Schematic Diagram - Sony XA-300 Service Manual

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