Fostex X-24 Power Supply User Manual


 
24
X-24
R/P / REGULATOR PCBs
R131
100
1
TP104
BIAS CURR
1
2
3
4
5
J101
C124
2.2/50
R129
6.2K
3
1
2
U108
DTC114TK
REC LEVEL
TRK1
C119
10/16
1
2
3
R121
22KB
2
3
8
4
1
U101A
2068
R122
6.2K
+VCC
AGND
Dolby B
(-6.9dBV)
TAPE OUT
TRK2TRK3TRK4
-10dBV
P
B
1
P
B
2
P
B
3
P
B
4
R
E
C
1
R
E
C
2
R
E
C
3
R
E
C
4
C116
47/10
C117
47/10
R118
2K
12 34 56 78
J412345678
J7
R107 3.3K
R207 3.3K
R307 3.3K
R407 3.3K
R116
240
+VCC
C109
1/50
C110
1/50
2
3
4
6178
L102
FB-7G
1
TP101
REP EQ
51
2
1
3
741
5
8
6
2
1
09
1
1
1
4
1
6
1
3
U102
HA12135AF
R109
2.2K
C107
2.2/50
C103
NON
5
6
7
U101B
2068
C102
1/50
REP EQ
REP LEV
C101
560P
C104
220P
R102
100K
R105
390K
1
3
2
R106
470B
1
3
2
L101
C105
0.0082(PP)
3
2
8
4
1
U201A
2068
R101
24K
1 3
2
R103
22KB
+VCC
C106
47/10
C202
1/50
C209
1/50
C210
1/50
2
3
4
6178
L202
FB-7G
1
TP201
REP EQ
D101
D102
51
2
1
3
741
5
8
6
2
1
09
1
1
1
4
1
6
1
3
U202
HA12135AF
C108
3900P(PP)
R209
2.2K
R110
3.3K
C207
2.2/50
R108
180
3
1
2
U104
DTC114TK
Dolby B
R113
18K
R114
20K
R115
20K
C112
4.7/50
C216
47/10
C114
47/10
C115
47/10
R119
2K
R218
2K
3
2
1
U105
C118
0.027(PP)
C113
0.22/50
C217
47/10
R117
2K
R216
240
+VCC
D+VCC
-VCC
REC LEVEL
R120
4.7K
1
2
3
R221
22KB
R123
36K
R124
15K
R125
15K
C120
NON
C219
10/16
C121
0.1/50
6
5
7
U201B
2068
R222
6.2K
C122 180P
C123
0.0018(PP)
-VCC
3
1
2
U106
DTC114TK
R130
10K
R134
2.2K
R135
2.2K
R136
22
1
3 2
L103
1
TP106
OSC LEVEL
C128
0.01(PP)
D103
D104
Q101
3
2
1
4
6
78
T101
D-VCC
3
1
2
U107
DTC114TK
3
1
2
U208
DTC114TK
ERASE
CURR
BIAS ADJ
R132
1
R231
100
C125
220P
1
2
3
4
5
U109
1
TP204
BIAS CURR
1
TP105
C126
0.0015(PP)
1
2
3
4
5
J201
1
2
3
R133
220KB
D+VCC
AGND
BIAS ADJ
R331
100
R232
1
C225
220P
1
2
3
4
5
U209
1
TP304
BIAS CURR
1
TP205
C226
0.0015(PP)
1
2
3
R233
220KB
D+VCC
AGND
C224
2.2/50
R230
10K
R234
2.2K
R235
2.2K
R236
22
1
3 2
L203
1
TP206
OSC LEVEL
C228
0.01(PP)
D203
D204
Q201
3
2
1
4
6
78
T201
R229
6.2K
D-VCC
3
1
2
U207
DTC114TK
3
1
2
U308
DTC114TK
R220
4.7K
R223
36K
R224
15K
R225
15K
C220
NON
C221
0.1/50
C222 180P
C223
0.0018(PP)
3
1
2
U206
DTC114TK
R214
20K
R215
20K
R213
18K
C212
4.7/50
C214
47/10
C215
47/10
R219
2K
3
2
1
U205
C218
0.027(PP)
C213
0.22/50
R217
2K
+VCC
D+VCC
-VCC
1
TP301
REP EQ
D201
D202
C208
