Yamaha CL3, Service Manual

Page: 92 / 401

CL3/CL1
92
PIN
NO.
I/O FUNCTION NAME
PIN
NO.
I/O FUNCTION NAME
LTC3615EUF#TRPBF
(YD559A00)
DC-DC CONVERTER
CPU: IC105
1
2
3
4
5
6
7
8
9
10
11
12
13
ITH1
V
FB1
MODE
PHASE
V
FB2
ITH2
TRACK/SS2
SGND
PV
IN2
PV
IN2
SW2
SW2
RUN2
I
I
I
I
I
Error Amplifier Compensation.
Voltage Feedback Input Pin for Channel 1.
Mode Selection.
Phase Shift Selection.
Voltage Feedback Input Pin for Channel 2.
Error Amplifier Compensation of Channel 2.
Internal, External Soft-Start, External.
Reference Input for Channel 2.
Signal Ground.
Channel 2 Power Supply Input.
Channel 2 Power Supply Input.
Channel 2 Switching Nod.
Channel 2 Switching Nod.
Enable Pin for Channel 2. 14
15
16
17
18
19
20
21
22
23
24
25
RUN1
R
T
/SYNC
PGOOD2
SRLIM
PGOOD1
SW1
SW1
PV
IN1
PV
IN1
SV
IN
TRACK/SS1
PGND
O
O
I
I
I
I
Enable Pin for Channel 1.
Oscillator Frequency.
Power Good Output 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 Input.
Channel 1 Power Supply Input.
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
BD8113EFV-E2
(YD627A00)
LED DRIVER
LCDC: IC106
1
2
3
4
5
6
7
8
9
10
11
12
COMP
SS
VCC
EN
RT
SYNC
GND
PWM
FAIL1
FAIL2
LEDEN
LED1
O
I
-
I
I
I
I
O
O
Error amplifier output
Soft start time-setting capacitance input
Input power supply
Enable input
Oscillation frequency-setting resistance input
External synchronization signal input
Small-signal GND
PWM light modulation input
Failure signal output
LED open/short detection signal output
LED output enable pin
LED output 1 13
14
15
16
17
18
19
20
21
22
23
24 LED2
OVP
VDAC
ISET
PGND
OUTL
DGND
SW
OUTH
CS
BOOT
VREG
I
I
I/O
O
O
O
I
-
O
LED output 2
Over-voltage detection input
DC variable light modulation input
LED output current-setting resistance input
LED output GND
Low-side external MOSFET Gate Drive out put
Low-side internal MOSFET Source out put
High-side external MOSFET Source pin
High-side external MOSFET Gate Drive out pin
DC/DC Current Sense Pin
High-side MOSFET Power Supply pin
Internal reference voltage output
PIN
NO.
I/O FUNCTION NAME
PIN
NO.
I/O FUNCTION NAME
TLC5941PWPR
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