31
31
HCD-RG60
6-12. SCHEMATIC DIAGRAM – POWER AMP SECTION –
Q504
Q501
Q551
Q503
C541
C591
C501
C503
C504
C511
C512
C543
R501
R502
R512
R561
CN501
R505
R506
D501
D502
R507
C507
C508
D551
D542
D543
C545
C544
JW501
C551
R551
C553
C554
R552
R581
R582
R514
R515
R516
R517
R556
R557
C557
C558
R559
R511
JW513
EP501
EP502
Q581
R509
R513
R519
R555
R541
R591
D541
CN502
CN503
R518
R504
R554
Q582
R524
R525
R520
R521
R522
Q583
TH501
CN506
CN504
R558
R560
R510
R508
C559
C509
R553
C552
C502
R503
C513
Q584
C592
C542
R523
2SC1841
2SC1841
2SC1841
2SA988
0.1
100V
0.1
100V
10
50V
100p
22
50V
0.01
0.001
0.1
1k
56k
1
1/4W
100
1/4W
1k
15k
1SS133T
1SS133T
100k
0.068
0.068
1SS133T
11ES2
11ES2
3300
35V
1000
25V
10
50V
1k
100p
22
25V
56k
33k
33k
2.2k
22k
10k
2.2k
15k
100k
0.068
0.068
10
1/2W
100
1/4W
2SC1841
10
1/2W
22k
22k
1k
22k
1/2W
22k
1/2W
D5SBA204101
13P
13P
10k
33k
33k
2SC2785
560k
47k
100k
100k
100k
BA1F4M
2P
0.22
5W
0.22
5W
0.22
5W
0.22
5W
22
100V
22
100V
1k
470p
470p
1k
0.1
2SC2785
2200
63V
2200
63V
560
PROTECTOR
L OUT
R OUT
A GND
+12V GND
REG+12V
FAN ON
EVER +5V
D GND
STK MUT
VF
VF
-B
VP
L OUT
R OUT
SP GND
SP GND
PW GND
AC4
AC4
AC3
AC3
AC4
AC4
AC3
AC3
VF
VF
VP
D GND
EVER +5V
STBY RELAY
STBY RELAY
AC1
GND
AC1
IC501
POWER AMP
(CHASSIS)
(CHASSIS)
MUTE
DRIVER
BUFFER
MUTE
Q503,504
PROTECTION
PROTECTION
IC501
FAN ON SWITCH
Q582,583
OVER HEAT
DETECTOR
STK402-100S(1/2)
STK402-100S(2/2)
BOARD
TRANS
(Page 35)
MAIN
BOARD(5/5)
(Page 29)
MAIN
BOARD(5/5)
(Page 29)