3900P(PP)
R210
3.3K
R208
180
3
1
2
U204
DTC114TK
REP EQ
REP LEV
C203
NON
C204
220P
R202
100K
R205
390K
1
3
2
R206
470B
1
3
2
L201
C205
0.0082(PP)
C201
560P
R201
24K
1 3
2
R203
22KB
-VCC
C206
47/10
REP EQ
REP LEV
C303
NON
C304
220P
R302
100K
R305
390K
1
3
2
R306
470B
1
3
2
L301
C305
0.0082(PP)
5
6
7
U301B
2068
C301
560P
R301
24K
1 3
2
R303
22KB
C306
47/10
C302
1/50
C309
1/50
C310
1/50
2
3
4
6178
L302
FB-7G
D301
D302
51
2
1
3
741
5
8
6
2
1
09
1
1
1
4
1
6
1
3
U302
HA12135AF
C308
3900P(PP)
R309
2.2K
R310
3.3K
C307
2.2/50
R308
180
3
1
2
U304
DTC114TK
Dolby B
R313
18K
R314
20K
R315
20K
C312
4.7/50
C314
47/10
C315
47/10
C316
47/10
R318
2K
R319
2K
3
2
1
U305
C318
0.027(PP)
C313
0.22/50
C317
47/10
R316
240
R317
2K
D+VCC
-VCC
REC LEVEL
1
2
3
R321
22KB
R320
4.7K
R323
36K
R324
15K
R325
15K
C319
10/16
C320
NON
C321
0.1/50
2
3
8
4
1
U301A
2068
R322
6.2K
C322 180P
C323
0.0018(PP)
+VCC
-VCC
3
1
2
U306
DTC114TK
C324
2.2/50
R330
10K
R334
2.2K
R335
2.2K
R336
22
1
3 2
L303
1
TP306
OSC LEVEL
C328
0.01(PP)
D303
D304
Q301
3
2
1
4
6
78
T301
R329
6.2K
D-VCC
3
1
2
U307
DTC114TK
3
1
2
U408
DTC114TK
BIAS ADJ
R431
100
R332
1
C325
220P
1
2
3
4
5
U309
1
TP404
BIAS CURR
1
TP305
C326
0.0015(PP)
1
2
3
4
5
J301
1
2
3
R333
220KB
D+VCC
AGND
BIAS ADJ
R432
1
C425
220P
1
2
3
4
5
U409
1
TP405
C426
0.0015(PP)
1
2
3
4
5
J401
1
TP1
1
2
3
R433
220KB
D+VCC
BGND
AGND
C424
2.2/50
R430
10K
R434
2.2K
R435
2.2K
R436
22
1
3 2
L403
1
TP406
OSC LEVEL
C428
0.01(PP)
D403
D404
Q401
3
2
1
4
6
78
T401
R429
6.2K
D-VCC
3
1
2
U407
DTC114TK
REC LEVEL
R420
4.7K
1
2
3
R421
22KB
R423
36K
R424
15K
R425
15K
C419
10/16
C420
NON
C421
0.1/50
6
5
7
U401B
2068
R422
6.2K
C422 180P
C423
0.0018(PP)
3
1
2
U406
DTC114TK
Dolby B
R413
18K
R414
20K
R415
20K
C412
4.7/50
C414
47/10
C415
47/10
C416
47/10
R418
2K
R419
2K
3
2
1
U405
C418
0.027(PP)
C413
0.22/50
1
2
3
4
5
R11
C417
47/10
R416
240
R417
2K
+VCC
D+VCC
-VCC
C409
1/50
C410
1/50
2
3
4
6178
L402
FB-7G
1
TP401
REP EQ
D401
D402
51
2
1
3
741
5
8
6
2
1
09
1
1
1
4
1
6
1
3
U402
HA12135AF
C408
3900P(PP)
R409
2.2K
R410
3.3K
C407
2.2/50
R408
180
D+VCC
D+VCC
3
1
2
U404
DTC114TK
REP EQ
REP LEV
C403
NON
C404
220P
R402
100K
R405
390K
1
3
2
R406
470B
1
3
2
L401
P12
19
P13
20
P20
22
P21
23
P22
24
P23
25
K00
26
K01
27
