SONY DNE-50
Instrukcja Serwisowa

1-3-2. Search Dial Block Replacement
1. Remove the four screws (PWH3 x 8). 2. Remove the two hooks, then remove the search dial bracket.
Screws (PWH 3 x 8) Screws (PWH 3 x 8)

1-3-3. Fuse Replacement
The PSW-38 board and SCS-21 board mount the fuse. The fuse blows when an overcurrent flows in equipment under abnormal conditions. n Use the fuse described below in replacement. Remove a foreign substance in the unit that causes a short-circuit before replacing the fuse. Be sure to turn off the power switch before replacing the fuse.

Search dial bracket

Part No. Hook 1-576-231-41 1-576-212-21

Name H.B.C fuse 4 A 250 V (PSW-38 board) Chip fuse 1.25 A 125 V (SCS-21 board)

Housing (upper) assembly

(PSW-38 board) 1. Remove the housing (upper) assembly referring to 1-31, �Cabinet Removal�. 2. Remove the fuse (s) from the fuse holder (s) and replace it (them) with the new fuse (s).
Fuses

3. Remove the rubber knob. Remove the screw (K2.6 x 6), then remove the search dial knob. 4. Remove the blind plate. 5. Remove the three screws (BVTP3 x 8), then remove the search dial block. 6. Install a new search dial block in the reverse procedures of removal.

PSW-38 board

Rubber knob

Housing (upper) assembly

Search dial knob

Screw (K 2.6 x 6)

Blind plate

Screws (BVTP 3 x 8)

Search dial bracket KY-340 board

1-4 (E)

DNE-50