D554 D565 D555 1 C555 C554 W501 J251 R255 Q151 E VR103 C206 R206 R209 R208 C213 U201 C207 C105 C205 VR204 VR104 C113 R107 C106 C107 R109 R108 R114 R106 C108 C109 R354 J351 J902 R355 C351 R657 C352 R353 E B R352 Q651 C354 R658 U351 R106 C152 R154 J151 R155 VR304 R207 C208 C209 R214 R307 R308 R314 R306 C306 C307 C308 C309 C313 R309 C662 VR494 C408 R407 W801 C663 R351 C902 C551 R709 R809 R902 VR901 C251 R253 VR603 R703 R704 R603 R604 R501 R502 R601 R602 VR703 R803 R804 R701 R702 VR803 R801 R802 VR451 VR151 R459 R457 R458 C901 R901 R252 C254 U251 C154 R152 R452 C453 R455 R451 J451 R460 C452 R456 R153 C151 R251 C253 U151 R705 R706 R707 R151 C153 C653 C456 R454 VR801 R453 C455 C451 U451 C454 C353 C409 R414 R509 VR106 R212 R112 R110 VR206 R312 R210 VR306 R412 R310 VR406 R503 R504 R410 VR503 R113 R313 R213 R211 R311 R111 R413 R411 R215 VR101 R104 C111 Q201 E B R315 R304 R322 Q401 E R415 B VR301 C411 D401 R420 R115 D101 R120 R117 R119 Q102 E C202 R203 B R118 R221 C212 Q301 E B VR201 VR301 R204 C211 C311 R316 D301 D201 R216 R320 R220 R122 R222 C214 C310 R319 C210 R219 R317 R217 C114 Q202 R202 Q302 B E E B R218 R121 R318 C102 R102 C201 R103 C101 U101 R201 U102 R301 C112 R608 C603 R808 R116 Q101 B E R605 R606 R805 R806 VR105 VR205 VR305 VR405 VR502 VR602 R609 VR702 VR802 R607 C803 R416 C410 R419 R417 C314 Q402 E R418 R321 C302 R302 R303 C301 C312 U301 C316 R323 C315 R404 R422 C659 C654 C414 VR501 U501 R508 C503 R507 U701 R708 C703 B R421 C402 R402 R403 R401 C412 U302 C416 R423 VR402 C415 J501 W802 C401 C501 R505 R506 VR601 VR701 C110 R101 C601 C502 J502 J601 C602 J602 C701 J701 C702 J702 C801 J801 R807 C802 C658 J101 R123 C116 C115 J201 R223 C216 C215 J301 J401 J802 VR102 VR202 VR302 R124 C104 C204 R224 C304 R324 C404 R424 MN-12/04 13 14 MN-12/04 MN-04 MAIN/SELECTOR PCBs PATTERN DRAWING 4. CIRCUIT & BLOCK DIAGRAMS MN-12 CIRCUIT DIAGRAM C105 22p C102 10p TRIM VR101 20kC C114 47uF 2 1 R124 VR102 20kA 3 2 345 1 C104 22uF R123 15k C116 100p 2 3 4570 4 U101A R122 R104 100k 47 INPUT LEVEL C108 .01uF R107 15k Q101 D1858 R115 10k -VCC C113 100p 56k +VCC 8 1 C115 10p R105 5.1k 3 2 VR103 50kB 5 4 1 R106 5.1k C107 10p +VCC R103 220k INPUT CH1 -60~-10dBV 2 3 1 J101 C101 R101 22uF 100 R121 100 R110 24k VR105 50kB R112 24k 3 2 541 AUX VR106 50kA PAN 3 2 541 R111 30k EQ.H C106 .0033uF 5 6 4570 7 2 3 8 4570 4 1 R113 30k R151 68k C151 10p R102 100k C112 100p +VCC U101B U201A R109 10k C109 .01uF 2 1 R114 20k 2 C153 100p 3 +VCC 8 4570 4 -VCC U151A 1