Sony HCD-EC68P - Schematic Diagram - MAIN Section (3;3)

HCD-EC68P/EC78P
HCD-EC68P/EC78P
3333
IC B/D
(2/3)
BOARD
2
MAIN
3
BOARD
(1/3)
MAIN
18
5.1
1
3.2
5.1
5
0
0
3.2
8.64.3
4.3 4.3
4.3 4.3 4.3
100uH
L701
16V
470
C761
25V
100
C760
4.7kR761
33kR762
1k
R763
50V
1
C771
50V
1
C772
50V
1
C773
50V
1
C774
0.01
C791
10V
47
C775
25V22C776
4.7kR779
4.7k
R780
TP706
TP712
TP713
TP714
TP715
1C786
1C787
33kR781
56kR782
1
2
3
4
5
6
7
8
9
10
11
11P
CN609
PGND
VBUS(5V)
VBUS(5V)
DMP-RXD
DMP-TXD
DMP-DET
DGND
L+
L-
R+
R-
8765
4321
NJM4558V-TE2
IC770
V-
V+
100kR783
100k
R784
100k
R785
100k
R786
22k
R771
22kR772
22k
R773
22k
R774
22kR776
22kR775
22kR777
22k
R778
ISA1235AC1TP-1EF
Q761
10V100C762
DTC114EKA
Q762
R767
2W
0.47
47
R769
47
R759
RK36LF-A4D701
10k
R768
12345
IC BD9701CP-V5
IC701
VCC OUT GND INV STBY
R770 0
JW788
4
5
7
6
DMP-DET/USB-RST
DMP-TXD
DMP-RXD
DMP-L
5V-ON/TP-REC-MUTE
DMP-R
DMP-5V-DET
-
+
+
-
LINE AMP
IC770
IC701
+5V REGULATOR
VOLTAGE DETECT
Q761, 762
MAIN BOARD (3/3)
711
D
B
6910531 12
C
E
84
A
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
18P
CN901
PGND
VBUS(5V)
NC
VBUS(5V)
RXD
TXD
DET
DGND
WM DET
NC
L-
R-
L+
R+
WM AX
WM TX
VIDEO
VGND
TP902
TP903
TP904
TP905
TP906
TP907
TP908
TP909
TP910
TP911
TP912
TP913
0R906
0R905
0R904
1
2
3
4
5
6
7
8
9
10
11
11P
CN902
PGND
VBUS(5V)
VBUS(5V)
DMP-RXD
DMP-TXD
DMP-DET
DGND
L+
L-
R+
R-
0R908
0R907
DMP BOARD
DMPORT
6-8. SCHEMATIC DIAGRAM - MAIN Section (3/3) -
(Page 31)
• See page 42 for IC Block Diagrams.
(Page 32)