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

Hdd audio systems
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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)

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