Fostex PH-50, Руководство по обслуживанию

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10 PH-50
4. CIRCUIT & BLOCK DIAGRAMS
+B1
R117
10
R118
5.6
C107
0.1u
2
3
1
J101
HTJ064
PHONES OUT 1
R119
3.3k
R159
3.3k
C104
16V/330u
C109
0.047u
G
1
-
2
+
3
E
4
O 5
B 6
P 7
G2 8
U102
386B
G
1
-
2
+
3
E
4
O
5
B
6
P
7
G2
8
U152
386B
R116
10k
C103
0.001u
C153
0.001u
C105
10v/47u
R156
10k
R154
3.3k
R115
3.3k
R114
3.3k
C101
10p
+B2
-B2
R112 100k
R113
3.3k
C102
0.1u
1
5
2
4
3
U101A
4570A
R110
39k
R111
39k
+B2
R752
27k
R753
27k
R751
220k
9
8
6
7
U605B
4570A
D751
1SS133
D754
1SS133
D753
1SS133
R754
100k
R755
4.7k
R759
4.7k
D752
L-934ID-5V
D802
L-934ID-5V
+B2
+B2
-B2
-B2
C751
0.1u
R756
4.7k
R757
100
R758
0
C753
0.1u
1
5
2
4
3
U605A
4570A
C608
10p
C611 10p
R624 10k
C605
100p
R618 10k
+B2
R619
8.2k
R621
8.2k
2
1
3
S601A
SSSF 2-2
-10dBV
R623
10k
R610
100k
C601
25V/22u
R611
10k
R612
10k
3
J603B
RCA 6P UNBAL.IN L
-10dBV
2
3
1
J601
HTJ064
R613
10k
R614
10k
R616
100k
C602
25V/22u
R626
100k
3
J604B
RCA 4P
BAL.IN L
+4dBu/-10dBV
1
2
3
J602
CANNON
AUX IN L
-10dBV
C614
25V/22u
R627
39k
C603
25V/22u
R615
100k C604
100p
C606
0.1u
C607
25V/22u
C615 10p
-B2
-B2
+B2
R628 39k
R629
3.3k
R620
8.2k
R622
39k
+4dBu
C662
0.1u
R617
10k
1
5
2
4
3
U601A
4570A
1
5
2
4
3
U701A
4570A
C610
25V/22u
+B2
-B2
-B2
+B2
C656
0.1u
R631
10k
R630
10k
R632
39k
1
5
2
4
3
U651A
4570A
1
5
2
4
3
U602A
4570A
R625
1K
R633
100
C617
25V/22u
C612
0.1u
R150
39k
R151
39k
2
1
5
3 4
6 7
R602
5kAA
C151
10p
R212 100k
C201
10p
+B2
+B2
2
1
5
3
4
6
7
R101
5kAA
R152 100k
R153
3.3k
9
8
6
7
U101B
4570A
G
1
-
2
+
3
E
4
O
5
B
6
P
7
G2
8
U202
386B
R216
10k
C203
0.001u
C155
10v/47u
C205
10v/47u
R215
3.3k
R214
3.3k
R155
3.3k
+B1
R217
10
R158
5.6
R218
5.6
C108
0.1u
R157
10
2
3
1
J201
HTJ064
PHONES OUT 2 R219
3.3k
C154
16V/330u
C204
16V/330u
C159
0.047u
R258
5.6
R257
10
R259
3.3k
C254
16V/330u
C209
0.047u
C259
0.047u
G
1
-
2
+
3
E
4
O
5
B
6
P
7
G2
8
U252
386B
G
1
-
2
+
3
E
4
O
5
B
6
P
7
G2
8
U302
386B
R316
10k
C253
0.001u
C255
10v/47u
C303
0.001u
R256
10k
R314
3.3k
R255
3.3k
R254
3.3k
C251 10p
-B2
+B2
2
1
5
3
4
6
7
R201
5kAA
R252 100k
R213
3.3k
C202
0.1u
9
8
6
7
U201B
4570A
1
5
2
4
3
U201A
4570A
R210
39k
R211
39k
R251
39k
R250
39k
R673
100
2
1
3
4
5
6
7
8
W601
2
1
3
4
5
6
7
8
62903579
C660
25V/22u
+B2
5
4
6
S602B
SSSF 2-2
2
1 3
S602A
SSSF 2-2
+B2
C658
10p
2
1
5
3 4
6 7
R601
5kAA
R670
10k
R672 39k
C661
10p
R664
10k
9
8
6
7
U602B
4570A
9
8
6
7
U651B
4570A
R665
1K
C657
25V/22u
C655
100p
C654
100p
R658 10k
+B2
R663
10k
R659
8.2k
R661
8.2k
R660
8.2k
R662
39k
5
4
6
S601B
SSSF 2-2
-10dBV
+4dBu
R657
10k
9
8
6
7
U601B
4570A
R650
100k
R651
10k
R652
10k
R653
10k
R654
10k
R656
100k
C653
25V/22u
C652
25V/22u
6
J604D
RCA 4P
2
3
1
J651
HTJ064
1
2
3
J652
CANNON
-10dBV
