Fostex VM88 Service Manual Download

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Service Manual

Model

8CH Digital Mixer with DSP Effects

FOSTEX CORPORATION 3-2-35 Musashino, Akishima, Tokyo, Japan 196-0021

FOSTEX CORPORATION OF AMERICA 15431 Blackburn Ave., Norwalk, CA 90650, U.S.A.

Summary of Contents for VM88

Page 1: ...Model 8CH Digital Mixer with DSP Effects FOSTEX CORPORATION 3 2 35 Musashino Akishima Tokyo Japan 196 0021 FOSTEX CORPORATION OF AMERICA 15431 Blackburn Ave Norwalk CA 90650 U S A PRINTED IN JAPAN MAR 2000 8288789000 ...

Page 2: ... personnel when A B C D E Servicing The user should not attempt to service the ap pliance beyond that described in the operating instruc tions All other servicing should be referred to qualified service personnel REFER SERVICING TO QUALIFIED SERVICE PERSONNEL CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PART...

Page 3: ... 74HC04 U927F 74HC04 FCONT2 PLL1_CONT PLL2_CONT PD1 PD2 FCONT1 FCONT2 PLL1_CONT PLL2_CONT PD1 PD2 FCONT1 REF PD VDDA AMPI AMPO VSSA XI XO VDD LOCK S2 S1 M2 M1 CKO VSS 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 22 5792MHz 74VHCU04 74VHCU04 EMI EXT INT EXT INT 1A 1B 2A 2B 3A 3B 4A 4B A B G 1Y 2Y 3Y 4Y 2 3 5 6 11 10 14 13 1 15 4 7 9 12 U926A 74VHC157 EMI U917E VCC GND 74VHC86 U919B VCC GND 74VHC161 U920E...

Page 4: ...C9 0 01 C10 0 01 C26 10 16 R964 100 R965 100 2 4 6 8 7 5 3 1 R967 DGND C11 0 01 C12 0 01 U918 GA_DIF R966 100 5 6 U903C 12 13 11 U913D 9 10 8 U914C R40 47 C44 100P DGND R41 100 TDO_FS0O TDO_EMPO PI PO TEST1 TEST2 VDD A4 A3 A2 A1 A0 WR RD VSS CS RESET D0 D1 D2 D3 D4 D5 D6 D7 CTL_PIN VDD VSS EN_IF SINA_MD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 PD2 MCK2 VSS P...

Page 5: ...4 TRS 10 dBu 1 kHz INPUT 5 8 TRS 4 dBu 1 kHz PAN L R MON OUT VR Adjust so that MON OUT level is at 10 dBV ST OUT SW ON MON SEL SW ST INPUT 1 4 TRS 10 dBu 1 kHz INPUT 5 8 TRS 4 dBu 1 kHz PAN L R MON IN VR Adjust so that MON OUT level is at 10 dBV ST OUT ON MON SEL ST INPUT 1 4 TRS 10 dBu 1 kHz INPUT 5 8 TRS 4 dBu 1 kHz PAN L R Output Level INPUT 1 8 STEREO OUT 10 dBV 2 dB INPUT 1 8 MONITOR OUT 10 d...

Page 6: ...I1 INIT_RESET CODEC_RESET DSP_RESET SMUTE DVB SDINA SDOUTA SDOUTD1 SDIND1 SDIND2 SDOUTD2 SDOUT1 SDOUT2 SDIN1 SDIN2 LRCK BITCLK CLKO CTRL DVDD DVSS OPCL XTI XTO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 AINL AINL AINR AINR VRADH AVDD AVSS VRADL VCOM ARDAH AVDD AVSS VRDAL NC AOUTL1 AOUTL1 NC AOUTR1 AOUTR1 NC AOUTL2 AOUTL2 NC AOUTR2 AOUTR2 100 99 98 97 96 95 94 93 92 91 90 89 ...

Page 7: ...DD DVSS IO7 IO6 IO5 IO4 IO3 IO2 IO1 IO0 OE A16 A15 A14 A13 A12 A11 A10 A9 A8 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 SMODE EESEL JX RQ SCLK SI SO RDY DRDY EEST DVSS DVDD CAS RAS WE A0 A1 A2 A3 A4 A5 A6 A7 DVSS DVDD 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 TESTI1 INIT_RESET CODEC_RESET DSP_RESET SMUTE DVB SDINA SDOUTA SDOUTD1 SDIN...

Page 8: ...END_AL AUXS END_AR AUXS END_AR AGND A 5 AGND AD 5 DGND R928 10K D 5 R929 10K R930 10K DGND DGND R990 330 R991 330 C60 1500p C61 1500P R992 330 R993 330 SI_DSP SO_DSP SCK_DSP SCK_DSP SI_DSP SO_DSP DRDY_DSP WRDY_DSP WRQ_DSP WRQ_DSP DRDY_DSP WRDY_DSP RST_DSP SEL 1 3 RST_DSP SEL 1 3 AIN8 AIN8 AIN7 AIN7 1 2 3 4 5 6 7 8 9 10 11 12 VREFH AINR AINR AINL AINL VA AGND DIF0 DIF1 LRCK SCLK SDTI VCOM AOUTR AOU...

