gearJunkie
Shredder
- Messages
- 1,541
Part 2 of 5
1/18/22:
- Ran shielded cables from channel 1, Gain control (input & wiper) for later connection of both to turret board.
- Ran Shielded cables for Channel 1 Master Volume control (input & wiper) for later connection of both to turret board.
- Connected PTFE wires to 12v relay board #1 for later connection to destination.
- Mounted 7812, 12v voltage regulator on DC terminal strip.
- Ran power supply wire (W1) from 12vdc terminal strip to Relay Board #1 input.
- Connected Red Jumper wire from 12v relay board #1 to 12v relay board #2.
- Connected remaining shielded cables to 12v relay board #2.
- Connected remaining shielded cables to 12v relay board #1.
- Ran W3 wire from Relay Board #1 to 5 pin footswitch jack.
- Ran W2 wire from Relay Board #2 to ‘Channel’ mini-switch, then from ‘Channel’ mini-switch to 5 pin footswitch jack.
- Installed & secured completed, wired 12v Relay boards 1 & 2 in chassis.
- Connected Yellow 5vac supply wires from PT to voltage doubler board.
- Connected short Red & Orange PTFE wires onto voltage doubler board for later connection.
- Connected Black Ground PTFE wire onto voltage doubler board for later connection.
- Connected long Red W5 & Orange W6 PTFE wires to Voltage doubler board for later connection.
- Installed voltage doubler board on chassis wall nearest PT.
- Connected Black ground PTFE wire from voltage doubler board to star ground.
- Connected short Red & Orange PTFE wires from voltage doubler board to 12v DC terminal strip.
- Connected long Red W5 & Orange W6 PTFE wires from voltage doubler board to 5 pin footswitch jack.
- Install screen resistors 5w, 1K resistors at V4 & V5.
1/19/22:
- Filed turrets & cleaned Turret Board 1.
- Wired buss wire & PTFE jumpers on turret board 1 (TB1).
- Measured & soldered PTFE flying leads on underside of TB1.
- Filed turrets & cleaned Turret Board 2.
- Wired buss wire & PTFE jumpers on turret board 2 (TB2).
1/20/22:
- Measured & soldered PTFE flying leads on underside of TB2.
- Positioned wires from chassis for connection on TB2.
- Installed TB2 into chassis.
- Connected Preamp Tube wiring.
- Connected HT1 from HT Fuse to TB2 with OT CT & 2nd Choke connection to end of TB2.
- Connected ‘Z’ to TB2.-Connected S5 wire from half power switch to TB2 (with 1st choke connection).
- Positioned wires from chassis for connection to TB1.
- Installed TB1 into Chassis.
- Connected wiring between TB1 & TB2.
- Connected S3 from standby switch to parallel pair diodes on TB1.
- Connected ‘X’ to bias supply circuit on TB1.
- Connected F1 & F2 to 4 x diodes square on TB1.
- Connected F3 & F4 to end of TB1.
- Connected HV supply to middle of parallel diode pair on TB1.
1/21/22:
- Terminated remaining grounds from TB2 to pot buss.
- Terminated pot side PTFE wires at appropriate pot/switch.
1/22/22:
- Placed components in all turrets that will receive shielded cable.
- Soldered remaining shielded cables with appropriate component to TB2.
- Re-checked values of all electrical components.
- Populated & soldered components onto turret board.
- Cathode & Coupling Caps: Vishay MKT1813
- Tone Stacks: Sozo Yellow
- PI: TAD Mustard
1/23/22:
- Reviewed layout & checked continuity of all connections.
- Tie wrapped wires as appropriate
- Ran twisted pair from PI Grid leaks to 10K resistors on pin 5 of V4 & V5.