Sony HCD-DX80 Service Manual ▷ View online
26
26
HCD-DX80
6-6.
SCHEMATIC DIAGRAM – MAIN Board (1/4) –
• See page 31 for Wavefoms.
• See page 44 for IC Block Diagram.
(Page 27)
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• no mark : FM
(
) : AM
27
27
HCD-DX80
6-7.
SCHEMATIC DIAGRAM – MAIN Board (2/4) –
(Page 24)
(Page 40)
(Page 28)
(Page 26)
(Page 29)
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : FM
(
no mark : FM
(
) : TAPE
[
] : CD
28
28
HCD-DX80
6-8.
SCHEMATIC DIAGRAM – MAIN (3/4)/HEAD Board –
• See page 31 for Waveform.
• See page 44 for IC Block Diagrams.
• See page 39 for Printed Wiring Board of Head Boards.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : TAPE
[
] : CD
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
(Page 27)
(Page 29)
29
29
HCD-DX80
6-9.
SCHEMATIC DIAGRAM – MAIN Board (4/4) –
• See page 31 for Waveforms.
• See page 47 for IC Pin Function Description.
(Page
28)
(Page
27)
(Page 38)
(Page 34)
(Page 32)
(Page 32)
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : TAPE
[
] : CD
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