Schematic Diagram; Trans Board (Gt22/Gt55) - Sony HCD-GT22 Service Manual

7-31. SCHEMATIC DIAGRAM – TRANS Board (GT22/GT55) –
1 2
TRANS BOARD
A
CN903
5P
JL901
AC-VH 5
JL902
P1
AC-VL 4
B JL903
GND 3
AMP JL904
BOARD
AC-VL 2
JL905
CN442
AC-VH 1
(Page 45)
CN907
11P
JL906
AC-3F 1
C
JL907
AC-3 2
AC-4F 3
AC-4 4
N1
VF 5
VF 6
MAIN
D-GND 7
BOARD
(4/4)
EVER_10 8
JL914
CN001
D STBY-RELAY 9
(Page 41)
JL915
AC-P 10
JL916
-VFL 11
E
C910
F
100
50V
HCD-GT22/GT44/GT55
3 4 5
F909
T8AL 250V
FH910
FH909
F905
T6.3AL 250V
FH912
FH911
F904
T6.3AL 250V
FH907
FH908
F908
T8AL 250V
FH915 FH916
F906
T3.15AL 250V
FH917 FH918
F907
T3.15AL 250V
FH914 FH913
R908
1
JW917
Q902
2SB1238-PQR-TV2
-27V REGULATOR
-26.1
-36.7
-26.7 C908
220
63V
R904 R903
1k 10k
C907
0.1
C909
10
50V
W901
(CHASSIS)
6 7
PT901
(GT22:AUS)
MAIN POWER
JW907
TRANSFORMER
JL919
8
JL920
9
JL921
10
11
JL923
12
JL924
13 7
( )
GT22:AR/
GT55:AR
14 6
JW908
JL926
15 5
JW912
16 4
D908 JW909
10EDB40-TB3
( GT22:E2,E3,E13,E51,MX/ )
17 3
GT55:E2,E51,MX
∗
18 2
19 1
∗NOT REPRACEABLE:
BILT IN TRANSFORMER
R914
12k
C914 R912
3.3 22k
50V
55 55
8 9 10
230-240V T 220V t 120V
S901
( GT22:E2,E3,E13,E51/ )
VOLTAGE
GT55:E2,E51
SELECTOR
JW925
GT22:MX
( )
R910 GT55:MX
R911
22 0
( )
GT22:AR,AUS/
GT55:AR
( GT22:E2,E3,E13,E51,MX/ )
( GT22:E2,E3,E13,E51/ )
GT55:E2,E51,MX
GT55:E2,E51
JW905
9 1
D903
10EDB40-TB3
( GT22:AR,AUS/
GT55:AR
8 2
7 3
6 4
R913
47k
5
PT902
SUB POWER
D905
TRANSFORMER
10EDB40-TB3
R915
4.7k
C911
1000
25V
HCD-GT22/GT44/GT55
11 12 13
( GT22:MX,AR,AUS/ )
GT55:MX,AR
JW902
JW901
( )
GT22:E2,E3,E13,E51/
GT55:E2,E51
( GT22:MX,AR,AUS/ )
JW910 GT55:MX,AR
JW904
JW903
CN901
3P
1 LIVE
3 NEUTRAL
JW906
(AC IN)
)
Q903
2SC3052EF-T1-LEF
POWER ON/OFF
0.1
RELAY DRIVE
0.8