Kenwood TK-80 Service Manual page 10

3. Installing the optional TCXO
(SO-2 or accessory of KPE-1)
1. Remove the screws (
remove the shield plate.
2. Remove the screws (
board.
3. Remove the CN19 (black) (
nectors.
4. Prior to installing the optional TCXO (SO-2 or accessory of
KPE-1), cut the lead wires on R682 and R683.
5. Install the optional TCXO (SO-2 or accessory of KPE-1) and
apply solder to the soldered side.
6. Take care not to pinch the lead when reattaching the case.
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INSTALLATION
➊ ) securing the shield plate, then
➋ ) holding the X57-466 circuit
➌
) and CN1 (red) (
manuals search engine
➍
) con-
4. Installing the IF filter (YK-107C: Option)
1. Install the YK-107C and apply solder to the soldered side.
5. Installing the IF filter (KIF-1: Option)
1. Install the optional KIF-1 and apply solder to the soldered
side.
2. After installing the IF filter, set the unit to dealer mode.
TK-80
9