Schematic Diagram - Gtk33-Smps Board - (Gtk33Ip) - Sony FST-GTK11iP Service Manual

5-18. SCHEMATIC DIAGRAM - GTK33-SMPS Board - (GTK33iP)

1 2 3
GTK33-SMPS BOARD
A
ET931
CAM901
(CHASSIS)
PATTERN
SPARK-GAP
F901
CN901
5A
3P
250V
JL901
B
AC1 LIVE 1
(AC IN)
NC 2 CAM902
PATTERN
NEUTRAL 3
SPARK-GAP
VDR901
JL903
CAM903
PATTERN
SPARK-GAP
C
CL902 CL901
C909
1000p
ET902
250V
CL906
CL905
(CHASSIS)
D
E
F
G
H
IC965
POWER CONTROL
I
J
FST-GTK11iP/GTK33iP/RDH-GTK11iP/GTK33iP
• See page 52 for IC Block Diagrams.
4 5 6
CL904
C902 C903
470p 470p
250V 250V
TH901
JL902
L901 L902
LINE LINE
FILTER FILTER
4 3 4 3
R901 C905 C907
1 2 1 2
1.5M 0.22 0.33
0.5W 250V 250V
C911
0.01
250V
IC931
C934 C935
3.3 0.022
POWER CONTROL
50V
IC931
STR-X6768N
R933
100
114
D 1
S 2
3
GND
R999
4.7
19.3
4
Vcc
0
SS/OLP 5
R1002
R1001
4.7
1.4 10
FB 6
0
OCP/BD 7
R1003
10
R934
8.2k
R930 R931 C930
0.22 0.22 470p R936
2W 2W 1.5k
R932
D931 R935
220
DA2J10100L 10
Q930
2SC4154TP-1EF
0.7 SWITCHING
0
C933
220p
C966 R966
0.1 0.82
1W
Q965
DSC7003R0L
RIPPLE FILTER
20
20.5
IC965
STR-Y6763
CL967
110
C967
D 1
150p
2kV
CL965
2
S/GND
R1000
CL969 4.7
20
C968
3
Vcc/OVP
1 DZ2J220M0L
CL966
GND 4
R1004
CL968 4.7
1.2
FB/OLP 5
CL970
0.4
BD 6
R1005
R967
4.7
47k
7
NC
D984 C969 C970 C972 R972
UDZSUSTE-1730B 4.7 4700p 220p 1k
7 8 9
MAIN POWER
TRANSFORMER
9
C912
0.01
250V
8
R914 R943 R944 C939
0.1 100k 100k 3300p
1W 3W 3W 400V
7
6
~
5
~ D940
SARS10
D901 4
D4SB60L-F
R965
C914
2.2
330
1/2W
450V
2
1
R945
C932 C937 C931 D941
22
1 47 1000p D1NL20U-TR2
100V 100V 1.5kV
Q932
DSA700300L
B+ SWITCH
19.3 19.3
R941
10k
PS2561AL1-1-V-W
18.6
R938
ISOLATOR
3.3k
16.3
4
1.4
3
R942 PS2561AL1-1-V-W
10k
ISOLATOR
D934 0
D935
DZ2J150M0L DA2J10100L
4
R973
D938
2k 3
DA2J10100L
R939
2.2k
R974 R975
D937
1.8k 1.8k
DZ2J06200L
R937 C936 C938 D939
1k 470p 4700p DA2J10100L
T903
SUB POWER
TRANSFORMER
6
R998 C975
D967
R968 100k 470p
D1NL20U-TR2
10 1W 500V
5
D969
4
DZ2J180M0L D975
EG01C LF-F7
21
R969
4.7k
2
1
D968 C971 R970 D970
22 100k D1NL20U-TR2
100V
R992
100 CL971
PS2561AL1-1-V-W
ISOLATOR
1.2
4
R971 R978
D972
15k 4.7
DZ2J220M0L
3
CL972
51 51
FST-GTK11iP/GTK33iP/RDH-GTK11iP/GTK33iP
10 11 12 13
T901
10
11
D943
FMX-22SL
12
L930
2.2uH
13
14
C943 C944 R954
D944
DZ2J180M0L 1000 1000 0
50V 50V
15
C989
22 R957 R958 R959
50V 4.7k 3.3k 22k
16
D985
DA4J104K0L
17
18
R950 R946 R951
1k 1k 22k
R977 R949
PH930 5.6k 6.8k
17.4
1
16.3
2
PH931
13.3
1
12.1
2
R947
3.3k Q933 - 935
POWER ON/OFF
CONTROL
0
3.1
16.3
Q933
RT1N441M-TP-1
0
Q934
2SC4154TP-1EF
0
12
11
C986
2700
16V
10
D981
RK49LF-T1
9
R988
0
8
R984
220
7
R985
4.7k
R986
4.7k
PH965 R980
1k
CL973
12
1 R979
C977
1k R981
0.047
10k
CL974
10.9
2
CL975
Note: When the C905, C911, C912, C914, C943, C944, C986, L901, L902, R930, R931, T901, T903 and VDR901 on the GTK33-SMPS
board are replaced, spread the bond referring to "BOND FIXATION OF ELECTRIC PARTS" on servicing notes (page 6).
14 15 16
C950
22
50V
R960
IC932
2.2k
SHUNT REGULATOR
R956
22k IC932
MM1431CURE
2.1
C947
4 NC 1
0.1 NO902
10P
14.4
JL932
3 2
1 PVDD
2 NC
3 PVDD
4 PVDD
JL933
5 PVDD_GND
JL974
6 PVDD_GND
C983
7 PVDD_GND
0.1
L969 (Page 42)
8 V2_GND
10uH
JL973
9 V2
JL977
10 MAIN/SUB_ON
CL930
CL931
ET930
(CHASSIS)
R961
1k
3.1
Q935
RT1N441M-TP-1 C946
0.1
R989
10k
C982
0.01
R987
2.2k
CL976
IC966
SHUNT REGULATOR
IC966
MM1431CURE
2.2
4 NC 1
10.9
3 2
>05S
MAIN
BOARD
(3/4)
CN811