Sony HCD-vx550 Service Manual page 9

7-16. SCHEMATIC DIAGRAM MAIN (2/4) BOARD
(Page 36)
(Page 38)
16
The components identified by
mark ! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
• Refer to page 35 for Printed Wiring Board.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : TUNER (FM/AM)
(Page 39)
37 37
HCD-VX550
D3001 D3002
11ES2 11ES2
(Page 43)