Operating instructions

8.7 PB-45SB Reel Power TR P.C.B. Assembly
No. Description Part No. Notes
P.C.B. PB9A448
Connector CN403052 Male 3P
Connector CN403061 Female 3P
Socket Contact CN7B-053
Connector CN404044 Male 4P
Connector CN404062 Female 4P
Socket Contact CN7B-053
Connector CN402081 Socket 2P
Connector CN402029 Pin Housing 2P
Pin Contact CN7B-041
Connector CN404076 Pin 2P
Connector CN404033 Socket Housing 2P
Socket Contact CN7B-042
D5~D12 Diode PNG3J
R2, R12 Resistor R8BJ100M 1 W 10 Ω
R3, R13 Resistor R8BJ103M 1 W 10 kΩ
R21 Resistor R8CJ100M 2 W 10 Ω
R4, R14 Resistor R8CJ102M 2 W 1 kΩ
R7, R8, R9, R10,
R17, R18, R19, Resistor R4EJR47K 10 W 0.47 Ω
R20, R211
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.
D13 Diode PN6FD13
D14 Diode PN6FC13
Q3~Q7 Transistor QD552BN
Q10~Q14 Transistor QB552BN
Section 8 Printed Circuit Board Layouts and Parts Lists
8 - 10
October 1990
MTR-90III Operation and Maintenance Manual