DYNACO PAT-4 Assembly Manual page 15

Phono upgrade
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Disconnect the following wires from the PC-16's by de-soldering them.
Front PC-16, Eyelet 1
Front PC-16, Eyelet 5
Twist the above two wires together, solder, and tape the connection.
Rear PC-16, Eyelet 1
Rear PC-16, Eyelet 5
Twist the above two wires together, solder, and tape the connection.
Refer to Figure 8 as you perform these steps:
Desolder (or clip) the wire that connects to back-panel terminal 1 (this
is the left channel phono input jack). Untwist this wire from the others,
and route it and connect it to eyelet 5 of the REAR PC-16. (On some
PAT-4's, it may be so short that you'll have to replace this wire with a
longer wire.)
Desolder (or clip) the wire that connects to back-panel terminal 12 (this
is the right channel phono input jack). Untwist this wire from the
others, and route it and connect it to eyelet 5 of the FRONT PC-16.
Reconnect the phono jacks with Shielded Cable Directly to the PC-16's
Prepare an 11" long piece of shielded cable. See Appendix 3. Connect
one end to the RIGHT channel PHONO LO input jack as follows:
a. Ground wire to ground terminal of phono low connector
b. Center conductor to signal terminal of phono low
connector
Connect the other end of that piece of shielded cable:
c. Ground wire to eyelet 2 of the FRONT PC-16
d. Center conductor to eyelet 1 of the FRONT PC-16
Prepare a 5" long piece of shielded cable. Connect one end to the LEFT
channel PHONO LO input jack as follows:
e. Ground wire to ground terminal of phono low connector
f. Center conductor to signal terminal of phono low
connector
Connect the other end of that piece of shielded cable:
g. Ground wire to eyelet 2 of the REAR PC-16
h. Center conductor to eyelet 1 of the REAR PC-16
Page 15 of 23
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