Pc84 Voice Board Swingout Or Removal - Sequential prophet 5 Technical Manual

1-3 PCB 4 VOICE BOARD SWINGOUT OR REMOVAL
Although most trimmers are accessible when the Prophet is opened, PCB 4 may be swung out to
access PCB 3 trimmers which are otherwise concealed. For this setup, switch power off. remove
five screws identified (•) in Figure 7-7, and position PCB 4 as shown in Figure 7-2. Do not strain the
audio output cable which connects to the back panel. Power may be switched back on in this con¬
figuration.
To remove PCB 4 completely, switch power off and disconnect voice power cable at PCB 3 (Figure
7-7). Also remove W703. with a gentle "see-saw" motion at P303. Then detach audio output cable
at quick-disconnects J709/P402 on back panel 1701 AUDIO OUT (Figure 7-0). When reconnecting
voice power cable, be sure tabs interlock.
PCB I
RIGHT
CONTROL
PANEL
PCB 3
TRIMMERS
AUDIO
OUTPUT
CABLE
Figure 1-2
PCB 4 Swingout
1-4