SA-WSF200/WSF500/SS-CTF500/F500/TSF200/TSF500
SA-WSF200/WSF500/SS-CTF500/F500/TSF200/TSF500
14
14
4-3.
BLOCK DIAGRAM -
POWER SUPPL
Y
Section (SA-WSF200/WSF500) -
T901
MAIN POWER
TRANSFORMER
+31.5V
D905
D906, 907
D914
T903
SUB POWER
TRANSFORMER
7V
IN
D
4
VCC
Q922
RIPPLE
FIL
TER
PC904
ST
ANDBY
ISOLA
T
O
R
PC902
ISOLA
T
O
R
PC903
ISOLA
T
O
R
PC901
ISOLA
T
O
R
CONTROL
Q930 – 932
POWER ON/OFF
CONTROL
IC922
SHUNT
REGULA
T
O
R
IC921
POWER CONTROL
IC931
SHUNT
REGULA
T
O
R
D902
D923
Q921
PS954
(SA-WSF500)
E+4V
+6V
DZ904
2F
B
1
ZC
9
3
4
VCC
D
IC901
POWER CONTROL
F901
LF901, 902
LINE FIL
TER
Q943,947
POWER ON/OFF
CONTROL
Q949,950
VOL
TAGE
CONTROL
EN
5
FB/CLP
DZ915
D924
PS956
D941
F945
Q945
B+ SWITCH
M+14V
M+9V
A12V
+12V
IC941
+12V
REGULA
T
O
R
1
OCP/SYNC
(AC IN)
Q901
B+ SWITCH
D908
D909
B
TH901
D603
D602
E+3.3V
E+3.7V
+3.3V
S-AIR+3.3V
DSP+1.2V
E+1.8V
IC61
1 (3/3)
SYSTEM CONTROLLER
IC615
EEPROM
SDA
36
SCL
35
51
39
40
28
45
6
5
EEPROM_SDA
P.CONT_PVDD
DRIVE_RST(EN)
EEPROM_SCL
IC801
+1.2V
REGULA
T
O
R
IC221
+1.8V
REGULA
T
O
R
IC802
+2.5V
REGULA
T
O
R
IC1002
+3.3V
REGULA
T
O
R
IC1001
+3.3V
REGULA
T
O
R
P.CONT1
P.CONT3
P.CONT_DSP
D947
RECT
D91
1
RECT
D916
RECT
D912
RECT
D913
RECT
D901
RECT
(Page 13)