
HCD-NXM4D
59
59
HCD-NXM4D
7-30. SCHEMATIC DIAGRAM – FRONT AMP BOARD –
C503
R507
C504
Q851
Q852
R505
R506
R530
R531
D504
R535
R534
D505
R545
R546
R550
R547
R851
R850
R559
R564
R565
D509
C850
C513
C852
C853
C851
C854
C855
C856
R855
R858
R875
R876
R509
R860
Q850
R890
R536
R542
R543
R532
R533
R870
R871
C861
C862
C530
C531
C534
C535
R555 R556
R554 D508
R571
R572 R573
R598
R599
R596
R595
C529
R562
R566
R578
C537
C538
C539
C540
C541
C542
R577
R581
R587
R584
R586
C545
C546
C543
C544
C547
C548
R589
R539
R538
R540
R544
D506
D507
C526
C527
R541
R516
C509
R511
R518
R519
Q501
Q502
TH531
C516
R515
R512
C515
D
50
3
D
502
D501
C510
C501
R502
C508
C507
C511
C502
R503
C560
C505
CN501
CN508
R527
C860
R862
R867
R866
C859
R863
R865
D852
R864
Q859
CN507
R880
D853
C865
CN502
CN503
R591
Q853
Q854
R520
R526
R525
R524
R521
JW520
R
528
R513
R560
R580
C557
R872
IC501
Q505
Q506
Q504
R529
C522
C523
C524
C525
R549
Q507
Q508
Q510
Q509
Q890
Q869
Q868
R510
C506
R
537
Q503
C528
C870
D851
C858
Q861
Q860
IC850
R568
R569
R567
L504
L505
R585
L506
JW511
R590
JW509
JW514
R583
R582
JW507
R576
L503
R563
L502
R561
L501
JW504
JW505
R570
EP502
R574
R575
D510
RY502
R517
R523
R522
C518
R548
RY501
R557
R854
R857
470p
47k
470p
2SC1623
2SC1623
1k
47k
1k
15k
1SS355
1k
15k
1SS355
2.2k
47k
2.2k
68k
4.7k
2.2k
2.2k
47k
47k
1SS355
10
50V
0.001
2.2
50V
220
10V
100
10V
10
50V
4.7
100V
4.7
100V
680
2W
680
2W
220
220
1k
4.7k
2SC1623
10k
0.22 2W
10
1/2W
10
1/2W
100k
100k
4.7k
22k
100
10V
100
10V
2200
50V
2200
50V
2200
35V
2200
35V
22k
22k
22k ISS355
1.8k
2W
1.8k
2W
1.8k
2W
4.7k
1/2W
4.7k
1/2W
4.7k
1/2W
4.7k
1/2W
0.01
10
1/2W
10
1/2W
10
1/2W
100000p 100000p
100000p100000p
100000p 100000p
47k
100
1W
10
1/2W
10
1/2W
47k
100000p 100000p
100000p 100000p
100000p100000p
47k
1k
15k
100k
10
1/2W
1SS355
1SS355
0.1
50V
0.1
50V
0.22
5W
47k
47
16V
150
100k
100k
2SC1623
2SC1623
MT
47
50V
33k
150
47
50V
U
D
ZS
-TE-17-15B
U
D
ZS
-TE-17-15B
1SS355
47
16V
10
50V
1k
220p
220p
220p
470p
47k
10 50V
10 50V
8P
B-TO-B
10P
B-TO-B
47k
4.7
50V
22k
4.7k
47k
47
16V
22k
100
1SS355
220k
2SC1623
3P
EH-S
22k
1SS355
22
50V
11P
SCN-L
11P
10
1/2W
2SC3624A
MUTE
2SC3624A
MUTE
100
1/4W
FR
1.5k
1/2W
1.5k
1/2W
1
1/4W
RF
100
1/4W
FR
47k
10k
100
1W
0.001
100k
STK413-420
2SC1841
OVER LOAD
DETECT
2SC1841
OVER LOAD
DETECT
2SC1841
OVER LOAD
DETECT
0.22
2W
0.1
100V
0.1
100V
0.1
100V
0.1
100V
2.2k
2SA1163G-TE85L
STK MUTE SW
2SC1623
STK MUTE SW
2SC1623
RELAY SWITCH
2SC1623
RELAY SWITCH
DTC114EKA
DTC114EKA
DTA114EKA
330
47
16V
2SC2713G-TE85L
-VH SUPP
47
100V
0.01
UDZS-TE-17-6.8B
0.01
DTC114EKA
2SC1623
RT8H015C
68k
47k
68k
10
1/2W
10
1/2W
10
1/2W
47k
10
1/2W
10
1/2W
10
1/2W
1.8k
2W
2.2k
10k
1SS355
12V
47k
33k
15k
100
100V
5.6k
12V
4.7k
1k
1k
-
+
-
+
-
+
-
+
-
+
-
+
RELAY DRIVE
PROTECT
Q850-852
(SPEAKER)
POWER AMP
PROTECTER
OVER CURRENT
Q501,502
OVER HEAT
DETECT
Q868,869,890
MUTE
CONTROL
Q858-861
FAN MOTOR DRIVE
FAN
TM502
M962
SPEAKER
EA
EXCEPT EA
EA
EA
EA
EA
EA
EA
EXCEPT EA
EXCEPT EA
EXCEPT EA
EA
EA
EA
(CHASSIS)
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299