Sony HCD-VX222 - SCHEMATIC DIAGRAM - POWER AMP SECTION

3535
HCD-VX222
6-14. SCHEMATIC DIAGRAM – POWER AMP SECTION –
Q
504
Q
501
Q551
Q503
C542
C
592
C541
C591
C
501
C503
C511
C543
R
501
R502
R
512
R
561
C
N
501
R
505
R
506
D
501
D
502
R
507
C507
C508
D
551
D
542
D543
C545
C544
C551
R551
C553
C554
C
559
R552
R
581
R582
R
514
R515
R516
R
517
R556
R557
C557
C558
R559
C
509
R511
EP502
Q
581
R
509
R
513
R
519
R
510
R
508
R558
R
560
R
555
R5
41
R591
D541
CN
502
CN503
R
518
R
503
C504
C502
C552
R
553
R554
R593
R
592
R
504
2SC1841
2SC1841
2SC1841
2SA988
2200
50V
2200
50V
0.1
10
0V
0.1
100V
10
50V
100p
0.01
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
22
50V
56k
33k
33k
2.2k
22k
10k
2.2k
15k
100k
0.068
0.068
10
1/2W
22
50V
100
1/4W
2SC1841
10
1/2W
22k
22k
0.22
2W
0.22
2W
0.22
2W
0.22
2W
1k
22k
1/2W
22k
1/2W
D
5SBA204
101
13P
13P
10k
1.2k
22
25V
0.001
0.001
1.2k
56k
0.1
1/4W
0.1
1/2W
56k
+VC
C
P
RE
BIAS
+VC
C
-VCC
CH
1 IN
CH
1 N
F
CH
1 +V
E
CH
1 -V
E
CH
2 +VE
CH
2 -VE
P
RE -VCC
SU
B
GN
D
CH2 NF
CH2 IN
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
A
C
4
AC
4
AC
3
AC
3
V
F
VF
V
P
D
G
N
D
EV
ER +5V
STBY RELAY
STBY
R
ELAY
AC1
G
N
D
A
C1
IC501
PO
W
ER
AM
P
(CHASSIS)
M
U
TE
DR
IVER
BUFFER
M
UTE
Q503,504
PR
OTECTIO
N
PRO
TECTION
STK
402-0705(1/2)
IC501
STK402-0705(2/2)
BOA
R
D
TR
AN
S
M
AIN
M
AIN
BOARD
(5/5)
BOARD
(5/5)
CN402
(Page 33)
CN403
(Page 33)
CN915
(Page 39)