Operating instructions

8.8 PB-45T Capstan Power TR P.C.B. Assembly
No. Description Part No. Notes
P.C.B. PB9A449
Connector CN403052 Male 3P
Connector CN403061 Female 3P
Socket Contact CN7B-053
Connector CN403082 Socket 3P
Connector CN403031 Pin Housing 3P
Pin Contact CN7B-041
Connector CN404076 Pin 4P
Connector CN404033 Socket Housing 4P
Socket Contact CN7B-042
Connector CN405045 Male 5P
Connector CN405063 Female 5P
Socket Contact CN7B-053
Diode PNG3J
R2, R10 Resistor R8BJ100M 1 W 10 Ω
R3, R11 Resistor R8BJ103M 1 W 10 kΩ
R17 Resistor R8CJ100M 2 W 10 Ω
R4, R12 Resistor R8CJ102M 2 W 1 kΩ
R7,R8,R15,R16, Resistor R4EJR47K 10 W 0.47 Ω
Although the following parts are not installed on the P.C.B. Ass'y, they are on the same
heatsink; therefore, they are described here.
Q3~Q5 Transistor QD552BN
Q8~Q10 Transistor QB552BN
D9 Diode PN6FD13
D10 Diode PN6FC13
MTR-90III Operation and Maintenance Manual
April 1991
Section 8 Printed Circuit Board Layouts and Parts Lists
8 - 13