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Technics SX-PR53 Service Manual page 13

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6.8. Removing the printed circuit boards
- Remove the keyboard cover (see step
cover
").
- Pull out the connectors on the printed circuit boards.
MAIN P.C.B.
1. Remove the MAIN P.C.B. mounting screws (A x 1 pc, B x 2 pcs.).
2. Remove the ground wire holding screws (C x 1 pc.).
3. Release the claws of the 2 P.C.B. holders.
AS P.C.B.
1. Remove the AS P.C.B. mounting screws (D x 2 pcs.).
2. Release the claws of the 5 P.C.B. holders.
JACK P.C.B.
1. Remove the MAIN P.C.B.
2. Remove the JACK P.C.B. mounting screws (E x 3 pcs.).
3. Remove the ground wire holding screws (F x 3 pcs.).
JACK2 (HP) P.C.B.
1. Remove the keyboard assembly (see step
keyboard assembly
2. Remove the ground wire holding screws (G x 1 pc.).
3. Remove the HP P.C.B. mounting screws (H x 2 pcs.)
4. Remove the headphone jack mounting nuts (I x 2 pcs.).
ACP P.C.B.
1. Release the claws of the AC IN connector bracket.
6.9. Removing the Disk Drive unit
1. Remove the keyboard cover (see step
cover
").
2. Pull out the connector from the Disk Drive unit.
").
"Removing the keyboard
"Removing the
"Removing the keyboard

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