Ic Block Diagram （Icブロック図 - Yamaha XP-7000 Service Manual

I
IC BLOCK DIAGRAM （IC ブロック図）
• NJM2068MD-TE2 (X3505A00)
Dual Operational Amplifier
XP7000 SUB: IC301, IC302, IC303, IC304, IC305
PAH: IC201
XP5000 SUB: IC301, IC302, IC303, IC304, IC305
PAH: IC201
Output A 1
Inverting
2
Input A
Non-Inverting
3
Input A
-DC Voltage Supply 4
• IR2110 (X2382A00)
Driver
XP7000 PS: IC402
XP5000 PS: IC402
1
LO
COM 2
VCC 3
4
VS 5
VB 6
HO
7
• SG3525AN (X2383A00)
Regulating Pulse Width Modulator
XP7000 PS: IC401
XP5000 PS: IC401
INV. INPUTN
N.I. INPUT
OSC. OUTPUT
DISCHARGE
SOFT-START
+DC Voltage
+V 8
Supply
7 Output B
- +
Inverting
6
+ - Input B
Non-Inverting
-V 5
Input B
V 9
14 DD
13 VSS
HIN 10
12
LIN
11 SD
SD 11
10 HIN
LIN
12
9 VDD
8
V 13
SS
1 16 V REF
+V
2 15
IN
SYNC 3 14 OUTPUT B
4
13
V
C
C
5 12
GROUND
T
R
6 11
T OUTPUT A
7 10 SHUTDOWN
8 9 COMPENSATION
LEVEL
SHIFT
Q
R
S
V /V
DD CC
LEVEL
SHIFT
PULSE PULSE
GEN GEN
V /V
DD CC
LEVEL
SHIFT
S
R Q
REFERENCE
V 16
REF
REGULATOR
FLIP/
OSC. OUTPUT 4
FLOP
SYNC
3
A
R 6
T
DISCHARGE 7
C
5
T
B
9 PWM 50 A
COMPENSATION
INV. INPUTN
1 5K
E/A
N.I. INPUT
2
HV
UV
DETECT
R Q
R
PULSE
FILTER
S
UV
DETECT
DELAY
15
+V
IN
13 V
C
11 OUTPUT A
14 OUTPUT B
GROUND
12
8 SOFT-START
5K
10 SHUTDOWN
XP7000/XP5000
6 V B
7
HO
5
V
S
3 V CC
1 LO
2
COM
23