Operating instructions

8.14 PB-4HQB Reel Control P.C.B. Assembly
No. Description Part No. Notes
Reel Control PCB PB9B266- Bare Board
D1,D2,D4~D8
D10~D12,D14~D20 Diode, 1S1585LB5 PN-0199-
D3, D13 Diode, ERA15-02 PN-0285-
D9,D21~D26,D31 indicator, LN2G PNLN2G--
D27, D29 indicator, LN36BP PNLN36BP
D28, D30 indicator, LN46YP PNLN46YP
VR9~VR12 Potentiometer, 1 k RV413170
VR4, VR8 Potentiometer, 50 k RV454174
VR2,VR3,VR6,VR7 Potentiometer, 100 k RV415175
VR1, VR5 Potentiometer, 5 k RV453163
RL1 Relay RY2YA053
R81, R89, R100
R107 Resistor, 300 Ω, 1/2 W R8AJ301M
R77, R96 Resistor, 7.5 k, 1 W R8BJ752M
R84, R103 Resistor, 10 Ω R8CJ100M
R82, R83, R87
R101, R102, R106 Resistor, 510 Ω, 2 W R8CJ511M
R125, R126 Resistor, 1 k, 2 W R8CJ102M
Panel, Reel Control PB4HQ01-
TP1 Preamp. Output T.UP
TP2 Offset T.UP
TP3 Input T.UP
TP4 Input SUP
TP5 Offset SUP
TP6 Preamp. Output SUP
TP7 Output T.UP
TP8 Output SUP
MTR-90III Operation and Maintenance Manual
October 1990
Section 8 Printed Circuit Board Layouts and Parts Lists
8 - 25