Yamaha DME4io-ES Service Manual page 31

LM3478MM (XZ914A00)
DC: IC901
FET CONTROLLER
FAD/SD
ISEN VIN
1 8
COMP FAD/SD
2 7
COMP
FB DR
3 6
AGND PGND
4 5
FB
ISEN
AGND
SN74AHC1G04DCKR (X4137A00)
CPU: IC008
ENT2: IC110
TC7SH04FU (TE85L, JF) (XS775A00)
ENT2: IC110
Inverter Gate
NC 1 5
IN A
2
3 4
GND
NJM2734V (TE1) (X7389A00)
GPI: IC504, IC505
Quad Operational Amplifier
OUT A
1 14
2
- + 13
-IN A
+ -
+IN A
3 12
+V
DD 4 +V
-V 11
+IN B
5
10
-IN B 6 + - 9
OUT B 7
8
Shutdown
Fixed Frequency
Oscillator
Detect
Slope
Compensation
Soft-start
Thermal
Shutdown
1.26V
Ramp
Reference
–
Adjust
+
+
V-l
EA Converter
–
–
Overvoltage
Comparator
+
350mV
–
Short-circuit
One
Comparator Shot
+
Level
Shifter
TC7WU04FU (TE12L, F) (XQ805A00)
ES: IC001
Triple Inverter
1A
3Y
2A
GND
TC7WH14FU (TE12L, F) (XY806A00)
Vcc
CPU: IC032
DSP: IC001
OUT Y Triple lnverter
1A
3Y
2A
GND
NJM2904V (TE1) (XR532A00)
CPU: IC010
Dual Operational Amplifier
OUT D
-IN D
+IN D
-V
SS Output A
Inverting
+IN C
Input A
Non-Inverting
-IN C
Input A
Ground
OUT C
Detect
Under-
voltage VIN
Lockout
Set/Blankout
7.2V
Bias
Voltages
l-V
Converter
–
Switch
Logic
+
PWM
Comparator
R S
Q
Switch
DR
Driver
PGND
Vcc
1 8
1Y
2 7
3A
3 6
2Y
4 5
1 8 Vcc
1Y
2 7
3 6
3A
4 5
2Y
+DC Voltage
1 +V 8
Supply
Output B
2 7
- +
Inverting
3 6
+ -
Input B
Non-Inverting
4 5
Input B
DME4io-ES/DME8i-ES/DME8o-ES
TC7SH32FU (TE85L, JF) (XW633A00)
ENT2: IC111
2-Input OR Gate
IN B
1 5
IN A
2
3 4
GND
SN74AHC1G32DCKR (X4642A00)
ENT2: IC111
2-Input OR Gate
IN A
1 5
IN B
2
3 4
GND
NJM2068M-D (TE2) (X3505A00)
AD: IC102, IC202, IC302, IC402
μPC4570G2-E1-A (X7351A00)
AD: IC103, IC203, IC303, IC403
DA: IC101, IC201, IC301, IC401
Dual Operational Amplifier
+DC Voltage
Output A
1 +V 8
Supply
Inverting
Output B
2 7
Input A
- +
Non-Inverting Inverting
3 6
+ -
Input A Input B
Non-Inverting
-DC Voltage Supply
4 -V 5
Input B
NJM4556AL (XP844A00)
DA: IC102, IC202, IC302, IC402
Dual Operational Amplifier
A B
- -
1 2 3 4 5 6 7 8
OUT -IN +IN -V +IN -IN OUT +V
A A A B B B
Vcc
OUT Y
Vcc
OUT Y
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