Page 9: ...F CS_DIF INIT_RST PHTM SEL 1 3 SEL 1 3 SW PUSH NON VREF AN0 AN1 AN2 AN3 AN4 AN5 AN6 AN7 VREF VDD OSC2 OSC1 VSS XI XO MMOD SI DSP CPUTX SO DSP CPURX CLK DSP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 VR0 VR1 VR2 VR3 VR4 VR5 VR6 VR0 VR1 VR2 VR3 VR4 VR5 VR6 C909 0 01 C910 0 01 C911 0 01 C912 0 01 C913 0 01 C914 0 01 C915 0 01 VR 0 6 R917 100 SCK_DSP SO_DSP SI_DSP SI 100 SCK R918 SCK_DSP SO_DS...

Page 10: ... 00 1 50 3 00 4 67 6 00 L10 L9 L8 L7 L6 L5 L4 L3 L2 L1 C R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 Left 0 00 0 10 0 25 0 40 0 70 1 00 1 40 1 80 2 20 2 60 3 00 4 20 5 50 7 10 9 00 11 30 14 10 17 60 23 50 32 00 Right 32 00 23 50 17 60 14 10 11 30 9 00 7 10 5 50 4 20 3 00 2 60 2 20 1 80 1 40 1 00 0 70 0 40 0 25 0 10 0 00 Value Gain dB L10 L9 L8 L7 L6 L5 L4 L3 L2 L1 C R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 Left 0 0 0 0 ...

Page 11: ...ND AGND 3 2 1 4 8 U702A NJM4565 A 15 A 15 C752 0 01 C753 0 01 AGND AGND 5 6 7 U702B NJM4565 3 2 1 4 8 U762A NJM4565 5 6 7 U762B NJM4565 C754 22P C755 22P C721 10 16 C720 10 16 MON_R MON_L MON _L MON_R SUBIN_L SUBIN_L 2 3 1 4 5 J731 NYS234 2 3 1 4 5 J701 NYS234 2 3 1 4 5 J702 NYS234 2 3 1 4 5 J732 NYS234 2 3 1 4 5 J771 NYS234 AGND Q701A HN1C03F Q701B HN1C03F Q703A HN1C03F Q703B HN1C03F 3 2 1 8 7 R7...

Page 12: ...893 R826 C811 C810 C721 C893 C833 C809 C808 C807 C806 R98 C614 C534 C503 C544 C567 C568 C569 C648 C926 C929 C930 C14 R972 R973 C15 L98 L77 L6 D77 R968 R971 R984 R985 C16 R975 R969 R970 R930 U928 U929 R934 C927 C35 L3 C25 C53 C52 R5 D2 C25 C13 R976 R974 L7 C923 C925 C928 C924 C649 C668 C667 R644 R664 C669 C647 R564 R565 C543 C501 C601 R505 R516 R506 R406 R1 C415 2 R636 C654 3 R637 C635 C623 R625 C6...

Page 13: ...2 R641 R561 R666 R665 R646 R645 R667 C672 R671 C60 R990 R991 C61 R993 R992 R652 R647 R651 R567 C572 C571 R566 R959 R953 C982 R954 C993 C975 C983 C552 R547 R955 R956 C994 R546 C978 C641 C561 R662 C765 J702 Q815 Q810 Q800 Q813 J701 J811 J810 Q701 Q703 J762 5 5 5 5 5 5 4 4 4 4 4 4 1 1 1 1 1 1 2 2 2 2 2 3 3 3 3 J803 5 4 1 2 2 3 3 J802 J602 5 5 4 4 1 2 3 1 2 2 2 3 3 J601 J502 J501 1 1 1 4 4 4 5 5 5 2 3...

Page 14: ...R517 10K R507 10K C505 100P C515 100P AGND R543 100K AGND C512 NON AGND L511 BEAD L501 BEAD TRIM C541 220 10 C503 NON C513 NON C544 NON R546 10K R547 10K R545 10K R544 10K C548 NON C551 NON AGND A 5 ABIAS R504 100K R514 100K AGND AGND C549 NON C552 NON 3 2 1 4 8 U503A NJM2115 5 6 7 U503B NJM2115 C547 10 16 C501 10 16 C511 10 16 R501 10k R511 10k AGND R502 0 R512 0 R540 NON AGND C522 NON AGND 3 2 8...

Page 15: ...16 BP C471 10 16 C481 10 16 R471 10K R481 10K AGND R472 20K R482 20K P 48 3 2 1 D401 DAN202 K 3 2 1 D402 DAP202K 2 3 1 4 5 J402 NYS234 2 3 1 4 5 J403 NYS234 5 6 7 8 4 U402B NJM4565 3 2 1 U402A NJM4565 LEVEL 10 50dBu CANNON 4 LEVEL 10 30dBu LINE 4 INPUT IMP MIC 3 7K LINE 40K J401 CONN XLR 3 31 LEVEL 10dBV INSERT ANA4_H ANA4_C Foil Side of KEY DISPLAY PCB 8251995 201 D216 S206 D206 D204 D117 S107 D1...

