r
CHANGE OF MAIN AND DISPLAY BORADS
The main board and display board has been changed.
Main, display section printed wiring boards of new type, and changed parts list are described in this supplement-2.
For other information, please refer to the previously issued WM-FX453/FX455 service manual (9-923-169-11) and supplement-1 (9-923-
169-81).
NEW TYPE IDENTIFICATION
– MAIN BOARD (Component side) –
– DISPLAY BOARD (Component side) –
1-663-491-
14
1-663-492-
14
Ref. No.
Part No.
Description
Remark
JR5
1-216-864-11 METAL CHIP
0
5%
1/16W
CHANGED ELECTRICAL PARTS LIST
(Service Manual see page 23)
MAIN
SCHEMATIC DIAGRAM
(Service Manual see page 15 to 16)
(Location : 8 – 12, J – L)
!
: Added portion
Содержание Walkman WM-FX473
Страница 3: ......
Страница 4: ......
Страница 5: ......
Страница 6: ......
Страница 7: ......
Страница 8: ......
Страница 9: ......
Страница 10: ......
Страница 11: ......
Страница 12: ......
Страница 14: ......
Страница 15: ......
Страница 16: ......
Страница 21: ......
Страница 22: ......
Страница 23: ......
Страница 28: ... 11 r WAVEFORM 1 IC701 1 83Vp p VOLT DIV 0 5V AC TIME DIV 5µsec 75kHz ...
Страница 37: ......
Страница 38: ......
Страница 39: ......
Страница 40: ......