Sony MHC-DX8 (serv.man2) Service Manual ▷ View online
HCD-DX8
29
29
7-8. SCHEMATIC DIAGRAM – MAIN (3/3) SECTION –
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD STOP
(
no mark : CD STOP
(
) : REC
<
> : TAPE PB
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
(Page 25)
(Page 37)
(Page 28)
(Page 28)
(Page 28)
(Page 33)
(Page 27)
(Page 31)
(Page 31)
HCD-DX8
30
30
7-9. PRINTED WIRING BOARD – POWER AMP SECTION –
• See page 21 for Circuit Boards Location.
Ref. No.
Location
D501
B-5
D502
A-4
D503
E-4
D504
F-5
D541
C-1
D543
E-2
D551
B-5
D581
E-4
D941
A-1
D979
A-1
IC501
D-6
Q501
B-4
Q503
F-1
Q504
F-1
Q505
F-4
Q506
F-5
Q551
B-5
Q581
E-4
Q941
B-1
Q942
A-1
• Semiconductor
Location
(Page 38)
(Page 38)
(Page 26)
(Page 26)
HCD-DX8
31
31
7-10. SCHEMATIC DIAGRAM – POWER AMP SECTION –
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD STOP
no mark : CD STOP
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
(Page 29)
(Page 29)
(Page 39)
(Page 39)
HCD-DX8
32
32
7-11. PRINTED WIRING BOARDS – PANEL SECTION – • See page 21 for Circuit Boards Location.
Ref. No.
Location
D630
A-6
D631
A-4
D632
A-3
Q630
A-6
Q631
A-6
Q632
A-3
Q633
A-7
Q634
A-7
Q635
A-2
• Semiconductor
Location
– CD SWITCH BOARD –
Ref. No.
Location
D601
A-10
D602
B-2
D603
D-3
D604
C-1
D605
F-9
D611
B-9
D612
E-8
D613
E-9
D614
G-8
D615
D-6
D617
G-5
D618
C-2
IC601
C-6
IC602
F-4
IC603
A-9
IC721
D-9
IC722
G-9
Q604
C-10
Q605
A-3
Q606
C-8
Q607
C-8
Q608
C-8
Q609
C-8
Q610
B-8
Q611
B-9
Q612
B-9
Q613
C-7
Q614
C-7
Q615
C-3
Q621
A-9
Q622
E-9
Q623
F-8
Q624
E-6
Q625
G-5
Q626
C-2
Q721
G-8
• Semiconductor
Location
– PANEL BOARD –
(Page 26)
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