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Circuit And Block Diagrams - Fostex VM88 Service Manual

8ch digital mixer with dsp effects
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VM88
DIODEs
Ref. 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 , 5%
R002
8230 1387 50 HT, carbon, 1/4W, 75 , 5%
R003
8230 1381 03 HT, carbon, 1/4W, 10k , 5%
R004
8230 1381 01 HT, carbon, 1/4W, 100 , 5%
R005
8230 1381 52 HT, carbon, 1/4W, 1.5k , 5%
R006
8230 1381 12 HT, carbon, 1/4W, 1.1k , 5%
R007
8230 1384 73 HT, carbon, 1/4W, 47k , 5%
R008
8230 1251 04 H, metal, 2W, 100k , 5%, F20, RSS
R009
8230 1386 29 HT, carbon, 1/4W, 6.2 , 5%
R022
8230 1381 03 HT, carbon, 1/4W, 10k , 5%
CAPACITORs
ALU = Electrolytic type
CER = Ceramic type
Ref. No.
Part No.
Description
C001, 002 8232 3542 22 VT, CER, 250V, 0.0022 F, 20%,
ECK-ZNS
C003
8232 3521 04 V, PES, 250V AC, 0.1 F, 20%, ECQ-UMV
C004
8232 1464 74 VT, ALU, 50V, 0.47 F, 20%, SME-VB
C006, 007 8232 8181 04 VT, CER, 25V, 0.1 F, +80-20%, YF
C008
8232 3241 07 V, ALU, 400V, 100 F, 20%,
SMH-VNSN, D2
C009, 010 8232 3824 76 VT, ALU, 63V, 47 F, 20%, LXV, D8
C012~014 8232 3574 77 VT, ALU, 16V, 470 F, 20%, LXV, D10
C015, 016 8232 3584 77 VT, ALU, 25V, 470 F, 20%, LXV, D10
C017, 018 8232 1434 77 VT, ALU, 16V, 470 F, 20%, SME, D10
C020
8232 0964 76 V, ALU, 25V, 47mF, 20%, SME
C021, 022 8232 3542 22 VT, CER, 250V, 0.0022 F, 20%,
ECK-ZNS
C024
8232 8031 03 VT, CER, 50V, 0.01 F, +80-20%, YF
C026, 027 8232 8031 03 VT, CER, 50V, 0.01 F, +80-20%, YF
C028
N/A
C029
8232 3491 03 VT, PES, 630V, 0.01 F, 10%,
ECQ-EKF3
C030
8232 8181 04 VT, CER, 25V, 0.1 F, +80-20%, YF
C040
N/A
C041
8232 1431 06 VT, ALU, 16V, 1 F, 20%, SME-VB
C101, 102 8232 8031 03 VT, CER, 50V, 0.01 F, +80-20%, YF
22
MISCELLANEOUS
Ref. No.
Part No.
Description
B100
8239 1200 00 Battery, 3V, CR2032
F001
8239 8010 08 Fuse, VT, semko, TLAG, 0.8A, 250V, TR5-T
!
J002
8245 3210 00 Connector, PL , jack, AC INLET, 3P, 0714-FR7
J003
8245 1711 11 Connector, PI , jack, 8283, 11P, WHT
L001
8242 2741 83 Filter, line, 18mH, 0.5A, ELF18D210
L002
8242 2491 02 Filter, line, 1mH, 2.2A, ELFI5N022A
L003
8242 2501 03 Coil, PV, 10 H, 2A, ELC
L004, 005 8242 1340 01 Filter, EMI, 6 hole
S001
8253 4610 02 SW, P, push, power, SDDLB1-B1-F2
T001
8242 2650 00 Transformer, sw power, ER2810, 5-53-18
!
W001
8277 1630 15 Cable assy, earth lug, SIN1.8, L150
E101
Wire, jumper, F5
E102
Wire, jumper, F10
• Key PCB assy
Ref. No.
Part No.
Description
8274 2740 00 PCB Assy, Key, VM88
8251 9952 01 Plain PCB, Key, VM88
ICs
Ref. No.
Part No.
Description
U100
8256 1870 00 Module, jog, SRGPWJ
DIODEs
Ref. No.
Part No.
Description
D101~109 8234 5007 00 HT, 1SS136
D111~117 8234 5040 04 Opt, VT, LED, grn, LT3E31W
D201~208 8234 5007 00 HT, 1SS136
D211~214 8234 5040 03 Opt, VT, LED, ylw, LT3H31W
D215
8234 5040 01 Opt, VT, LED, red, LT3D31W
D216
8234 5040 04 Opt, VT, LED, grn, LT3E31W
D217, 218 8234 5040 01 Opt, VT, LED, red, LT3D31W
RESISTORs
Ref. No.
Part No.
Description
R100~700 8240 2960 01 VR, slide, EWAQF, X05, 10k B
R101~109
N/A
R201~209 8230 1384 73 HT, carbon, 1/4W, 47k , 5%
MISCELLANEOUS
Ref. No.
Part No.
Description
J104
8245 2721 17 Connector, PL, jack, FPC, 17P,
IMSA-9602S-17F
J106
8245 2721 17 Connector, PL, jack, FPC, 17P,
IMSA-9602S-17F
S101~109 8253 1350 02 SW, PT, tact, SKQNAB
S201~208 8253 1350 02 SW, PT, tact, SKQNAB
E101
Wire, jumper, F5
E102
Wire, jumper, F10
E103
Wire, jumper, F12.5

