A-933
SCHEMATIC DIAGRAMS-3
POWER AMPLIFIER SECTION
Q671
TLP521-1
1
4
3
2
9
10
8
4
5
6
Q416
74AC00FT
1
2
3
4
5
6
9
10
8
Q415
74AC00FT
12
13
11
7
12
13
11
14
7
1
2
3
14
P506
P501
E901
BUSBAR
3
14
13
4
1
16
15
2
5
12
11
6
7
10
9
8
JL501B
Q672
DTA114ES
Q606
RN2402
Q622
RN2404
Q621
RN2404
Q613
M51957BFP
C 5
GND
4
IN
2
NC1
1
NC2
3
NC3 8
OUT 6
VCC 7
Q420
RN1441
Q419
RN1441
-33.5
P401
Q618
RN1402
Q619
RN1402
Q673
DTC114ES
Q617
RN1402
Q607
RN1402
Q609
RN1402
Q614
RN1407
Q616
RN1402
R623
THERMISTOR
RL502
NRL-2P5A-DC12V
RL501
NRL-2P5A-DC12V
L506
NCH-1537
1
2
3
4
L505
NCH-1537
1
2
3
4
BUSBAR
BUSBAR
BUSBAR
1
6
5
TPC6901
1
6
5
1
6
5
1
6
5
1
6
5
1
6
5
Q517
TPC6901
1
6
5
1
6
5
Q518
TPC6901
3
4
2
Q520
3
4
2
Q516
TPC6901
3
4
2
Q514
TPC6901
3
4
2
Q515
TPC6901
3
4
2
Q513
TPC6901
3
4
2
Q519
TPC6901
3
4
2
3
4
2
D517
LN15XB60
1
2
3
4
D518
LN15XB60
1
2
3
4
D519
S1NB60
1
2
3
4
Q530
78L05
G
I
O
Q529
78L05
G
I
O
Q526
78L05
G I
O
C605
104
C606 104
C422
101
C421
101
C555
471
C565
471
C611
101
C566
471
C574 NC
C573
NC
C556 471
C602
103
C604 103
C424
101
C423 101
C603 103
C601 103
7
5
6
14
7
9
8
14
9
8
11
10
3
4
1
2
Q413
74AC14FT
13
12
11
10 13
12
5
6
3
4
1
2
Q674
2SA950
Q610
2SA1162-GR
Q602
2SA1163-BL
Q534
2SS1162-GR
Q531
2SA1837
Q601
2SA1163-BL
6
1
2
Q410
HN3C51F
5
3
4
6
1
2
Q402
HN3C51F
5
3
4
5
3
4
HN3C51F-BL
6
1
2
5
3
4
Q401
HN3C51F
6
1
2
5
3
4
6
1
2
Q408
6
1
2
Q408
5
3
4
Q406
HN3A51F
6
1
2
Q405
HN3A51F
6
1
2
6
1
2
Q417
5
3
4
HN3A51F
6
1
2
6
1
2
Q605
HN3A51F
5
3
4
6
1
2
Q608
HN3A51F
5
3
4
5
3
4
Q407
5
3
4
5
3
4
Q536
78M09
G
I
O
Q525
78M09
G
I
O
D551
UDZS5.6B
D552
UDZS5.6B
D401
UDZ5.6B
D402
UDZ5.6B
D515
UDZS15B
D514
UDZS15B
R428
100 (B)
R427
100 (B)
Q411
2SC2713-GR
Q412
2SC2713-GR
Q502
2SC2713
Q501
2SC2713
Q504
2SC2712
Q503
2SC2712
Q604
2SC2712-GR
Q404
2SC2712-GR
Q532
2SC4793
Q533
2SC2712-GR
Q603
2SC2712-GR
Q403
2SC2712-GR
P504
P503
P505
P602
L501
22U
L502
22U
D525
1SS352
D527
1SS352
D528
1SS352
D526
1SS352
D524
1SS357
D523
1SS357
D521
1SS357
D522
1SS357
D509
NC
D512
NC
D501
M1FL20U
D502
M1FL20U
D503
M1FL20U
D505
M1FL20U
D601
1SS352
D602
1SS352
D510
NC
D507
NC
D508
NC
D603
1SS352
D604
1SS352
D506
M1FL20U
D414
1SS352
D412
1SS352
D410
1SS352
D408
1SS352
D504
M1FL20U
D406
1SS352
D404
1SS352
D409
1SS352
D407
1SS352
D413
1SS352
D411
1SS352
D511
1SS352
D405
1SS352
D403
1SS352
C507
33/35
C429
100/6.3
C571
47/35
C535
100/16
C538
330/16
C537
330/16
C430
100/6.3
C508
33/35
C536
100/16
C572
47/35
C510
47/63
C509
47/63
C518
12000/63
C517
12000/63
C614
4.7/50
C525
470/35
C437
100/16
C435
100/16
C438
100/16
C436
100/16
C607
100/35
C527 47/16
C409
22/16
C610 1/50
C408
47/25(ROS)
C410
22/16
C404
47/25
(ROS)
C506
10/50
C512
100/16
C511
100/16
C505
10/50
C407
47/25 (ROS)
C403
47/25
(ROS)
C595
102
C596 102
C562
271
C563 101
C561
271
C591
271
C592 271
C564
101
C590 103
C589 103
C551 NC
C553 224
C541 224
C542 224
C554 224
C531
334
C522
334/100V
C520
334/100V
C521
334/100V
C519
334/100V
C523 334
C524
334
C432
681
C431
681
C548 103/100V
C547
103/100V
C546
102/100V
C427
224
C428
224
C402 221
C585 101
C584
101
C582
101
C406
221
C586
101
C581
101
C583
101
C405
221
C608
224
C557
NC
C558
NC
