Ic Block Diagram - Yamaha XP1000 Service Manual

XP1000/XP2500/XP3500
IC BLOCK DIAGRAM IC
NJM2068D-D (XA987A00)
Dual Operational Amplifier
DC: IC403,404
Output A
1 +V
Inverting
2
Input A
- +
Non-Inverting
3
+ -
Input A
-DC Voltage Supply -V
4
SUB (IO 1/4) Circuit Board (X6754D0)
SUB (IO 2/4) Circuit Board (X6754D0)
DC Circuit Board (X6753B0)
SUB (VR) Circuit Board (X6754D0)
PAL Circuit Board (X6751B0)
SUB (IO 3/4) Circuit Board (X6754D0)
SUB (IO 4/4) Circuit Board (X6754D0)
SUB (LED) Circuit Board (X6754D0)
SUB (PSW) Circuit Board (X6754D0)
Note: See parts list for details of circuit board component parts.
16
NJM2068MD-TE2 (X3505A00)
Dual Operational Amplifier
P1000S IO1/4: IC301—303
P2500S/P3500S IO1/4: IC301—307
+DC Voltage
Output A
8
Supply
Inverting
Output B
7
Input A
Inverting
Non-Inverting
6
Input B Input A
Non-Inverting
-DC Voltage Supply
5
Input B
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+DC Voltage
1 +V 8
Supply
Output B
2 7
- +
Inverting
3 6
+ -
Input B
Non-Inverting
-V
4 5
Input B
17
17
18/20
18/19
22
24/25
24/25
24/25
24/25