4. CIRCUIT AND BLOCK DIAGRAMS

SEG40
COM1
SEG40
40
80
COM1
SEG39
COM2
SEG39
39
79
COM2
SEG38
COM3
SEG38
38
78
COM3
SEG37
COM4
SEG37
37
77
COM4
SEG36
COM5
SEG36
36
76
COM5
SEG35
COM6
SEG35
35
75
COM6
COM7
SEG34
SEG34
34
74
COM7
SEG33
COM13
SEG33
33
73
COM13
SEG32
COM12
SEG32
32
72
COM12
SEG31
COM11
SEG31
31
71
COM11
COM10
SEG30
SEG30
30
70
COM10
SEG29
COM9
SEG29
29
69
COM9
SEG28
SEG33
SEG28
28
68
SEG33
SEG27
SEG28
SEG27
27
67
SEG28
SEG26
SEG23
SEG26
26
66
SEG23
SEG25
SEG18
SEG25
25
65
SEG18
SEG24
SEG13
SEG24
24
64
SEG13
SEG23
SEG40
SEG23
23
SEG40
63
SEG22
SEG39
SEG22
22
62
SEG39
SEG21
SEG38
SEG21
21
61
SEG38
SEG20
SEG37
SEG20
20
60
SEG37
SEG19
SEG16
SEG19
19
SEG16
59
SEG18
SEG10
SEG18
18
58
SEG10
SEG17
SEG9
SEG17
17
57
SEG9
SEG16
SEG8
SEG16
16
56
SEG8
SEG15
SEG7
SEG15
15
55
SEG7
SEG14
SEG6
SEG14
14
54
SEG6
SEG13
COM16
SEG13
13
53
COM16
SEG12
COM15
SEG12
12
52
COM15
SEG11
COM14
SEG11
11
51
COM14
SEG10
COM13
SEG10
10
50
COM13
SEG9
COM12
SEG9
9
49
COM12
SEG8
COM11
SEG8
8
48
COM11
COM10
SEG7
SEG7
7
47
COM10
SEG6
COM9
SEG6
6
46
COM9
SEG5
SEG1
SEG5
5
45
SEG1
SEG4
SEG2
SEG4
4
44
SEG2
SEG3
SEG3
SEG3
3
43
SEG3
SEG2
SEG4
SEG2
2
42
SEG4
SEG1
SEG5
SEG1
1
41
SEG5
SEG38
DB1
SEG38
65
40
LCD_D1
SEG37
DB0
SEG37
66
39
LCD_D0
SEG36
E
SEG36
67
38
E
SEG35
R/W
SEG35
37
R/W
68
SEG34
RS
SEG34
69
36
RS
SEG33
D
SEG33
70
35
SEG32
M
SEG32
71
34
VCC
SEG31
SEG31
33
72
SEG30
CL2
SEG30
73
32
SEG29
CL1
SEG29
74
31
SEG28
V5
SEG28
75
30
V4
SEG27
SEG27
29
76
SEG26
V3
SEG26
77
28
SEG25
V2
SEG25
78
27
SEG24
V1
SEG24
79
26
OSCO
SEG23
SEG23
25
80
1
3
VM88
23

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