Schematic Diagram - Main Board (4/4) - Sony HCD-AZ2D Service Manual

HCD-AZ2D/AZ5D
Q Q
3 7 6 3 1 5 1 5 0
7-18. SCHEMATIC DIAGRAM – MAIN BOARD (4/4) –
(4/4)
CN203
13P
OCSW1 19
SYSRST
34
3.3V_MNT C260 2200p
(AZ5D:EA,AUS)
XIFCS
26
IFBSY
28
SIO
31
SOO 32
MREQ 25
(Page 35) SCO
33
D-GND
MIC
VOICE(N.C)
KRMOD
27
(Page 54)
NO955
3P
V+5V
V-GND
VMUTE 23
SW+5V
D-GND
SW+3.3V
M+9V
M-GND
NO953
(Page 36) 5P
Q464
S 2SK1828
SWITCH
(Page 41)
A65
1
2
3
4
T E
L 1 3 9 4 2 2 9 6 5 1 3
9
5
6
7
(Page 41)
10
12
D951
1SS355
45
17
18
20
21
8
(Page 42)
CN103
8P
HP-L
HP-GND
HP-R
HP-SW 63
MIC SW 65
MIC+9V
(Page 52)
MIC GND
MIC SIG
(AZ5D)
CN955
2P
FAN+
M902
FAN-
(FAN)
w w w
Q983
2SD2525
C981
FAN MOTOR SWITCH
0.01
FAN+
FAN-
M901
(FAN)
FAN+
D982
CN954
UDZS-6.2B
3P
D983
C984
UDZS-6.8B
0.01
HCD-AZ2D/AZ5D
+9V REGULATOR
IC954
PQ09RD21
C958 C957
1000 1
10V 50V
JW951
+3.3V REGULATOR
IC955
PQ3RD13
C959
1
C990 50V
1000
6.3V
IC956
PQ05RD11
+5V REGULATOR
Q951,952
REGULATOR CONTROL
SWITCH
R951
10k C991
C992 1
1000 50V
Q951 6.3V
RT1N141C
Q952
RT1N141C
C79
10
50V
R75
10k
C70
22p
R61
47 R76
68k R78
1k
C77 C75
R71
470 10
47
10V 50V
R50
47k
IC3
Q71
NJM3414AV
2SC5938
R77
MUTING 100k
R80
1k
HEADPHONE AMP
C85
R60
10
47k R88
50V
1k
R86
R87 C87 68k
R90 100k R81 470 Q82
1k 47 10V 2SD1616
RIPPLE FILTER
Q81 C90
2SC5938 22p
R91 R98
MUTING
47 R85 1k
10k
C89 C94
C93
10 10
1000
50V 50V
10V
Q981,982
FAN MOTOR CONTROL
x a o
y
R985
R983
10k 10k
R984
220k
. i
R981 D981
4.7k 1SS355
Q982
2SC3052 C982
C983 D984
Q981 R982 4.7
22 1SS355
2SC3052 47k 50V
50V
http://www.xiaoyu163.com
(Page 43)
(Page 42)
+4V REGULATOR
IC953
TA7804LS
O G I
C956 C955
100 1
10V 50V
Q Q
3 7 6
C31
10
50V
FR-OUT
C72
R84 10
2.2k 50V C32
10
50V
FL-OUT
R82
100k
R83
1k
Q73
2SC5938 C33
10
MUTING
50V
SL-OUT
Q83
2SC5938 R92 C82
R93 100k 10
MUTING
1k 50V
C34
R94 10
2.2k 50V
SR-OUT
C35
10
50V
C-OUT
u 1 6 3
Q984 C36
RT1N141C 10
50V
FAN MOTOR DRIVE
SW-OUT
50
44 44
http://www.xiaoyu163.com
2 4
8 9 9
+9V REGULATOR
IC951
TA7809LS
O I
G
C952 C951
100 1
10V 50V
D953 D954
10EDB40 10EDB40
(AZ2D)
+9V REGULATOR
(AZ5D)
IC952
TA7809LS
O I
G
C954 C953
470 1
10V 50V
D956
C980
4700
16V
JW903
49
3 1 5 1 5 0 8 9 2
Q31-36
MUTING
R31
2.2k
R32 Q31 R33
100k 2SC5938 1k
R34
2.2k
51
52
R35 Q32 R36
100k 2SC5938 1k 53
54
55
56
R37 57
2.2k
58
2
Q33 R39
R38 2SC5938 1k 1
100k
R40
2.2k
59
R41 Q34 R42
60
100k 2SC5938 1k
(AZ5D)
m
R43
2.2k
R44 Q35 R45
100k 2SC5938 1k
c o
R46
2.2k
.
R47 Q36 R48
100k 2SC5938 1k
2
8 9 9
C950
4700
16V
CN951
8P
UNREG+12V
UNREG+12V
FB950
SW-GND
UNREG+7.5V
SWITCHING
UNREG+7.5V
REGULATOR
SW-GND
(1/2)
EVER+4V
FB980
ON/OFF
(CHASSIS)
EP901
4 9 8 2 9 9
CN952
3P
D-GND
A-GND
A+9V
(Page 47)
CN101
21P(AZ5D)
19P(AZ2D)
FR-OUT
A-GND
FL-OUT
A-GND
D-GND
D-GND
P-DOWN(AD POWER)
INIT
NSPMUTE
/OTW
SD
/RST(ENABLE)
OVF
SCLATCH(CS1) (Page 47)
SCSHIFT
SCDT
D-GND
DBFB FEEDBACK
FAN CTRL
SCLATCH(CS2)
SCLATCH(CS3)
(AZ5D)
CN102
7P
SL-OUT (Page 47)
A-GND
SR-OUT
A-GND
C-OUT
A-GND
SW-OUT