BAL.IN L
+4dBu/-10dBV
C651
25V/22u
R655
100k
R701
100k
C701
25V/22u
C664
25V/22u
7
8
J701
RCA 6P
R667
39k
AUX IN R
-10dBV
-10dBV
CHANNEL IN 1
R666
100k
2
3
1
J605
RCA JACK SW
C665 10p
+B2
R668 39k
R669
3.3k
9
8
6
7
U701B
4570A
R671
10k
C667
25V/22u
R310
39k
R311
39k
R351
39k
C301 10p
C351 10p
2
1
3
4
5
6
7
8
9
10
W603
62903580
2
1
3
4
5
6
7
8
9
10
+B2
-B2
2
1
5
3
4
6
7
R301
5kAA
R312 100k
R352 100k
R253
3.3k
R313
3.3k
C302
0.1u
1
5
2
4
3
U301A
4570A
G
1
-
2
+
3
E
4
O 5
B
6
P
7
G2
8
U352
386B
R356
10k
C353
0.001u
C305
10v/47u
C355
10v/47u
R355
3.3k
R354
3.3k
R315
3.3k
+B1
R317
10
R318
5.6
R358
5.6
R357
10
C307
0.1u
2
3
1
J301
HTJ064
PHONES OUT 3
R319
3.3k
R359
3.3k
C304
16V/330u
C354
16V/330u
C309
0.047u
C359
0.047u
+B1
C409
0.047
R417
10
R418
5.6
C308
0.1u
2
3
1
J401
HTJ064
PHONES OUT 4
R419
3.3k
R459
3.3k
C404
16V/330u
G
1
-
2
+
3
E
4
O
5
B
6
P
7
G2
8
U402
386B
G
1
-
2
+
3
E
4
O
5
B
6
P
7
G2
8
U452
386B
R456
10k
C403
0.001u
C453
0.001u
C405
10v/47u
R416
10k
R454
3.3k
R415
3.3K
R414
3.3k
C401
10p
+B2
-B2
+B2
R412 100k
R353
3.3k
R413
3.3k
C402
0.1u
1
5
2
4
3
U401A
4570A
9
8
6
7
U301B
4570A
R350
39k
R411
39k
R410
39k
2
1
3
4
5
6
7
8
W602
2
1
3
4
5
6
7
8
62903579
R702
100k
R703
100k
R704
100k
R705
100k
C702
25V/22u
C703
25V/22u
C704
25V/22u
C705
25V/22u
2
1
J603
RCA 4P
5
4
J603
RCA 4P
1
2
J701
RCA 6P
4
5
J701
RCA 6P
-10dBV
-10dBV
-10dBV
-10dBV
CHANNEL IN 2
CHANNEL IN 3
CHANNEL IN 4
CHANNEL IN 5
6
J701
RCA 6P
9
J701
RCA 6P
-10dBV
-10dBV
CASCADE OUT L
CASCADE OUT R
D601
L-934ID-5V
R638
3.3k
R639
3.3k
R636
100k
R635
100k
Q603
B1237
Q601
D1858
Q602
D1858
R640
2.2k
R641
2.2k
C622
50V/2.2u
C804
0.1u
+B1
IN
3
OUT
1
G
2
U801
78M12AHF Q801
C4549
R805
100
C806
25V/22u
+B2
R451
39k
R450
39k
C451
10p
C501
10p
+B2
2
1
5
3
4
6
7
R401
5kAA
R452 100k
R512 100k
9
8
6
7
U401B
4570A
R453
3.3k
G
1
-
2
+
3
E
4
O
5
B
6
P
7
G2
8
U502
386B
R516
10k
C503
0.001u
C455
10v/47u
C505
10v/47u
R515
3.3k
R514
3.3k
R455
3.3k
+B1
R517
10
R458
5.6
R518
5.6
C752
0.1u
R457
10
2
3
1
J501
HTJ064
PHONES OUT 5
R519
3.3k
C454
16V/330u
C504
16V/330u
C459
0.047u
C509
0.047u
R558
5.6
R557
10
R559
3.3k
C554
16V/330u
C559
0.047u
G
1
-
2
+
3
E
4
O
5
B
6
P
7
G2
8
U552
386B
R556
10k
C553
0.001u
C555
10v/47u
R555
3.3k
R554
3.3k
C551 10p
+B2
-B2
+B2
2
1
5
3
4
6
7
R501
5kAA
R552 100k
R513
3.3k
R553
3.3k
C502
0.1u
9
8
6
7
U501B
4570A
1
5
2
4
3
U501A
4570A
R510
39k
R511
39k
R551
39k
R550
39k
C807
25V/22u
-B2
C805
0.1u
C803
25V/1000u
IN
2
OUT
1
G
3
U802
79M12AHF
C802
25V/3300u
C801
25V/1000u
C810
25V/1000u
4
2
1
3 D801
RB151
R803
100
C621
50V/2.2u
D603
1SS133
D602
1SS133
R634
27k
R637
10k
C620
50V/2.2u BP
Q604
D1858
R801
F2.2
R802
F2.2
C808
0.0047
C809
0.0047
1
2
3
CN802
XH3P
R804
100
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