HCD-GN880
43
43
HCD-GN880
7-17. SCHEMATIC DIAGRAM – PA BOARD –
C662
R604
R605
R607
R609
R611
R624
R630
R633
R635
R654
R655
R662
R663
R664
C602
C608
C648
C652
C655
C663
C636
C634
C635
D609
D624
D646
D654
D655
Q606
R636
TH629
C618
CN604
R632
D664
Q628
Q630
TH630
RY646
CN601
Q648
Q610
Q604
R641
Q682
R683
R692
R606
R693
R608
R694
R610
R697
R634
R629
C605
R640
C637
R637
C651
C601
R673
R649
C649
R682
R639
R638
Q647
Q644
R667
R666
R647
R648
RY665
D665
C683
C693
C684
C694
JW681
JW691
TM601
TM602
R625
R621
Q668
R669
R670
R619
Q618
R613
R617
R622
R672
R603
R653
C619
C609
C616
C617
C667
C666
R668
R618
R695
R696
D656
C656
C676
R656
R676
C657
C677
D658
C658
R658
R678
C659 C679
R699
C698
R657
R677
R660
D699
EP660
JW753
JW743
R628
FH698
FH697
FH695
FH696
FH693
FH694
FH691
FH692
C610
R616
R615
R614
R646
R665
C654
C604
D660
D661
R661
C678
C660
R674
C600
R600
R650
C650
R601
R651
D620
D670
R671
R620
R612
Q666
R644
R645
R623
CN600
IC600
EP690
Q664
Q629
Q641
Q640
Q634
R642
R643
F696
F697
F698
F699
R602
R652
CN602
D611
D612
R631
10
50V
10k
10k
2.2k
68k
33k
22k
100k
47k
10k
47k
47k
8.2k
8.2k
1k
100
10V
22 50V
100
10V
100
10V
10
50V
100 50V
4.7
100V
100
25V
100
25V
1SS355
1SS355
1SS355
1SS355
1SS355
2SA1207
680
2W
10
100V
6P
560k
UDZ-TE-17-33B
2SC2412K
T-146-R
2SC2412K
T-146-R
RELAY
12V
11P
B-B
2SC2412K
T-146-R
2SC3906K
T146E
2SC2412K
T-146-R
1k
2SC2412K
T-146-R
4.7k
47k
47k
68k
68k
68k
68k
2.2k
2.2k
1.2k
0.01
1k
4.7
100V
680
2W
0.0022
50V
B
0.0022
50V
B
56k
22k
10
50V
1k
100k
100k
2SC2412K
T-146-R
2SC2412K
T-146-R
10k
4.7k
1k
22k
RELAY
12V
1SS355
0.01
25V
B
0.01
25V
B
0.01
0.01
2.7k
100k
2SC3906K
T146E
1k
33k
1k
2SC3906K
T146E
3.3k
1W
100k
10
1/2W
10
1/2W
47k
47k
10
100V
22
100V
0.068
50V
MF
0.068
50V
MF
0.068
50V
MF
0.068
50V
MF
0.1
5W
0.1
5W
100k
100k
RBV1306
3300
100V
3300
100V
220k
220k
0.1
100V
0.1
100V
D25XB60F01
3300
63V
100k
100k
0.1
50V
0.1
50V
0.68
1/4W
100
63V
220k
220k
10k
10EDB40
MT
47k
22
100V
1
1/4W
100
1/4W
3.3k
1W
100
1W
100
1W
220p
220p
1SS355
1SS355
10k
3300
63V
100000p
22k
4.7
50V
1k
1k
4.7
50V
47k
47k
1SS355
1SS355
100k
33k
100
1/4W
2SC2412K
T-146-R
2.2k
10k
68k
13P
B-B
STK412-150
GND PLATE
2SB1565
-33V
REG.
2SC2412K
T-146-R
2SC3661
HEADPHONE
MUTING
2SC3661
HEADPHONE
MUTING
FN1F4M
MUTING CONTROL
SWITCH
56
56
T8.0AL
250V
T8.0AL
250V
6.3A
250V
6.3A
250V
5P
UDZSTE-1718B
UDZSTE-1718B
100k
*
*
(CHASSIS)
FRONT
SPRAKER
SPRAKER
SURROUND
L+
L-
R+
R-
R+
R-
L+
L-
Q644,647
RELAY DRIVE
SURROUND
SPEAKER PROTECT
OVER LOAD
DETECT SWITCH
DETECT SWITCH
Q628,630
TEMPERATURE
FAN MOTOR
ON SWITCH
OVER LOAD
Q6118,668
DETECT
SWITCH
MUTING CONTROL
Q604,606,610
STANDBY
SWITCH
POWER AMP
RELAY DRIVE
FRONT SPEAKER
POWER
TRANSFORMER
*
R602,652
560
390
E2,E51,MX
E3,AUS
36.3
-70