Ic Block Diagram; Njm2068Md-Te2 (X3505A00); Ir2110 (X2382A00); Sg3525An (X2383A00) - Yamaha P5000S Service Manual

■ IC BLOCK DIAGRAM

• NJM2068MD-TE2 (X3505A00)

Dual Operational Amplifier
P5000S IN: IC301, IC302, IC303, IC304,
IC305, IC306, IC307
PAH: IC201
P7000S IN: IC301, IC302, IC303, IC304,
IC305, IC306, IC307
PAH: IC201
Output A 1 +V 8
Inverting
2 7
Input A
- +
Non-Inverting
3 6
+ -
Input A
-DC Voltage Supply 4 -V 5

IR2110 (X2382A00)

DRIVER
P5000S PS: IC402
P7000S PS: IC402
1 14
LO
2 13
COM VSS
VCC
3 12 LIN
4 11 SD
5 10
VS HIN
VB 6 9
VDD
8
HO 7

SG3525AN (X2383A00)

Regulating Pulse Width Modulator
P5000S PS: IC401
P7000S PS: IC401
V
INV. INPUTN 1 16 REF
N.I. INPUT +V
2 15
IN
3
SYNC 14 OUTPUT B
OSC. OUTPUT 4
13
V
C
C
5 12
GROUND
T
R
6 11
T OUTPUT A
DISCHARGE
7 10 SHUTDOWN
SOFT-START 8 9 COMPENSATION
+DC Voltage
Supply
Output B
Inverting
Input B
Non-Inverting
Input B
V 9
DD
R
S
10
HIN
11
SD
LIN 12
S
R
V SS 13
V 16
REF
OSC. OUTPUT 4
SYNC 3
R 6
T
DISCHARGE 7
C
5
T
9
COMPENSATION
INV. INPUTN
1
E/A
N.I. INPUT
2
HV
LEVEL
SHIFT
Q
V DD /V CC
LEVEL
SHIFT
PULSE PULSE
GEN GEN
V DD /V CC
LEVEL
SHIFT
Q
REFERENCE
15
+V
REGULATOR
IN
FLIP/
FLOP
13 V
C
A 11 OUTPUT A
B 14 OUTPUT B
GROUND
12
PWM 50 A
8 SOFT-START
5K
5K
10 SHUTDOWN
P5000S/P7000S
6 V
B
UV
DETECT
R Q
R
7
PULSE HO
FILTER S
5 V
S
3 V
CC
UV
DETECT
1 LO
DELAY
2
COM
21