WhitakerAudio 60 W Stereo Power Amplifier, User And Assembly Manual

Page: 22 / 154

22
WhitakerAudio
ACN-4 AC neutral Black from T52
ACN-5 AC neutral To PL51 White
ACN-6 AC neutral To external pilot lamp back panel
power connector White
ACH-1 AC hot conductor Hot from filter SW51 Black
ACH-2 AC hot conductor RYL51 contact 1 Black
ACH-3 AC hot conductor RYL51 contact 2 Black
ACH-4 AC hot conductor Black from 300BX For 120 V ac input
ACH-5 AC hot conductor Blue from 300BX For 120 V ac input
ACH-6 AC hot conductor Black from T52
ACH-7 AC hot conductor To PL51 White
ACH-8 AC hot conductor To external pilot lamp back panel
power connector
NC Not connected Black/red from 300BX
NC Not connected White/black from 300BX
NC Not connected Blue/Yellow from 300BX
NC Not connected Brown/Yellow from 300BX
NC Not connected Red/white (Filament 4) from 300BX
NC Not connected White/red (Filament 4) center tap
from 300BX
NC Not connected Red/white (Filament 4) from 300BX
T52-6Vct 6.3 V center tap Green/yellow from T52
T52-6Va 6.3 V ac Green from T52
T52-6Vb 6.3 V ac Green from T52
EXT-FILa External filament To back panel power connector
through fuse F52 Green
EXT-FILb External filament To back panel power connector Green
5VHa 5 V heater, 1.2 A Black/yellow from 300BX
5VHct 5 V heater, 1.2 A, center tap Orange from 300BX
5VHb 5 V heater, 1.2 A Black/yellow from 300BX
RYL51a Relay RYL51 winding White
RYL51b Relay RYL51 winding White
50V 50 V ac bias tap Violet from 300BX
R61a R61 potentiometer, high White
R61arm R61 potentiometer, arm White
R61b R61 potentiometer, low White
T51-6Va T51 6.3 V filament Green from 300BX
T51-6Vct T51 6.3 V filament center tap Green\yellow from 300BX
T51-6Vb T51 6.3 V filament Green from 300BX
Table 3.2 Power Supply PWB Connection Wiring Codes