Yamaha TF5, Service Manual

Page: 97 / 372

97
TF5/TF3/TF1
PIN
NO.
I/O FUNCTION NAME
PIN
NO.
I/O FUNCTION NAME
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
AVDD
AGND
DM0
DP0
DM1
DP1
AVDD
AGND
DM2
DP2
RREF
AVDD
AGND
X1
X2
AVDD
DM3
DP3
AVDD
AGND
DM4
DP4
GREEN4
AMBER4
-
-
I/O
I/O
I/O
I/O
-
-
I/O
I/O
I/O
-
-
I
O
-
I/O
I/O
-
-
I/O
I/O
O
O
Analog power 3.3 V
Analog ground
USB signals for USPORT
USB signals for DSPORT1
Analog power 3.3 V
Analog ground
USB signals for DSPORT2
Reference resistor connection
Analog power 3.3 V
Analog ground
12MHz crystal clock input
12MHz crystal clock output
Analog power 3.3 V
USB signals for DSPORT3
Analog power 3.3 V
Analog ground
USB signals for DSPORT4
Green LED indicator for DSPORT4
Amber LED indicator for DSPORT4
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48 SEL48#
RESET#
TEST
OVCUR4#
PWREN4#
OVCUR3#
PWREN3#
GREEN3
AMBER3
DVDD
GREEN2/EE_DO
AMBER2/EE_DI
PSELF
DVDD
PGANG
OVCUR2#
PWREN2#
OVCUR1#
PWREN1#
SEL27#
GREEN1/EE_SK
AMBER1/EE_CS
V5
DVDD
-
I
I
I
O
I
O
O
O
-
O
O
I
-
I/O
I
O
I
O
-
O
O
-
-
Digital power 3.3 V
External reset input
Test signal
Over current indicator for DSPORT4
Power enable output for DSPORT4
Over current indicator for DSPORT3
Power enable output for DSPORT3
Green LED indicator for DSPORT3
Amber LED indicator for DSPORT3
Digital power 3.3 V
Green LED indicator for DSPORT2
Amber LED indicator for DSPORT2
SELF/BUS power setting
Digital power 3.3 V
Individual/gang mode setting
Over current indicator for DSPORT2
Power enable output for DSPORT2
Over current indicator for DSPORT1
Power enable output for DSPORT1
Digital power 3.3 V
Green LED indicator for DSPORT1
Amber LED indicator for DSPORT1
Power 5V
Digital power 3.3 V
GL852G-MNG03 (YC486A00) USB 2.0 MTT HUB CONTROLLER
USBR (MAINCOM): IC002
PIN
NO.
I/O FUNCTION NAME
PIN
NO.
I/O FUNCTION NAME
LTC3615EUF#TRPBF (YD559A00) DC-DC CONVERTER
MAIN (MAINCOM): IC603
1
2
3
4
5
6
7
8
9
10
11
12
13
ITH1
FB1
MODE
PHASE
FB2
ITH2
TRACK/SS2
SGND
PVIN2
PVIN2
SW2
SW2
RUN2
O
I
I
I
I
O
I
-
I
I
O
O
I
Error Amplifi er Compensation of Channel 1
Voltage Feedback Input Pin for Channel 1
Mode Selection.
Phase Shift Selection.
Voltage Feedback Input Pin for Channel 2
Error Amplifi er Compensation of Channel 2
Internal, External Soft-Start,External
Reference Input for Channel 2.
Signal Ground.
Channel 2 Power Supply Inputs.
Channel 2 Power Supply Inputs.
Channel 2 Switching Node.
Channel 2 Switching Node.
Enable Pin for Channel 2. 14
15
16
17
18
19
20
21
22
23
24
25
RUN1
RT/SYNC
PGOOD2
SRLIM
PGOOD1
SW1
SW1
PVIN1
PVIN1
SVIN
TRACK/SS1
PGND
I
I
O
I
O
O
O
I
I
I
I
-
Enable Pin for Channel 1.
This pin provides three modes of setting the
switching
Power Good Output Pin for Channel 2.
Slew Rate Limit.
Power Good Output Pin for Channel 1.
Channel 1 Switching Node.
Channel 1 Switching Node.
Channel 1 Power Supply Inputs.
Channel 1 Power Supply Inputs.
Signal Input Supply.
Internal, External Soft-Start,External
Reference Input for Channel 1.
Power Ground
PIN
NO.
I/O FUNCTION NAME
PIN
NO.
I/O FUNCTION NAME
TLC5941PWPR (YD685A00) LED DRIVER
PNFD8 (PNFDCOM): IC200
PNC (PNCOM):
IC007, IC008
1
2
3
4
5
6
7
8
9
10
11
12
13
14
GND
BLANK
XLAT
SCLK
SIN
MODE
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
-
I
I
I
I
I
O
O
O
O
O
O
O
O
Ground
Blank all outputs.
Data latch.
Serial data shift clock
Serial data input
Input mode-change pin.
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output 15
16
17
18
19
20
21
22
23
24
25
26
27
28
OUT8
OUT9
OUT10
OUT11
OUT12
OUT13
OUT14
OUT15
XERR
SOUT
GSCLK
TEST
IREF
VCC
O
O
O
O
O
O
O
O
O
O
I
I
I
I
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Error output.
Serial data output
Reference clock for grayscale PWM control
Test pin: Connect to VCC
Reference current terminal
Power supply voltage.