K02
28
K03
29
KE0
34
R80
35
R81
36
R82
37
R83
38
RESET
33
X
O
U
T
3
2
X
I
N
3
1
VSS
21
TEST
30
VDD
42
R40
1
R41
2
R42
3
R43
4
R50
5
R51
6
R52
7
R53
8
R91
40
R92
41
R60
9
R61
10
R62
11
R63
12
R70
13
R71
14
R72
15
R73
16
P10
17
U23
TMP47C200BN
C405
0.0082(PP)
3
2
8
4
1
U401A
2068
C401
560P
R401
24K
1 3
2
R403
22KB
+VCC
-VCC
C406
47/10
C402
1/50
A.B
REC
1
2
3
4
5
6
7
8
9
10
11
12
13
J6
TRK1
TRK2
TRK3
TRK4
TRK1
TRK2
TRK3
TRK4
A.B
PITCH
LED
SW
R22
47K
R23
47K
R24
47K
R25
47K
C20
0.01
C21
0.01
C22
0.01
C23
0.01
C28
0.1
D5
1
2
4
6
8
10
3
5
7
9
11
R10
D+VCC
D+VCC
DGND
DGND
DOLBY ON/OFF
OFF
3
2
1
U5
DTA144EK
3
2
1
U4
DTA144EK
3
2
1
U6
DTA144EK
3
2
1
U7
DTA144EK
3
2
1
U8
DTA144EK
3
2
1
U9
DTA144EK
1
2
3
4
5
R12
D+VCC
-VCC
D-VCC
ON
3
1
2
U30
DTC144EK
3
1
2
U31
DTC144EK
C12
22/16
123
456
7 8
S2
R3
20K
C50
100/10
R50
20K
R51
4.7K
+VCC
D+VCC
AGND
-VCC
R53
47K
R54
47
R55
33K
L1
150uH
C52
0.022(PP)
C53
0.0047(PP)
Q1
Q2
Q3
3
2
1
4
6
78
T1
C55
10/16
R56
4.7K
R52
3.3K
C51
0.1(PP)
R1
820
+MVCC
D+VCC
BGND
D-VCC
C54
0.0047(PP)
POWER SW
1
3
2
J1
1
2
3
4
J11
2
1
3
4
2
1
3
4
W11
C1
0.01
I
N
3
O
U
T
1
G
2
U1
UPC2410
C2
0.01
DC IN
(12V 600mA)
C2
470/25
D1
123
456
7 8
S1
AGND
C3
100/25
3
2
1
U2
R4
10K
R5
10K
R6
22
R7
22
D3
C5
22/16
R2
390K
R8
750
3
2
8
4
1
U3A
4560
5
6
7
U3B
4560
C4
100/10
C6
220/10
C7
220/10
R13
4.7
R14
4.7
D+VCC+VCC
AGND DGNDBGND
D-VCC-VCC
C8
100/10
C9
100/10
R38
10K
3
2
1
U10
DTA144EK
3
2
1
U11
DTA144EK
3
2
1
U15
DTA144EK
3
2
1
U16
DTA144EK
3
2
1
U17
DTA144EK
3
2
1
U18
DTA144EK
3
2
1
U12
DTA144EK
3
2
1
U13
DTA144EK
3
2
1
U14
DTA144EK
3
2
1
U19
DTA144EK
3
2
1
U20
DTA144EK
3
2
1
U21
DTA144EK
D4
-VCC
D-VCC
13
2
X1
4MHz
+MVCC
DGND
PITCH
ADJUST
R20
47K
R26
47K
R28
47K
R29
47K
R31
47K
R33
47K
C24
0.01
C25
0.01
R40
1M
R41
10K
R42
3.3K
1
2
3
R43
3.3KB
R32
10k
R30
10K
3
1
2
U40
DTC144EK
3
2
1
U41
DTA144EK
R21
10K
R27
10K
+MVCC
D+VCC
DGND
DGND
Q4
2SK117
PUNCH IN/OUT
1
2
J2
R44 510
-VCC
-VCC
DGND
TRANSPORT
123456789
J3
C29
0.01
DGND
3 2
1
U22
DTA144EK
123456789
J8
1
J9
1
J10
1
W1
123456
J5
DGND
AGND
D-VCC
P
M
U
T
E
A
B
1
A
B
3
A
B
4
A
B
2
E
/
D
2
E
/
D
3
E
/
D
4
E
/
D
1
C
E
N
T
E
R
S
H
I
E
L
D
B
O
T
T
O
M
S
H
I
E
L
D
I
N
H
I
B
I
T
P
L
A
Y
R
E
C
- +BA
T
R
A
N
S
P
O
R
T
G
N
D
REGULATOR PCB
R/P PCB