background image

VM04

Service Manual

Model

4ch 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 1999  8288778000

Summary of Contents for VM04

Page 1: ...nual Model 4chDigitalMixerwithDSPEffects 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 1999 8288778000 ...

Page 2: ...d not be situated on a bed sofa rug or similar surface that may block the ventila tion 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 9 Heat The appliance should be situated away from heat sources such as radiators heat registers stoves or other ap pliances including amplifiers that produce heat 10 Power ...

Page 3: ...4 8228901000 1 SPECIFICATIONS 4 2 CONTROLS INDICATORS AND CONNECTORS 5 3 SERVICE MODE 6 REPLACING THE BATTERY 7 4 EXPLODED VIEW 8 5 PARTS LIST 9 6 PCB PATTERN DRAWING 11 7 CIRCUIT DIAGRAMS 16 8 BLOCK DIAGRAMS 23 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 1 2 3 ...

Page 4: ...306 TACT S307 TACT S308 TACT S309 TACT S310 TACT S311 TACT S312 TACT D351 LED D352 LED D353 LED D354 LED D355 LED D356 NON D357 LED D358 LED KEY0 KEY1 KEY2 KEY3 KEY4 KEY5 DIG0 DIG1 LED_A0 LED_A1 LED_K0 LED_K1 LED_K2 LED_K3 LED_K4 LED_K5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 J302 FPC 17P D301A DIODE D301B DIODE D302A DIODE D302B DIODE D303A DIODE D303B DIODE D304A DIODE D305A DIODE D306A DIODE ...

Page 5: ...10 C215 100 10 C115 100 10 R227 1K R127 1K R216 1K R116 1K AGND 2 3 1 U12 DTA114EK R94 10K R95 100K DGND D 12 D 5 R6 10K C7 100 10 3 1 D11 DAN202K DGND 2 CONTROLS INDICATORS AND CONNECTORS INPUT 10 50 TRIM TRIM 10 50 3 2 1 4 OUTPUT L R MIN MAX PHONES FOOT SW OUT S P DIF 9V DC IN RESET 1 2 3 4 5 6 7 8 9 1 DC INLET connector the Center Positive 2 S P DIF optical output connector Optical 3 FOOT SW un...

Page 6: ...ey other than the ENTER key is pressed theVM04 returns to Normal Mix mode display 3 2 Battery Check While holding down the EXIT key and ENTER key together press the EFFECT PARAMETER key The LCD Display will show the voltage of the memory backup battery inside the VM04 for a second and then return to the Normal Mix mode If the voltage falls below 2 2V the message BattEmpty will appear when powering...

Page 7: ...2 330 R81 330 R80 330 R79 330 C69 1500P C70 1500P BLOCK 1 UBDA 2 LRS 3 LRCK 4 BCK 5 DATA 6 VLDY 7 EMPH 8 COPY 9 FS1 10 FS2 11 CKS 12 XI 13 VSS 14 DO1 15 DO2 16 M1 17 M2 18 IS1 19 IS2 20 CTG1 21 CTG2 22 CTG3 23 FR32 24 LBIT 25 CKA1 26 CKA2 27 VDD 28 U9 TC9271F DGND D 5 DGND C81 0 01 1 2 3 U10 GPIF32T C82 10 16 C83 0 01 DGND D 5 R91 100 11 10 U5E 74VHC14 13 12 U5F 74VHC14 R73 330 PD_ADDA AIN34_DATA ...

Page 8: ...3 64 IO4 65 IO5 66 IO6 67 IO7 68 DVSS 69 DVDD 70 DZFSET 71 DVSS 72 DVDD 73 DVB 74 DVB 75 DZF2 76 DZF1 77 NC 78 AVB 79 AOUTR2 80 AOUTL2 81 NC 82 AOUTR1 83 AOUTL1 84 VRDAL 85 AVSS 86 AVDD 87 VRDAH 88 NC 89 AINR 90 AINR 91 AINL 92 AINL 93 VCOM 94 VRADL 95 AVSS 96 AVDD 97 VRADH 98 AVB 99 NC 100 U6 AK7712A AIN1 AIN1 AIN2 AIN2 C46 0 01 C45 0 01 C44 0 01 C43 0 01 C42 10 16 D 5 DGND C37 0 01 C36 0 01 C35 ...

Page 9: ...T DSK10C ET1 D006 007 8234502800 D ST DAN202K D008 8234502800 D ST DAN202K D009 8234502100 D ST SCHOTTKY SB05 05CP D010 8234502800 D ST DAN202K D011 8234502800 D ST DAN202K RESISTORs Ref No Part No Description R001 8230500103 ST CARBON 1 10W 10K 5 R002 8230500104 ST CARBON 1 10W 100K 5 R003 8230500109 ST CARBON 1 10W 1 5 R004 8230500102 ST CARBON 1 10W 1K 5 R005 8230500822 ST CARBON 1 10W 8 2K 5 R...

Page 10: ...8245339004 CONN JACK PHONE YKB21 5074 J006 007 8245339004 CONN JACK PHONE YKB21 5074 J008 8245339004 CONN JACK PHONE YKB21 5074 J010 8245339004 CONN JACK PHONE YKB21 5074 J011 8245272017 CONN PI JACK FPC 17P J012 8245272017 CONN PI JACK FPC 17P J013 8245272017 CONN PI JACK FPC 17P L002 8242196223 COIL PVT 22µH 5 LF5 0S L003 8242214031 COIL PVT 68µH 5 ELES L004 8242501121 FILTER EMI 120 25 MMZ2012S...

Page 11: ...4 R53 50 40 30 20 60 70 80 90 100 1 U6 50 40 30 20 60 70 80 90 100 1 C62 C42 1 17 R90 C25 C51 C31 C60 C8 C70 C69 C61 R52 R58 R57 R56 R55 C40 C48 C47 C41 U4 C16 17 17 17 1 1 1 U1 D10 U11 D11 E Q2 Q1 E U12 C7 U3 U5 J11 J13 J12 TO FADER TO KEY TO LCD C23 8 1 R96 D7 R13 R224 R223 R124 R12 L4 R123 C226 C127 C225 C125 C126 C121 C122 C222 C98 C221 C211 C111 U111 U401 R111 R112 C214 C215 C115 C401 C301 C9...

Page 12: ...126 C121 C122 C222 C98 C221 C211 C111 U111 U401 R111 R112 C214 C215 C115 C401 C301 C94 C201 C92 C101 C403 C406 C306 C203 C206 C106 C207 C107 C205 R404 C303 R304 R204 C103 R104 R211 C114 C407 C307 R214 R215 R115 R401 L401 R114 R402 R301 L301 R302 R201 L201 R101 L101 R202 R102 C96 R222 R122 R227 R127 R213 R212 C212 1 C213 C116 C113 R113 C405 C305 R209 R407 R307 C402 U301 U201 C302 C202 C105 R109 U10...

Reviews: