Schematic Diagram - Trans2 Board (Gt222/Gt444/Gt555) - Sony HCD-GT444 Service Manual

Q Q
3 7 6 3 1 5 1 5 0

7-31. SCHEMATIC DIAGRAM - TRANS2 Board (GT222/GT444/GT555) -

1 2
TRANS2 BOARD
A
CN903
6P
JL901
AC-VH 6
JL933
S
AC-VL 5
JL934
GND 4
B
JL935
POWERAMP
3
GND
BOARD JL904
(2/2) 2
AC-VL
JL932
NO801
1
AC-VH
(Page 43)
CN907
11P
JL906
1
AC4
C
JL907
2
AC4
JL927
AC3 3
JL928
4
AC3
E
JL929
5
VF
JL930
6
VF
MAIN JL916
BOARD 7
-VFL
(2/4) JL936
8
NO468 DGND
JL914
T E (Page 37)
L 1 3 9 4 2 2 9 6 5 1 3
9
D EVER10V
JL915
STBY RELAY 10
JL931
11
AC CUT DETECT
E
C926
0.1
W901
(CHASSIS)
w w w
HCD-GT111/GT222/GT444/GT555
3 4
JL921
C908
F909
T8AL 220
63V
250V
JL919
(GT222/GT555)
F905
JL920
T6.3AL
250V
F904
T6.3AL
250V
F908
T8AL
JL923
250V
F907
JL924
T2AL
250V
F906
T3.15AL
250V
JL926
R908 D908
∗ 1N4002B
JW917
Q902
2SB1238-PQR-TV2
-32V REGULATOR
-32 -38.3
-32.6
R904 R952
1k 10k
D906
C910
C909
100 MAZ8330GMLS0
10
35V
50V
C925
1
C907 0.1
∗
R908
0.68 (GT222: AEP, RU/GT444: AEP, UK, RU/GT555:RU)
1 (GT222: E2, E51, MX, AR/GT444: E2, E51, MX, AR/GT555: E2, E51, MX, AR)
x a o
y
. i
http://www.xiaoyu163.com
5 6 7
(GT222: E2, E51/GT444: E2, E51/GT555: E2, E51)
GT222: MX/
GT444: MX/
PT901
GT555: MX
MAIN POWER
VOLTAGE SELECTOR
TRANSFORMER
JW907
120V
8
JW909
9
JW912
10
11
GT222: AEP, RU AR/
GT444: AEP, UK, RU, AR/
GT555: RU, AR
12
JW908
13 7
14 6
15 5
16
4
17 3
∗
Q Q R914
18 2
3 7 6
100k
19 1
∗ NOT REPLACEABLE:
BUILT IN TRANSFORMER
R912
22k
u 1 6 3
.
51 51
HCD-GT111/GT222/GT444/GT555
2 4
8 9 9
8 9
S901 GT222: AEP, RU, MX, AR/
GT444: AEP, UK, RU, MX, AR/
GT555: RU, MX, AR
220V 230-240V
JW925
RY901
JW905
9 1
GT222: E2, E51, MX/
GT444: E2, E51, MX/
GT555: E2, E51, MX
8 2
7 3
JW906
JW903 R911
6 4 0
GT222: AEP, RU AR/
GT444: AEP, UK, RU, AR/
GT555: RU, AR
5
PT902
JW904 R910
SUB POWER
22
TRANSFORMER
GT222: MX/
GT444: MX/
GT555: MX
D911
3 1 5 1 5 0 8 9 2
MC2837
D912
MC2837
2SC3052EF-T1-LEF
RELAY DRIVE
C911
∗
R915
4.7k
∗
C911
1000 16V (GT222: AEP, RU, MX, AR/GT444: AEP, RU, UK, MX, AR/GT555: RU, MX, AR)
1000 25V (GT222: E2, E51/GT444: E2, E51/GT555: E2, E51)
m
c o
2
8 9 9
10 11 12
JW932
CN901
3P
1 LIVE
JW933 (AC IN)
3
NEUTRAL
4 9 8 2 9 9
Q903
0.1
0.7