Sony XA 300 Service-Handbuch - Seite 5
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3-3.
SCHEMATIC DIAGRAM •
See page 3 for Waveforms.
SIRCS
RST
+B
NC
CN101
CLK
8P
DATA
INPUT
CONTROL
BUS_ON
ZD401
UDZ-TE-17-6.2B
UDZ-TE-17-6.2B
GND
Q302
2SD1664-T100-QR
+3V
2SB1132-T101-QR
REGULATOR
B+ SWITCH
R303
R302
470
470
C301
C303
47
C302
220
16V
0.1
6.3V
ZD301
UDZ-TE-17-3.9B
CN103
R502
4P
1.5k
GND
USB
D+
D-
VBUS
ZD601
UDZ-TE-17-3.9B
CN104
2P
L
INPUT
AUDIO
R
ZD602
UDZ-TE-17-3.9B
R601
L102
1k
ZD603
R602
UDZ-TE-17-3.9B
4.7k
CN105
L
2P
AUX IN 2
R
ZD604
R606
UDZ-TE-17-3.9B
4.7k
R607
1k
ZD701
R701
UDZ-TE-17-3.9B
1k
R702
4.7k
CN106
L
2P
AUX IN 1
R
R706
4.7k
ZD702
R707
UDZ-TE-17-3.9B
1k
•
See page 6 for IC Block Diagram.
R401
10
R402
10
ZD402
ZD403
ZD404
ZD405
UDZ-TE-17-6.2B
UDZ-TE-17-6.2B
UDZ-TE-17-6.2B
Q101
2SD1664-T100-QR
Q301
U-COM 5V
D104
REGULATOR
MA111-TX
Q102
2SD1664-T100-QR
R201
1k
+5V
REGULATOR
R301
4.7k
Q103
DTA124EK
-T146
R102
R101
4.7k
10k
Q104
DTC114EK-T146
C104
C106
Q203
100
C105
47
DTC114EK
16V
0.1
16V
-T146
Q303
Q103,104
DTC114EK-T146
POWER ON
USB ON
SWITCH
SWITCH
C501
X102
C502
18p
12MHz
18p
USB D/A
R506
12k
CONVERTER
IC3
PCM2702
C517
1800p
R514
1k
C504
C503
10
0.1
16V
R503
22
R504
22
R505
C509
22
0.1
R510
12k
C518
1800p
R612
C511
10k
0.1
R511
3.9k
R512
C611
220
6.3V
R603
6.8k
R604
100
R614
IC5
10k
R613
NJM2100E(TE2)
BUFFER
10k
C607
C601
47 16V
470p
VCC
C609
1
R605
C604
GND
4.7k
470p
C602
470p
R609
6.8k
C603
C610
470p
C608
1
47
R608
16V
4.7k
C722
220
6.3V
R720
10k
R722
10k
C703
R703
R704
10
6.8k
100
16V
BUFFER
IC6
C704
C717
NJM2100E(TE2)
1
47
C701
16V
470p
VCC
C719
1
R705
GND
4.7k
R708
4.7k
C702
C720
C705
470p
1
470p
C718
47 16V
R407
R403
10
R404
10
R405
10
MA111-TX
Q402
DTA144EK
BUS ON SWITCH
R203
R204
47k
47k
R202
1k
BUS INTERFACE
(FOR SONY BUS)
C115
0.22
IC2
BA8272F-E2
C112
0.1
Q201-203
BACK UP CHECK
R508
IC8
R143
12k
XC61AN4302MR
47k
R507
G
RST
3.9k
V
C512
330p
C516
10
C108
16V
C109
C110
47
0.1
0.1
16V
C107
0.047F
5.5V
VCC
BUFFER
IC4
RESET
NJM2100E
SIGNAL
(TE2)
GENERATOR
GND
R509
C513
100
10
16V
C515
C514
R513
10
330p
100
16V
12k
R611
10k
DTC114EK
C605
10
RY101
16V
CD-C
AUX2
R610
C606
100
10
16V
D101
MA111-TX
R719
10k
AUX1
C708
10
AUX2
16V
RY102
R721
R710
10k
100
C707
1
R711
4.7k
RV101
R712
(1/2)
4.7k
RV101
(2/2)
C706
R709
VOL
470p
6.8k
C721
47
C709
C710
16V
220p
220p
5
5
R406
10
10
L101
R408
10
R409
10
R410
10
C101
ZD406
ZD407
ZD408
ZD409
1000
UDZ-TE-17-6.2B
UDZ-TE-17-6.2B
UDZ-TE-17-6.2B
UDZ-TE-17-6.2B
16V
ZD410
D103
UDZ-TE-17-6.2B
C114
C111
C113
0.1
0.1
0.1
MODE SW
NIL
USB ON
NCO
POWER ON
NCO
BUS CLK
BUS SI
BUS SO
NCO
NCO
LINK OFF
NCO
SYSTEM CONTROLLER
IC1
ATT
CXP83412-053Q
NCO
AUDIO SEL1
NCO
AUDIO SEL2
NCO
AUDIO SEL3
NCO
NCO
NCO
NCO
R103
1k
X101
10MHz
Q801,802
RELAY DRIVE
Q801
DTA144EK
-T146
Q802
-T146
Q901
DTC114EK-T146
Q902
DTA114EK-T146
Q803
DTA144EK-T146
Q804
Q901-904
DTC114EK-T146
MUTING
Q803,804
DRIVE
R901
RELAY DRIVE
100
Q903
DTC314TK
D102
RY103
-T-146
MA111-TX
AUX1/USB
R902
100
AUX2/CD-C
AUX1/USB
AUX2/CD-C
R713
R904
R903
100
10k
R714
10k
IC7
470
LA4536M-TE-R
C715
220
6.3V
C713
0.1
R715
2.2
C716
220
C714
R716
6.3V
0.1
2.2
C711
C712
220
47
6.3V
16V
HEADPHONE AMP
ZD703
UDZ-TE-17-3.9B
XA-300
SIRCS
RST
+B
NC
CN102
CLK
8P
DATA
OUTPUT
BUS_ON
CONTROL
GND
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
NCO
ZD901
UDZ-TE-17-3.9B
CN108
2P
L
Q904
OUTPUT
DTC314TK
-T-146
AUDIO
R
ZD902
UDZ-TE-17-3.9B
CN107
HEADPHONE
R717
15
R718
15