C559
NC
C550
102/100V
C615 104
C411
104
C412
104
C539
334/100V
C543
153
C540
334
C544
153
C612 103
C613 103
C420
102 (F)
C418
102(F)
C532
334
C419
102 (F)
C417
102 (F)
C552 NC
C401
221
R645
R646
R671 2.2K
R627 10K
R673
390
R672
22K
R596
47
R501
NC
R503
NC
R595
47
R597
47
R598
47
R538
56K
R504
NC
R502
NC
R564
220
R537
56K
R543
56K
R580
33
R572
33
R571
33
R507
82
R510
82
R516
560
R509
82
R515 560
R513 560
R544
56K
R508
82
R514 560
R524
33
R522
33
R530
3.3
R532
3.3
R518
33
R520
33
R526
3.3
R528
3.3
R565
220
R579
33
R519
33
R517
33
R525
3.3
R527
3.3
R523
33
R521
33
R529
3.3
R531
3.3
R573
2.2
R591
6.8
R545
100K
(1%)
R549
100K (1%)
R557
470
(1W)
R558
470(1W)
R559
2.2
R644
NC
R630
2.2K
R643
0
R636
47K
R494
1.2K
R493
1.2K
R592
6.8
(2.2)
R402
2.2K
R414
390K
R406
56K
R413
390K
R405
56K
R655
NC
R656
NC
R612
100K
R618
100K
R492
2.2K
R490
12K
R652
NC
R654
33K
R653
33K
R651 NC
R441
5.6K
R491 2.2K
R489
12K
R442
5.6K
R416
47K
R415
47K
R584
3.9K
R582 3.9K(2W)
R586
2.2K
R418
10K
R581 3.9K (2W)
R583 3.9K
R585
2.2K
R621
NC
R495
220
R496 220
R498
220
R497
220
R574
2.2
R602
47K
R550
100K
(1%)
R546
100K
(1%)
R617 5.6K
R615 82K
R614 82K
R616 6.8K
R578
47K
R576
560K
R488
NC
R486
NC
R458
2.2K
R410
4.7K
R412
4.7K
R484
1K
R440 120F
R482
33
R443
47K
R439
22
R481
120F
R417
10K
R577
47K
R575
560K
R483
1K
R449 390
R451 390
R411
4.7K
R409
4.7K
R487
NC
R485
NC
R635 2.2K
R634 2.2K
R611 47K
R613
5.6K
R606
100K
R620
15K
R622
470
R619
47K
R628 33K
R629
5.6K
R551
22
R552
22
R632 2.2K
R631 10K
R633
10K
R610
22K
R608
33K
R542
0.1
(2W)
R536
10
R472
100
R470
390
R468
560
R466
0
R642
220K
R604 22K
R540
0.1
(2W)
R534
4.7
R444
47K
R460 560
R456 560
R454 2.2K
R450
390
R452
390
R420
2.2K
R436
100K
R422
47K
R434 2.2K
R424
470
R408
470
R432
47
R430
47
R438
27K
R404
220K
R563 1.5K
R562 1.5K
R561 33K
R560 33K
R640
100K
R637
68K
R638
6.8K
R639
10K
R467
560
R465
0
R471
100
R469
390
R641
220K
R605
100K
R609
22K
R607
33K
R603
22K
R601
47K
R539
0.1
(2W)
R541
0.1
(2W)
R535
10
R533
4.7
R457
2.2K
R401
2.2K
R459
560
R455 560
R453
2.2K
R419 2.2K
R435
100K
R421
47K
R433 2.2K
R423 470
R407
470
R431
47
R429
47
R437
27K
R403
220K
Q524
IRFB23N15D 2
1
3
Q522
IRFB23N15D
2
1
3
Q523
IRFB23N15D
2
1
3
Q521
IRFB23N15D
2
1
3
NAAF-8496
Rch
Lch
GND
GND
CURRENT &
PUMPING PROTECT
DC PROTECT
THERMAL
PROTECTION
PWMCNT
PROTECT I
GND
+5V
PROTECT V
SPA RL
SPB RL
+12V
NF MUTE
SPEAKERS
A
SPEAKERS
B
L
R
L
R
Q409
Q407
HN3A51F
HN3A51F
Q418
HN3A51F
DC OFFSET
ADJUST
DC OFFSET
ADJUST
Q413
74AC14FT
Q615
TLP283-4
HN3A51F
HN3A51F
To NAAF-8479 &
NAETC-8480
(SD-1 : D5)
To NAAF-8499 &
NAAF-8500
(SD-1 : D4)
To TRANS.T901
(SD-1 : E4)
To TRANS.T902
(SD-1 : E4)
U01
POWER AMPLIFIER PC BOARD
Lch
Rch
RED
RED
RED
RED
To TRANS.T902
(SD-1 : E4)
BLUE
BLUE
NC
+14.3V
-14.3V
+52.8V
-52.8V
+52.8V
+52.8V
-44V
-44V
-52.8V
-52.8V
-52.8V
-52.8V
-47.9V
-47.9V
+12.6V
+12.6V
13.8V
13.8V
-47.9V
-47.9V
+4.2V
+4.2V
-47.8V
-47.8V
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
!
NOTE
<Note>
NC = No mount of parts.
SD-Z : XY
Location of connected terminal in schematic diagrams.
SD-Z = Schematic diagrams-Z. X = A to H, Y = 1 to 5.
A
1
2
3
4
5
B
C
D
E
F
G
H