Page 16: ... AN NJM2068MD TEI U102 402 8236 5412 00 ST AN op amp NJM4565M U103 403 8236 5050 11 ST AN op amp NJM2115M TEI ANALOG IN 3 ANALOG MAIN AGND C304 NON AGND AGND 3 2 8 4 1 U301A NJM2068 5 6 7 U301 B NJM2068 C341 0 01 C342 0 01 A 15 A 15 AGND AGND R306 10K C306 100 P R341 150 3 2 1 R391 50KRD R316 10K C316 100P A 15 A 15 R307 10K R317 10K R318 10K R308 10K C307 100 P C317 100P AGND C321 10 16 R322 100K...

Page 17: ... HNIC03F Q810 8234 5057 00 ST NPN HNIC03F Q813 8234 5057 00 ST NPN HNIC03F Q815 8234 5057 00 ST NPN HNIC03F RESISTORs Ref No Part No Description R001 8230 1111 01 H metal 1W 100Ω 5 F15 R002 8230 5101 03 ST carbon 1 15W 10kΩ 5 R003 8230 5105 63 ST carbon 1 15W 56kΩ 5 R004 005 8230 5101 02 ST carbon 1 15W 1kΩ 5 R010 013 8230 5101 02 ST carbon 1 15W 1kΩ 5 R020 029 8230 5104 73 ST carbon 1 15W 47kΩ 5 ...

Page 18: ...8230 5101 03 ST carbon 1 15W 10kΩ 5 R843 843 8230 5102 03 ST carbon 1 15W 20kΩ 5 R845 8230 5101 04 ST carbon 1 15W 100kΩ 5 R846 848 8230 5101 02 ST carbon 1 15W 1kΩ 5 R849 852 8230 5101 03 ST carbon 1 15W 10kΩ 5 R853 854 8230 5102 03 ST carbon 1 15W 20kΩ 5 R855 8230 5101 04 ST carbon 1 15W 100kΩ 5 R856 857 8230 5101 02 ST carbon 1 15W 1kΩ 5 R858 859 8230 5101 03 ST carbon 1 15W 10kΩ 5 R860 8230 51...

Page 19: ...122 20 ST CER 50V 22pF 5 CC11SL C030 33 8233 5131 01 ST CER 50V 100pF 15 CC11R C034 8233 5164 74 ST CER 16V 0 47µF 20 KC20E C035 8233 5121 50 ST CER 50V 15pF 5 CC11SL C036 8233 5151 04 ST CER 25V 0 1µF 80 CC11F C040 8233 0491 06 ST ALU 16V 10µF 20 MV C041 8232 1562 27 VT ALU 10V 220µF 20 SRA C042 8233 5151 04 ST CER 25V 0 1µF 80 CC11F C044 8233 5131 01 ST CER 50V 100pF 15 CC11R C052 053 8233 5131 ...

Page 20: ...763 8233 0491 06 ST ALU 16V 10µF 20 MV C764 8233 5121 00 ST CER 50V 10pF 5 CC11SL C765 8232 1434 77 VT ALU 16V 470µF 20 SME VB C773 8233 0491 06 ST ALU 16V 10µF 20 MV C774 8233 5121 00 ST CER 50V 10pF 5 CC11SL C775 8232 1434 77 VT ALU 16V 470µF 20 SME VB C782 N A C784 N A C786 N A C788 792 N A C799 8233 0491 06 ST ALU 16V 10µF 20 MV C800 815 8233 0491 06 ST ALU 16V 10µF 20 MV C820 821 N A C822 823...

Page 21: ...Coil PVT 22µH 5 LF5 0S L101 801 8242 5041 21 Filter ST EMI EXC3BP 121 L105 405 8242 5041 21 Filter ST EMI EXC3BP 121 L106 406 8242 5041 21 Filter ST EMI EXC3BP 121 L111 611 8242 5041 21 Filter ST EMI EXC3BP 121 L121 621 8242 5041 21 Filter ST EMI EXC3BP 121 L131 631 8242 5041 21 Filter ST EMI EXC3BP 121 L702 802 8242 5041 21 Filter ST EMI EXC3BP 121 L731 732 8242 5041 21 Filter ST EMI EXC3BP 121 L...

Page 22: ...ef No Part No Description D001 8234 1079 00 HT 80V 0 2A MA171 D002 004 8234 1085 00 HT fast recovery D1NL40 D006 8234 5039 76 HT zener MTZ J 24 D008 8234 5052 00 V 600V 1 7A S2V60 4002 D009 8234 1077 00 STACK 600VAC 1 5A D2SBA60 D010 8234 5007 00 HT 1SS136 D020 8234 1085 00 HT fast recovery D1NL40 D100 8234 5007 00 HT 1SS136 RESISTORs Ref No Part No Description R001 8230 1386 29 HT carbon 1 4W 6 2...

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