Sony HCD-EH25 - PRINTED WIRING BOARD - PT-VBUS Board; SCHEMATIC DIAGRAM - PT-VBUS Board

HCD-EH25/EH26
HCD-EH25/EH26
2626
• : Uses unleaded solder.
• See page 15 for Circuit Boards Location.
7-14. PRINTED WIRING BOARD - PT-VBUS Board -
F001
CNA901
D902
CN002
T003
T001
T002
C903
L901
C906
5
1
2
4
D903
IC901
D901
C910
LF901
T004
R913
C913
C902
C911
R919
C909
R918
R921
R920
C901
PT005
1-877-095-
12
(12)
PT-VBUS BOARD
NOT REPLACEABLE:
BUILT IN TRANSFORMER
∗
∗
POWER TRANSFORMER
1
4
B
MAIN
BOARD
CNA102
E
USB
BOARD
CN103
1
2
(AC IN)
A
B
C
D
E
F
G
123456
• See page 27 for IC Block Diagrams.
7-15. SCHEMATIC DIAGRAM - PT-VBUS Board -
R913
D903
IC901
C902
C903
C906
C909
C910R918
CNA901
C911 R919
R920
R921
C913
CN002
L901
100μH
D901
D902
F001
LF901
T002
PT005
T001
C901
2.2k
RK14
PQ1CG2032FZ
0.1
2200
35V
220
35V
0.1
2200
16V
2.2k
2P
0.1 4.7k
10k
2.2k
0.1
4P
1N4002-B5
1N400-B5
T160mAL
250V
0.1
VBUS_5V
VBUS_GND
VMAC
VMAC
GND
USB_EN
(CHASSIS)
POWER
TRANSFORMER
GND
VOUT
VIN
OADJ
ON/OFF
REGULATOR
5
7
(AC IN)
BUILT IN TRANSFORMER
NOT REPLACEABLE:
∗
∗
+5V
(Page 19)
(Page 22)
(Page 18)
(Page 20)
jomi