Sony ST-88 - Disassembly and Replacement: Minor Components; Dial Lamp and Input Meter Replacement; Switch Replacement Procedures

dial cord
317 mm (1242) hot
0.3 mm ( Yea) dia.
Fig. 2-7. Dial cord
2
the dial cord.
Fig. 2-8. Finish point of dial cord
dial cord
dial scale ass‘y
!
|
yvatt
two turns
Fig. 2-10. Dial cord restringing (Front View)
2-7. DIAL LAMP REPLACEMENT
1.
Remove the wooden case and front panel as
described in Procedures 2-1 and 2-2.
. Slide the lamp socket forward to permit removal
of lamp as shown in Fig. 2-11.
. Unscrew the lamp from the socket and install a
new one and push the socket back to its original
place.
Fig. 2-11. Dial lamp removal
2-8. TUNER INPUT METER REPLACEMENT
1. Remove the wooden case and front panel as
described in Procedures 2-1 and 2-2.
. Unsolder the two lead wires and remove the two
screws as shown in Fig. 2-12.
. Install a new one.
2-9. BAND, MODE, AFC AND POWER
- WwW
SWITCH REPLACEMENT
. Remove the wooden case and front panel as
described in Procedures 2-1 and 2-2.
. Remove the two screws securing each switch to the
chassis as shown in Fig. 2-13.
. Unsolder the switch lead wires.
Install a new one.
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