Schematic Diagram - Power Supply Section - Sony HCD-G2BNiP Service Manual

5-26. SCHEMATIC DIAGRAM - POWER SUPPLY Section -

1 2 3
A
B
C
D
SUB-PT BOARD
AC1
CN4405
~ AC IN
3P
E
LIVE 1
NEUTRAL 3
F
CN4404
4P
JL4407
1Posi 4
T901 JL4408
M
MAIN POWER
0V 1
TRANSFORMER
AMP
BOARD
CN301
(Page 41)
G
H
NO4401
4P
JL4401
L
D-GND 1 1
JL4402
EVER_10V 2 2
JL4403
MAIN
P-ON 3 3
BOARD
JL4404
(2/3)
AC-DET 4 4
CN701
(Page 39)
I
J
HCD-G2BNiP/G2NiP
• See page 51 for IC Block Diagrams.
4 5 6
DCDC BOARD
F951
T4AL
10EDB40-TB3
250V
CN952
10EDB40-TB3
4P
C951
VL+ 1
0.1
VL+ 2
VL– 3
C952
0.1 10EDB40-TB3
VL– 4
10EDB40-TB3
ET951
(CHASSIS)
T4402
F4401
T4AL
1 2
250V RY4401
C4407
4700p
250V
4 3
D4406 C4408
R4407 R4406 DA2J10100L 0.1
22 0
0
3.3
Q4401
2SC3052EF-T1-LEF
C4406
RELAY DRIVER
1000p
R4402 R4403
0 68k
D4401
MC2838-T112-1 T4401
SUB POWER
TRANSFORMER
9
8
7
6
C4401 C4402 C4404 C4405
4.7 1000 0.01 0.01
50V 25V
5
7 8 9 10
9
D951
JL951 JL952
D952 R951
0
C953 R993 C954
3300 6.8k 0.1 R955 C967
25V 33k 0.1
D953
R992
10k C970
2200p
D954
R954
0
C987 C982 C960 C961 C964
10 470 470 330p 1000p
25V 25V
9
R4405 R4404
4.7k 4.7k R956 C968
12k 0.1
C972
2200p
R952
0
C988 C958 C962 C955 C965
10 10 2200p 0.1 1000p
35V
1
2
3
4
9
R957 C969
8.2k 0.1
C974
2200p
R953
0
C989 C959 C963 C956 C966
10 10 3300p 0.1 1000p
35V
49 49
11 12 13
IC B/D
8 7 6 5
IC951
DC/DC CONVERTER
IC951
BD9329AEFJ-E2
1 2 3 4
R964 R967
L951 33k 3.9k JL954
10uH
R973
D961
C971 0
MC2836-T112-1
2200p
JL956
D958
DZ2J100M0L
R958 R961 C976 C983 R968
22 22 1000 1000 150
10V 10V
JL955
R988
0
R981
1k
R979
1k
IC B/D
8 7 6 5
R982
IC952 1k
DC/DC CONVERTER
R978
IC952 1k
BD9329AEFJ-E2
1 2 3 4
R980
1k
R965 R969
L952 33k 6.8k
10uH
R974
C973 0
2200p
R975 D959
1k DZ2J06800L
R959 R962 C977 R970 R976
22 22 22 68 4.7k
6.3V
IC B/D
8 7 6 5
IC953
DC/DC CONVERTER
IC953
BD9329AEFJ-E2
1 2 3 4
R971 R966 R977
L953 8.2k 33k JL953 0
10uH
C975
2200p
R960 R963 R972 C978
22 22 0 22
6.3V
HCD-G2BNiP/G2NiP
14 15 16 17
4 3
L954 NO951
9P
1 2
1 +8.23V
2 M-GND
3 VBUS+5V K
4 VBUS+5V
C981
R989 1000
5 VBUSGND MAIN
0 6.3V
BOARD
6 VBUSGND
(2/3)
7 +4.52V CN702
(Page
8 D-GND (NC)
Q951 39)
4 3
9 P-MONI-DCDC
2SC4154TP-1EF
OVER VOLTAGE
L956
DETECT 3.3
3.3 1 2
R983
47k
C980
0.1 ET952
(CHASSIS)
W002
JL957
(CHASSIS)