Yamaha TF5 Service Manual page 324

H G
BLOCK DIAGRAM 003 (TF5/TF3/TF1)
PS
INPUT
(AC INLET)
AC100∼240V
＋
Live
Fuse
AC
AC AC EMC Rectifier
Inlet SW
Filter (Bridge
Diode)
Neutral −
（P-GND)
FG
28CA1-2001133894-3 1 1
F E
Primary
F/B
+400V Transformer
Inrush
Current
Suppressor
MAIN
PFC Converter
(LLC)
SUB
+15V
Winding
Detect
Over Over
Temperature Current
Protection Protection
(Detect) (Detect)
Capacitive
Coupling
D C
Secondary
+12V
Rectifier
F/B
PH
+12V
Rectifier
PolySW
-12V
Rectifier
OFF
+12V
FETSW
+12V
Rectifier
DG
+12V
Rectifier
+16V
AG
±16V
Rectifier
-16V
+5V
+3.3V
DCDC
+51V
+51V
Rectifier
AG
FG
B
OUTPUT
(Connector)
Signal
/UVLO
[FAN]
FANOUT
10mA
+12Mute
1mA
[HAAD]
-12LCD
10A
+12FD
+3.3D
0.18A
+12LCD
0.08A
PolySW
+8.5V
FANOUT
REG
+12Mute
4.5A
+3.3D
+5D
OFF
FETSW
1.3A
+5LD
[MAIN]
[CPUDSP]
0.5A
UVLO
+3.3D
+5USB
4.6A
+3.3D
1.1A
+6A
GND [FDPS]
DCDC
DG→AG
+12FD
Enable
2.1A
+5.9iPad
[PNPS]
DCDC
-12LCD
0.5A
+16D
+3.3D
DCDC
+12LCD
0.87A
+15A
LDO [USBL]
+5.9iPad
0.87A
-15A
LDO
[USBR]
+5USB
0.24A
+48V
REG
BLOCK DIAGRAM 003 (TF5/TF3/TF1)
A
TF5/TF3/TF1
1
×1
[HAAD]
+48V
+48V
+15V
+15V
-15V
-15V
+6A
+5A
+5D
2
+5D
+3.3D
×2
[DA]
[DA]
+12Mute
+15A
+15A
-15A
-15A
+6A
+5A
+3.3D
×2
3
UVLO
+3.3D
+5D
+5D
×2
[PNFD]
+12FD
×2
4
+16D
+5LD
×1
×1
5
×1
8M35
6
5