Schematic Diagram - Amp Board - Sony HCD-GTX999 Service Manual

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3 7 6 3 1 5 1 5 0

6-24. SCHEMATIC DIAGRAM - AMP Board -

1 2 3
AMP BOARD
A
B
C
D
NO501
8P
+VH 8
E
+VH 7
GND 6
R
GND 5
4
-VH
TRANS
BOARD
3
-VH
CN421
(Page 45) 2
+VL C505 C507
0.1 0.1
1
-VL
100V 100V
T E
F L 1 3 9 4 2 2 9 6 5 1 3
C506 C508
0.1 0.1
D502
D10XB20
G
C580
ET503 0.01
(CHASSIS)
H
ET501
NO502
(CHASSIS)
6P
A_GND 1
G
FL_IN 2
A_GND 3
MAIN
FR_IN 4
I BOARD
(3/3) A_GND 5
CN104
SW_IN
6
(Page 33)
J
w w w
HCD-GTX999
4 5 6 7
IC501
POWER AMP
IC501
1 2 3 4 5 6 7 8 9 10
STK416-130-E
D505 D506
30PRA20FC 30PRA20FC
R509 R510
100 100 R512
0.22
5W
D503 R513
56k
UDZW-TE17-16B
R514
1k
C575
D504
0 3p
UDZW-TE17-16B
C509 C510
R511 Q512
R507 100 100
1 0 2SC5625
1.5k 100V 100V
2W
17.8
R508
Q501
1.5k
D501 2SC3052EF-T1-LEF
R515
2W
STANDBY SWITCH
D15XB20 100k
34.8 2.9
C540
22 R516 47k
D512
3.4 35V
MC2836
R517
22k
R540 R541
1k 22k
R542
100k
C501
R501 R502
100k 100k 3300
71V
R545
10k
18.2
R503 R504 C502
100k 100k 3300
Q512,518
18.2
71V
OVER LOAD
DETECT 0 ISA1235AC1TP-1EF
R546
47k
R547
1k
R548
C503 22k
R505
3300
100k
50V
Q545,546,557
R506
PROTECT DETECT
C504
100k
3300
50V
x a o
y
. i
http://www.xiaoyu163.com
8 9 10 11
+PRE SUB GND
11 12 13 14 15 16 17 18 19 20 21 22 23
R525
0.22
5W
C513 R524 C519 C526 R526
100p 100 100p 100p 56k
R520
R527
1k
1k
R518
0.22 5W
Q525
2SC5625
R519 OVER LOAD
C577
56k DETECT
3p
R536
C576 3p 560 0 0
R533 R539
560 820
Q518
2SC5625 C533 C539
17.8
0 22 47
0
50V 50V
R528
100k
C536
17.8 22
R521 50V
100k
R560
22k
R532 R535 R538
R522 47k 56k 56k 56k
R529 R530
22k 47k
R523 R562
C532 C535
C538
22k 3.9k
470p 470p 470p
D525
MA2J1110GLS0
D545
MA2J1110GLS0
Q Q
3 7 6
R550
C545 R531 R534 R537
1 2.2k 0
2.2k 2.2k
R549
50V
4.7k
R552
C531 C534
C537
47k
1 1
10
0
R551
Q545 50V TH501
50V 50V
330
0.6
Q546 R553
2SC3052EF-T1-LEF 47k
0 3.7
18.2
0
Q557
2SC3052EF-T1-LEF
0
u 1 6 3
37 37
2 4
8 9 9
12 13 14 15
R561 R556 R557 R558
C595 C597 RY501
22k 47k 56k 47k
0.1 0.1
-2
C598
C596
0.1 -1
0.1
D560 R477 R565 R567
100 100 100
MA2J1110GLS0
R462 R463
R468 R467
10 10 10 10 D570
R476 R568 R569
R563
MA2J1110GLS0
100 100 100
22k
R464 R469 R466
Q570
10 10 10
R555 2SC3052EF-T1-LEF
R554
R570
100k
18 RELAY DRIVE
47k
3 1 5 1 5 0 2.2k 8 9
R465
0
10
R571 0.8
Q550,551
100k
TEMPERATURE
0
DETECT
R478 R572 R573 -2
C599
100 100 100
0.1
-1
0
R479 R574 R575
Q556 C570
100 100 100
2SC3052EF-T1-LEF 0.1
OVER LOAD DETECT
RY502
R470 R471
18.2 0
10 10
R576 D576
MA2J1110GLS0
2.2k
0
C556 R473 R472
100
10 10
10V
R577
18.2
100k
Q576
2SC3052EF-T1-LEF
RELAY DRIVE
CN504
12P
12 HP-DET
P-GND
11
10
-VL
9
UNREG GND
8 UNREG LOW
7
THERMAL VACS
6
PROTECT
5 STK MUTE
4 DBFB
3 SW RLY
2 FR PLY
1 FAN DET
m
c o
.
HCD-GTX999
2
8 9 9
16 17 18
R593
1.5k
2W
C571 C573
100 100
50V 50V
NO503
4P
R475
R594 Q
1
1.5k HP_L
100
2W
2
HP_GND
R474
R596
1.5k
3 HP_R AUDIO IN
100
2W
BOARD
4 HP_SW
CN861
C572 C574 (Page 34)
100
100
R595
50V 50V
1.5k
2W
R578 R579
10 10
R580 R581
10 10
TB501
L578
L FRONT
L582
SPEAKER
R590
ONLY FOR
47k
0.1 C589 C590 R SS-GTX999
R591 0.1 0.1
2 4 9 8 2 9 9
R582 R583
47k
10 10 C592 C591
0.1 0.1
R592
R584 R585
0 47k
10 10 R454 R455 R458 R459
10 10 10 10
R456 R457 R460
R461
10 10 10 10
TB502
L586
SUBWOOFER
ONLY FOR
R586 R587
C593 SS-WG999
10 10
0.1 C561
470p
R588 R589
10 10 C594
0 0.1
C562
R450 R451
470p
10
10
R453
R452
10 C563
10
470p
ET502
(CHASSIS)
N
MAIN
BOARD
(3/3)
CN207
(Page 33)