Pioneer PD-R555RW, Service Manual

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55
PDR-555RW
7. GENERAL INFORMATION
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
NJM2136M (SERVO DIGITAL ASSY : IC101)
• Operational Amplifier
•
Block Diagram
7.1 PARTS
7.1.1 IC
•
List of IC
NJM2136M, MC34072D, AK8563, BA7082F, AD1893JST, BA5912AFP-Y, BA5932FP, CXD2585Q,
TK11041M-1, S-806E, PE8001A
1
BAL
8
BAL
2
–INPUT
7
V+
3
+INPUT
6
OUTPUT
4
V–
5
NC
MC34072D (SERVO DIGITAL ASSY : IC102)
• Operational Amplifier
•
Pin Assignment
–
Inputs
Bias
Q1 Q3
Q2
Q8 Q9
R1
C1
R2
Q10 Q11
Q4 Q5 Q6 Q7 Q17
D2
R6 R7
R8
D3
C2
R5
Q18
Q19
Q16
Q14
Q13
R4 R3
D1
Base
Current
Cancellation
Q12
Q15
Current
Limit
+
V
EE
/GND
Output
V
CC
1
Output 1
8
V
CC
2
Input 1
7
Output 2
3
Input 1
6
Input 2
4
V
EE
5
Input 2
•
Block Diagram