XAV-742 - Sony Car Audio Service Manual (repair manual). Page 17

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XAV-742
17
3-9.  KEY7  BOARD, COVER (BUTTON)
3-10. COVER
– Panel (front7) block rear side view –
1 six screws
(Z B1.4 
u 4)
2 Remove the cover (button) block
 
in the direction of an arrow.
4 claw
3
5 boss
5 boss
6 KEY7 board
7 button (VOL)
0 to 0.5 mm
0 cover (button)
8 button (EJECT7)
9 filter (IR7)
Note: Do not affix the sheet (KEY7) on blue area.
sheet (KEY7)
sheet (KEY7)
flexible flat cable (20 core) 
(FFC3)
narrow side
width side
‡ Sheet (KEY7) pasted position
1 screw
 (PTT2.6 
u 6)
2 two bosses
2 two bosses
3 three claws
4 cover
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